[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, 25 Jan 2002 20:04:40 +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 25 Jan, 2002
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                            107651
          Prefixes after maximum aggregation:                         71781
          Unique aggregates announced to Internet:                    52429
      Total ASes present in the Internet Routing Table:               12435
      Origin-only ASes present in the Internet Routing Table:         10766
      Origin ASes announcing only one prefix:                          4691
      Transit ASes present in the Internet Routing Table:              1669
      Transit-only ASes present in the Internet Routing Table:           57
      Average AS path length visible in the Internet Routing Table:     5.3
          Max AS path length visible:                                    16
      Illegal AS announcements present in the Routing Table:              3
      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:                 1162813064
          Equivalent to 69 /8s, 79 /16s and 30 /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:     71770
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                  17200
          Total APNIC prefixes after maximum aggregation:             10593
      Prefixes being announced from the APNIC address blocks:         15701
          Unique aggregates announced from the APNIC address blocks:   9832
      APNIC Region origin ASes present in the Internet Routing Table:  1441
      APNIC Region origin ASes announcing only one prefix:              477
      APNIC Region transit ASes present in the Internet Routing Table:  250
      Average APNIC Region AS path length visible:                      5.3
          Max APNIC Region AS path length visible:                       15
      Number of APNIC addresses announced to Internet:             78769984
          Equivalent to 4 /8s, 177 /16s and 239 /24s
          Percentage of available APNIC address space announced:       58.2
      
      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:                   72496
          Total ARIN prefixes after maximum aggregation:              47251
      Prefixes being announced from the ARIN address blocks:          51282
          Unique aggregates announced from the ARIN address blocks:   17117
      ARIN Region origin ASes present in the Internet Routing Table:   7354
      ARIN Region origin ASes announcing only one prefix:              2277
      ARIN Region transit ASes present in the Internet Routing Table:   755
      Average ARIN Region AS path length visible:                       5.2
          Max ARIN Region AS path length visible:                        16
      Number of ARIN addresses announced to Internet:             184793284
          Equivalent to 11 /8s, 3 /16s and 184 /24s
          Percentage of available ARIN address space announced:        68.8
      
      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:                   17955
          Total RIPE prefixes after maximum aggregation:              13937
      Prefixes being announced from the RIPE address blocks:          14724
          Unique aggregates announced from the RIPE address blocks:    9818
      RIPE Region origin ASes present in the Internet Routing Table:   3582
      RIPE Region origin ASes announcing only one prefix:              1937
      RIPE Region transit ASes present in the Internet Routing Table:   653
      Average RIPE Region AS path length visible:                       5.8
          Max RIPE Region AS path length visible:                        15
      Number of RIPE addresses announced to Internet:             106183936
          Equivalent to 6 /8s, 84 /16s and 61 /24s
          Percentage of available RIPE address space announced:        70.3
      
      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     1337       1260         976   Telstra Pty Ltd
       4538      450       1162          16   China Education and Research 
       2764      397        377         371   connect.com.au pty ltd
       2907      396       1910         366   SINET Japan
        703      389        324         296   UUNET Technologies, Inc. 
       7474      300        286         205   Optus Communications Pty Ltd
       4755      299        113          88   Videsh Sanchar Nigam Ltd. Aut
       4134      268       1858         100   Data Communications Bureau
       4766      198       1393         145   Korea Internet Exchange for "
      17557      188         14          88   Pakistan Telecom
       9443      160         44          59   Primus Telecommunications
       9768      145        385          88   Korea Telecom
       1659      143        908          33   Taiwan Academic Network (TANe
       4740      143         34         117   OzEmail ISP
       9583      137         32           5   Satyam Infoway Ltd.,
       7657      125         22          85   The Internet Group Limited
       7539      121        116         120   TANet2, sponsored by NSC, TAI
       4780      116        186          40   Digital United Inc.
       4713      115        894         102   NTT Communications Corporatio
       9800      113        193          22   CHINA UNICOM
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        702     1116       2622         862   UUNET Technologies, Inc. 
       3301      398        924         351   TeliaNet Sweden
       1257      253        487         249   SWIPnet Swedish IP Network
       3215      236        562         153   France Telecom / &Equant
        680      235       2149         233   DFN-IP service G-WiN
       5515      218        705         175   Sonera Finland Autonomous Sys
       3320      190       1961         168   Deutsche Telekom AG
       5400      186         77          92   Concert European Core Network
        786      182       1874         182   The JANET IP Service
        719      164        289         118   LANLINK autonomous system
       8708      149         20         139   Romania Data Systems S.A.
       2856      135        775         124   BTnet UK Regional network
       3303      124        575         124   Swisscom Ltd
       3269      118        695          72   TELECOM ITALIA
       8297      117         40          66   Teleglobe Autonomous System i
      12302      115          7          36   MobiFon S.A.
        517      103        227         101   KPNQwest Germany GmbH
       1290       94        411          69   PSINet UK Ltd.
       1267       92       1471          42   Infostrada S.p.A.
       5511       91        192          80   France Telecom
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        701     2091       8307        1511   UUNET Technologies, Inc. 
       7018     1744       7561         977   AT&T 
          1      841       8264         613   BBN Planet 
       3908      786       1656         464   Supernet, Inc. 
       1239      775       3157         604   Sprint 
       7046      641        837         422   UUNET Technologies, Inc. 
       4323      623        414         222   Time Warner Communications, I
        852      564        978         364   Telus Advanced Communications
        209      518       1875         295   Qwest 
        690      510         74         313   Merit Network 
       2914      453       2193         422   Verio, Inc. 
       7132      449        504         159   Southwestern Bell Internet Se
        705      432        190         284   UUNET Technologies, Inc. 
       3549      428        835         221   Global Crossing 
       2149      395        214         331   Performance Systems, Inc. 
       2386      385        354         244   AT&T Data Communications Serv
       3561      381       2236         331   Cable & Wireless USA 
       3967      379        372         205   Exodus Communication 
       3741      350        731         239   The Internet Solution 
        577      349        604         219   Bell Advanced Communications 
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
       7018      1744         767      AT&T 
       4538       450         434      China Education and Research 
       4323       623         401      Time Warner Communications, I
       1221      1337         361      Telstra Pty Ltd
       3908       786         322      Supernet, Inc. 
       4151       337         321      USDA 
       7132       449         290      Southwestern Bell Internet Se
      11371       278         271      Rhythms NetConnections 
        702      1116         254      UUNET Technologies, Inc. 
       6347       312         237      SAVVIS Communications Corpora
          1       841         228      BBN Planet 
        209       518         223      Qwest 
       7843       258         220      Adelphia Corp. 
       7046       641         219      UUNET Technologies, Inc. 
       4755       299         211      Videsh Sanchar Nigam Ltd. Aut
       3549       428         207      Global Crossing 
       4355       237         207      EarthLink, Inc. 
        852       564         200      Telus Advanced Communications
        690       510         197      Merit Network 
       6172       240         189      @Home Network 
      
      List of Unregistered ASNs (Global)
      ----------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
      23098   UNALLOCATED   144.9.72.0/24        12179       InterNAP Network Ser
      23098   UNALLOCATED   144.9.73.0/24        12179       InterNAP Network Ser
       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 
      126.0.0.0/8           7336     Compass Communications 
      132.0.0.0/10           568     DISO-UNRRA 
      134.137.0.0/16         400     Headquarters Standard Systems
      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        /8:18       /9:6       /10:7       /11:12      /12:37      
      /13:92      /14:231     /15:390     /16:7138    /17:1410    /18:2488    
      /19:7305    /20:6672    /21:4810    /22:7291    /23:8939    /24:59959   
      /25:216     /26:205     /27:111     /28:83      /29:58      /30:135     
      /31:0       /32:38      
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
        701     1336          2091      UUNET Technologies, Inc. 
       1221     1187          1337      Telstra Pty Ltd
       7018     1153          1744      AT&T 
        702      739          1116      UUNET Technologies, Inc. 
       3908      539           786      Supernet, Inc. 
       4323      512           623      Time Warner Communications, I
        690      506           510      Merit Network 
       7046      470           641      UUNET Technologies, Inc. 
       1239      458           775      Sprint 
          1      434           841      BBN Planet 
       2764      352           397      connect.com.au pty ltd
        705      351           432      UUNET Technologies, Inc. 
        852      351           564      Telus Advanced Communications
        209      340           518      Qwest 
        703      316           389      UUNET Technologies, Inc. 
       2386      309           385      AT&T Data Communications Serv
       2149      298           395      Performance Systems, Inc. 
       3549      296           428      Global Crossing 
       4151      291           337      USDA 
       7066      275           304      Virginia Polytechnic Institut
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:2         9:1        12:735      13:10       15:1        17:5      
        20:1        24:701      25:1        32:180      38:12       40:4      
        44:2        57:14       61:211      62:169      63:1878     64:1096   
        65:997      66:614      67:33       68:19       80:167      81:4      
       128:60      129:134     130:23      131:49      132:13      133:2      
       134:121     135:10      136:124     137:104     138:61      139:29     
       140:94      141:58      142:65      143:38      144:56      145:12     
       146:216     147:62      148:142     149:86      150:39      151:43     
       152:381     153:34      154:8       155:83      156:81      157:83     
       158:73      159:86      160:26      161:54      162:96      163:125    
       164:91      165:115     166:225     167:161     168:121     169:48     
       170:283     171:4       192:5399    193:2123    194:2033    195:792    
       196:436     198:3740    199:3256    200:2313    201:1       202:2898   
       203:4512    204:3299    205:2149    206:2601    207:2645    208:2580   
       209:2911    210:531     211:152     212:878     213:589     214:7      
       215:16      216:2970    217:440     218:12     
      
      End of report
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