[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, 15 Feb 2002 20:04:38 +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 15 Feb, 2002
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                            107865
          Prefixes after maximum aggregation:                         71870
          Unique aggregates announced to Internet:                    51605
      Total ASes present in the Internet Routing Table:               12551
      Origin-only ASes present in the Internet Routing Table:         10860
      Origin ASes announcing only one prefix:                          4759
      Transit ASes present in the Internet Routing Table:              1691
      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:                                    19
      Illegal AS announcements present in the Routing Table:              2
      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:                 1172878088
          Equivalent to 69 /8s, 232 /16s and 179 /24s
          Percentage of available address space announced:             31.6
          Percentage of allocated address space announced:             59.9
          Percentage of available address space allocated:             52.8
      Total number of prefixes smaller than registry allocations:     71809
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                  17369
          Total APNIC prefixes after maximum aggregation:             10575
      Prefixes being announced from the APNIC address blocks:         15870
          Unique aggregates announced from the APNIC address blocks:   9270
      APNIC Region origin ASes present in the Internet Routing Table:  1446
      APNIC Region origin ASes announcing only one prefix:              480
      APNIC Region transit ASes present in the Internet Routing Table:  254
      Average APNIC Region AS path length visible:                      5.3
          Max APNIC Region AS path length visible:                       15
      Number of APNIC addresses announced to Internet:             83565888
          Equivalent to 4 /8s, 251 /16s and 29 /24s
          Percentage of available APNIC address space announced:       61.8
      
      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:                   72603
          Total ARIN prefixes after maximum aggregation:              47272
      Prefixes being announced from the ARIN address blocks:          51295
          Unique aggregates announced from the ARIN address blocks:   17275
      ARIN Region origin ASes present in the Internet Routing Table:   7429
      ARIN Region origin ASes announcing only one prefix:              2313
      ARIN Region transit ASes present in the Internet Routing Table:   768
      Average ARIN Region AS path length visible:                       5.2
          Max ARIN Region AS path length visible:                        16
      Number of ARIN addresses announced to Internet:             186573124
          Equivalent to 11 /8s, 30 /16s and 225 /24s
          Percentage of available ARIN address space announced:        69.5
      
      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:                   17893
          Total RIPE prefixes after maximum aggregation:              14023
      Prefixes being announced from the RIPE address blocks:          14698
          Unique aggregates announced from the RIPE address blocks:    9419
      RIPE Region origin ASes present in the Internet Routing Table:   3620
      RIPE Region origin ASes announcing only one prefix:              1966
      RIPE Region transit ASes present in the Internet Routing Table:   655
      Average RIPE Region AS path length visible:                       5.8
          Max RIPE Region AS path length visible:                        19
      Number of RIPE addresses announced to Internet:             110064128
          Equivalent to 6 /8s, 143 /16s and 114 /24s
          Percentage of available RIPE address space announced:        72.9
      
      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     1314       1258         959   Telstra Pty Ltd
       4538      454       1162          16   China Education and Research 
        703      403        359         309   UUNET Technologies, Inc. 
       2907      399       1942         366   SINET Japan
       2764      389        361         364   connect.com.au pty ltd
       7474      300        289         203   Optus Communications Pty Ltd
       4134      270       1874          98   Data Communications Bureau
       4755      265        111          82   Videsh Sanchar Nigam Ltd. Aut
       9394      243        112           3   CHINA RAILWAY Internet(CRNET)
       4766      205       1393         145   Korea Internet Exchange for "
       7539      161        204         155   TANet2, sponsored by NSC, TAI
       9443      157         44          58   Primus Telecommunications
       9768      146        385          88   Korea Telecom
       4804      144         84          68   Microplex PTY LTD
       9583      134         32           5   Satyam Infoway Ltd.,
       7657      122         22          85   The Internet Group Limited
       4713      117        914         103   NTT Communications Corporatio
       4780      115        186          40   Digital United Inc.
       9800      115       4231          13   CHINA UNICOM
      17676      115       1840          17   XTAGE CORPORATION
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        702     1073       2617         860   UUNET Technologies, Inc. 
       3301      398        924         351   TeliaNet Sweden
       1257      256        487         247   SWIPnet Swedish IP Network
       3215      242        570         156   France Telecom / &Equant
        680      232       2147         230   DFN-IP service G-WiN
       5515      214        689         172   Sonera Finland Autonomous Sys
       5400      200         83          95   Concert European Core Network
       3320      196       1964         172   Deutsche Telekom AG
        786      182       1874         182   The JANET IP Service
        719      167        305         121   LANLINK autonomous system
       8708      155         21         144   Romania Data Systems S.A.
       2856      130        790         119   BTnet UK Regional network
       3303      123        577         123   Swisscom Ltd
       3269      117        693          71   TELECOM ITALIA
      12302      115          7          36   MobiFon S.A.
       8297      114         40          64   Teleglobe Autonomous System i
        517      100        226          98   KPNQwest Germany GmbH
       5511       94        193          83   France Telecom
       1267       91       1471          41   Infostrada S.p.A.
       2830       89        210          71   UUNET Dual-Homed customers
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        701     2105       8429        1502   UUNET Technologies, Inc. 
       7018     1230       7498         929   AT&T 
       3908      828       1676         479   Supernet, Inc. 
          1      827       8103         599   BBN Planet 
       1239      806       3340         622   Sprint 
       4323      648        433         243   Time Warner Communications, I
        852      615       1125         407   Telus Advanced Communications
       7046      612        849         413   UUNET Technologies, Inc. 
        209      535       1908         305   Qwest 
       7132      456        510         164   Southwestern Bell Internet Se
       2914      452       2193         420   Verio, Inc. 
       3549      438        821         224   Global Crossing 
        690      437         66         283   Merit Network 
        705      383        114         271   UUNET Technologies, Inc. 
       2149      374        209         313   Performance Systems, Inc. 
       3561      365       2220         320   Cable & Wireless USA 
        577      353        588         219   Bell Advanced Communications 
       7843      349        290          50   Adelphia Corp. 
       3741      344        730         235   The Internet Solution 
       2386      333        355         191   AT&T Data Communications Serv
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
       4538       454         438      China Education and Research 
       4323       648         405      Time Warner Communications, I
       1221      1314         355      Telstra Pty Ltd
       3908       828         349      Supernet, Inc. 
       7018      1230         301      AT&T 
       7843       349         299      Adelphia Corp. 
       7132       456         292      Southwestern Bell Internet Se
       4151       304         288      USDA 
      11371       278         271      Rhythms NetConnections 
       9394       243         240      CHINA RAILWAY Internet(CRNET)
       6347       316         238      SAVVIS Communications Corpora
        209       535         230      Qwest 
          1       827         228      BBN Planet 
       3549       438         214      Global Crossing 
        702      1073         213      UUNET Technologies, Inc. 
        852       615         208      Telus Advanced Communications
       4355       244         205      EarthLink, Inc. 
       6198       301         204      BellSouth Network Solutions, 
       1580       211         200      HQ, 5th Signal Command 
       7046       612         199      UUNET Technologies, Inc. 
      
      List of Unregistered ASNs (Global)
      ----------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
       1877   UNALLOCATED   192.108.201.0/24      1880       Stupi, house man's p
       5757   UNALLOCATED   207.19.224.0/24        701       UUNET Technologies, 
      
      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        /8:20       /9:6       /10:7       /11:12      /12:37      
      /13:91      /14:231     /15:394     /16:7146    /17:1430    /18:2506    
      /19:7380    /20:6738    /21:4794    /22:7273    /23:8918    /24:59954   
      /25:220     /26:251     /27:121     /28:85      /29:85      /30:125     
      /31:0       /32:41      
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
        701     1354          2105      UUNET Technologies, Inc. 
       1221     1168          1314      Telstra Pty Ltd
        702      698          1073      UUNET Technologies, Inc. 
       7018      644          1230      AT&T 
       3908      582           828      Supernet, Inc. 
       4323      529           648      Time Warner Communications, I
       1239      476           806      Sprint 
       7046      437           612      UUNET Technologies, Inc. 
        690      433           437      Merit Network 
          1      426           827      BBN Planet 
        852      374           615      Telus Advanced Communications
        209      356           535      Qwest 
       2764      345           389      connect.com.au pty ltd
        705      330           383      UUNET Technologies, Inc. 
        703      327           403      UUNET Technologies, Inc. 
       3549      306           438      Global Crossing 
       2149      283           374      Performance Systems, Inc. 
       6197      275           328      BellSouth Network Solutions, 
       7066      275           304      Virginia Polytechnic Institut
      11371      272           278      Rhythms NetConnections 
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:1         9:1        12:482      13:10       15:1        17:5      
        20:5        24:750      25:1        32:68       38:9        40:6      
        44:1        57:14       61:227      62:170      63:1886     64:1109   
        65:1031     66:695      67:33       68:5        80:188      81:4      
       128:63      129:120     130:21      131:57      132:11      133:3      
       134:128     135:10      136:245     137:106     138:148     139:47     
       140:162     141:61      142:67      143:37      144:155     145:12     
       146:217     147:154     148:146     149:91      150:40      151:45     
       152:302     153:32      154:7       155:83      156:77      157:82     
       158:81      159:88      160:24      161:54      162:102     163:114    
       164:94      165:124     166:222     167:168     168:114     169:49     
       170:292     171:2       192:5423    193:2116    194:2010    195:784    
       196:445     198:3736    199:3239    200:2319    201:1       202:2889   
       203:4436    204:3312    205:2163    206:2534    207:2619    208:2574   
       209:2829    210:531     211:158     212:882     213:558     214:9      
       215:18      216:2962    217:438     218:10     
      
      End of report
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