[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 Mar 2002 20:05:00 +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 Mar, 2002
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                            109956
          Prefixes after maximum aggregation:                         72203
          Unique aggregates announced to Internet:                    52252
      Total ASes present in the Internet Routing Table:               12779
      Origin-only ASes present in the Internet Routing Table:         11065
      Origin ASes announcing only one prefix:                          4843
      Transit ASes present in the Internet Routing Table:              1714
      Transit-only ASes present in the Internet Routing Table:           55
      Average AS path length visible in the Internet Routing Table:     5.4
          Max AS path length visible:                                    19
      Illegal AS announcements present in the Routing Table:              6
      Non-routable prefixes present in the Routing Table:                 0
      Prefixes being announced from the IANA Reserved Address blocks:    14
      Number of addresses announced to Internet:                 1168580328
          Equivalent to 69 /8s, 167 /16s and 30 /24s
          Percentage of available address space announced:             31.5
          Percentage of allocated address space announced:             59.7
          Percentage of available address space allocated:             52.8
      Total number of prefixes smaller than registry allocations:     73621
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                  18137
          Total APNIC prefixes after maximum aggregation:             10698
      Prefixes being announced from the APNIC address blocks:         16655
          Unique aggregates announced from the APNIC address blocks:  10053
      APNIC Region origin ASes present in the Internet Routing Table:  1470
      APNIC Region origin ASes announcing only one prefix:              477
      APNIC Region transit ASes present in the Internet Routing Table:  259
      Average APNIC Region AS path length visible:                      5.3
          Max APNIC Region AS path length visible:                       15
      Number of APNIC addresses announced to Internet:             82062400
          Equivalent to 4 /8s, 228 /16s and 44 /24s
          Percentage of available APNIC address space announced:       60.7
      
      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:                   73404
          Total ARIN prefixes after maximum aggregation:              47340
      Prefixes being announced from the ARIN address blocks:          51865
          Unique aggregates announced from the ARIN address blocks:   16357
      ARIN Region origin ASes present in the Internet Routing Table:   7566
      ARIN Region origin ASes announcing only one prefix:              2384
      ARIN Region transit ASes present in the Internet Routing Table:   762
      Average ARIN Region AS path length visible:                       5.2
          Max ARIN Region AS path length visible:                        16
      Number of ARIN addresses announced to Internet:             190253252
          Equivalent to 11 /8s, 87 /16s and 8 /24s
          Percentage of available ARIN address space announced:        70.9
      
      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:                   18411
          Total RIPE prefixes after maximum aggregation:              14165
      Prefixes being announced from the RIPE address blocks:          15142
          Unique aggregates announced from the RIPE address blocks:   10085
      RIPE Region origin ASes present in the Internet Routing Table:   3687
      RIPE Region origin ASes announcing only one prefix:              1982
      RIPE Region transit ASes present in the Internet Routing Table:   679
      Average RIPE Region AS path length visible:                       5.8
          Max RIPE Region AS path length visible:                        19
      Number of RIPE addresses announced to Internet:             107780960
          Equivalent to 6 /8s, 108 /16s and 155 /24s
          Percentage of available RIPE address space announced:        71.4
      
      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     1289       1213         952   Telstra Pty Ltd
       4538      462       1194          17   China Education and Research 
        703      409        335         319   UUNET Technologies, Inc. 
       2907      405       1894         370   SINET Japan
       2764      384        361         360   connect.com.au pty ltd
       9394      317        113           4   CHINA RAILWAY Internet(CRNET)
       7474      302        289         206   Optus Communications Pty Ltd
       4755      293        113          85   Videsh Sanchar Nigam Ltd. Aut
       9443      276         44          64   Primus Telecommunications
       4134      272       1962          95   Data Communications Bureau
      17557      246         16          94   Pakistan Telecom
       4766      206       1516         146   Korea Internet Exchange for "
       7539      166        239         160   TANet2, sponsored by NSC, TAI
       4804      165         84          68   Microplex PTY LTD
       9583      148         32           5   Satyam Infoway Ltd.,
       9768      138        385          82   Korea Telecom
       7657      122         22          85   The Internet Group Limited
       4713      120        891         104   NTT Communications Corporatio
      17676      119       1904          12   XTAGE CORPORATION
       4780      118        186          40   Digital United Inc.
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        702     1032       2608         848   UUNET Technologies, Inc. 
       3301      394        924         349   TeliaNet Sweden
       3215      265        586         158   France Telecom / &Equant
       5515      262        696         168   Sonera Finland Autonomous Sys
        680      232       2149         231   DFN-IP service G-WiN
       1257      222        464         218   SWIPnet Swedish IP Network
       5400      198         83          93   Concert European Core Network
       3320      197       1964         172   Deutsche Telekom AG
        786      182       1874         182   The JANET IP Service
        719      163        289         118   LANLINK autonomous system
       8708      157         23         145   Romania Data Systems S.A.
       2856      129        788         118   BTnet UK Regional network
       3303      125        581         124   Swisscom Ltd
      12302      125          8          46   MobiFon S.A.
       8297      120         53          67   Teleglobe Autonomous System i
       3269      117        694          71   TELECOM ITALIA
        517      103        226          99   KPNQwest Germany GmbH
       9051      101          6          25   INCONET Autonomous System
       5511      100        193          89   France Telecom
       2874       97        100          37   Global One Services AB
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        701     2106       8368        1495   UUNET Technologies, Inc. 
       7018     1229       7529         914   AT&T 
       3908      848       1675         477   Supernet, Inc. 
          1      810       8123         605   BBN Planet 
       1239      809       3368         634   Sprint 
        852      672       5204         411   Telus Advanced Communications
       4323      624        436         253   Time Warner Communications, I
       7046      605        834         393   UUNET Technologies, Inc. 
        209      555       1992         319   Qwest 
       7132      518        545         158   Southwestern Bell Internet Se
       3549      502        845         257   Global Crossing 
        690      462         69         305   Merit Network 
       2914      414       2169         410   Verio, Inc. 
       7843      398        314          49   Adelphia Corp. 
        705      378        116         270   UUNET Technologies, Inc. 
       2149      377        209         314   Performance Systems, Inc. 
       3741      343        731         233   The Internet Solution 
       6197      330        217         171   BellSouth Network Solutions, 
       3561      318       2151         285   Cable & Wireless USA 
       7066      318        203         251   Virginia Polytechnic Institut
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
       4538       462         445      China Education and Research 
       3908       848         371      Supernet, Inc. 
       4323       624         371      Time Warner Communications, I
       7132       518         360      Southwestern Bell Internet Se
       7843       398         349      Adelphia Corp. 
       1221      1289         337      Telstra Pty Ltd
       7018      1229         315      AT&T 
       9394       317         313      CHINA RAILWAY Internet(CRNET)
       4151       307         291      USDA 
       6198       310         279      BellSouth Network Solutions, 
      11371       277         271      Rhythms NetConnections 
        852       672         261      Telus Advanced Communications
       3549       502         245      Global Crossing 
       6347       316         238      SAVVIS Communications Corpora
        209       555         236      Qwest 
       7029       244         229      Alltel Information Services, 
       7046       605         212      UUNET Technologies, Inc. 
       9443       276         212      Primus Telecommunications
       4755       293         208      Videsh Sanchar Nigam Ltd. Aut
          1       810         205      BBN Planet 
      
      List of Unregistered ASNs (Global)
      ----------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
        112   UNALLOCATED   192.175.48.0/24       3557       Vixie Enterprises 
      65535   PRIVATE       198.93.230.0/24       3550       Ateneo de Manila Uni
      65535   PRIVATE       198.93.231.0/24       3550       Ateneo de Manila Uni
      65535   PRIVATE       198.94.168.0/24       3550       Ateneo de Manila Uni
      65535   PRIVATE       198.94.169.0/24       3550       Ateneo de Manila Uni
       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 
      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
      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       /9:5       /10:8       /11:14      /12:35      
      /13:88      /14:229     /15:404     /16:7180    /17:1388    /18:2555    
      /19:7416    /20:6925    /21:4923    /22:7528    /23:9145    /24:61142   
      /25:219     /26:259     /27:115     /28:92      /29:102     /30:132     
      /31:0       /32:33      
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
        701     1373          2106      UUNET Technologies, Inc. 
       1221     1147          1289      Telstra Pty Ltd
        702      654          1032      UUNET Technologies, Inc. 
       7018      643          1229      AT&T 
       3908      580           848      Supernet, Inc. 
       4323      495           624      Time Warner Communications, I
       1239      467           809      Sprint 
        690      457           462      Merit Network 
        852      424           672      Telus Advanced Communications
       7046      420           605      UUNET Technologies, Inc. 
          1      403           810      BBN Planet 
        209      365           555      Qwest 
       3549      363           502      Global Crossing 
       2764      340           384      connect.com.au pty ltd
        703      330           409      UUNET Technologies, Inc. 
        705      325           378      UUNET Technologies, Inc. 
       9394      303           317      CHINA RAILWAY Internet(CRNET)
       7066      289           318      Virginia Polytechnic Institut
       2149      286           377      Performance Systems, Inc. 
       6197      279           330      BellSouth Network Solutions, 
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         3:1         9:1        12:478      13:10       15:2        17:5      
        20:2        24:741      25:1        32:68       38:9        40:6      
        44:1        57:14       61:302      62:166      63:1894     64:1180   
        65:1095     66:812      67:53       68:3        80:221      81:6      
       128:64      129:126     130:23      131:57      132:10      133:3      
       134:128     135:10      136:283     137:102     138:149     139:49     
       140:187     141:90      142:84      143:38      144:145     145:11     
       146:220     147:147     148:135     149:92      150:39      151:50     
       152:326     153:33      154:5       155:90      156:75      157:118    
       158:72      159:125     160:26      161:54      162:139     163:104    
       164:121     165:123     166:221     167:193     168:90      169:51     
       170:292     171:2       192:5441    193:2221    194:2102    195:793    
       196:428     198:3732    199:3199    200:2375    201:1       202:3088   
       203:4559    204:3275    205:2147    206:2496    207:2606    208:2573   
       209:2781    210:581     211:204     212:857     213:594     214:9      
       215:19      216:3016    217:459     218:13     
      
      End of report
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