[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, 21 Dec 2001 20:04:13 +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 Fri 21 Dec, 2001
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                            108272
          Prefixes after maximum aggregation:                         71920
          Unique aggregates announced to Internet:                    52032
      Total ASes present in the Internet Routing Table:               12309
      Origin-only ASes present in the Internet Routing Table:         10690
      Origin ASes announcing only one prefix:                          4617
      Transit ASes present in the Internet Routing Table:              1619
      Transit-only ASes present in the Internet Routing Table:           56
      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:              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:                 1144719040
          Equivalent to 68 /8s, 59 /16s and 6 /24s
          Percentage of available address space announced:             30.9
          Percentage of allocated address space announced:             58.4
          Percentage of available address space allocated:             52.8
      Total number of prefixes smaller than registry allocations:     73022
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                  17066
          Total APNIC prefixes after maximum aggregation:             10574
      Prefixes being announced from the APNIC address blocks:         15483
          Unique aggregates announced from the APNIC address blocks:   9799
      APNIC Region origin ASes present in the Internet Routing Table:  1426
      APNIC Region origin ASes announcing only one prefix:              467
      APNIC Region transit ASes present in the Internet Routing Table:  241
      Average APNIC Region AS path length visible:                      5.2
          Max APNIC Region AS path length visible:                       14
      Number of APNIC addresses announced to Internet:             77823344
          Equivalent to 4 /8s, 163 /16s and 125 /24s
          Percentage of available APNIC address space announced:       57.5
      
      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:                   73280
          Total ARIN prefixes after maximum aggregation:              47428
      Prefixes being announced from the ARIN address blocks:          52651
          Unique aggregates announced from the ARIN address blocks:   16942
      ARIN Region origin ASes present in the Internet Routing Table:   7291
      ARIN Region origin ASes announcing only one prefix:              2244
      ARIN Region transit ASes present in the Internet Routing Table:   743
      Average ARIN Region AS path length visible:                       5.2
          Max ARIN Region AS path length visible:                        16
      Number of ARIN addresses announced to Internet:             180579276
          Equivalent to 10 /8s, 195 /16s and 107 /24s
          Percentage of available ARIN address space announced:        67.3
      
      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:                   17921
          Total RIPE prefixes after maximum aggregation:              13918
      Prefixes being announced from the RIPE address blocks:          14615
          Unique aggregates announced from the RIPE address blocks:    9696
      RIPE Region origin ASes present in the Internet Routing Table:   3536
      RIPE Region origin ASes announcing only one prefix:              1906
      RIPE Region transit ASes present in the Internet Routing Table:   625
      Average RIPE Region AS path length visible:                       5.9
          Max RIPE Region AS path length visible:                        15
      Number of RIPE addresses announced to Internet:             104469248
          Equivalent to 6 /8s, 58 /16s and 19 /24s
          Percentage of available RIPE address space announced:        69.2
      
      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
      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     1504       1261        1042   Telstra Pty Ltd
       2764      399        376         373   connect.com.au pty ltd
        703      398        346         305   UUNET Technologies, Inc. 
       2907      370       1832         340   SINET Japan
       7474      310        285         201   Optus Communications Pty Ltd
       4755      294        117          81   Videsh Sanchar Nigam Ltd. Aut
       4134      268       1890          96   Data Communications Bureau
       2521      190        165          28   PSINet Japan
       4766      185       1395         135   Korea Internet Exchange for "
       1659      175        924          34   Taiwan Academic Network (TANe
      17557      174         13          83   Pakistan Telecom
       9443      172         45          68   Primus Telecommunications
       9583      150         32           3   Satyam Infoway Ltd.,
       4740      149         34         123   OzEmail ISP
       7539      143        136         142   TANet2, sponsored by NSC, TAI
       9768      142        381          87   Korea Telecom
       4812      137        192          34   China Telecom (Group) - Shang
      17676      125       1920           7   XTAGE CORPORATION
       4713      120        942         107   NTT Communications Corporatio
       7657      119         21          78   The Internet Group Limited
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        702     1095       2688         864   UUNET Technologies, Inc. 
       3301      425        925         354   TeliaNet Sweden
       1257      253        473         250   SWIPnet Swedish IP Network
       3215      235        555         151   France Telecom / &Equant
        680      233       2149         231   DFN-IP service G-WiN
       5515      217        721         177   Sonera Finland Autonomous Sys
       3320      186       1960         165   Deutsche Telekom AG
        786      182       1874         182   The JANET IP Service
        719      164        289         118   LANLINK autonomous system
       8708      148         20         140   Romania Data Systems S.A.
       5400      147         59          84   Concert European Core Network
       5549      141         78          62   Nextra Deutschland GmbH + Co.
       2856      136        777         125   BTnet UK Regional network
       3303      134        575         124   Swisscom Ltd
       8895      116         89          40   Saudi Arabia AS
       3269      114        662          70   TELECOM ITALIA
      12302      112          7          36   MobiFon S.A.
        517      109        232         107   KPNQwest Germany GmbH
       8297      107         31          64   Teleglobe Autonomous System i
       5511       99        192          79   France Telecom
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        701     2159       8829        1528   UUNET Technologies, Inc. 
       7018     1110       7353         868   AT&T 
       3967      955        363         474   Exodus Communication 
        705      925        377         404   UUNET Technologies, Inc. 
          1      873       8404         648   BBN Planet 
       1239      783       3169         606   Sprint 
       3908      764       1623         479   Supernet, Inc. 
       8010      719         62          12   PublicNet Communications, Inc
       7046      698        823         450   UUNET Technologies, Inc. 
        209      614       1861         297   Qwest 
       4323      586        364         201   Time Warner Communications, I
        852      578        977         381   Telus Advanced Communications
        690      529         76         316   Merit Network 
       2914      462       2212         433   Verio, Inc. 
       3549      404        837         202   Global Crossing 
       2149      403        214         337   Performance Systems, Inc. 
       7132      400        468         166   Southwestern Bell Internet Se
       3561      383       2269         330   Cable & Wireless USA 
        577      350        587         218   Bell Advanced Communications 
       3741      350        730         239   The Internet Solution 
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   Net Savings Description
       8010      707      PublicNet Communications, Inc
        705      521      UUNET Technologies, Inc. 
       3967      481      Exodus Communication 
       1221      462      Telstra Pty Ltd
       4323      385      Time Warner Communications, I
       4151      326      USDA 
        209      317      Qwest 
       3908      285      Supernet, Inc. 
      11371      271      Rhythms NetConnections 
       7046      248      UUNET Technologies, Inc. 
       7018      242      AT&T 
       6347      238      SAVVIS Communications Corpora
       7132      234      Southwestern Bell Internet Se
        702      231      UUNET Technologies, Inc. 
          1      225      BBN Planet 
        690      213      Merit Network 
       4755      213      Videsh Sanchar Nigam Ltd. Aut
       3549      202      Global Crossing 
       4355      198      EarthLink, Inc. 
        852      197      Telus Advanced Communications
      
      List of Unregistered ASNs (Global)
      ----------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
      65500   PRIVATE       62.40.11.0/24         8469       PIRONET NDH AG
       2027   UNALLOCATED   150.185.128.0/18      8143       Publicom Corp. 
      65500   PRIVATE       195.227.39.0/24       8469       PIRONET NDH AG
      65500   PRIVATE       195.227.73.0/24       8469       PIRONET NDH AG
      65500   PRIVATE       195.227.79.0/24       8469       PIRONET NDH AG
      65500   PRIVATE       195.227.88.0/24       8469       PIRONET NDH AG
       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 
      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. 
      153.34.0.0/15          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
      191.9.200.0/24        1290     PSINet UK Ltd.
      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       /9:5       /10:7       /11:11      /12:37      
      /13:90      /14:227     /15:390     /16:7078    /17:1375    /18:2466    
      /19:7184    /20:6254    /21:4731    /22:7188    /23:8914    /24:60996   
      /25:316     /26:302     /27:208     /28:173     /29:114     /30:147     
      /31:0       /32:41      
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
        701     1380          2159      UUNET Technologies, Inc. 
       1221     1358          1504      Telstra Pty Ltd
        705      808           925      UUNET Technologies, Inc. 
       3967      773           955      Exodus Communication 
        702      712          1095      UUNET Technologies, Inc. 
       8010      703           719      PublicNet Communications, Inc
       7018      577          1110      AT&T 
       7046      534           698      UUNET Technologies, Inc. 
       3908      527           764      Supernet, Inc. 
        690      526           529      Merit Network 
       4323      496           586      Time Warner Communications, I
       1239      449           783      Sprint 
          1      448           873      BBN Planet 
        209      444           614      Qwest 
        852      368           578      Telus Advanced Communications
       2764      354           399      connect.com.au pty ltd
        703      323           398      UUNET Technologies, Inc. 
       2149      306           403      Performance Systems, Inc. 
       4151      296           342      USDA 
       7474      275           310      Optus Communications Pty Ltd
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:3         9:1        12:446      13:10       15:2        17:5      
        20:1        24:805      25:1        32:73       38:14       40:4      
        43:1        44:2        52:1        53:2        57:13       61:167    
        62:155      63:2370     64:1497     65:1019     66:744      67:17     
        68:6        80:131     128:61      129:112     130:24      131:43     
       132:14      133:2       134:127     135:10      136:120     137:107    
       138:63      139:30      140:102     141:57      142:65      143:44     
       144:55      145:12      146:216     147:95      148:155     149:88     
       150:41      151:38      152:391     153:34      154:6       155:83     
       156:85      157:120     158:70      159:77      160:45      161:54     
       162:84      163:130     164:125     165:100     166:206     167:162    
       168:115     169:48      170:299     171:2       191:1       192:5359   
       193:2074    194:2068    195:839     196:430     198:3759    199:3316   
       200:2407    201:1       202:2873    203:4533    204:3325    205:2174   
       206:2588    207:2679    208:2608    209:2945    210:570     211:151    
       212:953     213:556     214:9       215:15      216:2950    217:395    
       218:11     
      
      End of report
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