[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, 3 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 03 May, 2002
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                            111873
          Prefixes after maximum aggregation:                         72897
          Unique aggregates announced to Internet:                    53102
      Total ASes present in the Internet Routing Table:               13028
      Origin-only ASes present in the Internet Routing Table:         11298
      Origin ASes announcing only one prefix:                          4965
      Transit ASes present in the Internet Routing Table:              1730
      Transit-only ASes present in the Internet Routing Table:           47
      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:              4
      Non-routable prefixes present in the Routing Table:                 0
      Prefixes being announced from the IANA Reserved Address blocks:    43
      Number of addresses announced to Internet:                 1188794684
          Equivalent to 70 /8s, 219 /16s and 145 /24s
          Percentage of available address space announced:             32.1
          Percentage of allocated address space announced:             59.8
          Percentage of available address space allocated:             53.7
      Total number of prefixes smaller than registry allocations:     45077
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                  18140
          Total APNIC prefixes after maximum aggregation:             10897
      Prefixes being announced from the APNIC address blocks:         16645
          Unique aggregates announced from the APNIC address blocks:  10272
      APNIC Region origin ASes present in the Internet Routing Table:  1503
      APNIC Region origin ASes announcing only one prefix:              493
      APNIC Region transit ASes present in the Internet Routing Table:  269
      Average APNIC Region AS path length visible:                      5.3
          Max APNIC Region AS path length visible:                       17
      Number of APNIC addresses announced to Internet:             84391488
          Equivalent to 5 /8s, 7 /16s and 182 /24s
          Percentage of available APNIC address space announced:       62.4
      
      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:                   74929
          Total ARIN prefixes after maximum aggregation:              47684
      Prefixes being announced from the ARIN address blocks:          53032
          Unique aggregates announced from the ARIN address blocks:   16682
      ARIN Region origin ASes present in the Internet Routing Table:   7694
      ARIN Region origin ASes announcing only one prefix:              2430
      ARIN Region transit ASes present in the Internet Routing Table:   752
      Average ARIN Region AS path length visible:                       5.2
          Max ARIN Region AS path length visible:                        16
      Number of ARIN addresses announced to Internet:             191550660
          Equivalent to 11 /8s, 106 /16s and 212 /24s
          Percentage of available ARIN address space announced:        71.4
      
      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:                   18804
          Total RIPE prefixes after maximum aggregation:              14316
      Prefixes being announced from the RIPE address blocks:          15483
          Unique aggregates announced from the RIPE address blocks:   10336
      RIPE Region origin ASes present in the Internet Routing Table:   3784
      RIPE Region origin ASes announcing only one prefix:              2042
      RIPE Region transit ASes present in the Internet Routing Table:   692
      Average RIPE Region AS path length visible:                       5.9
          Max RIPE Region AS path length visible:                        15
      Number of RIPE addresses announced to Internet:             108931888
          Equivalent to 6 /8s, 126 /16s and 43 /24s
          Percentage of available RIPE address space announced:        72.1
      
      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     1277       1210         941   Telstra Pty Ltd
       4538      477       1194          17   China Education and Research 
       2907      434       1878         371   SINET Japan
        703      410        336         327   UUNET Technologies, Inc. 
       2764      397        362         364   connect.com.au pty ltd
       7474      307        291         209   Optus Communications Pty Ltd
       4134      280       2036          94   Data Communications Bureau
       9443      274         44          63   Primus Telecommunications
      17557      269         18         108   Pakistan Telecom
       4755      248        109          74   Videsh Sanchar Nigam Ltd. Aut
       4766      221       1518         158   Korea Internet Exchange for "
       9583      169         32           5   Satyam Infoway Ltd.,
       4804      167         92          66   Microplex PTY LTD
       7539      165        238         159   TANet2, sponsored by NSC, TAI
       9768      146        386          80   Korea Telecom
       7657      126         22          89   The Internet Group Limited
       4814      125         64           5   China Telecom (Group) - Beiji
      17676      122       1952           9   XTAGE CORPORATION
       4713      115        993         106   NTT Communications Corporatio
       4780      113        186          39   Digital United Inc.
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        702     1037       2580         851   UUNET Technologies, Inc. 
       3301      394        924         346   TeliaNet Sweden
       5515      275        761         173   Sonera Finland Autonomous Sys
       3215      264        597         164   France Telecom / &Equant
        680      231       2149         230   DFN-IP service G-WiN
       3320      230       1947         177   Deutsche Telekom AG
       1257      210        462         207   SWIPnet Swedish IP Network
       5400      198         82          93   Concert European Core Network
        786      182       1874         182   The JANET IP Service
       8708      143         22         137   Romania Data Systems S.A.
        719      136        270          96   LANLINK autonomous system
      12302      130          9          49   MobiFon S.A.
       2856      126        786         116   BTnet UK Regional network
       8297      122         53          67   Teleglobe Autonomous System i
       3303      117        546         116   Swisscom Ltd
       3269      116        694          71   TELECOM ITALIA
       5536      107          9          39   Internet Egypt Network
       2118      106        109          20   EUnet/RELCOM Autonomous Syste
       5511      106        191          93   France Telecom
        517      101        226          97   KPNQwest Germany GmbH
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        701     2055       8409        1469   UUNET Technologies, Inc. 
       7018     1280       7524         935   AT&T 
       3908      874       1661         486   Supernet, Inc. 
       1239      824       3389         661   Sprint 
          1      812       8188         456   BBN Planet 
       7046      808        877         582   UUNET Technologies, Inc. 
        852      662       1148         421   Telus Advanced Communications
       4323      632        436         256   Time Warner Communications, I
        209      583       1984         321   Qwest 
       7132      569        604         140   Southwestern Bell Internet Se
       3549      519        856         321   Global Crossing 
        690      493         71         312   Merit Network 
       7066      473        202         248   Virginia Polytechnic Institut
       7843      456        349          48   Adelphia Corp. 
       2914      417       2145         404   Verio, Inc. 
        705      377        100         268   UUNET Technologies, Inc. 
       2149      346        191         288   Performance Systems, Inc. 
       6197      346        342         135   BellSouth Network Solutions, 
       3741      344        731         236   The Internet Solution 
       6347      336        370          81   SAVVIS Communications Corpora
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
       4538       477         460      China Education and Research 
       7132       569         429      Southwestern Bell Internet Se
       7843       456         408      Adelphia Corp. 
       3908       874         388      Supernet, Inc. 
       4323       632         376      Time Warner Communications, I
          1       812         356      BBN Planet 
       7018      1280         345      AT&T 
       1221      1277         336      Telstra Pty Ltd
       4151       304         288      USDA 
      11371       292         286      Rhythms NetConnections 
        209       583         262      Qwest 
       6347       336         255      SAVVIS Communications Corpora
       7029       262         247      Alltel Information Services, 
        852       662         241      Telus Advanced Communications
       7046       808         226      UUNET Technologies, Inc. 
       7066       473         225      Virginia Polytechnic Institut
       4355       259         223      EarthLink, Inc. 
       6197       346         211      BellSouth Network Solutions, 
       9443       274         211      Primus Telecommunications
       6517       244         210      Yipes Communications, Inc. 
      
      List of Unregistered ASNs (Global)
      ----------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
      25707   UNALLOCATED   63.167.148.0/24       7018       AT&T 
        112   UNALLOCATED   192.175.48.0/24       7500       A Root DNS Server in
       5757   UNALLOCATED   207.19.224.0/24        701       UUNET Technologies, 
      25733   UNALLOCATED   208.33.184.0/22       1239       Sprint 
      
      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.
      192.83.1.0/24         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       /9:8       /10:7       /11:13      /12:32      
      /13:85      /14:231     /15:404     /16:7186    /17:1426    /18:2605    
      /19:7491    /20:7070    /21:5029    /22:7729    /23:9367    /24:62392   
      /25:224     /26:194     /27:86      /28:92      /29:53      /30:92      
      /31:0       /32:37      
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
        702      648          1037      UUNET Technologies, Inc. 
        701      612          2055      UUNET Technologies, Inc. 
       3908      453           874      Supernet, Inc. 
       7046      435           808      UUNET Technologies, Inc. 
        690      432           493      Merit Network 
       7066      381           473      Virginia Polytechnic Institut
       7018      331          1280      AT&T 
        209      275           583      Qwest 
       7843      267           456      Adelphia Corp. 
       7029      247           262      Alltel Information Services, 
       6197      246           346      BellSouth Network Solutions, 
      11371      245           292      Rhythms NetConnections 
          1      243           812      BBN Planet 
       3301      236           394      TeliaNet Sweden
       6198      228           304      BellSouth Network Solutions, 
       6517      222           244      Yipes Communications, Inc. 
       3549      219           519      Global Crossing 
       1239      213           824      Sprint 
       1580      202           214      HQ, 5th Signal Command 
       3215      199           264      France Telecom / &Equant
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         3:2         4:2         9:1        12:497      13:10       15:2      
        17:7        20:2        24:760      25:1        32:67       38:8      
        40:6        44:1        57:13       61:202      62:197      63:2087   
        64:1212     65:1284     66:881      67:68       68:9        80:239    
        81:17      128:59      129:133     130:23      131:47      132:12     
       133:3       134:121     135:9       136:313     137:93      138:149    
       139:49      140:186     141:119     142:80      143:38      144:149    
       145:12      146:225     147:135     148:163     149:92      150:41     
       151:60      152:308     153:33      154:3       155:99      156:76     
       157:125     158:69      159:130     160:24      161:56      162:151    
       163:103     164:271     165:124     166:224     167:170     168:122    
       169:54      170:302     171:2       192:5449    193:2309    194:2126   
       195:830     196:438     198:3737    199:3208    200:2435    202:3163   
       203:4535    204:3281    205:2164    206:2564    207:2647    208:2602   
       209:2718    210:654     211:212     212:874     213:597     214:9      
       215:18      216:3012    217:458     218:20     
      
      End of report
      *             APOPS: Asia Pacific Operations Forum              *
      * To unsubscribe: send "unsubscribe" to apops-request at apnic dot net *