[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, 30 Nov 2001 04:04:17 +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   04:00 30 Nov, 2001
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                            107754
      Total ASes present in the Internet Routing Table:               12188
      Origin-only ASes present in the Internet Routing Table:         10581
      Origin ASes announcing only one prefix:                          4559
      Transit ASes present in the Internet Routing Table:              1607
      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:             10
      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:                 1261439733
          Equivalent to 75 /8s, 48 /16s and 10 /24s
          Percentage of available address space announced:             34.0
          Percentage of allocated address space announced:             65.0
          Percentage of available address space allocated:             52.4
      Total number of prefixes smaller than registry allocations:     72710
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                  17003
      Prefixes being announced from the APNIC address blocks:         15490
      APNIC Region origin ASes present in the Internet Routing Table:  1413
      APNIC Region origin ASes announcing only one prefix:              462
      APNIC Region transit ASes present in the Internet Routing Table:  245
      Average APNIC Region AS path length visible:                      5.1
          Max APNIC Region AS path length visible:                       14
      Number of APNIC addresses announced to Internet:             89518998
          Equivalent to 5 /8s, 85 /16s and 243 /24s
          Percentage of available APNIC address space announced:       75.6
      
      APNIC AS Blocks        4608 - 4864, 7467 - 7722, 9216 - 10239
                             17408 - 18431, 23552 - 24575
      APNIC Address Blocks   61/8, 202/7, 210/7 and 218/7
      
      ARIN Region Analysis Summary
      ----------------------------
      
      Prefixes being announced by ARIN Region ASes:                   72912
      Prefixes being announced from the ARIN address blocks:          52282
      ARIN Region origin ASes present in the Internet Routing Table:   7240
      ARIN Region origin ASes announcing only one prefix:              2227
      ARIN Region transit ASes present in the Internet Routing Table:   742
      Average ARIN Region AS path length visible:                       5.2
          Max ARIN Region AS path length visible:                        16
      Number of ARIN addresses announced to Internet:             221982938
          Equivalent to 13 /8s, 59 /16s and 48 /24s
          Percentage of available ARIN address space announced:        82.7
      
      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:                   17832
      Prefixes being announced from the RIPE address blocks:          14513
      RIPE Region origin ASes present in the Internet Routing Table:   3480
      RIPE Region origin ASes announcing only one prefix:              1870
      RIPE Region transit ASes present in the Internet Routing Table:   610
      Average RIPE Region AS path length visible:                       5.9
          Max RIPE Region AS path length visible:                        15
      Number of RIPE addresses announced to Internet:             111005108
          Equivalent to 6 /8s, 157 /16s and 205 /24s
          Percentage of available RIPE address space announced:        73.5
      
      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  Description
       1221     1532       1328       Telstra Pty Ltd
       2764      408        358       connect.com.au pty ltd
        703      380        335       UUNET Technologies, Inc. 
       2907      372       1863       SINET Japan
       4755      305        159       Videsh Sanchar Nigam Ltd. Aut
       7474      304        287       Optus Communications Pty Ltd
       4134      257       1948       Data Communications Bureau
       4766      185       1431       Korea Internet Exchange for "
       4740      177         40       OzEmail ISP
       9443      174         62       Primus Telecommunications
       2521      167        172       PSINet Japan
       1659      164       1124       Taiwan Academic Network (TANe
      17557      163         13       Pakistan Telecom
       9583      155         47       Satyam Infoway Ltd.,
       4812      137        305       China Telecom (Group) - Shang
       7539      137        150       TANet2, sponsored by NSC, TAI
       4786      131         15       NetConnect Communications Pty
       9768      127        362       Korea Telecom
      17676      125       1952       XTAGE CORPORATION
       7657      123         23       The Internet Group Limited
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  Description
        702     1159       2778       UUNET Technologies, Inc. 
       3301      430        934       TeliaNet Sweden
       1257      268        500       SWIPnet Swedish IP Network
       3215      237        543       France Telecom / &Equant
        680      231       2148       DFN-IP service G-WiN
       5515      201        704       Sonera Finland Autonomous Sys
       3320      190       1959       Deutsche Telekom AG
        786      183       1874       The JANET IP Service
        719      166        292       LANLINK autonomous system
       8708      162         21       Romania Data Systems S.A.
       5400      142         62       Concert European Core Network
       2856      134        777       BTnet UK Regional network
       3303      132        561       Swisscom Ltd
       5549      121         82       Nextra Deutschland GmbH + Co.
        517      111        248       KPNQwest Germany GmbH
      12302      107          7       MobiFon S.A.
       3269      105        799       TELECOM ITALIA
       1290      100        398       PSINet UK Ltd.
       8297       98         31       Teleglobe Autonomous System i
       5511       94        192       France Telecom
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  Description
        701     2209       9159       UUNET Technologies, Inc. 
       7018     1090       7346       AT&T 
       3967     1028        483       Exodus Communication 
          1      841       8516       BBN Planet 
       1239      729       3388       Sprint 
       7046      729        889       UUNET Technologies, Inc. 
       8010      719        106       PublicNet Communications, Inc
       3908      696       1549       Supernet, Inc. 
        209      606       2217       Qwest 
       4323      585        477       Time Warner Communications, I
        852      543        697       Telus Advanced Communications
        690      502         71       Merit Network 
       2914      480       2268       Verio, Inc. 
        705      461        253       UUNET Technologies, Inc. 
       2149      437        251       Performance Systems, Inc. 
       3549      406        889       Global Crossing 
       3561      387       2288       Cable & Wireless USA 
       7132      386        534       Southwestern Bell Internet Se
       4151      368       1287       USDA 
       3741      350        766       The Internet Solution 
      
      Global Per AS prefix count summary
      ----------------------------------
      
        ASN   No of nets  /20 equiv  Description
        701     2209       9159       UUNET Technologies, Inc. 
       1221     1532       1328       Telstra Pty Ltd
        702     1159       2778       UUNET Technologies, Inc. 
       7018     1090       7346       AT&T 
       3967     1028        483       Exodus Communication 
          1      841       8516       BBN Planet 
       1239      729       3388       Sprint 
       7046      729        889       UUNET Technologies, Inc. 
       8010      719        106       PublicNet Communications, Inc
       3908      696       1549       Supernet, Inc. 
        209      606       2217       Qwest 
       4323      585        477       Time Warner Communications, I
        852      543        697       Telus Advanced Communications
        690      502         71       Merit Network 
       2914      480       2268       Verio, Inc. 
        705      461        253       UUNET Technologies, Inc. 
       2149      437        251       Performance Systems, Inc. 
       3301      430        934       TeliaNet Sweden
       2764      408        358       connect.com.au pty ltd
       3549      406        889       Global Crossing 
      
      List of Unregistered ASNs (Global)
      ----------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
       2027   UNALLOCATED   150.185.128.0/18      8143       Publicom Corp. 
      65025   PRIVATE       168.95.70.0/24        3462       Data Communication B
      65025   PRIVATE       168.95.71.0/24        3462       Data Communication B
      65025   PRIVATE       168.95.86.32/27       3462       Data Communication B
      65026   PRIVATE       168.95.86.128/27      3462       Data Communication B
      65026   PRIVATE       168.95.160.0/24       3462       Data Communication B
      65026   PRIVATE       168.95.161.0/24       3462       Data Communication B
       5757   UNALLOCATED   207.19.224.0/24        701       UUNET Technologies, 
      65515   PRIVATE       212.110.142.0/24      5593       CRIS-AS
      17940   UNALLOCATED   218.45.0.0/20         4713       NTT Communications C
      
      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       /11:12      /12:36      
      /13:90      /14:221     /15:385     /16:7091    /17:1356    /18:2451    
      /19:7110    /20:6124    /21:4696    /22:7090    /23:8861    /24:60637   
      /25:328     /26:319     /27:268     /28:236     /29:151     /30:189     
      /31:0       /32:73      
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
        701     1406          2209      UUNET Technologies, Inc. 
       1221     1386          1532      Telstra Pty Ltd
       3967      845          1028      Exodus Communication 
        702      761          1159      UUNET Technologies, Inc. 
       8010      703           719      PublicNet Communications, Inc
       7018      564          1090      AT&T 
       7046      562           729      UUNET Technologies, Inc. 
        690      499           502      Merit Network 
       4323      495           585      Time Warner Communications, I
       3908      472           696      Supernet, Inc. 
        209      435           606      Qwest 
          1      413           841      BBN Planet 
       1239      406           729      Sprint 
        705      368           461      UUNET Technologies, Inc. 
       2764      366           408      connect.com.au pty ltd
        852      363           543      Telus Advanced Communications
       2149      329           437      Performance Systems, Inc. 
       4151      322           368      USDA 
        703      310           380      UUNET Technologies, Inc. 
       3549      274           406      Global Crossing 
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:4         9:1        12:422      13:10       15:1        17:5      
        20:1        24:859      25:1        26:1        32:72       38:13     
        40:1        43:1        44:2        52:1        53:2        57:12     
        61:124      62:162      63:1916     64:1496     65:964      66:741    
        67:8        80:108     128:61      129:111     130:23      131:44     
       132:14      133:2       134:137     135:10      136:114     137:102    
       138:63      139:30      140:98      141:59      142:65      143:43     
       144:54      145:13      146:211     147:90      148:128     149:88     
       150:42      151:38      152:390     153:51      154:6       155:85     
       156:89      157:114     158:69      159:71      160:45      161:51     
       162:82      163:130     164:121     165:99      166:205     167:162    
       168:121     169:46      170:301     171:2       191:1       192:5370   
       193:2097    194:2091    195:821     196:446     198:3748    199:3377   
       200:2409    201:1       202:2843    203:4582    204:3313    205:2132   
       206:2615    207:2658    208:2738    209:2999    210:591     211:146    
       212:912     213:537     214:9       215:15      216:2948    217:423    
       218:7      
      
      End of report
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