[apops] Weekly Routing Table Report

  • To: apops at lists dot apnic dot net, rtma at arin dot net, routing-wg at ripe dot net, afnog at afnog dot org
  • Subject: [apops] Weekly Routing Table Report
  • From: Routing Table Analysis <cscora at thyme dot apnic dot net>
  • Date: Fri, 22 Feb 2002 20:04:51 +1000 (EST)
  • Reply-to: pfs@cisco.com
  • Sender: owner-apops@lists.apnic.net
    • 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 dot apnic dot net
      
      For a graphical representation, please see http://www.apnic.net/stats/bgp.
      
      If you have any comments please contact Philip Smith <pfs at cisco dot com>.
      
      Routing Table Report   20:00 +10GMT Fri 22 Feb, 2002
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                            108511
          Prefixes after maximum aggregation:                         71931
          Unique aggregates announced to Internet:                    51754
      Total ASes present in the Internet Routing Table:               12591
      Origin-only ASes present in the Internet Routing Table:         10899
      Origin ASes announcing only one prefix:                          4778
      Transit ASes present in the Internet Routing Table:              1692
      Transit-only ASes present in the Internet Routing Table:           58
      Average AS path length visible in the Internet Routing Table:     5.4
          Max AS path length visible:                                    16
      Illegal AS announcements present in the Routing Table:              2
      Non-routable prefixes present in the Routing Table:                 1
      Prefixes being announced from the IANA Reserved Address blocks:    15
      Number of addresses announced to Internet:                 1174523208
          Equivalent to 70 /8s, 1 /16s and 205 /24s
          Percentage of available address space announced:             31.7
          Percentage of allocated address space announced:             60.0
          Percentage of available address space allocated:             52.8
      Total number of prefixes smaller than registry allocations:     72403
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                  17358
          Total APNIC prefixes after maximum aggregation:             10557
      Prefixes being announced from the APNIC address blocks:         15867
          Unique aggregates announced from the APNIC address blocks:   9799
      APNIC Region origin ASes present in the Internet Routing Table:  1445
      APNIC Region origin ASes announcing only one prefix:              491
      APNIC Region transit ASes present in the Internet Routing Table:  255
      Average APNIC Region AS path length visible:                      5.3
          Max APNIC Region AS path length visible:                       15
      Number of APNIC addresses announced to Internet:             79641920
          Equivalent to 4 /8s, 191 /16s and 61 /24s
          Percentage of available APNIC address space announced:       58.9
      
      APNIC AS Blocks        4608 - 4864, 7467 - 7722, 9216 - 10239
                             17408 - 18431, 23552 - 24575
      APNIC Address Blocks   61/8, 202/7, 210/7, 218/7 and 220/8
      
      ARIN Region Analysis Summary
      ----------------------------
      
      Prefixes being announced by ARIN Region ASes:                   72928
          Total ARIN prefixes after maximum aggregation:              47301
      Prefixes being announced from the ARIN address blocks:          51446
          Unique aggregates announced from the ARIN address blocks:   16297
      ARIN Region origin ASes present in the Internet Routing Table:   7449
      ARIN Region origin ASes announcing only one prefix:              2322
      ARIN Region transit ASes present in the Internet Routing Table:   766
      Average ARIN Region AS path length visible:                       5.2
          Max ARIN Region AS path length visible:                        16
      Number of ARIN addresses announced to Internet:             194750084
          Equivalent to 11 /8s, 155 /16s and 166 /24s
          Percentage of available ARIN address space announced:        72.6
      
      ARIN AS Blocks         1 - 1876, 1902 - 2042, 2044 - 2046, 2048 - 2106
                             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
      ARIN Address Blocks    24/8, 63/8, 64/6, 68/8, 199/8, 200/8, 204/6,
                             208/7 and 216/8
      
      RIPE Region Analysis Summary
      ----------------------------
      
      Prefixes being announced by RIPE Region ASes:                   18225
          Total RIPE prefixes after maximum aggregation:              14073
      Prefixes being announced from the RIPE address blocks:          14981
          Unique aggregates announced from the RIPE address blocks:    9993
      RIPE Region origin ASes present in the Internet Routing Table:   3638
      RIPE Region origin ASes announcing only one prefix:              1965
      RIPE Region transit ASes present in the Internet Routing Table:   660
      Average RIPE Region AS path length visible:                       5.8
          Max RIPE Region AS path length visible:                        15
      Number of RIPE addresses announced to Internet:             106891520
          Equivalent to 6 /8s, 95 /16s and 9 /24s
          Percentage of available RIPE address space announced:        70.8
      
      RIPE AS Blocks         1877 - 1901, 2043, 2047, 2107 - 2136, 2585 - 2614
                             2773 - 2822, 2830 - 2879, 3154 - 3353, 5377 - 5631
                             6656 - 6911, 8192 - 9215, 12288 - 13311, 15360 - 16383
                             20480 - 21503, 24576 - 25599
      RIPE Address Blocks    62/8, 80/7, 193/8, 194/7, 212/7 and 217/8
      
      APNIC Region per AS prefix count summary
      ----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       1221     1311       1246         963   Telstra Pty Ltd
       4538      454       1162          16   China Education and Research 
        703      402        359         311   UUNET Technologies, Inc. 
       2907      399       1942         365   SINET Japan
       2764      387        361         362   connect.com.au pty ltd
       7474      302        290         206   Optus Communications Pty Ltd
       4755      290        111          88   Videsh Sanchar Nigam Ltd. Aut
       4134      270       1874          98   Data Communications Bureau
       9394      253        112           3   CHINA RAILWAY Internet(CRNET)
      17557      226         17          95   Pakistan Telecom
       4766      213       1392         151   Korea Internet Exchange for "
       7539      162        220         155   TANet2, sponsored by NSC, TAI
       9443      162         44          60   Primus Telecommunications
       9768      146        385          88   Korea Telecom
       4804      144         84          68   Microplex PTY LTD
       9583      140         32           5   Satyam Infoway Ltd.,
       7657      122         22          85   The Internet Group Limited
       4780      118        186          40   Digital United Inc.
       4713      117        914         103   NTT Communications Corporatio
      17676      115       1840          17   XTAGE CORPORATION
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        702     1063       2631         856   UUNET Technologies, Inc. 
       3301      398        924         352   TeliaNet Sweden
       1257      247        487         243   SWIPnet Swedish IP Network
       3215      238        570         155   France Telecom / &Equant
        680      232       2147         230   DFN-IP service G-WiN
       5515      217        713         174   Sonera Finland Autonomous Sys
       5400      197         82          93   Concert European Core Network
       3320      196       1964         172   Deutsche Telekom AG
        786      181       1858         181   The JANET IP Service
        719      167        305         121   LANLINK autonomous system
       8708      157         22         145   Romania Data Systems S.A.
       2856      131        790         120   BTnet UK Regional network
       2118      126        109          20   EUnet/RELCOM Autonomous Syste
       3303      123        577         123   Swisscom Ltd
       3269      117        693          71   TELECOM ITALIA
       8297      116         40          65   Teleglobe Autonomous System i
      12302      114          7          35   MobiFon S.A.
        517      100        226          98   KPNQwest Germany GmbH
       5536       97         13          25   Internet Egypt Network
       2874       95        100          35   Global One Services AB
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        701     2106       8443        1503   UUNET Technologies, Inc. 
       7018     1237       7511         932   AT&T 
       3908      834       1661         481   Supernet, Inc. 
          1      817       8102         596   BBN Planet 
       1239      805       3348         621   Sprint 
       4323      658        434         257   Time Warner Communications, I
       7046      616        850         416   UUNET Technologies, Inc. 
        852      614       1127         410   Telus Advanced Communications
        209      537       1974         309   Qwest 
       7132      455        510         164   Southwestern Bell Internet Se
       2914      453       2193         421   Verio, Inc. 
       3549      451        807         234   Global Crossing 
        690      437         66         283   Merit Network 
       7843      377        298          47   Adelphia Corp. 
        705      373        114         263   UUNET Technologies, Inc. 
       2149      373        209         311   Performance Systems, Inc. 
        577      353        588         221   Bell Advanced Communications 
       3561      350       2204         310   Cable & Wireless USA 
       3741      343        730         234   The Internet Solution 
       2386      332        354         189   AT&T Data Communications Serv
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
       4538       454         438      China Education and Research 
       4323       658         401      Time Warner Communications, I
       3908       834         353      Supernet, Inc. 
       1221      1311         348      Telstra Pty Ltd
       7843       377         330      Adelphia Corp. 
       7018      1237         305      AT&T 
       7132       455         291      Southwestern Bell Internet Se
       4151       305         289      USDA 
       6198       307         274      BellSouth Network Solutions, 
      11371       279         272      Rhythms NetConnections 
       9394       253         250      CHINA RAILWAY Internet(CRNET)
       6347       316         238      SAVVIS Communications Corpora
       7029       244         229      Alltel Information Services, 
        209       537         228      Qwest 
          1       817         221      BBN Planet 
       3549       451         217      Global Crossing 
        702      1063         207      UUNET Technologies, Inc. 
        852       614         204      Telus Advanced Communications
       4355       243         204      EarthLink, Inc. 
       4755       290         202      Videsh Sanchar Nigam Ltd. Aut
      
      List of Unregistered ASNs (Global)
      ----------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
       1877   UNALLOCATED   192.108.201.0/24      1880       Stupi, house man's p
       5757   UNALLOCATED   207.19.224.0/24        701       UUNET Technologies, 
      
      Prefixes from private and non-routed address space (Global)
      -----------------------------------------------------------
      
      Prefix             Origin AS  Description
      172.16.0.0/12         9367     Tokyo Institute of Technology
      
      Advertised Unregistered Addresses
      ---------------------------------
      
      Network            Origin AS  Description
      39.0.0.0/8            4554     Exchange Point Blocks 
      96.0.0.0/20           3549     Global Crossing 
      132.0.0.0/10           568     DISO-UNRRA 
      134.137.0.0/16        7170     AT&T Government Markets 
      135.0.0.0/13         10455     Lucent Technologies 
      137.0.0.0/13           568     DISO-UNRRA 
      138.94.0.0/16            1     BBN Planet 
      144.7.0.0/16           701     UUNET Technologies, Inc. 
      153.36.0.0/14          701     UUNET Technologies, Inc. 
      154.150.0.0/16        6494     IDCI 
      158.0.0.0/13           568     DISO-UNRRA 
      164.233.0.0/16        6020     DISA NETWORK SERVICES 
      164.235.0.0/16        6025     US DOD NIC Unregistered
      189.186.184.0/24      4471     Michigan Internet Cooperative
      201.115.100.0/24      7018     AT&T 
      
      Number of prefixes announced per prefix length (Global)
      -------------------------------------------------------
      
       /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
       /7:0        /8:19       /9:6       /10:8       /11:12      /12:38      
      /13:90      /14:233     /15:396     /16:7146    /17:1433    /18:2528    
      /19:7364    /20:6760    /21:4801    /22:7291    /23:8889    /24:60555   
      /25:216     /26:260     /27:120     /28:87      /29:91      /30:130     
      /31:0       /32:38      
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
        701     1351          2106      UUNET Technologies, Inc. 
       1221     1166          1311      Telstra Pty Ltd
        702      687          1063      UUNET Technologies, Inc. 
       7018      652          1237      AT&T 
       3908      589           834      Supernet, Inc. 
       4323      537           658      Time Warner Communications, I
       1239      472           805      Sprint 
        690      433           437      Merit Network 
       7046      433           616      UUNET Technologies, Inc. 
          1      420           817      BBN Planet 
        852      372           614      Telus Advanced Communications
        209      355           537      Qwest 
       2764      343           387      connect.com.au pty ltd
        703      324           402      UUNET Technologies, Inc. 
        705      320           373      UUNET Technologies, Inc. 
       3549      318           451      Global Crossing 
       2149      282           373      Performance Systems, Inc. 
       7066      276           305      Virginia Polytechnic Institut
       6197      275           326      BellSouth Network Solutions, 
      11371      273           279      Rhythms NetConnections 
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         3:1         9:1        12:481      13:10       15:1        17:5      
        20:2        24:771      25:1        32:68       38:9        40:6      
        44:1        57:14       61:230      62:171      63:1880     64:1128   
        65:1032     66:721      67:34       68:7        80:204      81:5      
       128:62      129:123     130:21      131:57      132:11      133:3      
       134:128     135:10      136:247     137:101     138:148     139:47     
       140:185     141:62      142:88      143:37      144:152     145:12     
       146:216     147:156     148:146     149:92      150:39      151:45     
       152:352     153:32      154:7       155:85      156:75      157:121    
       158:78      159:89      160:23      161:55      162:139     163:115    
       164:95      165:120     166:225     167:182     168:119     169:51     
       170:293     171:2       189:1       192:5436    193:2180    194:2103   
       195:817     196:443     198:3741    199:3236    200:2318    201:1      
       202:2906    203:4459    204:3337    205:2174    206:2526    207:2626   
       208:2570    209:2820    210:528     211:184     212:895     213:567    
       214:9       215:18      216:2969    217:452     218:10     
      
      End of report
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