[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, 29 Mar 2002 20:05:08 +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 29 Mar, 2002
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                            110532
          Prefixes after maximum aggregation:                         72321
          Unique aggregates announced to Internet:                    53586
      Total ASes present in the Internet Routing Table:               12821
      Origin-only ASes present in the Internet Routing Table:         11097
      Origin ASes announcing only one prefix:                          4863
      Transit ASes present in the Internet Routing Table:              1724
      Transit-only ASes present in the Internet Routing Table:           54
      Average AS path length visible in the Internet Routing Table:     5.3
          Max AS path length visible:                                    17
      Illegal AS announcements present in the Routing Table:             11
      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:                 1163171560
          Equivalent to 69 /8s, 84 /16s and 150 /24s
          Percentage of available address space announced:             31.4
          Percentage of allocated address space announced:             59.4
          Percentage of available address space allocated:             52.8
      Total number of prefixes smaller than registry allocations:     74196
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                  18278
          Total APNIC prefixes after maximum aggregation:             10781
      Prefixes being announced from the APNIC address blocks:         16756
          Unique aggregates announced from the APNIC address blocks:  10127
      APNIC Region origin ASes present in the Internet Routing Table:  1471
      APNIC Region origin ASes announcing only one prefix:              477
      APNIC Region transit ASes present in the Internet Routing Table:  262
      Average APNIC Region AS path length visible:                      5.3
          Max APNIC Region AS path length visible:                       15
      Number of APNIC addresses announced to Internet:             82277440
          Equivalent to 4 /8s, 231 /16s and 116 /24s
          Percentage of available APNIC address space announced:       60.8
      
      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:                   73730
          Total ARIN prefixes after maximum aggregation:              47319
      Prefixes being announced from the ARIN address blocks:          52165
          Unique aggregates announced from the ARIN address blocks:   17506
      ARIN Region origin ASes present in the Internet Routing Table:   7584
      ARIN Region origin ASes announcing only one prefix:              2390
      ARIN Region transit ASes present in the Internet Routing Table:   769
      Average ARIN Region AS path length visible:                       5.2
          Max ARIN Region AS path length visible:                        16
      Number of ARIN addresses announced to Internet:             184069572
          Equivalent to 10 /8s, 248 /16s and 173 /24s
          Percentage of available ARIN address space announced:        68.6
      
      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:                   18518
          Total RIPE prefixes after maximum aggregation:              14221
      Prefixes being announced from the RIPE address blocks:          15231
          Unique aggregates announced from the RIPE address blocks:   10125
      RIPE Region origin ASes present in the Internet Routing Table:   3711
      RIPE Region origin ASes announcing only one prefix:              1996
      RIPE Region transit ASes present in the Internet Routing Table:   677
      Average RIPE Region AS path length visible:                       5.8
          Max RIPE Region AS path length visible:                        17
      Number of RIPE addresses announced to Internet:             108317472
          Equivalent to 6 /8s, 116 /16s and 203 /24s
          Percentage of available RIPE address space announced:        71.7
      
      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     1284       1211         944   Telstra Pty Ltd
       4538      464       1194          17   China Education and Research 
       2907      437       1895         371   SINET Japan
        703      416        336         324   UUNET Technologies, Inc. 
       2764      385        361         360   connect.com.au pty ltd
       9394      331        113           4   CHINA RAILWAY Internet(CRNET)
       7474      312        290         211   Optus Communications Pty Ltd
       4755      285        111          81   Videsh Sanchar Nigam Ltd. Aut
       4134      276       1978          98   Data Communications Bureau
       9443      276         44          64   Primus Telecommunications
      17557      256         18          98   Pakistan Telecom
       4766      209       1516         147   Korea Internet Exchange for "
       7539      169        256         162   TANet2, sponsored by NSC, TAI
       4804      164         84          67   Microplex PTY LTD
       9583      151         32           5   Satyam Infoway Ltd.,
       9768      142        385          82   Korea Telecom
       4780      129        186          39   Digital United Inc.
       7657      122         22          85   The Internet Group Limited
       4713      120        891         104   NTT Communications Corporatio
      17676      119       1904          12   XTAGE CORPORATION
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        702     1029       2596         844   UUNET Technologies, Inc. 
       3301      389        923         344   TeliaNet Sweden
       3215      267        581         175   France Telecom / &Equant
       5515      264        696         169   Sonera Finland Autonomous Sys
        680      232       2149         231   DFN-IP service G-WiN
       1257      225        472         221   SWIPnet Swedish IP Network
       3320      225       1964         173   Deutsche Telekom AG
       5400      197         84          94   Concert European Core Network
        786      182       1874         182   The JANET IP Service
        719      163        289         118   LANLINK autonomous system
       8708      160         23         148   Romania Data Systems S.A.
       2856      129        788         118   BTnet UK Regional network
      12302      125          8          46   MobiFon S.A.
       3303      124        565         123   Swisscom Ltd
       3269      117        694          71   TELECOM ITALIA
       8297      117         53          67   Teleglobe Autonomous System i
       5511      103        194          91   France Telecom
        517      102        226          98   KPNQwest Germany GmbH
       9051      101          6          25   INCONET Autonomous System
       2874       96         84          36   Global One Services AB
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        701     2085       8445        1448   UUNET Technologies, Inc. 
       7018     1238       7513         919   AT&T 
       3908      849       1675         479   Supernet, Inc. 
       1239      813       3371         636   Sprint 
          1      811       8123         608   BBN Planet 
        852      629       1112         416   Telus Advanced Communications
       4323      629        436         252   Time Warner Communications, I
       7046      602        837         373   UUNET Technologies, Inc. 
        209      557       1993         323   Qwest 
       7132      522        552         161   Southwestern Bell Internet Se
       3549      513        860         265   Global Crossing 
        690      454         67         297   Merit Network 
       7843      421        298          47   Adelphia Corp. 
       2914      415       2162         412   Verio, Inc. 
        705      374        115         266   UUNET Technologies, Inc. 
       2149      367        208         305   Performance Systems, Inc. 
       3741      341        731         234   The Internet Solution 
       7066      336        203         251   Virginia Polytechnic Institut
       6197      332        217         173   BellSouth Network Solutions, 
       3561      321       2152         288   Cable & Wireless USA 
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
       4538       464         447      China Education and Research 
       4323       629         377      Time Warner Communications, I
       7843       421         374      Adelphia Corp. 
       3908       849         370      Supernet, Inc. 
       7132       522         361      Southwestern Bell Internet Se
       1221      1284         340      Telstra Pty Ltd
       9394       331         327      CHINA RAILWAY Internet(CRNET)
       7018      1238         319      AT&T 
       4151       308         292      USDA 
       6198       311         280      BellSouth Network Solutions, 
       4565       311         277      Epoch Networks 
      11371       277         271      Rhythms NetConnections 
       3549       513         248      Global Crossing 
       6347       317         238      SAVVIS Communications Corpora
        209       557         234      Qwest 
       7029       246         231      Alltel Information Services, 
       7046       602         229      UUNET Technologies, Inc. 
        852       629         213      Telus Advanced Communications
       9443       276         212      Primus Telecommunications
       4355       245         209      EarthLink, Inc. 
      
      List of Unregistered ASNs (Global)
      ----------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
      23279   UNALLOCATED   63.238.4.0/24          209       Qwest 
      64516   PRIVATE       137.164.227.0/24      2150       California State Uni
      64516   PRIVATE       137.164.228.0/22      2150       California State Uni
        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, 
      23279   UNALLOCATED   216.207.52.0/24        209       Qwest 
      23279   UNALLOCATED   216.207.53.0/24        209       Qwest 
      
      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        /8:18       /9:5       /10:8       /11:14      /12:35      
      /13:88      /14:231     /15:402     /16:7182    /17:1398    /18:2570    
      /19:7438    /20:6904    /21:4952    /22:7580    /23:9158    /24:61569   
      /25:222     /26:270     /27:118     /28:102     /29:105     /30:126     
      /31:0       /32:37      
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
        701     1355          2085      UUNET Technologies, Inc. 
       1221     1143          1284      Telstra Pty Ltd
        702      654          1029      UUNET Technologies, Inc. 
       7018      647          1238      AT&T 
       3908      581           849      Supernet, Inc. 
       4323      498           629      Time Warner Communications, I
       1239      470           813      Sprint 
        690      449           454      Merit Network 
       7046      415           602      UUNET Technologies, Inc. 
          1      405           811      BBN Planet 
        852      381           629      Telus Advanced Communications
       3549      373           513      Global Crossing 
        209      366           557      Qwest 
       2764      340           385      connect.com.au pty ltd
        703      336           416      UUNET Technologies, Inc. 
        705      322           374      UUNET Technologies, Inc. 
       9394      317           331      CHINA RAILWAY Internet(CRNET)
       7066      307           336      Virginia Polytechnic Institut
       4565      286           311      Epoch Networks 
       2149      283           367      Performance Systems, Inc. 
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         3:1         4:7         9:1        12:490      13:10       15:2      
        17:6        20:2        24:750      25:1        32:68       38:8      
        40:6        44:1        57:14       61:312      62:152      63:1904   
        64:1180     65:1111     66:787      67:57       68:4        80:224    
        81:7       128:64      129:128     130:23      131:56      132:11     
       133:3       134:126     135:10      136:314     137:97      138:138    
       139:49      140:187     141:90      142:83      143:38      144:141    
       145:11      146:220     147:147     148:138     149:91      150:39     
       151:46      152:317     153:33      154:1       155:108     156:76     
       157:118     158:72      159:125     160:27      161:55      162:140    
       163:104     164:134     165:122     166:220     167:193     168:100    
       169:52      170:288     171:2       192:5436    193:2267    194:2095   
       195:795     196:429     198:3723    199:3202    200:2395    201:1      
       202:3119    203:4574    204:3244    205:2166    206:2565    207:2672   
       208:2572    209:2813    210:590     211:208     212:876     213:597    
       214:9       215:18      216:3084    217:462     218:15     
      
      End of report
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