[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, 19 Apr 2002 20:05:02 +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 19 Apr, 2002
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                            111025
          Prefixes after maximum aggregation:                         72697
          Unique aggregates announced to Internet:                    53886
      Total ASes present in the Internet Routing Table:               12943
      Origin-only ASes present in the Internet Routing Table:         11216
      Origin ASes announcing only one prefix:                          4906
      Transit ASes present in the Internet Routing Table:              1727
      Transit-only ASes present in the Internet Routing Table:           52
      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:              3
      Non-routable prefixes present in the Routing Table:                 0
      Prefixes being announced from the IANA Reserved Address blocks:    46
      Number of addresses announced to Internet:                 1182976764
          Equivalent to 70 /8s, 130 /16s and 202 /24s
          Percentage of available address space announced:             31.9
          Percentage of allocated address space announced:             59.5
          Percentage of available address space allocated:             53.7
      Total number of prefixes smaller than registry allocations:     44543
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                  18004
          Total APNIC prefixes after maximum aggregation:             10861
      Prefixes being announced from the APNIC address blocks:         16520
          Unique aggregates announced from the APNIC address blocks:  10294
      APNIC Region origin ASes present in the Internet Routing Table:  1491
      APNIC Region origin ASes announcing only one prefix:              483
      APNIC Region transit ASes present in the Internet Routing Table:  266
      Average APNIC Region AS path length visible:                      5.3
          Max APNIC Region AS path length visible:                       12
      Number of APNIC addresses announced to Internet:             83586880
          Equivalent to 4 /8s, 251 /16s and 111 /24s
          Percentage of available APNIC address space announced:       61.8
      
      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:                   74393
          Total ARIN prefixes after maximum aggregation:              47598
      Prefixes being announced from the ARIN address blocks:          52613
          Unique aggregates announced from the ARIN address blocks:   17535
      ARIN Region origin ASes present in the Internet Routing Table:   7648
      ARIN Region origin ASes announcing only one prefix:              2406
      ARIN Region transit ASes present in the Internet Routing Table:   758
      Average ARIN Region AS path length visible:                       5.2
          Max ARIN Region AS path length visible:                        16
      Number of ARIN addresses announced to Internet:             185550788
          Equivalent to 11 /8s, 15 /16s and 71 /24s
          Percentage of available ARIN address space announced:        69.1
      
      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
                             25600 - 26623
      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:                   18628
          Total RIPE prefixes after maximum aggregation:              14238
      Prefixes being announced from the RIPE address blocks:          15330
          Unique aggregates announced from the RIPE address blocks:   10164
      RIPE Region origin ASes present in the Internet Routing Table:   3751
      RIPE Region origin ASes announcing only one prefix:              2017
      RIPE Region transit ASes present in the Internet Routing Table:   685
      Average RIPE Region AS path length visible:                       5.9
          Max RIPE Region AS path length visible:                        15
      Number of RIPE addresses announced to Internet:             108754864
          Equivalent to 6 /8s, 123 /16s and 119 /24s
          Percentage of available RIPE address space announced:        72.0
      
      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     1293       1211         948   Telstra Pty Ltd
       4538      474       1194          17   China Education and Research 
       2907      439       1959         371   SINET Japan
        703      416        339         324   UUNET Technologies, Inc. 
       2764      396        362         364   connect.com.au pty ltd
       7474      299        291         208   Optus Communications Pty Ltd
       9443      275         44          63   Primus Telecommunications
       4134      273       1986          93   Data Communications Bureau
      17557      255         17         104   Pakistan Telecom
       4755      251        109          76   Videsh Sanchar Nigam Ltd. Aut
       4766      219       1516         157   Korea Internet Exchange for "
       7539      168        239         163   TANet2, sponsored by NSC, TAI
       4804      161         84          66   Microplex PTY LTD
       9583      154         32           5   Satyam Infoway Ltd.,
       9768      145        385          79   Korea Telecom
       7657      125         22          87   The Internet Group Limited
      17676      120       1920           7   XTAGE CORPORATION
       4814      117         64           4   China Telecom (Group) - Beiji
       4713      115        994         106   NTT Communications Corporatio
       4780      114        186          39   Digital United Inc.
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        702     1037       2557         851   UUNET Technologies, Inc. 
       3301      391        923         343   TeliaNet Sweden
       3215      271        598         168   France Telecom / &Equant
       5515      266        760         171   Sonera Finland Autonomous Sys
        680      232       2149         231   DFN-IP service G-WiN
       3320      228       1946         175   Deutsche Telekom AG
       1257      212        462         209   SWIPnet Swedish IP Network
       5400      198         82          93   Concert European Core Network
        786      182       1874         182   The JANET IP Service
        719      158        288         114   LANLINK autonomous system
       8708      141         22         134   Romania Data Systems S.A.
      12302      129          9          48   MobiFon S.A.
       2856      126        786         116   BTnet UK Regional network
       8297      122         53          67   Teleglobe Autonomous System i
       3269      117        694          71   TELECOM ITALIA
       3303      117        546         116   Swisscom Ltd
       5536      108         13          25   Internet Egypt Network
       5511      104        193          91   France Telecom
        517      101        226          97   KPNQwest Germany GmbH
       2874       96         84          36   Global One Services AB
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        701     2065       8486        1446   UUNET Technologies, Inc. 
       7018     1264       7503         939   AT&T 
       3908      864       1660         479   Supernet, Inc. 
       1239      810       3368         651   Sprint 
          1      798       8120         595   BBN Planet 
        852      664       1148         425   Telus Advanced Communications
       4323      634        436         256   Time Warner Communications, I
        705      594        188         293   UUNET Technologies, Inc. 
        209      583       2015         327   Qwest 
       7046      572        837         365   UUNET Technologies, Inc. 
       7132      569        604         140   Southwestern Bell Internet Se
       3549      503        856         304   Global Crossing 
        690      460         68         296   Merit Network 
       7066      445        202         249   Virginia Polytechnic Institut
       7843      439        323          51   Adelphia Corp. 
       2914      410       2142         405   Verio, Inc. 
       2149      346        207         289   Performance Systems, Inc. 
       3741      344        731         236   The Internet Solution 
       6197      343        341         131   BellSouth Network Solutions, 
       3561      317       2151         284   Cable & Wireless USA 
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
       4538       474         457      China Education and Research 
       7132       569         429      Southwestern Bell Internet Se
       7843       439         388      Adelphia Corp. 
       3908       864         385      Supernet, Inc. 
       4323       634         378      Time Warner Communications, I
       1221      1293         345      Telstra Pty Ltd
       7018      1264         325      AT&T 
        705       594         301      UUNET Technologies, Inc. 
       4151       308         292      USDA 
      11371       293         287      Rhythms NetConnections 
        209       583         256      Qwest 
       7029       264         249      Alltel Information Services, 
        852       664         239      Telus Advanced Communications
       6347       315         236      SAVVIS Communications Corpora
       4355       253         217      EarthLink, Inc. 
       6197       343         212      BellSouth Network Solutions, 
       9443       275         212      Primus Telecommunications
       7046       572         207      UUNET Technologies, Inc. 
       6517       248         207      Yipes Communications, Inc. 
          1       798         203      BBN Planet 
      
      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
        112   UNALLOCATED   192.175.48.0/24       3557       Vixie Enterprises 
       5757   UNALLOCATED   207.19.224.0/24        701       UUNET Technologies, 
      
      Advertised Unregistered Addresses
      ---------------------------------
      
      Network            Origin AS  Description
      39.0.0.0/8            4554     Exchange Point Blocks 
      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. 
      153.147.0.0/16        3561     Cable & Wireless USA 
      154.150.0.0/16        6494     IDCI 
      158.0.0.0/13           568     DISO-UNRRA 
      164.233.0.0/16        6020     DISA NETWORK SERVICES 
      192.31.126.0/23       1103     SURFnet BV
      192.31.128.0/21       1103     SURFnet BV
      192.44.0.0/19          702     UUNET Technologies, Inc. 
      192.72.0.0/18         4780     Digital United Inc.
      192.72.0.0/16         4780     Digital United Inc.
      192.76.133.0/24       5669     VIA NET.WORKS Inc
      192.83.1.0/24         5515     Sonera Finland Autonomous Sys
      192.83.2.0/24         5515     Sonera Finland Autonomous Sys
      192.83.8.0/21         5515     Sonera Finland Autonomous Sys
      192.83.14.0/24        5515     Sonera Finland Autonomous Sys
      192.83.16.0/20        5515     Sonera Finland Autonomous Sys
      192.83.25.0/24        5515     Sonera Finland Autonomous Sys
      192.83.32.0/19        5515     Sonera Finland Autonomous Sys
      192.83.96.0/22        5515     Sonera Finland Autonomous Sys
      192.83.100.0/24       5515     Sonera Finland Autonomous Sys
      192.91.198.0/24       2568     CTS Network Services 
      192.92.167.0/24        297     NASA Science Network 
      192.119.135.0/24       270     NASA 
      192.135.50.0/24       7018     AT&T 
      192.135.248.0/23       109     Cisco Systems, Inc. 
      192.136.79.0/24        719     LANLINK autonomous system
      192.136.86.0/24        719     LANLINK autonomous system
      192.136.87.0/24        719     LANLINK autonomous system
      192.136.88.0/24        719     LANLINK autonomous system
      192.139.62.0/24       6539     GT Group Telecom Services Cor
      192.140.0.0/16        5511     France Telecom
      192.152.213.0/24      1239     Sprint 
      192.153.136.0/21       568     DISO-UNRRA 
      192.156.0.0/19         568     DISO-UNRRA 
      192.172.0.0/19         568     DISO-UNRRA 
      192.195.253.0/24       237     Merit Network 
      192.208.29.0/24       3908     Supernet, Inc. 
      192.208.30.0/23       3908     Supernet, Inc. 
      192.243.36.0/23       7168     Northwest Link 
      
      Number of prefixes announced per prefix length (Global)
      -------------------------------------------------------
      
       /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
       /7:0        /8:20       /9:7       /10:8       /11:14      /12:35      
      /13:88      /14:234     /15:404     /16:7187    /17:1412    /18:2579    
      /19:7455    /20:6958    /21:4983    /22:7672    /23:9227    /24:61969   
      /25:220     /26:191     /27:90      /28:92      /29:51      /30:96      
      /31:0       /32:33      
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
        702      649          1037      UUNET Technologies, Inc. 
        701      596          2065      UUNET Technologies, Inc. 
       3908      451           864      Supernet, Inc. 
        690      431           460      Merit Network 
        705      379           594      UUNET Technologies, Inc. 
       7066      350           445      Virginia Polytechnic Institut
       7018      322          1264      AT&T 
        209      268           583      Qwest 
       7843      268           439      Adelphia Corp. 
       7029      249           264      Alltel Information Services, 
      11371      245           293      Rhythms NetConnections 
       6197      243           343      BellSouth Network Solutions, 
          1      238           798      BBN Planet 
       3301      234           391      TeliaNet Sweden
       6198      228           304      BellSouth Network Solutions, 
       3549      224           503      Global Crossing 
       6517      223           248      Yipes Communications, Inc. 
       1239      206           810      Sprint 
       3215      206           271      France Telecom / &Equant
       7046      197           572      UUNET Technologies, Inc. 
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         3:1         9:1        12:490      13:10       15:2        17:7      
        20:2        24:767      25:1        32:68       38:8        40:6      
        44:1        57:14       61:201      62:190      63:1911     64:1183   
        65:1182     66:866      67:249      68:6        80:218      81:17     
       128:64      129:139     130:22      131:47      132:12      133:3      
       134:128     135:9       136:304     137:90      138:142     139:49     
       140:186     141:139     142:82      143:38      144:140     145:13     
       146:223     147:136     148:144     149:90      150:40      151:57     
       152:322     153:33      154:2       155:99      156:76      157:123    
       158:69      159:125     160:36      161:57      162:153     163:107    
       164:244     165:122     166:224     167:167     168:111     169:52     
       170:293     171:2       192:5445    193:2278    194:2093    195:803    
       196:429     198:3691    199:3209    200:2436    202:3116    203:4582   
       204:3241    205:2164    206:2566    207:2636    208:2581    209:2777   
       210:622     211:208     212:867     213:599     214:9       215:18     
       216:3011    217:458     218:15     
      
      End of report
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