[afnog] Weekly Routing Table Report

Routing Table Analysis cscora at apnic.net
Fri Mar 17 21:06:56 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 18 Mar, 2006

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

BGP routing table entries examined:                              184375
    Prefixes after maximum aggregation:                          102184
    Unique aggregates announced to Internet:                      89838
Total ASes present in the Internet Routing Table:                 21772
Origin-only ASes present in the Internet Routing Table:           18926
Origin ASes announcing only one prefix:                            8989
Transit ASes present in the Internet Routing Table:                2846
Transit-only ASes present in the Internet Routing Table:             69
Average AS path length visible in the Internet Routing Table:       4.5
    Max AS path length visible:                                      22
Prefixes from unregistered ASNs in the Routing Table:                76
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:             11
Number of addresses announced to Internet:                   1511349856
    Equivalent to 90 /8s, 21 /16s and 94 /24s
    Percentage of available address space announced:               40.8
    Percentage of allocated address space announced:               60.2
    Percentage of available address space allocated:               67.8
Total number of prefixes smaller than registry allocations:       90192

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

Prefixes being announced by APNIC Region ASes:                    38802
    Total APNIC prefixes after maximum aggregation:               16257
Prefixes being announced from the APNIC address blocks:           36601
    Unique aggregates announced from the APNIC address blocks:    17814
APNIC Region origin ASes present in the Internet Routing Table:    2508
APNIC Region origin ASes announcing only one prefix:                704
APNIC Region transit ASes present in the Internet Routing Table:    387
Average APNIC Region AS path length visible:                        4.5
    Max APNIC Region AS path length visible:                         17
Number of APNIC addresses announced to Internet:              217698272
    Equivalent to 12 /8s, 249 /16s and 207 /24s
    Percentage of available APNIC address space announced:         68.1

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:                     96511
    Total ARIN prefixes after maximum aggregation:                57019
Prefixes being announced from the ARIN address blocks:            75675
    Unique aggregates announced from the ARIN address blocks:     28886
ARIN Region origin ASes present in the Internet Routing Table:    10591
ARIN Region origin ASes announcing only one prefix:                3954
ARIN Region transit ASes present in the Internet Routing Table:     972
Average ARIN Region AS path length visible:                         4.3
    Max ARIN Region AS path length visible:                          19
Number of ARIN addresses announced to Internet:               291281408
    Equivalent to 17 /8s, 92 /16s and 154 /24s
    Percentage of available ARIN address space announced:          72.3

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:                     36599
    Total RIPE prefixes after maximum aggregation:                24490
Prefixes being announced from the RIPE address blocks:            33620
    Unique aggregates announced from the RIPE address blocks:     22716
RIPE Region origin ASes present in the Internet Routing Table:     7783
RIPE Region origin ASes announcing only one prefix:                4072
RIPE Region transit ASes present in the Internet Routing Table:    1295
Average RIPE Region AS path length visible:                         5.0
    Max RIPE Region AS path length visible:                          19
Number of RIPE addresses announced to Internet:               242361344
    Equivalent to 14 /8s, 114 /16s and 36 /24s
    Percentage of available RIPE address space announced:          72.2

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:                   10396
    Total LACNIC prefixes after maximum aggregation:               3526
Prefixes being announced from the LACNIC address blocks:           8561
    Unique aggregates announced from the LACNIC address blocks:    5166
LACNIC Region origin ASes present in the Internet Routing Table:    676
LACNIC Region origin ASes announcing only one prefix:               216
LACNIC Region transit ASes present in the Internet Routing Table:   123
Average LACNIC Region AS path length visible:                       5.2
    Max LACNIC Region AS path length visible:                        22
Number of LACNIC addresses announced to Internet:              25883136
    Equivalent to 1 /8s, 138 /16s and 242 /24s
    Percentage of available LACNIC address space announced:        38.6

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:                   1986
    Total AfriNIC prefixes after maximum aggregation:               892
Prefixes being announced from the AfriNIC address blocks:          1362
    Unique aggregates announced from the AfriNIC address blocks:    909
AfriNIC Region origin ASes present in the Internet Routing Table:   147
AfriNIC Region origin ASes announcing only one prefix:               43
AfriNIC Region transit ASes present in the Internet Routing Table:   24
Average AfriNIC Region AS path length visible:                      4.4
    Max AfriNIC Region AS path length visible:                       14
Number of AfriNIC addresses announced to Internet:              3927040
    Equivalent to 0 /8s, 59 /16s and 236 /24s
    Percentage of available AfriNIC address space announced:       11.7

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      990       6937         210   CHINANET-BACKBONE
 4755      877        258          71   Videsh Sanchar Nigam Ltd. Aut
 9583      870        109          16   Sify Limited
 4766      677       3923         302   Korea Telecom (KIX)
 1221      651       1428         470   Telstra Pty Ltd
 9498      559        212          72   BHARTI BT INTERNET LTD.
 7545      519        108          70   TPG Internet Pty Ltd
17488      516         31           7   Hathway IP Over Cable Interne
17676      484       6997         107   Softbank BB Corp.
 9443      414         95          82   Primus Telecommunications
 4802      370         75         165   Wantree Development
 2907      336       1749         312   SINET Japan
17974      334         89          32   PT TELEKOMUNIKASI INDONESIA
 9929      333        218          53   China Netcom Corp.
17557      319         25         162   Pakistan Telecom
18101      319         68          23   Reliance Infocom Ltd Internet
17849      314         20         103   Telecommunications Technology
 7474      304        211         232   SingTel Optus Pty Ltd
 4780      279        226          16   Digital United Inc.
 9837      272         78         168   Powertel Ltd

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
 7018     1498       6264         965   AT&T WorldNet Services
 4323     1232        714         239   Time Warner Telecom
  721     1009      21946         307   DLA Systems Automation Center
 6197     1004        619         468   BellSouth Network Solutions, 
  174      966       5782         913   Cogent Communications
  701      946       8064         782   UUNET Technologies, Inc. 
18566      920        272           8   Covad Communications 
 2386      870        520         662   AT&T Data Communications Serv
 1239      852       2789         601   Sprint 
19029      781        152         112   New Edge Networks 
  209      696       3607         540   Qwest 
20115      671        586         361   Charter Communications 
19262      664       1955         153   Verizon Global Networks 
22773      641       1480          40   Cox Communications, Inc.
11492      636         86          20   Cable One 
 7011      602        209         391   Citizens Utilities 
 6198      579        502         237   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      584       1951         459   UUNET - Commercial IP service
 3352      307       1564          31   Ibernet, Internet Access Netw
 3301      306       1071         291   TeliaNet Sweden
 8220      289        473         268   COLT Telecommunications
 3320      280       3477         232   Deutsche Telekom AG
  680      244       2025         241   DFN-IP service G-WiN
 3246      231        488         221   Song Networks
 6746      225         88         198   Dynamic Network Technologies,
 8708      218        276         203   Romania Data Systems S.A.
 8551      202        197          23   Bezeq International
 1257      197        710         172   SWIPnet Swedish IP Network
24863      196         40           9   LINKdotNET AS number
 3269      194       2085          75   TELECOM ITALIA
 3215      183       1518          86   France Telecom Transpac
  786      173       1794         173   The JANET IP Service
 8866      169         37          13   Bulgarian Telecommunication C
 5400      167        328         136   BT Ignite European Backbone
 6830      166        765          35   UPC Distribution Services
 9121      162        931          27   TTnet Autonomous System
 5515      161        839         120   Sonera Solution Autonomous Sy

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
 8151      596       1050         225   UniNet S.A. de C.V. 
22047      372        142          10   VTR PUNTO NET S.A. 
11172      316        111          80   Servicios Alestra S.A de C.V 
16814      289         18           7   NSS, S.A. 
14117      184         11           6   Telefonica del Sur S.A. 
 7303      159         75          20   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      123          8          33   Telconet 
 6503      122        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 
14522      100         13           5   SatNet S.A. 
23216      100         20           7   RAMtelecom Telecomunicaciones
18822       99          8          10   TELEFONICA MANQUEHUE 
 7315       96          6           3   Grupo Rey Moreno 
25620       96          6           3   COTAS LTDA 
19429       95         52          42   E.T.B. 

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
 3741      277        803         233   The Internet Solution 
 8452      162         60           7   TEDATA
 6713      145        135          11   Itissalat Al-MAGHRIB
 2018      124        314         105   Tertiary Education Network 
15475      123         84           4   Nile Online
 5536      122          8          18   Internet Egypt Network
 2905       74        155          67   The Internetworking Company o
24835       62         50           7   RAYA Telecom - Egypt
20928       58         16           2   Noor Advanced Technologies AS
 5713       39        294          35   Telkom SA Ltd 
15706       31          8           3   Sudatel Internet Exchange Aut
33774       30          7          21   AS Number for Telecom Algeria
23889       26          8          11   MAURITIUS TELECOM
 8524       25          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
 2561       19          6           2   Egyptian Universities Network
21280       19          4           4   Swift Global Kenya Ltd.Is an 
15804       17          2           1   AS of The Way Out Internet So

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

  ASN   No of nets  Net Savings Description
 4323      1232         993      Time Warner Telecom
18566       920         912      Covad Communications 
 9583       870         854      Sify Limited
 4755       877         806      Videsh Sanchar Nigam Ltd. Aut
 4134       990         780      CHINANET-BACKBONE
  721      1009         702      DLA Systems Automation Center
19029       781         669      New Edge Networks 
11492       636         616      Cable One 
22773       641         601      Cox Communications, Inc.
 6197      1004         536      BellSouth Network Solutions, 
19262       664         511      Verizon Global Networks 
19916       563         509      OLM LLC 
17488       516         509      Hathway IP Over Cable Interne
 5668       523         498      CenturyTel Internet Holdings,
 9498       559         487      BHARTI BT INTERNET LTD.
  855       546         482      Canadian Research Network 
 7757       473         454      AT&T Broadband 
 7545       519         449      TPG Internet Pty Ltd
 3602       535         426      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       125.64.6.0/27         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       125.64.25.0/25        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
24294   UNALLOCATED   202.173.112.0/20      2514       NTT PC Communication
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
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       /11:25      /12:87      
/13:198     /14:353     /15:696     /16:8750    /17:3119    /18:5151    
/19:11423   /20:12825   /21:10991   /22:14155   /23:15293   /24:100319  
/25:341     /26:247     /27:214     /28:63      /29:25      /30:33      
/31:0       /32:32      

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

  ASN   No of nets  Total ann.   Description
18566      903           920      Covad Communications 
 6197      794          1004      BellSouth Network Solutions, 
 7018      792          1498      AT&T WorldNet Services
19029      709           781      New Edge Networks 
 9583      689           870      Sify Limited
11492      627           636      Cable One 
 4323      595          1232      Time Warner Telecom
 2386      594           870      AT&T Data Communications Serv
19916      557           563      OLM LLC 
 7011      516           602      Citizens Utilities 
 4766      486           677      Korea Telecom (KIX)
 7757      455           473      AT&T Broadband 
 6198      439           579      BellSouth Network Solutions, 
  855      420           546      Canadian Research Network 
 5668      404           523      CenturyTel Internet Holdings,
 1239      380           852      Sprint 
  702      368           584      UUNET - Commercial IP service
15270      354           384      PaeTec.net -a division of Pae
 6517      346           376      Yipes Communications, Inc. 
22773      336           641      Cox Communications, Inc.

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

   4:3         8:38       12:1621     13:1        15:12       16:3      
  17:3        18:4        20:43       24:873      25:1        30:2      
  32:67       38:206      40:54       44:3        47:6        52:4      
  55:1        56:3        57:33       58:149      59:172      60:175    
  61:818      62:792      63:1907     64:3112     65:2223     66:3070   
  67:610      68:678      69:1405     70:312      71:61       72:647    
  73:23       74:23       80:753      81:598      82:535      83:362    
  84:339      85:473      86:374      87:256      88:47       89:71     
 124:187     125:279     128:161     129:174     130:102     131:318    
 132:33      133:8       134:147     135:47      136:175     137:65     
 138:191     139:74      140:488     141:137     142:393     143:156    
 144:231     145:40      146:318     147:134     148:338     149:188    
 150:114     151:78      152:64      153:98      154:6       155:194    
 156:94      157:119     158:166     159:167     160:88      161:72     
 162:227     163:143     164:178     165:175     166:152     167:239    
 168:478     169:139     170:320     171:12      172:1       190:39     
 192:5767    193:3401    194:2546    195:1797    196:779     198:3878   
 199:3262    200:4243    201:653     202:6547    203:6871    204:3919   
 205:2092    206:2423    207:2931    208:2022    209:3749    210:1933   
 211:810     212:1272    213:1481    214:341     215:42      216:4072   
 217:1162    218:257     219:179     220:644     221:373     222:160    


End of report



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