[afnog] Weekly Routing Table Report

Routing Table Analysis cscora at apnic.net
Fri Mar 10 21:07:06 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 11 Mar, 2006

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

BGP routing table entries examined:                              183843
    Prefixes after maximum aggregation:                          102032
    Unique aggregates announced to Internet:                      89541
Total ASes present in the Internet Routing Table:                 21708
Origin-only ASes present in the Internet Routing Table:           18866
Origin ASes announcing only one prefix:                            8972
Transit ASes present in the Internet Routing Table:                2842
Transit-only ASes present in the Internet Routing Table:             68
Average AS path length visible in the Internet Routing Table:       4.5
    Max AS path length visible:                                      29
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:                   1509440352
    Equivalent to 89 /8s, 248 /16s and 59 /24s
    Percentage of available address space announced:               40.7
    Percentage of allocated address space announced:               60.1
    Percentage of available address space allocated:               67.8
Total number of prefixes smaller than registry allocations:       89915

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

Prefixes being announced by APNIC Region ASes:                    38692
    Total APNIC prefixes after maximum aggregation:               16317
Prefixes being announced from the APNIC address blocks:           36499
    Unique aggregates announced from the APNIC address blocks:    17742
APNIC Region origin ASes present in the Internet Routing Table:    2494
APNIC Region origin ASes announcing only one prefix:                698
APNIC Region transit ASes present in the Internet Routing Table:    385
Average APNIC Region AS path length visible:                        4.5
    Max APNIC Region AS path length visible:                         14
Number of APNIC addresses announced to Internet:              217100512
    Equivalent to 12 /8s, 240 /16s and 176 /24s
    Percentage of available APNIC address space announced:         67.9

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:                     96344
    Total ARIN prefixes after maximum aggregation:                56872
Prefixes being announced from the ARIN address blocks:            75588
    Unique aggregates announced from the ARIN address blocks:     28793
ARIN Region origin ASes present in the Internet Routing Table:    10574
ARIN Region origin ASes announcing only one prefix:                3949
ARIN Region transit ASes present in the Internet Routing Table:     981
Average ARIN Region AS path length visible:                         4.3
    Max ARIN Region AS path length visible:                          19
Number of ARIN addresses announced to Internet:               290693888
    Equivalent to 17 /8s, 83 /16s and 163 /24s
    Percentage of available ARIN address space announced:          72.2

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:                     36461
    Total RIPE prefixes after maximum aggregation:                24431
Prefixes being announced from the RIPE address blocks:            33483
    Unique aggregates announced from the RIPE address blocks:     22608
RIPE Region origin ASes present in the Internet Routing Table:     7752
RIPE Region origin ASes announcing only one prefix:                4064
RIPE Region transit ASes present in the Internet Routing Table:    1291
Average RIPE Region AS path length visible:                         5.0
    Max RIPE Region AS path length visible:                          19
Number of RIPE addresses announced to Internet:               241815424
    Equivalent to 14 /8s, 105 /16s and 207 /24s
    Percentage of available RIPE address space announced:          72.1

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:                   10305
    Total LACNIC prefixes after maximum aggregation:               3524
Prefixes being announced from the LACNIC address blocks:           8467
    Unique aggregates announced from the LACNIC address blocks:    5146
LACNIC Region origin ASes present in the Internet Routing Table:    677
LACNIC Region origin ASes announcing only one prefix:               219
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:                        29
Number of LACNIC addresses announced to Internet:              25835008
    Equivalent to 1 /8s, 138 /16s and 54 /24s
    Percentage of available LACNIC address space announced:        38.5

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:                   1960
    Total AfriNIC prefixes after maximum aggregation:               888
Prefixes being announced from the AfriNIC address blocks:          1311
    Unique aggregates announced from the AfriNIC address blocks:    911
AfriNIC Region origin ASes present in the Internet Routing Table:   146
AfriNIC Region origin ASes announcing only one prefix:               42
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:              3795712
    Equivalent to 0 /8s, 57 /16s and 235 /24s
    Percentage of available AfriNIC address space announced:       11.3

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      988       6928         208   CHINANET-BACKBONE
 4755      874        258          71   Videsh Sanchar Nigam Ltd. Aut
 9583      866        109          16   Sify Limited
 4766      676       3924         300   Korea Telecom (KIX)
 1221      651       1428         469   Telstra Pty Ltd
 9498      558        211          71   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      371         75         166   Wantree Development
 2907      334       1748         312   SINET Japan
18101      332         68          23   Reliance Infocom Ltd Internet
17974      330         77          40   PT TELEKOMUNIKASI INDONESIA
 9929      326        216          53   China Netcom Corp.
17557      319         25         163   Pakistan Telecom
17849      315         20         104   Telecommunications Technology
 7474      303        211         230   SingTel Optus Pty Ltd
 4780      281        226          16   Digital United Inc.
 9837      273         78         169   Powertel Ltd

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
 7018     1500       6248         963   AT&T WorldNet Services
 4323     1229        711         235   Time Warner Telecom
  721     1010      21946         307   DLA Systems Automation Center
 6197     1002        617         467   BellSouth Network Solutions, 
  174      974       5784         919   Cogent Communications
  701      948       8064         784   UUNET Technologies, Inc. 
18566      918        272           8   Covad Communications 
 2386      869        520         661   AT&T Data Communications Serv
 1239      855       2790         603   Sprint 
19029      777        152         113   New Edge Networks 
  209      697       3608         542   Qwest 
20115      669        585         361   Charter Communications 
19262      661       1933         155   Verizon Global Networks 
22773      639       1480          40   Cox Communications, Inc.
11492      636         86          20   Cable One 
 7011      597        208         387   Citizens Utilities 
 6198      584        502         238   BellSouth Network Solutions, 
  852      576       1088         383   Telus Advanced Communications
  855      566        244          64   Canadian Research Network 
19916      563         49          54   OLM LLC 

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
  702      581       1951         457   UUNET - Commercial IP service
 3301      306       1071         291   TeliaNet Sweden
 3352      306       1548          32   Ibernet, Internet Access Netw
 8220      289        475         268   COLT Telecommunications
 3320      279       3477         232   Deutsche Telekom AG
  680      244       2025         241   DFN-IP service G-WiN
 3246      230        488         220   Song Networks
 6746      224         88         196   Dynamic Network Technologies,
 8708      219        274         202   Romania Data Systems S.A.
 1257      204        712         173   SWIPnet Swedish IP Network
 8551      202        197          24   Bezeq International
 3269      191       2037          73   TELECOM ITALIA
 3215      182       1502          87   France Telecom Transpac
 5515      177        839         124   Sonera Solution Autonomous Sy
24863      176         40           9   LINKdotNET AS number
  786      174       1795         174   The JANET IP Service
 5400      167        328         136   BT Ignite European Backbone
 8866      167         37          13   Bulgarian Telecommunication C
 6830      166        765          35   UPC Distribution Services
 3300      163        170          91   AUCS Communications Services 

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
 8151      582       1050         228   UniNet S.A. de C.V. 
22047      383        142          10   VTR PUNTO NET S.A. 
11172      311        111          82   Servicios Alestra S.A de C.V 
16814      290         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      131         80           4   Cable-Wireless Panama 
 6503      123        149          76   AVANTEL, S.A. 
19169      123          8          30   Telconet 
 5639      122         12           9   Telecommunications Services o
10481      121         48           8   Prima S.A. 
21826      120         16          19   INTERCABLE 
 6505      106         88          78   Global One Communicaoes Ltda 
23216      101         20           7   RAMtelecom Telecomunicaciones
18822       99          8          10   TELEFONICA MANQUEHUE 
14522       98         12           8   SatNet S.A. 
25620       97          6           3   COTAS LTDA 
 7315       96          6           3   Grupo Rey Moreno 
19429       95         52          42   E.T.B. 

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
 3741      278        819         234   The Internet Solution 
 8452      163         60           7   TEDATA
15475      123         84           4   Nile Online
 2018      122        298         103   Tertiary Education Network 
 5536      122          8          18   Internet Egypt Network
 6713      106        103          12   Itissalat Al-MAGHRIB
 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
12455       26          6           3   Jambonet Autonomous system
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
21280       22          4           4   Swift Global Kenya Ltd.Is an 
 8346       20         13          17   SONATEL-AS Autonomous System
 2561       19          6           2   Egyptian Universities Network

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

  ASN   No of nets  Net Savings Description
 4323      1229         994      Time Warner Telecom
18566       918         910      Covad Communications 
 9583       866         850      Sify Limited
 4755       874         803      Videsh Sanchar Nigam Ltd. Aut
 4134       988         780      CHINANET-BACKBONE
  721      1010         703      DLA Systems Automation Center
19029       777         664      New Edge Networks 
11492       636         616      Cable One 
22773       639         599      Cox Communications, Inc.
 6197      1002         535      BellSouth Network Solutions, 
19916       563         509      OLM LLC 
17488       516         509      Hathway IP Over Cable Interne
19262       661         506      Verizon Global Networks 
  855       566         502      Canadian Research Network 
 5668       520         495      CenturyTel Internet Holdings,
 9498       558         487      BHARTI BT INTERNET LTD.
 7757       471         452      AT&T Broadband 
 7545       519         449      TPG Internet Pty Ltd
 3602       531         422      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
35650   UNALLOCATED   87.117.64.0/18       16238       AS for Coulomb
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       125.64.12.0/24        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
65505   PRIVATE       206.252.200.192/27    8002       Stealth Communicatio
65518   PRIVATE       211.144.192.0/19     24421       *
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      
/13:197     /14:351     /15:693     /16:8730    /17:3106    /18:5128    
/19:11389   /20:12709   /21:10937   /22:14071   /23:15235   /24:100174  
/25:365     /26:242     /27:214     /28:66      /29:24      /30:33      
/31:0       /32:32      

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

  ASN   No of nets  Total ann.   Description
18566      901           918      Covad Communications 
 6197      793          1002      BellSouth Network Solutions, 
 7018      790          1500      AT&T WorldNet Services
19029      705           777      New Edge Networks 
 9583      685           866      Sify Limited
11492      627           636      Cable One 
 2386      594           869      AT&T Data Communications Serv
 4323      594          1229      Time Warner Telecom
19916      557           563      OLM LLC 
 7011      511           597      Citizens Utilities 
 4766      485           676      Korea Telecom (KIX)
 7757      453           471      AT&T Broadband 
 6198      444           584      BellSouth Network Solutions, 
  855      440           566      Canadian Research Network 
 5668      402           520      CenturyTel Internet Holdings,
 1239      376           855      Sprint 
  702      365           581      UUNET - Commercial IP service
15270      352           382      PaeTec.net -a division of Pae
 6517      342           371      Yipes Communications, Inc. 
22773      335           639      Cox Communications, Inc.

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

   4:3         8:38       12:1626     13:1        15:12       16:3      
  17:3        18:4        20:43       24:865      25:1        30:2      
  32:66       38:205      40:54       44:3        47:6        52:4      
  55:1        56:3        57:33       58:121      59:172      60:187    
  61:825      62:782      63:1898     64:3115     65:2221     66:3079   
  67:608      68:678      69:1440     70:308      71:59       72:642    
  73:23       74:22       80:763      81:616      82:526      83:380    
  84:337      85:463      86:372      87:233      88:33       89:64     
 124:185     125:278     128:152     129:173     130:102     131:319    
 132:31      133:8       134:146     135:47      136:174     137:65     
 138:192     139:73      140:485     141:134     142:414     143:147    
 144:226     145:39      146:310     147:134     148:336     149:184    
 150:112     151:78      152:62      153:102     154:6       155:194    
 156:94      157:121     158:164     159:165     160:87      161:70     
 162:231     163:144     164:179     165:171     166:147     167:238    
 168:485     169:140     170:322     171:12      172:1       190:37     
 192:5764    193:3413    194:2527    195:1781    196:773     198:3893   
 199:3260    200:4211    201:616     202:6531    203:6894    204:3925   
 205:2086    206:2424    207:2923    208:2020    209:3751    210:1955   
 211:821     212:1242    213:1478    214:341     215:42      216:4113   
 217:1162    218:254     219:142     220:642     221:372     222:159    


End of report



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