[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, 5 Apr 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 05 Apr, 2002
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                            111183
          Prefixes after maximum aggregation:                         72523
          Unique aggregates announced to Internet:                    53862
      Total ASes present in the Internet Routing Table:               12853
      Origin-only ASes present in the Internet Routing Table:         11134
      Origin ASes announcing only one prefix:                          4883
      Transit ASes present in the Internet Routing Table:              1719
      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:                                    17
      Illegal AS announcements present in the Routing Table:             32
      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:                 1163534440
          Equivalent to 69 /8s, 90 /16s and 32 /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:     74810
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                  18347
          Total APNIC prefixes after maximum aggregation:             10814
      Prefixes being announced from the APNIC address blocks:         16820
          Unique aggregates announced from the APNIC address blocks:  10202
      APNIC Region origin ASes present in the Internet Routing Table:  1475
      APNIC Region origin ASes announcing only one prefix:              481
      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:             82542400
          Equivalent to 4 /8s, 235 /16s and 127 /24s
          Percentage of available APNIC address space announced:       61.0
      
      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:                   74236
          Total ARIN prefixes after maximum aggregation:              47491
      Prefixes being announced from the ARIN address blocks:          52525
          Unique aggregates announced from the ARIN address blocks:   17615
      ARIN Region origin ASes present in the Internet Routing Table:   7609
      ARIN Region origin ASes announcing only one prefix:              2399
      ARIN Region transit ASes present in the Internet Routing Table:   764
      Average ARIN Region AS path length visible:                       5.2
          Max ARIN Region AS path length visible:                        16
      Number of ARIN addresses announced to Internet:             183919940
          Equivalent to 10 /8s, 246 /16s and 101 /24s
          Percentage of available ARIN address space announced:        68.5
      
      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:                   18595
          Total RIPE prefixes after maximum aggregation:              14218
      Prefixes being announced from the RIPE address blocks:          15313
          Unique aggregates announced from the RIPE address blocks:   10167
      RIPE Region origin ASes present in the Internet Routing Table:   3713
      RIPE Region origin ASes announcing only one prefix:              2003
      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:                        17
      Number of RIPE addresses announced to Internet:             108544800
          Equivalent to 6 /8s, 120 /16s and 67 /24s
          Percentage of available RIPE address space announced:        71.9
      
      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     1289       1211         946   Telstra Pty Ltd
       4538      470       1194          17   China Education and Research 
       2907      437       1927         371   SINET Japan
        703      420        338         326   UUNET Technologies, Inc. 
       2764      387        361         361   connect.com.au pty ltd
       9394      338        113           4   CHINA RAILWAY Internet(CRNET)
       7474      312        290         211   Optus Communications Pty Ltd
       4755      280        109          78   Videsh Sanchar Nigam Ltd. Aut
       9443      276         44          64   Primus Telecommunications
       4134      273       1986          93   Data Communications Bureau
      17557      255         17         100   Pakistan Telecom
       4766      220       1520         158   Korea Internet Exchange for "
       7539      170        256         163   TANet2, sponsored by NSC, TAI
       4804      160         84          67   Microplex PTY LTD
       9583      149         32           5   Satyam Infoway Ltd.,
       9768      139        385          79   Korea Telecom
       7657      122         22          85   The Internet Group Limited
       4713      119        898         104   NTT Communications Corporatio
      17676      119       1904          12   XTAGE CORPORATION
       4780      114        186          39   Digital United Inc.
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        702     1028       2577         843   UUNET Technologies, Inc. 
       3301      388        923         343   TeliaNet Sweden
       3215      269        582         174   France Telecom / &Equant
       5515      266        760         171   Sonera Finland Autonomous Sys
        680      232       2149         231   DFN-IP service G-WiN
       3320      227       1964         175   Deutsche Telekom AG
       1257      215        463         212   SWIPnet Swedish IP Network
       5400      196         83          93   Concert European Core Network
        786      182       1874         182   The JANET IP Service
        719      163        289         118   LANLINK autonomous system
       8708      158         23         148   Romania Data Systems S.A.
       2856      128        786         117   BTnet UK Regional network
      12302      127          8          47   MobiFon S.A.
       3303      123        564         122   Swisscom Ltd
       8297      121         53          66   Teleglobe Autonomous System i
       3269      117        694          71   TELECOM ITALIA
       5536      107         11          27   Internet Egypt Network
       5511      103        193          91   France Telecom
        517      101        226          97   KPNQwest Germany GmbH
       9051      101          6          25   INCONET Autonomous System
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        701     2077       8538        1456   UUNET Technologies, Inc. 
       7018     1230       7512         920   AT&T 
       3908      849       1676         479   Supernet, Inc. 
       1239      822       3390         645   Sprint 
          1      804       8138         605   BBN Planet 
       4323      628        436         253   Time Warner Communications, I
        852      625       1111         412   Telus Advanced Communications
       7046      601        837         370   UUNET Technologies, Inc. 
        209      562       1997         321   Qwest 
        705      541        152         279   UUNET Technologies, Inc. 
       7132      525        555         162   Southwestern Bell Internet Se
       3549      519        861         269   Global Crossing 
        690      455         68         300   Merit Network 
       7843      430        314          50   Adelphia Corp. 
       2914      413       2162         409   Verio, Inc. 
       7066      362        203         250   Virginia Polytechnic Institut
       2149      355        207         296   Performance Systems, Inc. 
       3741      342        731         235   The Internet Solution 
       6197      332        217         173   BellSouth Network Solutions, 
       3561      317       2152         285   Cable & Wireless USA 
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
       4538       470         453      China Education and Research 
       7843       430         380      Adelphia Corp. 
       4323       628         375      Time Warner Communications, I
       3908       849         370      Supernet, Inc. 
       7132       525         363      Southwestern Bell Internet Se
       1221      1289         343      Telstra Pty Ltd
       9394       338         334      CHINA RAILWAY Internet(CRNET)
       7018      1230         310      AT&T 
       4151       307         291      USDA 
      11371       294         288      Rhythms NetConnections 
       6198       311         280      BellSouth Network Solutions, 
       4565       311         277      Epoch Networks 
        705       541         262      UUNET Technologies, Inc. 
       3549       519         250      Global Crossing 
        209       562         241      Qwest 
       6347       317         238      SAVVIS Communications Corpora
       7046       601         231      UUNET Technologies, Inc. 
       7029       243         228      Alltel Information Services, 
       4355       250         214      EarthLink, Inc. 
        852       625         213      Telus Advanced Communications
      
      List of Unregistered ASNs (Global)
      ----------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
      23522   UNALLOCATED   63.144.122.0/24        209       Qwest 
      23522   UNALLOCATED   63.145.151.0/24        209       Qwest 
      23522   UNALLOCATED   63.147.197.0/24        209       Qwest 
      23522   UNALLOCATED   63.149.31.0/24         209       Qwest 
      23522   UNALLOCATED   63.149.35.0/24         209       Qwest 
      23522   UNALLOCATED   63.151.165.0/24        209       Qwest 
      23522   UNALLOCATED   63.151.166.0/24        209       Qwest 
      23522   UNALLOCATED   63.151.206.0/24        209       Qwest 
      23279   UNALLOCATED   63.238.4.0/24          209       Qwest 
      23522   UNALLOCATED   63.239.198.0/24        209       Qwest 
      23522   UNALLOCATED   65.116.88.0/24         209       Qwest 
      23522   UNALLOCATED   65.116.89.0/24         209       Qwest 
      23522   UNALLOCATED   65.116.90.0/24         209       Qwest 
      23522   UNALLOCATED   65.116.91.0/24         209       Qwest 
      23522   UNALLOCATED   65.116.92.0/24         209       Qwest 
      23522   UNALLOCATED   65.116.93.0/24         209       Qwest 
      23522   UNALLOCATED   65.116.94.0/24         209       Qwest 
      23522   UNALLOCATED   65.116.95.0/24         209       Qwest 
      23522   UNALLOCATED   65.117.175.0/24        209       Qwest 
      23522   UNALLOCATED   66.252.0.0/20          209       Qwest 
      23522   UNALLOCATED   66.252.15.0/24         209       Qwest 
      65005   PRIVATE       152.70.0.0/16           90       Sun Microsystems, In
        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, 
      23522   UNALLOCATED   216.111.191.0/24       209       Qwest 
      23522   UNALLOCATED   216.111.239.0/24       209       Qwest 
      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. 
      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 
      164.235.0.0/16        6025     US DOD NIC Unregistered
      
      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      /14:233     /15:401     /16:7207    /17:1404    /18:2564    
      /19:7425    /20:6889    /21:4964    /22:7624    /23:9188    /24:62083   
      /25:227     /26:288     /27:119     /28:116     /29:122     /30:125     
      /31:0       /32:36      
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
        701     1333          2077      UUNET Technologies, Inc. 
       1221     1148          1289      Telstra Pty Ltd
        702      656          1028      UUNET Technologies, Inc. 
       7018      645          1230      AT&T 
       3908      580           849      Supernet, Inc. 
       4323      496           628      Time Warner Communications, I
        705      474           541      UUNET Technologies, Inc. 
       1239      474           822      Sprint 
        690      447           455      Merit Network 
       7046      414           601      UUNET Technologies, Inc. 
          1      397           804      BBN Planet 
        852      381           625      Telus Advanced Communications
       3549      377           519      Global Crossing 
        209      370           562      Qwest 
       2764      342           387      connect.com.au pty ltd
        703      337           420      UUNET Technologies, Inc. 
       7066      333           362      Virginia Polytechnic Institut
       9394      324           338      CHINA RAILWAY Internet(CRNET)
      11371      288           294      Rhythms NetConnections 
       4565      286           311      Epoch Networks 
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         3:1         9:1        12:492      13:10       15:2        17:6      
        20:2        24:774      25:1        32:68       38:8        40:6      
        44:1        57:14       61:305      62:180      63:1910     64:1195   
        65:1135     66:805      67:205      68:5        80:228      81:10     
       128:64      129:131     130:22      131:57      132:12      133:3      
       134:129     135:10      136:288     137:103     138:137     139:49     
       140:187     141:114     142:82      143:38      144:137     145:13     
       146:220     147:137     148:160     149:92      150:40      151:45     
       152:308     153:33      154:1       155:105     156:76      157:122    
       158:72      159:124     160:42      161:56      162:141     163:104    
       164:158     165:126     166:219     167:187     168:100     169:52     
       170:289     171:2       192:5456    193:2266    194:2095    195:807    
       196:430     198:3737    199:3222    200:2387    202:3153    203:4574   
       204:3241    205:2179    206:2620    207:2671    208:2568    209:2821   
       210:583     211:204     212:883     213:617     214:9       215:18     
       216:3114    217:462     218:15     
      
      End of report
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