[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, 11 Jan 2002 20:08:19 +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 11 Jan, 2002
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                            108327
          Prefixes after maximum aggregation:                         71971
          Unique aggregates announced to Internet:                    52102
      Total ASes present in the Internet Routing Table:               12321
      Origin-only ASes present in the Internet Routing Table:         10681
      Origin ASes announcing only one prefix:                          4609
      Transit ASes present in the Internet Routing Table:              1640
      Transit-only ASes present in the Internet Routing Table:           54
      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:              3
      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:                 1160494316
          Equivalent to 69 /8s, 43 /16s and 188 /24s
          Percentage of available address space announced:             31.3
          Percentage of allocated address space announced:             59.3
          Percentage of available address space allocated:             52.8
      Total number of prefixes smaller than registry allocations:     72622
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                  17236
          Total APNIC prefixes after maximum aggregation:             10573
      Prefixes being announced from the APNIC address blocks:         15769
          Unique aggregates announced from the APNIC address blocks:   9775
      APNIC Region origin ASes present in the Internet Routing Table:  1429
      APNIC Region origin ASes announcing only one prefix:              461
      APNIC Region transit ASes present in the Internet Routing Table:  249
      Average APNIC Region AS path length visible:                      5.4
          Max APNIC Region AS path length visible:                       14
      Number of APNIC addresses announced to Internet:             78576448
          Equivalent to 4 /8s, 174 /16s and 251 /24s
          Percentage of available APNIC address space announced:       58.1
      
      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:                   73241
          Total ARIN prefixes after maximum aggregation:              47487
      Prefixes being announced from the ARIN address blocks:          52561
          Unique aggregates announced from the ARIN address blocks:   17034
      ARIN Region origin ASes present in the Internet Routing Table:   7308
      ARIN Region origin ASes announcing only one prefix:              2251
      ARIN Region transit ASes present in the Internet Routing Table:   747
      Average ARIN Region AS path length visible:                       5.2
          Max ARIN Region AS path length visible:                        16
      Number of ARIN addresses announced to Internet:             182810916
          Equivalent to 10 /8s, 229 /16s and 121 /24s
          Percentage of available ARIN address space announced:        68.1
      
      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:                   17848
          Total RIPE prefixes after maximum aggregation:              13911
      Prefixes being announced from the RIPE address blocks:          14578
          Unique aggregates announced from the RIPE address blocks:    9707
      RIPE Region origin ASes present in the Internet Routing Table:   3531
      RIPE Region origin ASes announcing only one prefix:              1897
      RIPE Region transit ASes present in the Internet Routing Table:   634
      Average RIPE Region AS path length visible:                       5.8
          Max RIPE Region AS path length visible:                        15
      Number of RIPE addresses announced to Internet:             105449984
          Equivalent to 6 /8s, 73 /16s and 10 /24s
          Percentage of available RIPE address space announced:        69.8
      
      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     1332       1241         985   Telstra Pty Ltd
       4538      448       1098          14   China Education and Research 
       2764      400        378         374   connect.com.au pty ltd
        703      397        337         304   UUNET Technologies, Inc. 
       2907      395       1940         363   SINET Japan
       4755      323        116          95   Videsh Sanchar Nigam Ltd. Aut
       7474      313        285         204   Optus Communications Pty Ltd
       4134      268       1858         100   Data Communications Bureau
       4766      198       1380         145   Korea Internet Exchange for "
      17557      176         14          87   Pakistan Telecom
       9443      172         45          68   Primus Telecommunications
       9583      158         32           5   Satyam Infoway Ltd.,
       4740      145         34         119   OzEmail ISP
       9768      145        381          88   Korea Telecom
       1659      144        924          34   Taiwan Academic Network (TANe
       7657      123         21          83   The Internet Group Limited
      17676      121       1920           7   XTAGE CORPORATION
       4780      117        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     1086       2635         859   UUNET Technologies, Inc. 
       3301      399        908         352   TeliaNet Sweden
       1257      254        489         248   SWIPnet Swedish IP Network
        680      233       2149         231   DFN-IP service G-WiN
       3215      232        562         151   France Telecom / &Equant
       5515      216        705         176   Sonera Finland Autonomous Sys
       3320      201       1961         169   Deutsche Telekom AG
        786      182       1874         182   The JANET IP Service
        719      164        289         118   LANLINK autonomous system
       8708      152         20         139   Romania Data Systems S.A.
       5400      147         60          86   Concert European Core Network
       5549      143         78          65   Nextra Deutschland GmbH + Co.
       2856      136        777         125   BTnet UK Regional network
       3303      126        575         124   Swisscom Ltd
       3269      115        663          70   TELECOM ITALIA
      12302      112          7          36   MobiFon S.A.
       8297      110         37          62   Teleglobe Autonomous System i
        517      107        230         105   KPNQwest Germany GmbH
       1290       97        412          72   PSINet UK Ltd.
       5511       95        192          79   France Telecom
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        701     2143       8790        1533   UUNET Technologies, Inc. 
       7018     1152       7483         897   AT&T 
          1      874       8393         647   BBN Planet 
       3908      801       1638         475   Supernet, Inc. 
       1239      781       3157         604   Sprint 
       3967      770        361         332   Exodus Communication 
       8010      715         62          11   PublicNet Communications, Inc
       7046      684        822         440   UUNET Technologies, Inc. 
       4323      612        412         215   Time Warner Communications, I
        852      582        979         384   Telus Advanced Communications
        690      547         77         323   Merit Network 
        209      511       1876         298   Qwest 
        705      488        437         302   UUNET Technologies, Inc. 
       2914      459       2210         428   Verio, Inc. 
       4293      425         92         315   Cable & Wireless USA 
       7132      416        481         161   Southwestern Bell Internet Se
       3549      409        831         209   Global Crossing 
       2149      392        214         328   Performance Systems, Inc. 
       3561      375       2220         322   Cable & Wireless USA 
       4151      364        704          16   USDA 
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
       8010       715         704      PublicNet Communications, Inc
       3967       770         438      Exodus Communication 
       4538       448         434      China Education and Research 
       4323       612         397      Time Warner Communications, I
       4151       364         348      USDA 
       1221      1332         347      Telstra Pty Ltd
       3908       801         326      Supernet, Inc. 
      11371       278         271      Rhythms NetConnections 
       7018      1152         255      AT&T 
       7132       416         255      Southwestern Bell Internet Se
       7046       684         244      UUNET Technologies, Inc. 
       6347       325         242      SAVVIS Communications Corpora
       4755       323         228      Videsh Sanchar Nigam Ltd. Aut
        702      1086         227      UUNET Technologies, Inc. 
          1       874         227      BBN Planet 
        690       547         224      Merit Network 
        209       511         213      Qwest 
       3549       409         200      Global Crossing 
       4355       229         199      EarthLink, Inc. 
        852       582         198      Telus Advanced Communications
      
      List of Unregistered ASNs (Global)
      ----------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
      65003   PRIVATE       64.80.126.0/23       15270       PaeTec.net -a divisi
       5757   UNALLOCATED   207.19.224.0/24        701       UUNET Technologies, 
      24583   UNALLOCATED   212.104.84.0/24        702       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       /9:6       /10:7       /11:12      /12:38      
      /13:92      /14:230     /15:393     /16:7146    /17:1404    /18:2470    
      /19:7241    /20:6539    /21:4834    /22:7264    /23:8998    /24:60685   
      /25:231     /26:228     /27:133     /28:98      /29:75      /30:136     
      /31:0       /32:49      
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
        701     1372          2143      UUNET Technologies, Inc. 
       1221     1185          1332      Telstra Pty Ltd
        702      705          1086      UUNET Technologies, Inc. 
       8010      699           715      PublicNet Communications, Inc
       7018      602          1152      AT&T 
       3967      584           770      Exodus Communication 
       3908      559           801      Supernet, Inc. 
        690      543           547      Merit Network 
       7046      518           684      UUNET Technologies, Inc. 
       4323      506           612      Time Warner Communications, I
       1239      453           781      Sprint 
          1      448           874      BBN Planet 
       4293      412           425      Cable & Wireless USA 
        852      368           582      Telus Advanced Communications
        705      358           488      UUNET Technologies, Inc. 
       2764      355           400      connect.com.au pty ltd
        209      337           511      Qwest 
        703      324           397      UUNET Technologies, Inc. 
       4151      317           364      USDA 
       2149      296           392      Performance Systems, Inc. 
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:3         7:1         9:1        12:454      13:10       15:2      
        17:5        20:1        24:779      25:1        32:74       38:13     
        40:4        43:1        44:2        52:1        57:14       61:226    
        62:152      63:1909     64:1497     65:994      66:760      67:25     
        68:15       80:139     128:63      129:119     130:23      131:44     
       132:13      133:2       134:121     135:10      136:120     137:101    
       138:62      139:30      140:72      141:57      142:64      143:41     
       144:54      145:12      146:214     147:60      148:164     149:88     
       150:39      151:43      152:386     153:34      154:7       155:85     
       156:81      157:117     158:72      159:76      160:26      161:54     
       162:96      163:129     164:125     165:112     166:217     167:160    
       168:113     169:47      170:281     171:2       191:1       192:5396   
       193:2064    194:2052    195:857     196:430     198:3735    199:3264   
       200:2393    201:1       202:2903    203:4518    204:3297    205:2187   
       206:2743    207:2736    208:2815    209:2889    210:552     211:152    
       212:874     213:515     214:7       215:16      216:2947    217:411    
       218:12     
      
      End of report
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