[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, 17 May 2002 20:05:04 +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 17 May, 2002
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                            112248
          Prefixes after maximum aggregation:                         73217
          Unique aggregates announced to Internet:                    52555
      Total ASes present in the Internet Routing Table:               13075
      Origin-only ASes present in the Internet Routing Table:         11335
      Origin ASes announcing only one prefix:                          4978
      Transit ASes present in the Internet Routing Table:              1740
      Transit-only ASes present in the Internet Routing Table:           49
      Average AS path length visible in the Internet Routing Table:     5.4
          Max AS path length visible:                                    17
      Illegal AS announcements present in the Routing Table:             11
      Non-routable prefixes present in the Routing Table:                 1
      Prefixes being announced from the IANA Reserved Address blocks:    40
      Number of addresses announced to Internet:                 1179664060
          Equivalent to 70 /8s, 80 /16s and 62 /24s
          Percentage of available address space announced:             31.8
          Percentage of allocated address space announced:             59.3
          Percentage of available address space allocated:             53.7
      Total number of prefixes smaller than registry allocations:     45313
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                  18016
          Total APNIC prefixes after maximum aggregation:             10886
      Prefixes being announced from the APNIC address blocks:         16528
          Unique aggregates announced from the APNIC address blocks:  10235
      APNIC Region origin ASes present in the Internet Routing Table:  1510
      APNIC Region origin ASes announcing only one prefix:              497
      APNIC Region transit ASes present in the Internet Routing Table:  270
      Average APNIC Region AS path length visible:                      5.3
          Max APNIC Region AS path length visible:                       17
      Number of APNIC addresses announced to Internet:             84693696
          Equivalent to 5 /8s, 12 /16s and 82 /24s
          Percentage of available APNIC address space announced:       62.6
      
      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:                   75420
          Total ARIN prefixes after maximum aggregation:              47997
      Prefixes being announced from the ARIN address blocks:          53719
          Unique aggregates announced from the ARIN address blocks:   16805
      ARIN Region origin ASes present in the Internet Routing Table:   7725
      ARIN Region origin ASes announcing only one prefix:              2446
      ARIN Region transit ASes present in the Internet Routing Table:   754
      Average ARIN Region AS path length visible:                       5.3
          Max ARIN Region AS path length visible:                        16
      Number of ARIN addresses announced to Internet:             192265156
          Equivalent to 11 /8s, 117 /16s and 187 /24s
          Percentage of available ARIN address space announced:        71.6
      
      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
                             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:                   18812
          Total RIPE prefixes after maximum aggregation:              14334
      Prefixes being announced from the RIPE address blocks:          15512
          Unique aggregates announced from the RIPE address blocks:    9747
      RIPE Region origin ASes present in the Internet Routing Table:   3791
      RIPE Region origin ASes announcing only one prefix:              2035
      RIPE Region transit ASes present in the Internet Routing Table:   699
      Average RIPE Region AS path length visible:                       5.9
          Max RIPE Region AS path length visible:                        17
      Number of RIPE addresses announced to Internet:             114854192
          Equivalent to 6 /8s, 216 /16s and 137 /24s
          Percentage of available RIPE address space announced:        76.1
      
      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     1270       1223         914   Telstra Pty Ltd
       4538      478       1194          17   China Education and Research 
       2907      432       1910         373   SINET Japan
        703      403        337         324   UUNET Technologies, Inc. 
       2764      396        360         363   connect.com.au pty ltd
       7474      308        291         206   Optus Communications Pty Ltd
       4134      281       2068          95   Data Communications Bureau
      17557      270         18         108   Pakistan Telecom
       4755      265        109          75   Videsh Sanchar Nigam Ltd. Aut
       9443      253         44          59   Primus Telecommunications
       4766      224       1518         156   Korea Internet Exchange for "
       9583      177         32           5   Satyam Infoway Ltd.,
       7539      152        218         146   TANet2, sponsored by NSC, TAI
       9768      146        386          80   Korea Telecom
       7657      131         22          87   The Internet Group Limited
       4814      127         66          13   China Telecom (Group) - Beiji
      17676      125       1954          10   XTAGE CORPORATION
       4780      118        186          39   Digital United Inc.
       4713      114        993         105   NTT Communications Corporatio
       9800      114        186          22   CHINA UNICOM
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        702     1035       2607         853   UUNET Technologies, Inc. 
       3301      394        908         346   TeliaNet Sweden
       5515      268        776         176   Sonera Finland Autonomous Sys
       3215      264        597         164   France Telecom / &Equant
        680      231       2149         230   DFN-IP service G-WiN
       3320      231       1947         178   Deutsche Telekom AG
       1257      208        430         205   SWIPnet Swedish IP Network
       5400      200         83          95   Concert European Core Network
        786      182       1874         182   The JANET IP Service
        719      168        289         120   LANLINK autonomous system
       8708      141         22         136   Romania Data Systems S.A.
      12302      131          9          49   MobiFon S.A.
       2856      126        786         116   BTnet UK Regional network
       3303      117        546         115   Swisscom Ltd
       8297      116       4137          62   Teleglobe Autonomous System i
       3269      115        694          71   TELECOM ITALIA
       5511      111        191          92   France Telecom
        517      101        226          97   KPNQwest Germany GmbH
       2830      100        244          76   UUNET Dual-Homed customers
       2874       97         84          37   Global One Services AB
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        701     2089       8380        1458   UUNET Technologies, Inc. 
       7018     1293       7558         936   AT&T 
       3908      883       1644         486   Supernet, Inc. 
       1239      828       3412         669   Sprint 
          1      813       8185         459   BBN Planet 
       7046      690        872         476   UUNET Technologies, Inc. 
        852      664       1132         422   Telus Advanced Communications
       4323      632        436         257   Time Warner Communications, I
        209      583       1967         325   Qwest 
       7132      568        606         136   Southwestern Bell Internet Se
        690      564         82         366   Merit Network 
       3549      515        854         320   Global Crossing 
       7843      503        364          57   Adelphia Corp. 
       7066      473        202         248   Virginia Polytechnic Institut
       2914      399       2110         390   Verio, Inc. 
        705      373        100         265   UUNET Technologies, Inc. 
       3741      344        731         236   The Internet Solution 
       4293      342         84         265   Cable & Wireless USA 
       2149      341        191         283   Performance Systems, Inc. 
       6197      341        260         164   BellSouth Network Solutions, 
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
       4538       478         461      China Education and Research 
       7843       503         446      Adelphia Corp. 
       7132       568         432      Southwestern Bell Internet Se
       3908       883         397      Supernet, Inc. 
       4323       632         375      Time Warner Communications, I
       7018      1293         357      AT&T 
       1221      1270         356      Telstra Pty Ltd
          1       813         354      BBN Planet 
      11371       292         286      Rhythms NetConnections 
       4151       300         284      USDA 
        209       583         258      Qwest 
       6347       337         258      SAVVIS Communications Corpora
       7029       261         246      Alltel Information Services, 
        852       664         242      Telus Advanced Communications
       4355       276         238      EarthLink, Inc. 
       7066       473         225      Virginia Polytechnic Institut
       7046       690         214      UUNET Technologies, Inc. 
       6198       313         209      BellSouth Network Solutions, 
       6517       240         206      Yipes Communications, Inc. 
      18566       209         205      Covad Communications 
      
      List of Unregistered ASNs (Global)
      ----------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
      18189   UNALLOCATED   202.59.196.0/24        703       UUNET Technologies, 
       5757   UNALLOCATED   207.19.224.0/24        701       UUNET Technologies, 
      25810   UNALLOCATED   209.242.165.32/27      195       San Diego Supercompu
      25810   UNALLOCATED   209.242.165.128/25     195       San Diego Supercompu
      25810   UNALLOCATED   209.242.166.0/26       195       San Diego Supercompu
      25810   UNALLOCATED   209.242.166.72/29      195       San Diego Supercompu
      25810   UNALLOCATED   209.242.166.80/28      195       San Diego Supercompu
      25810   UNALLOCATED   209.242.166.96/29      195       San Diego Supercompu
      25810   UNALLOCATED   209.242.166.112/28     195       San Diego Supercompu
      25810   UNALLOCATED   209.242.166.128/29     195       San Diego Supercompu
      25810   UNALLOCATED   209.242.166.160/27     195       San Diego Supercompu
      
      Prefixes from private and non-routed address space (Global)
      -----------------------------------------------------------
      
      Prefix             Origin AS  Description
      192.0.2.0/24          1103     SURFnet BV
      
      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 
      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.
      192.83.14.0/24        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       /9:6       /10:7       /11:13      /12:32      
      /13:85      /14:232     /15:407     /16:7200    /17:1442    /18:2569    
      /19:7517    /20:7112    /21:5054    /22:7740    /23:9388    /24:62606   
      /25:215     /26:188     /27:89      /28:98      /29:46      /30:113     
      /31:0       /32:69      
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
        701      658          2089      UUNET Technologies, Inc. 
        702      643          1035      UUNET Technologies, Inc. 
       3908      472           883      Supernet, Inc. 
        690      455           564      Merit Network 
       7066      378           473      Virginia Polytechnic Institut
       7018      336          1293      AT&T 
       7046      321           690      UUNET Technologies, Inc. 
       7843      293           503      Adelphia Corp. 
        209      267           583      Qwest 
          1      251           813      BBN Planet 
       7029      246           261      Alltel Information Services, 
       6197      245           341      BellSouth Network Solutions, 
      11371      245           292      Rhythms NetConnections 
       3301      237           394      TeliaNet Sweden
       6198      231           313      BellSouth Network Solutions, 
       4293      220           342      Cable & Wireless USA 
       6517      218           240      Yipes Communications, Inc. 
       3549      216           515      Global Crossing 
       1239      215           828      Sprint 
      18566      205           209      Covad Communications 
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:3         9:1        12:508      13:10       15:2        17:7      
        20:2        24:768      25:1        32:40       38:8        40:6      
        44:1        57:13       61:219      62:202      63:1973     64:1197   
        65:1388     66:916      67:77       68:12       80:231      81:27     
       128:59      129:133     130:23      131:47      132:13      133:3      
       134:120     135:9       136:254     137:93      138:150     139:56     
       140:181     141:120     142:78      143:38      144:148     145:11     
       146:178     147:134     148:168     149:94      150:40      151:60     
       152:269     153:33      154:3       155:99      156:74      157:127    
       158:69      159:127     160:18      161:64      162:147     163:101    
       164:271     165:141     166:229     167:171     168:124     169:57     
       170:338     171:2       192:5441    193:2305    194:2108    195:797    
       196:410     198:3694    199:3243    200:2517    202:3135    203:4559   
       204:3270    205:2178    206:2618    207:2668    208:2817    209:2719   
       210:593     211:223     212:879     213:622     214:9       215:18     
       216:3023    217:457     218:17     
      
      End of report
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