[afnog] Weekly Routing Table Report

Routing Table Analysis cscora at apnic.net
Fri Mar 24 21:06:44 EAT 2006


This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.
Daily listings are sent to bgp-stats at lists.apnic.net

If you have any comments please contact Philip Smith <pfs at cisco.com>.

Routing Table Report   04:00 +10GMT Sat 25 Mar, 2006

Analysis Summary
----------------

BGP routing table entries examined:                              184853
    Prefixes after maximum aggregation:                          102482
    Unique aggregates announced to Internet:                      90111
Total ASes present in the Internet Routing Table:                 21801
Origin-only ASes present in the Internet Routing Table:           18937
Origin ASes announcing only one prefix:                            9011
Transit ASes present in the Internet Routing Table:                2864
Transit-only ASes present in the Internet Routing Table:             66
Average AS path length visible in the Internet Routing Table:       4.5
    Max AS path length visible:                                      24
Prefixes from unregistered ASNs in the Routing Table:                77
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:             12
Number of addresses announced to Internet:                   1514960352
    Equivalent to 90 /8s, 76 /16s and 117 /24s
    Percentage of available address space announced:               40.9
    Percentage of allocated address space announced:               60.3
    Percentage of available address space allocated:               67.8
Total number of prefixes smaller than registry allocations:       90504

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes:                    38912
    Total APNIC prefixes after maximum aggregation:               16319
Prefixes being announced from the APNIC address blocks:           36704
    Unique aggregates announced from the APNIC address blocks:    18003
APNIC Region origin ASes present in the Internet Routing Table:    2520
APNIC Region origin ASes announcing only one prefix:                710
APNIC Region transit ASes present in the Internet Routing Table:    393
Average APNIC Region AS path length visible:                        4.5
    Max APNIC Region AS path length visible:                         18
Number of APNIC addresses announced to Internet:              218973152
    Equivalent to 13 /8s, 13 /16s and 67 /24s
    Percentage of available APNIC address space announced:         68.5

APNIC AS Blocks        4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations)  23552-24575, 37888-38911
APNIC Address Blocks   58/7, 60/7, 121/8, 122/7, 124/7, 126/8, 202/7
                       210/7, 218/7, 220/7 and 222/8

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes:                     96644
    Total ARIN prefixes after maximum aggregation:                57155
Prefixes being announced from the ARIN address blocks:            75819
    Unique aggregates announced from the ARIN address blocks:     28948
ARIN Region origin ASes present in the Internet Routing Table:    10597
ARIN Region origin ASes announcing only one prefix:                3960
ARIN Region transit ASes present in the Internet Routing Table:     978
Average ARIN Region AS path length visible:                         4.3
    Max ARIN Region AS path length visible:                          19
Number of ARIN addresses announced to Internet:               293216256
    Equivalent to 17 /8s, 122 /16s and 32 /24s
    Percentage of available ARIN address space announced:          72.8

ARIN AS Blocks         1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations)  2138-2584, 2615-2772, 2823-2829, 2880-3153
                       3354-4607, 4865-5119, 5632-6655, 6912-7466
                       7723-8191, 10240-12287, 13312-15359, 16384-17407
                       18432-20479, 21504-23551, 25600-26591,
                       26624-27647, 29696-30719, 31744-33791
                       35840-36863
ARIN Address Blocks    24/8, 63/8, 64/6, 68/7, 70/6, 74/7, 76/8,
                       198/7, 204/6, 208/7 and 216/8

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes:                     36718
    Total RIPE prefixes after maximum aggregation:                24548
Prefixes being announced from the RIPE address blocks:            33746
    Unique aggregates announced from the RIPE address blocks:     22731
RIPE Region origin ASes present in the Internet Routing Table:     7794
RIPE Region origin ASes announcing only one prefix:                4078
RIPE Region transit ASes present in the Internet Routing Table:    1305
Average RIPE Region AS path length visible:                         5.0
    Max RIPE Region AS path length visible:                          19
Number of RIPE addresses announced to Internet:               242645376
    Equivalent to 14 /8s, 118 /16s and 121 /24s
    Percentage of available RIPE address space announced:          72.3

RIPE AS Blocks         1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations)  2773-2822, 2830-2879, 3154-3353, 5377-5631
                       6656-6911, 8192-9215, 12288-13311, 15360-16383
                       20480-21503, 24576-25599, 28672-29695
                       30720-31743, 33792-35839, 38912-39935
RIPE Address Blocks    62/8, 80/5, 88/6, 188/8, 193/8, 194/7, 212/7
                       and 217/8

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes:                   10469
    Total LACNIC prefixes after maximum aggregation:               3573
Prefixes being announced from the LACNIC address blocks:           8645
    Unique aggregates announced from the LACNIC address blocks:    5148
LACNIC Region origin ASes present in the Internet Routing Table:    678
LACNIC Region origin ASes announcing only one prefix:               219
LACNIC Region transit ASes present in the Internet Routing Table:   124
Average LACNIC Region AS path length visible:                       5.2
    Max LACNIC Region AS path length visible:                        24
Number of LACNIC addresses announced to Internet:              26025216
    Equivalent to 1 /8s, 141 /16s and 29 /24s
    Percentage of available LACNIC address space announced:        38.8

LACNIC AS Blocks       26592-26623, 27648-28671, plus ERX transfers
LACNIC Address Blocks  189/8, 190/8, 200/7

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes:                   2027
    Total AfriNIC prefixes after maximum aggregation:               887
Prefixes being announced from the AfriNIC address blocks:          1368
    Unique aggregates announced from the AfriNIC address blocks:    903
AfriNIC Region origin ASes present in the Internet Routing Table:   148
AfriNIC Region origin ASes announcing only one prefix:               44
AfriNIC Region transit ASes present in the Internet Routing Table:   23
Average AfriNIC Region AS path length visible:                      4.4
    Max AfriNIC Region AS path length visible:                       14
Number of AfriNIC addresses announced to Internet:              3945216
    Equivalent to 0 /8s, 60 /16s and 51 /24s
    Percentage of available AfriNIC address space announced:       11.8

AfriNIC AS Blocks      36864-37887 & ERX transfers
AfriNIC Address Blocks 41/8, 196/8

APNIC Region per AS prefix count summary
----------------------------------------

  ASN   No of nets  /20 equiv  MaxAgg  Description
 4134      996       6945         211   CHINANET-BACKBONE
 4755      888        258          68   Videsh Sanchar Nigam Ltd. Aut
 9583      875        109          16   Sify Limited
 4766      676       3923         301   Korea Telecom (KIX)
 1221      620       1428         476   Telstra Pty Ltd
 9498      558        212          72   BHARTI BT INTERNET LTD.
 7545      525        108          71   TPG Internet Pty Ltd
17488      502         31           7   Hathway IP Over Cable Interne
17676      484       6997         107   Softbank BB Corp.
 9443      414         95          82   Primus Telecommunications
 4802      373         75         169   Wantree Development
 2907      336       1749         312   SINET Japan
17974      334         89          32   PT TELEKOMUNIKASI INDONESIA
18101      322         68          23   Reliance Infocom Ltd Internet
17557      319         25         163   Pakistan Telecom
 9929      318        218          53   China Netcom Corp.
17849      317         20         105   Telecommunications Technology
 7474      305        211         232   SingTel Optus Pty Ltd
 4780      280        226          16   Digital United Inc.
 9837      270         77         166   Powertel Ltd

ARIN Region per AS prefix count summary
---------------------------------------

  ASN   No of nets  /20 equiv  MaxAgg  Description
 7018     1504       6262         965   AT&T WorldNet Services
 4323     1240        714         245   Time Warner Telecom
  721     1011      21962         307   DLA Systems Automation Center
 6197     1005        620         469   BellSouth Network Solutions, 
  174      961       5784         908   Cogent Communications
  701      945       8048         781   UUNET Technologies, Inc. 
18566      923        272           8   Covad Communications 
 2386      875        521         665   AT&T Data Communications Serv
 1239      853       2805         601   Sprint 
19029      783        152         112   New Edge Networks 
  209      698       3607         541   Qwest 
20115      674        591         363   Charter Communications 
19262      665       1964         156   Verizon Global Networks 
22773      641       1480          40   Cox Communications, Inc.
11492      624         86          20   Cable One 
 7011      611        212         398   Citizens Utilities 
 6198      583        506         239   BellSouth Network Solutions, 
  852      577       1088         383   Telus Advanced Communications
19916      563         49          54   OLM LLC 
  855      546        244          64   Canadian Research Network 

RIPE Region per AS prefix count summary
---------------------------------------

  ASN   No of nets  /20 equiv  MaxAgg  Description
  702      586       1951         461   UUNET - Commercial IP service
 3301      307       1071         292   TeliaNet Sweden
 3352      307       1564          31   Ibernet, Internet Access Netw
 8220      289        473         268   COLT Telecommunications
 3320      279       3477         231   Deutsche Telekom AG
  680      243       2025         240   DFN-IP service G-WiN
 3246      231        488         221   Song Networks
 6746      228         89         200   Dynamic Network Technologies,
 8708      216        276         201   Romania Data Systems S.A.
 8551      202        197          23   Bezeq International
24863      200         40           9   LINKdotNET AS number
 1257      197        710         172   SWIPnet Swedish IP Network
 3269      194       2085          75   TELECOM ITALIA
 3215      186       1542          88   France Telecom Transpac
 9121      175        931          27   TTnet Autonomous System
  786      172       1778         172   The JANET IP Service
 8866      170         37          14   Bulgarian Telecommunication C
 5400      167        328         136   BT Ignite European Backbone
 6830      166        765          35   UPC Distribution Services
 5515      161        839         120   Sonera Solution Autonomous Sy

LACNIC Region per AS prefix count summary
-----------------------------------------

  ASN   No of nets  /20 equiv  MaxAgg  Description
 8151      597       1050         226   UniNet S.A. de C.V. 
22047      384        142          10   VTR PUNTO NET S.A. 
11172      319        109          82   Servicios Alestra S.A de C.V 
16814      279         18           7   NSS, S.A. 
14117      185         12           6   Telefonica del Sur S.A. 
 7303      157         75          23   Telecom Argentina Stet-France
 6147      154        126          22   Telefonica Del Peru 
11556      132         80           4   Cable-Wireless Panama 
 5639      127         12           9   Telecommunications Services o
19169      124          8          30   Telconet 
 6503      121        149          75   AVANTEL, S.A. 
10481      121         48           8   Prima S.A. 
21826      120         16          19   INTERCABLE 
 6505      106         88          78   Global One Communicaoes Ltda 
23216      100         20           7   RAMtelecom Telecomunicaciones
18822       99          8          10   TELEFONICA MANQUEHUE 
25620       97          6           3   COTAS LTDA 
 7315       96          6           3   Grupo Rey Moreno 
19429       95         52          42   E.T.B. 
14522       94         13           5   SatNet S.A. 

AfriNIC Region per AS prefix count summary
------------------------------------------

  ASN   No of nets  /20 equiv  MaxAgg  Description
 3741      276        803         232   The Internet Solution 
 8452      165         60           7   TEDATA
 6713      145        135          11   Itissalat Al-MAGHRIB
 2018      124        314         105   Tertiary Education Network 
15475      123         84           4   Nile Online
 5536      121          8          18   Internet Egypt Network
24835       83         50           7   RAYA Telecom - Egypt
 2905       74        155          67   The Internetworking Company o
20928       57         16           2   Noor Advanced Technologies AS
 5713       39        294          35   Telkom SA Ltd 
12455       38          6           3   Jambonet Autonomous system
15706       31          8           3   Sudatel Internet Exchange Aut
33774       30          7          21   AS Number for Telecom Algeria
23889       26          8          11   MAURITIUS TELECOM
 8524       24          1           4   AUCEGYPT Autonomous System
16637       23         10          21   Johnnic e-Ventures 
10798       22          1          13   Standard Bank of South Africa
 8346       20         13          17   SONATEL-AS Autonomous System
21280       20          5           5   Swift Global Kenya Ltd.Is an 
 2561       19          6           2   Egyptian Universities Network

Global Per AS Maximum Aggr summary
----------------------------------

  ASN   No of nets  Net Savings Description
 4323      1240         995      Time Warner Telecom
18566       923         915      Covad Communications 
 9583       875         859      Sify Limited
 4755       888         820      Videsh Sanchar Nigam Ltd. Aut
 4134       996         785      CHINANET-BACKBONE
  721      1011         704      DLA Systems Automation Center
19029       783         671      New Edge Networks 
11492       624         604      Cable One 
22773       641         601      Cox Communications, Inc.
 6197      1005         536      BellSouth Network Solutions, 
19262       665         509      Verizon Global Networks 
19916       563         509      OLM LLC 
 5668       527         502      CenturyTel Internet Holdings,
17488       502         495      Hathway IP Over Cable Interne
 9498       558         486      BHARTI BT INTERNET LTD.
  855       546         482      Canadian Research Network 
 7545       525         454      TPG Internet Pty Ltd
 7757       473         454      AT&T Broadband 
 3602       537         428      Sprint Canada, Inc. 
  812       438         410      Rogers WAVE 

List of Unregistered ASNs (Global)
----------------------------------

Bad AS  Designation  Network              Transit AS  Description
65211   PRIVATE       61.139.76.0/24        4134       CHINANET-BACKBONE
65211   PRIVATE       61.139.77.0/24        4134       CHINANET-BACKBONE
65211   PRIVATE       61.188.9.0/27         4134       CHINANET-BACKBONE
65211   PRIVATE       61.188.176.0/24       4134       CHINANET-BACKBONE
65211   PRIVATE       61.188.177.0/24       4134       CHINANET-BACKBONE
65211   PRIVATE       61.188.178.0/24       4134       CHINANET-BACKBONE
65211   PRIVATE       61.188.179.0/24       4134       CHINANET-BACKBONE
65211   PRIVATE       125.64.0.0/24         4134       CHINANET-BACKBONE
65211   PRIVATE       125.64.1.0/27         4134       CHINANET-BACKBONE
65211   PRIVATE       125.64.2.0/24         4134       CHINANET-BACKBONE
65211   PRIVATE       125.64.3.0/24         4134       CHINANET-BACKBONE
65211   PRIVATE       125.64.6.0/24         4134       CHINANET-BACKBONE
65211   PRIVATE       125.64.12.0/24        4134       CHINANET-BACKBONE
65211   PRIVATE       125.64.13.0/24        4134       CHINANET-BACKBONE
65211   PRIVATE       125.64.14.0/24        4134       CHINANET-BACKBONE
65211   PRIVATE       125.64.15.0/24        4134       CHINANET-BACKBONE
65211   PRIVATE       125.64.19.0/24        4134       CHINANET-BACKBONE
65211   PRIVATE       125.64.23.128/25      4134       CHINANET-BACKBONE
65211   PRIVATE       125.64.25.0/25        4134       CHINANET-BACKBONE
65211   PRIVATE       125.64.25.128/25      4134       CHINANET-BACKBONE
65211   PRIVATE       125.64.30.0/23        4134       CHINANET-BACKBONE
65211   PRIVATE       125.64.32.0/21        4134       CHINANET-BACKBONE
65211   PRIVATE       125.64.40.0/26        4134       CHINANET-BACKBONE
65005   PRIVATE       159.153.148.0/22     24989       IX Europe Frankfurt 
65211   PRIVATE       202.98.123.0/24       4134       CHINANET-BACKBONE
65505   PRIVATE       206.252.200.192/27    8002       Stealth Communicatio
65211   PRIVATE       218.6.168.0/24        4134       CHINANET-BACKBONE
65211   PRIVATE       218.6.169.0/24        4134       CHINANET-BACKBONE
65211   PRIVATE       218.6.170.0/24        4134       CHINANET-BACKBONE
65211   PRIVATE       218.6.171.0/24        4134       CHINANET-BACKBONE
65211   PRIVATE       218.6.172.0/25        4134       CHINANET-BACKBONE
65211   PRIVATE       218.6.172.128/25      4134       CHINANET-BACKBONE
65211   PRIVATE       218.6.173.0/24        4134       CHINANET-BACKBONE
65211   PRIVATE       218.6.174.0/24        4134       CHINANET-BACKBONE
65211   PRIVATE       218.6.175.0/24        4134       CHINANET-BACKBONE
65211   PRIVATE       218.6.196.0/24        4134       CHINANET-BACKBONE
65211   PRIVATE       218.6.197.0/24        4134       CHINANET-BACKBONE
65211   PRIVATE       218.6.198.0/24        4134       CHINANET-BACKBONE
65211   PRIVATE       218.89.166.0/24       4134       CHINANET-BACKBONE
65211   PRIVATE       218.89.167.0/24       4134       CHINANET-BACKBONE
65211   PRIVATE       218.89.168.0/24       4134       CHINANET-BACKBONE
65211   PRIVATE       218.89.169.0/24       4134       CHINANET-BACKBONE
65211   PRIVATE       218.89.170.0/24       4134       CHINANET-BACKBONE
65211   PRIVATE       218.89.171.0/24       4134       CHINANET-BACKBONE
65211   PRIVATE       218.89.172.0/24       4134       CHINANET-BACKBONE
65211   PRIVATE       221.236.0.0/24        4134       CHINANET-BACKBONE
65211   PRIVATE       221.236.1.0/24        4134       CHINANET-BACKBONE
65211   PRIVATE       221.236.2.0/24        4134       CHINANET-BACKBONE
65211   PRIVATE       221.236.3.0/24        4134       CHINANET-BACKBONE
65211   PRIVATE       221.236.4.0/24        4134       CHINANET-BACKBONE
65211   PRIVATE       221.236.5.0/24        4134       CHINANET-BACKBONE
65211   PRIVATE       221.236.6.0/24        4134       CHINANET-BACKBONE
65211   PRIVATE       221.236.7.0/24        4134       CHINANET-BACKBONE
65211   PRIVATE       221.236.8.0/24        4134       CHINANET-BACKBONE
65211   PRIVATE       221.236.9.0/24        4134       CHINANET-BACKBONE
65211   PRIVATE       221.236.10.0/27       4134       CHINANET-BACKBONE
65211   PRIVATE       221.236.11.0/24       4134       CHINANET-BACKBONE
65211   PRIVATE       221.236.12.0/24       4134       CHINANET-BACKBONE
65211   PRIVATE       221.236.13.0/24       4134       CHINANET-BACKBONE
65211   PRIVATE       221.236.14.0/23       4134       CHINANET-BACKBONE
65211   PRIVATE       221.236.17.0/24       4134       CHINANET-BACKBONE
65211   PRIVATE       221.236.18.0/23       4134       CHINANET-BACKBONE
65211   PRIVATE       221.236.20.0/24       4134       CHINANET-BACKBONE
65211   PRIVATE       221.236.21.0/24       4134       CHINANET-BACKBONE
65211   PRIVATE       221.236.22.0/25       4134       CHINANET-BACKBONE
65211   PRIVATE       221.236.22.128/26     4134       CHINANET-BACKBONE
65211   PRIVATE       221.236.22.192/26     4134       CHINANET-BACKBONE
65211   PRIVATE       221.236.23.0/24       4134       CHINANET-BACKBONE
65211   PRIVATE       221.236.24.0/24       4134       CHINANET-BACKBONE
65211   PRIVATE       221.236.25.0/25       4134       CHINANET-BACKBONE
65211   PRIVATE       221.236.25.128/25     4134       CHINANET-BACKBONE
65211   PRIVATE       221.236.26.0/24       4134       CHINANET-BACKBONE
65211   PRIVATE       221.236.27.0/24       4134       CHINANET-BACKBONE
65211   PRIVATE       221.236.28.0/24       4134       CHINANET-BACKBONE
65211   PRIVATE       221.236.29.0/24       4134       CHINANET-BACKBONE
65211   PRIVATE       222.211.63.0/24       4134       CHINANET-BACKBONE
65211   PRIVATE       222.213.0.0/24        4134       CHINANET-BACKBONE

Advertised Unallocated Addresses
--------------------------------

Network            Origin AS  Description
132.0.0.0/10           721     DLA Systems Automation Center
137.0.0.0/13           721     DLA Systems Automation Center
158.0.0.0/13           721     DLA Systems Automation Center
183.206.196.0/24      2188     FR-RENATER-ASTER
192.44.0.0/24         5501     Fraunhofer Gesellschaft
192.44.0.0/19          702     UUNET - Commercial IP service
192.70.164.0/24      25689     National Research Council of 
192.72.0.0/18         4780     Digital United Inc.
192.72.0.0/16         4780     Digital United Inc.
192.84.205.0/24        719     LANLINK autonomous system
192.119.135.0/24       270     NASA 
192.172.0.0/19         721     DLA Systems Automation Center

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

 /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
 /7:0        /8:18       /9:9       /10:8       /11:27      /12:87      
/13:199     /14:353     /15:695     /16:8773    /17:3144    /18:5153    
/19:11438   /20:12835   /21:11077   /22:14185   /23:15318   /24:100565  
/25:349     /26:248     /27:219     /28:62      /29:24      /30:35      
/31:0       /32:32      

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

  ASN   No of nets  Total ann.   Description
18566      906           923      Covad Communications 
 7018      798          1504      AT&T WorldNet Services
 6197      794          1005      BellSouth Network Solutions, 
19029      710           783      New Edge Networks 
 9583      694           875      Sify Limited
11492      615           624      Cable One 
 4323      599          1240      Time Warner Telecom
 2386      598           875      AT&T Data Communications Serv
19916      557           563      OLM LLC 
 7011      523           611      Citizens Utilities 
 4766      485           676      Korea Telecom (KIX)
 7757      455           473      AT&T Broadband 
 6198      441           583      BellSouth Network Solutions, 
  855      420           546      Canadian Research Network 
 5668      407           527      CenturyTel Internet Holdings,
 1239      380           853      Sprint 
  702      369           586      UUNET - Commercial IP service
15270      362           392      PaeTec.net -a division of Pae
 6517      347           377      Yipes Communications, Inc. 
22773      336           641      Cox Communications, Inc.

Number of /24s announced per /8 block (Global)
----------------------------------------------

   4:3         8:38       12:1619     13:1        15:12       16:3      
  17:3        18:4        20:43       24:871      25:1        30:2      
  32:67       38:204      40:54       44:3        47:6        52:4      
  55:1        56:3        57:33       58:148      59:187      60:176    
  61:828      62:806      63:1917     64:3114     65:2229     66:3066   
  67:611      68:679      69:1441     70:313      71:63       72:649    
  73:23       74:26       80:751      81:612      82:547      83:368    
  84:363      85:492      86:383      87:262      88:48       89:96     
 124:195     125:283     128:160     129:174     130:108     131:318    
 132:33      133:8       134:150     135:47      136:175     137:67     
 138:192     139:74      140:488     141:137     142:393     143:157    
 144:232     145:40      146:324     147:134     148:334     149:188    
 150:114     151:79      152:64      153:107     154:6       155:195    
 156:98      157:120     158:166     159:166     160:87      161:70     
 162:218     163:144     164:179     165:180     166:147     167:235    
 168:476     169:135     170:320     171:12      172:1       183:1      
 190:35      192:5762    193:3394    194:2542    195:1798    196:776    
 198:3875    199:3262    200:4289    201:670     202:6566    203:6868   
 204:3933    205:2092    206:2427    207:2935    208:2036    209:3691   
 210:1927    211:816     212:1242    213:1474    214:337     215:42     
 216:4087    217:1164    218:257     219:180     220:651     221:373    
 222:160    

End of report



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