[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, 1 Mar 2002 20:04:44 +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 01 Mar, 2002
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                            109166
          Prefixes after maximum aggregation:                         72127
          Unique aggregates announced to Internet:                    51877
      Total ASes present in the Internet Routing Table:               12656
      Origin-only ASes present in the Internet Routing Table:         10956
      Origin ASes announcing only one prefix:                          4788
      Transit ASes present in the Internet Routing Table:              1700
      Transit-only ASes present in the Internet Routing Table:           57
      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:              9
      Non-routable prefixes present in the Routing Table:                 0
      Prefixes being announced from the IANA Reserved Address blocks:    15
      Number of addresses announced to Internet:                 1170537896
          Equivalent to 69 /8s, 196 /16s and 253 /24s
          Percentage of available address space announced:             31.6
          Percentage of allocated address space announced:             59.8
          Percentage of available address space allocated:             52.8
      Total number of prefixes smaller than registry allocations:     73032
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                  17792
          Total APNIC prefixes after maximum aggregation:             10648
      Prefixes being announced from the APNIC address blocks:         16359
          Unique aggregates announced from the APNIC address blocks:   9952
      APNIC Region origin ASes present in the Internet Routing Table:  1456
      APNIC Region origin ASes announcing only one prefix:              480
      APNIC Region transit ASes present in the Internet Routing Table:  253
      Average APNIC Region AS path length visible:                      5.3
          Max APNIC Region AS path length visible:                       15
      Number of APNIC addresses announced to Internet:             80235584
          Equivalent to 4 /8s, 200 /16s and 76 /24s
          Percentage of available APNIC address space announced:       59.3
      
      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:                   73100
          Total ARIN prefixes after maximum aggregation:              47396
      Prefixes being announced from the ARIN address blocks:          51620
          Unique aggregates announced from the ARIN address blocks:   16248
      ARIN Region origin ASes present in the Internet Routing Table:   7494
      ARIN Region origin ASes announcing only one prefix:              2343
      ARIN Region transit ASes present in the Internet Routing Table:   769
      Average ARIN Region AS path length visible:                       5.3
          Max ARIN Region AS path length visible:                        16
      Number of ARIN addresses announced to Internet:             190060100
          Equivalent to 11 /8s, 84 /16s and 22 /24s
          Percentage of available ARIN address space announced:        70.8
      
      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:                   18270
          Total RIPE prefixes after maximum aggregation:              14083
      Prefixes being announced from the RIPE address blocks:          15001
          Unique aggregates announced from the RIPE address blocks:   10014
      RIPE Region origin ASes present in the Internet Routing Table:   3648
      RIPE Region origin ASes announcing only one prefix:              1965
      RIPE Region transit ASes present in the Internet Routing Table:   665
      Average RIPE Region AS path length visible:                       5.9
          Max RIPE Region AS path length visible:                        15
      Number of RIPE addresses announced to Internet:             107107488
          Equivalent to 6 /8s, 98 /16s and 84 /24s
          Percentage of available RIPE address space announced:        70.9
      
      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     1298       1229         959   Telstra Pty Ltd
       4538      457       1162          16   China Education and Research 
       2907      408       1975         371   SINET Japan
        703      397        353         307   UUNET Technologies, Inc. 
       2764      385        360         361   connect.com.au pty ltd
       7474      298        289         203   Optus Communications Pty Ltd
       4755      297        111          86   Videsh Sanchar Nigam Ltd. Aut
       4134      270       1874          98   Data Communications Bureau
       9443      270         44          62   Primus Telecommunications
       9394      263        112           3   CHINA RAILWAY Internet(CRNET)
      17557      228         15          99   Pakistan Telecom
       4766      211       1393         147   Korea Internet Exchange for "
       4804      148         84          68   Microplex PTY LTD
       9768      147        385          89   Korea Telecom
       9583      142         32           5   Satyam Infoway Ltd.,
       7539      134        215         131   TANet2, sponsored by NSC, TAI
       4713      127        914         104   NTT Communications Corporatio
       7657      122         22          85   The Internet Group Limited
       4780      120        186          40   Digital United Inc.
      17676      115       1840          17   XTAGE CORPORATION
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        702     1062       2618         856   UUNET Technologies, Inc. 
       3301      397        924         351   TeliaNet Sweden
       3215      259        570         156   France Telecom / &Equant
       1257      244        487         240   SWIPnet Swedish IP Network
        680      231       2147         230   DFN-IP service G-WiN
       5515      217        713         174   Sonera Finland Autonomous Sys
       5400      201         82          93   Concert European Core Network
       3320      195       1964         171   Deutsche Telekom AG
        786      181       1858         181   The JANET IP Service
        719      164        289         119   LANLINK autonomous system
       8708      161         22         147   Romania Data Systems S.A.
       2856      131        790         120   BTnet UK Regional network
       3303      123        577         123   Swisscom Ltd
      12302      118          7          36   MobiFon S.A.
       3269      117        693          71   TELECOM ITALIA
       8297      114         40          65   Teleglobe Autonomous System i
        517      100        226          98   KPNQwest Germany GmbH
       2874       95        100          35   Global One Services AB
       5511       89        192          78   France Telecom
       5536       89         13          25   Internet Egypt Network
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        701     2176       8501        1518   UUNET Technologies, Inc. 
       7018     1202       7492         903   AT&T 
       3908      849       1660         477   Supernet, Inc. 
          1      824       8103         598   BBN Planet 
       1239      801       3364         623   Sprint 
       4323      644        435         257   Time Warner Communications, I
       7046      644        838         421   UUNET Technologies, Inc. 
        852      618       1119         408   Telus Advanced Communications
        209      536       2007         313   Qwest 
       3549      478        844         242   Global Crossing 
       7132      456        511         165   Southwestern Bell Internet Se
       2914      446       2144         413   Verio, Inc. 
        690      439         67         285   Merit Network 
       7843      382        302          48   Adelphia Corp. 
        705      377        117         267   UUNET Technologies, Inc. 
       2149      368        208         306   Performance Systems, Inc. 
       3741      344        731         235   The Internet Solution 
       2386      334        355         191   AT&T Data Communications Serv
       3561      334       2171         299   Cable & Wireless USA 
       6197      326        214         166   BellSouth Network Solutions, 
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
       4538       457         441      China Education and Research 
       4323       644         387      Time Warner Communications, I
       3908       849         372      Supernet, Inc. 
       1221      1298         339      Telstra Pty Ltd
       7843       382         334      Adelphia Corp. 
       7018      1202         299      AT&T 
       7132       456         291      Southwestern Bell Internet Se
       4151       306         290      USDA 
       6198       307         274      BellSouth Network Solutions, 
      11371       278         272      Rhythms NetConnections 
       9394       263         260      CHINA RAILWAY Internet(CRNET)
       6347       315         237      SAVVIS Communications Corpora
       3549       478         236      Global Crossing 
       7029       244         229      Alltel Information Services, 
          1       824         226      BBN Planet 
       7046       644         223      UUNET Technologies, Inc. 
        209       536         223      Qwest 
       4755       297         211      Videsh Sanchar Nigam Ltd. Aut
        852       618         210      Telus Advanced Communications
       9443       270         208      Primus Telecommunications
      
      List of Unregistered ASNs (Global)
      ----------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
       5757   UNALLOCATED   207.19.224.0/24        701       UUNET Technologies, 
      23309   UNALLOCATED   209.79.154.0/23       2150       California State Uni
      23309   UNALLOCATED   209.79.156.0/23       2150       California State Uni
      23309   UNALLOCATED   209.132.144.0/24      2150       California State Uni
      23309   UNALLOCATED   209.232.36.0/22       2150       California State Uni
      65534   PRIVATE       209.242.165.32/27      195       San Diego Supercompu
      65534   PRIVATE       209.242.166.0/26       195       San Diego Supercompu
      65534   PRIVATE       209.242.166.72/29      195       San Diego Supercompu
      65534   PRIVATE       209.242.166.80/28      195       San Diego Supercompu
      
      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      /12:34      
      /13:88      /14:233     /15:404     /16:7167    /17:1377    /18:2530    
      /19:7351    /20:6858    /21:4854    /22:7425    /23:9095    /24:60760   
      /25:214     /26:257     /27:123     /28:93      /29:93      /30:127     
      /31:0       /32:38      
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
        701     1410          2176      UUNET Technologies, Inc. 
       1221     1154          1298      Telstra Pty Ltd
        702      685          1062      UUNET Technologies, Inc. 
       7018      623          1202      AT&T 
       3908      588           849      Supernet, Inc. 
       4323      515           644      Time Warner Communications, I
       1239      465           801      Sprint 
       7046      459           644      UUNET Technologies, Inc. 
        690      435           439      Merit Network 
          1      429           824      BBN Planet 
        852      375           618      Telus Advanced Communications
        209      351           536      Qwest 
       2764      341           385      connect.com.au pty ltd
       3549      340           478      Global Crossing 
        703      322           397      UUNET Technologies, Inc. 
        705      322           377      UUNET Technologies, Inc. 
       2149      279           368      Performance Systems, Inc. 
       6197      275           326      BellSouth Network Solutions, 
       7066      273           302      Virginia Polytechnic Institut
      11371      272           278      Rhythms NetConnections 
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         3:1         9:1        12:489      13:10       15:1        17:5      
        20:2        24:778      25:1        32:68       38:9        40:6      
        44:1        57:15       61:237      62:175      63:1878     64:1130   
        65:1052     66:735      67:49       68:7        80:208      81:4      
       128:62      129:123     130:23      131:56      132:11      133:3      
       134:127     135:10      136:250     137:101     138:143     139:48     
       140:176     141:62      142:82      143:37      144:151     145:13     
       146:217     147:163     148:148     149:91      150:41      151:48     
       152:346     153:31      154:7       155:89      156:75      157:119    
       158:79      159:116     160:23      161:55      162:140     163:117    
       164:91      165:115     166:223     167:184     168:118     169:49     
       170:272     171:2       189:1       192:5425    193:2189    194:2090   
       195:788     196:432     198:3727    199:3233    200:2368    201:1      
       202:3037    203:4533    204:3317    205:2172    206:2515    207:2618   
       208:2562    209:2791    210:550     211:196     212:891     213:571    
       214:9       215:18      216:2949    217:457     218:21     
      
      End of report
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