[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, 8 Mar 2002 20:05:07 +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 08 Mar, 2002
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                            109552
          Prefixes after maximum aggregation:                         72183
          Unique aggregates announced to Internet:                    51996
      Total ASes present in the Internet Routing Table:               12692
      Origin-only ASes present in the Internet Routing Table:         10991
      Origin ASes announcing only one prefix:                          4803
      Transit ASes present in the Internet Routing Table:              1701
      Transit-only ASes present in the Internet Routing Table:           56
      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:              7
      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:                 1167658920
          Equivalent to 69 /8s, 153 /16s and 15 /24s
          Percentage of available address space announced:             31.5
          Percentage of allocated address space announced:             59.6
          Percentage of available address space allocated:             52.8
      Total number of prefixes smaller than registry allocations:     73385
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                  17921
          Total APNIC prefixes after maximum aggregation:             10655
      Prefixes being announced from the APNIC address blocks:         16437
          Unique aggregates announced from the APNIC address blocks:   9996
      APNIC Region origin ASes present in the Internet Routing Table:  1455
      APNIC Region origin ASes announcing only one prefix:              476
      APNIC Region transit ASes present in the Internet Routing Table:  255
      Average APNIC Region AS path length visible:                      5.3
          Max APNIC Region AS path length visible:                       15
      Number of APNIC addresses announced to Internet:             81482560
          Equivalent to 4 /8s, 219 /16s and 83 /24s
          Percentage of available APNIC address space announced:       60.2
      
      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:                   73350
          Total ARIN prefixes after maximum aggregation:              47375
      Prefixes being announced from the ARIN address blocks:          51778
          Unique aggregates announced from the ARIN address blocks:   16246
      ARIN Region origin ASes present in the Internet Routing Table:   7518
      ARIN Region origin ASes announcing only one prefix:              2351
      ARIN Region transit ASes present in the Internet Routing Table:   766
      Average ARIN Region AS path length visible:                       5.3
          Max ARIN Region AS path length visible:                        16
      Number of ARIN addresses announced to Internet:             189973956
          Equivalent to 11 /8s, 82 /16s and 197 /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:                   18281
          Total RIPE prefixes after maximum aggregation:              14153
      Prefixes being announced from the RIPE address blocks:          15019
          Unique aggregates announced from the RIPE address blocks:   10004
      RIPE Region origin ASes present in the Internet Routing Table:   3662
      RIPE Region origin ASes announcing only one prefix:              1976
      RIPE Region transit ASes present in the Internet Routing Table:   669
      Average RIPE Region AS path length visible:                       5.9
          Max RIPE Region AS path length visible:                        15
      Number of RIPE addresses announced to Internet:             107343392
          Equivalent to 6 /8s, 101 /16s and 238 /24s
          Percentage of available RIPE address space announced:        71.1
      
      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     1299       1229         958   Telstra Pty Ltd
       4538      462       1162          16   China Education and Research 
       2907      408       1959         372   SINET Japan
        703      403        333         313   UUNET Technologies, Inc. 
       2764      385        360         361   connect.com.au pty ltd
       9394      302        113           4   CHINA RAILWAY Internet(CRNET)
       7474      295        289         200   Optus Communications Pty Ltd
       4755      291        111          88   Videsh Sanchar Nigam Ltd. Aut
       4134      274       1962          97   Data Communications Bureau
       9443      273         44          63   Primus Telecommunications
      17557      233         15         100   Pakistan Telecom
       4766      213       1521         147   Korea Internet Exchange for "
       7539      165        237         158   TANet2, sponsored by NSC, TAI
       4804      148         84          68   Microplex PTY LTD
       9768      147        385          89   Korea Telecom
       9583      141         32           5   Satyam Infoway Ltd.,
       4713      127        914         104   NTT Communications Corporatio
       7657      123         22          86   The Internet Group Limited
       4780      117        186          40   Digital United Inc.
      17676      117       1872          17   XTAGE CORPORATION
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        702     1041       2631         852   UUNET Technologies, Inc. 
       3301      396        924         350   TeliaNet Sweden
       3215      261        570         157   France Telecom / &Equant
       1257      236        487         232   SWIPnet Swedish IP Network
        680      231       2147         230   DFN-IP service G-WiN
       5515      216        697         173   Sonera Finland Autonomous Sys
       5400      200         83          94   Concert European Core Network
       3320      196       1964         171   Deutsche Telekom AG
        786      182       1874         182   The JANET IP Service
       8708      158         23         147   Romania Data Systems S.A.
        719      132        289         118   LANLINK autonomous system
       2856      131        790         120   BTnet UK Regional network
       3303      124        579         124   Swisscom Ltd
      12302      119          7          40   MobiFon S.A.
       3269      116        693          70   TELECOM ITALIA
       8297      115         37          65   Teleglobe Autonomous System i
        517      101        226          99   KPNQwest Germany GmbH
       9051      101          6          25   INCONET Autonomous System
       2874       96        100          36   Global One Services AB
       5511       91        192          79   France Telecom
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        701     2140       8408        1539   UUNET Technologies, Inc. 
       7018     1209       7495         910   AT&T 
       3908      847       1659         480   Supernet, Inc. 
          1      836       8123         610   BBN Planet 
       1239      791       3381         622   Sprint 
       4323      639        435         252   Time Warner Communications, I
        852      633       1128         414   Telus Advanced Communications
       7046      626        835         410   UUNET Technologies, Inc. 
        209      545       1976         313   Qwest 
       7132      514        541         157   Southwestern Bell Internet Se
       3549      478        843         243   Global Crossing 
        690      437         66         284   Merit Network 
       2914      422       2176         418   Verio, Inc. 
       2149      379        209         315   Performance Systems, Inc. 
       7843      379        305          50   Adelphia Corp. 
        705      369        114         260   UUNET Technologies, Inc. 
       3741      344        731         235   The Internet Solution 
       2386      337        356         192   AT&T Data Communications Serv
       6197      330        215         168   BellSouth Network Solutions, 
       3561      325       2169         292   Cable & Wireless USA 
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
       4538       462         446      China Education and Research 
       4323       639         387      Time Warner Communications, I
       3908       847         367      Supernet, Inc. 
       7132       514         357      Southwestern Bell Internet Se
       1221      1299         341      Telstra Pty Ltd
       7843       379         329      Adelphia Corp. 
       7018      1209         299      AT&T 
       9394       302         298      CHINA RAILWAY Internet(CRNET)
       4151       306         290      USDA 
       6198       309         276      BellSouth Network Solutions, 
      11371       270         264      Rhythms NetConnections 
       6347       315         237      SAVVIS Communications Corpora
       3549       478         235      Global Crossing 
        209       545         232      Qwest 
       7029       243         228      Alltel Information Services, 
          1       836         226      BBN Planet 
        852       633         219      Telus Advanced Communications
       7046       626         216      UUNET Technologies, Inc. 
       9443       273         210      Primus Telecommunications
       4355       242         205      EarthLink, Inc. 
      
      List of Unregistered ASNs (Global)
      ----------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
      23336   UNALLOCATED   65.163.175.0/24        701       UUNET Technologies, 
      23336   UNALLOCATED   65.166.167.0/24        701       UUNET Technologies, 
      23336   UNALLOCATED   65.171.130.0/24        701       UUNET Technologies, 
      23336   UNALLOCATED   65.222.19.0/24         701       UUNET Technologies, 
      23339   UNALLOCATED   66.181.32.0/20         701       UUNET Technologies, 
      23336   UNALLOCATED   204.182.49.0/24        701       UUNET Technologies, 
       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
      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       /9:5       /10:8       /11:14      /12:35      
      /13:88      /14:232     /15:404     /16:7175    /17:1381    /18:2534    
      /19:7385    /20:6887    /21:4882    /22:7454    /23:9124    /24:60935   
      /25:228     /26:266     /27:120     /28:90      /29:111     /30:132     
      /31:0       /32:43      
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
        701     1381          2140      UUNET Technologies, Inc. 
       1221     1156          1299      Telstra Pty Ltd
        702      661          1041      UUNET Technologies, Inc. 
       7018      629          1209      AT&T 
       3908      583           847      Supernet, Inc. 
       4323      510           639      Time Warner Communications, I
       1239      452           791      Sprint 
       7046      442           626      UUNET Technologies, Inc. 
          1      433           836      BBN Planet 
        690      433           437      Merit Network 
        852      388           633      Telus Advanced Communications
        209      358           545      Qwest 
       2764      341           385      connect.com.au pty ltd
       3549      341           478      Global Crossing 
        703      325           403      UUNET Technologies, Inc. 
        705      317           369      UUNET Technologies, Inc. 
       9394      289           302      CHINA RAILWAY Internet(CRNET)
       2149      287           379      Performance Systems, Inc. 
       6197      279           330      BellSouth Network Solutions, 
       7066      272           301      Virginia Polytechnic Institut
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         3:1         9:1        12:485      13:10       15:1        17:5      
        20:2        24:760      25:1        32:68       38:9        40:6      
        44:1        57:15       61:283      62:171      63:1882     64:1149   
        65:1063     66:816      67:52       68:5        80:213      81:5      
       128:63      129:120     130:23      131:74      132:11      133:3      
       134:125     135:10      136:251     137:102     138:195     139:48     
       140:185     141:61      142:87      143:37      144:143     145:12     
       146:217     147:164     148:130     149:91      150:41      151:49     
       152:343     153:33      154:8       155:90      156:75      157:118    
       158:73      159:118     160:23      161:55      162:140     163:118    
       164:92      165:118     166:224     167:186     168:119     169:49     
       170:287     171:2       189:1       192:5435    193:2207    194:2064   
       195:800     196:429     198:3678    199:3232    200:2363    201:1      
       202:3041    203:4543    204:3321    205:2174    206:2507    207:2627   
       208:2559    209:2781    210:543     211:196     212:870     213:581    
       214:9       215:18      216:2976    217:441     218:21     
      
      End of report
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