[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, 23 Nov 2001 04:03:43 +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 23 Nov, 2001
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                            107582
      Total ASes present in the Internet Routing Table:               12122
      Origin-only ASes present in the Internet Routing Table:         10534
      Origin ASes announcing only one prefix:                          4519
      Transit ASes present in the Internet Routing Table:              1588
      Transit-only ASes present in the Internet Routing Table:           49
      Average AS path length visible in the Internet Routing Table:     5.3
          Max AS path length visible:                                    19
      Illegal AS announcements present in the Routing Table:              9
      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:                 1256253460
          Equivalent to 74 /8s, 224 /16s and 232 /24s
          Percentage of available address space announced:             33.9
          Percentage of allocated address space announced:             64.7
          Percentage of available address space allocated:             52.4
      Total number of prefixes smaller than registry allocations:     72790
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                  16998
      Prefixes being announced from the APNIC address blocks:         15495
      APNIC Region origin ASes present in the Internet Routing Table:  1409
      APNIC Region origin ASes announcing only one prefix:              460
      APNIC Region transit ASes present in the Internet Routing Table:  238
      Average APNIC Region AS path length visible:                      5.2
          Max APNIC Region AS path length visible:                       19
      Number of APNIC addresses announced to Internet:             89014362
          Equivalent to 5 /8s, 78 /16s and 64 /24s
          Percentage of available APNIC address space announced:       75.1
      
      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:                   72736
      Prefixes being announced from the ARIN address blocks:          52030
      ARIN Region origin ASes present in the Internet Routing Table:   7198
      ARIN Region origin ASes announcing only one prefix:              2202
      ARIN Region transit ASes present in the Internet Routing Table:   726
      Average ARIN Region AS path length visible:                       5.2
          Max ARIN Region AS path length visible:                        16
      Number of ARIN addresses announced to Internet:             219486431
          Equivalent to 13 /8s, 21 /16s and 24 /24s
          Percentage of available ARIN address space announced:        81.8
      
      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:                   17842
      Prefixes being announced from the RIPE address blocks:          14473
      RIPE Region origin ASes present in the Internet Routing Table:   3467
      RIPE Region origin ASes announcing only one prefix:              1857
      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:             110308732
          Equivalent to 6 /8s, 147 /16s and 45 /24s
          Percentage of available RIPE address space announced:        73.1
      
      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
      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     1535       1305       Telstra Pty Ltd
       2764      406        357       connect.com.au pty ltd
        703      385        344       UUNET Technologies, Inc. 
       2907      371       1848       SINET Japan
       4755      351        169       Videsh Sanchar Nigam Ltd. Aut
       7474      301        275       Optus Communications Pty Ltd
       4134      255       1924       Data Communications Bureau
       4766      185       1431       Korea Internet Exchange for "
       4740      179         41       OzEmail ISP
       9443      172         54       Primus Telecommunications
       1659      165       1157       Taiwan Academic Network (TANe
       2521      165        172       PSINet Japan
      17557      153         12       Pakistan Telecom
       4812      143        308       China Telecom (Group) - Shang
       7539      142        120       TANet2, sponsored by NSC, TAI
       9583      141         47       Satyam Infoway Ltd.,
       4786      137         16       NetConnect Communications Pty
       9768      127        362       Korea Telecom
      17676      125       1952       XTAGE CORPORATION
       7657      122         23       The Internet Group Limited
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  Description
        702     1134       2641       UUNET Technologies, Inc. 
       3301      419        948       TeliaNet Sweden
       1257      268        500       SWIPnet Swedish IP Network
       3215      236        543       France Telecom / &Equant
        680      231       2148       DFN-IP service G-WiN
       5515      199        704       Sonera Finland Autonomous Sys
       3320      194       1959       Deutsche Telekom AG
        786      184       1890       The JANET IP Service
       8708      170         17       Romania Data Systems S.A.
        719      166        292       LANLINK autonomous system
       5400      138         62       Concert European Core Network
       2856      135        778       BTnet UK Regional network
       3303      131        561       Swisscom Ltd
       5549      122         82       Nextra Deutschland GmbH + Co.
        517      112        248       KPNQwest Germany GmbH
      12302      108          7       MobiFon S.A.
       1273      107        165       Cable & Wireless ECRC GmbH
       3269      107        809       TELECOM ITALIA
       1290      100        398       PSINet UK Ltd.
       8297       93         31       Teleglobe Autonomous System i
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  Description
        701     2238       9179       UUNET Technologies, Inc. 
       7018     1088       7347       AT&T 
       3967     1040        482       Exodus Communication 
          1      832       8548       BBN Planet 
       7046      732        919       UUNET Technologies, Inc. 
       1239      722       3387       Sprint 
       8010      719        106       PublicNet Communications, Inc
       4323      613        478       Time Warner Communications, I
        209      597       2217       Qwest 
       3908      578       1378       Supernet, Inc. 
        852      540        697       Telus Advanced Communications
        690      498         71       Merit Network 
       2914      480       2284       Verio, Inc. 
       2149      465        269       Performance Systems, Inc. 
        705      437        251       UUNET Technologies, Inc. 
       3549      397        889       Global Crossing 
       3561      388       2288       Cable & Wireless USA 
       7132      385        532       Southwestern Bell Internet Se
       4151      368       1255       USDA 
        577      350        625       Bell Advanced Communications 
      
      Global Per AS prefix count summary
      ----------------------------------
      
        ASN   No of nets  /20 equiv  Description
        701     2238       9179       UUNET Technologies, Inc. 
       1221     1535       1305       Telstra Pty Ltd
        702     1134       2641       UUNET Technologies, Inc. 
       7018     1088       7347       AT&T 
       3967     1040        482       Exodus Communication 
          1      832       8548       BBN Planet 
       7046      732        919       UUNET Technologies, Inc. 
       1239      722       3387       Sprint 
       8010      719        106       PublicNet Communications, Inc
       4323      613        478       Time Warner Communications, I
        209      597       2217       Qwest 
       3908      578       1378       Supernet, Inc. 
        852      540        697       Telus Advanced Communications
        690      498         71       Merit Network 
       2914      480       2284       Verio, Inc. 
       2149      465        269       Performance Systems, Inc. 
        705      437        251       UUNET Technologies, Inc. 
       3301      419        948       TeliaNet Sweden
       2764      406        357       connect.com.au pty ltd
       3549      397        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, 
      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 
      100.0.0.0/24         10061     Financial Supervisory Service
      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
      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      
      /13:87      /14:221     /15:388     /16:7053    /17:1344    /18:2419    
      /19:7078    /20:6031    /21:4706    /22:7102    /23:8867    /24:60670   
      /25:331     /26:319     /27:259     /28:233     /29:154     /30:182     
      /31:0       /32:60      
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
        701     1429          2238      UUNET Technologies, Inc. 
       1221     1391          1535      Telstra Pty Ltd
       3967      858          1040      Exodus Communication 
        702      775          1134      UUNET Technologies, Inc. 
       8010      703           719      PublicNet Communications, Inc
       7046      565           732      UUNET Technologies, Inc. 
       7018      558          1088      AT&T 
       4323      524           613      Time Warner Communications, I
        690      495           498      Merit Network 
        209      426           597      Qwest 
       3908      405           578      Supernet, Inc. 
       1239      401           722      Sprint 
          1      398           832      BBN Planet 
       2764      363           406      connect.com.au pty ltd
        852      360           540      Telus Advanced Communications
       2149      352           465      Performance Systems, Inc. 
        705      344           437      UUNET Technologies, Inc. 
       4151      323           368      USDA 
        703      314           385      UUNET Technologies, Inc. 
       4755      304           351      Videsh Sanchar Nigam Ltd. Aut
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         9:1        12:421      13:10       15:1        17:5        20:1      
        24:833      25:1        26:1        32:72       38:13       40:1      
        43:1        44:2        47:2        52:1        53:2        57:12     
        61:121      62:155      63:1888     64:1467     65:923      66:730    
        67:7        80:96      100:1       128:61      129:111     130:23     
       131:40      132:12      133:2       134:131     135:10      136:103    
       137:98      138:61      139:30      140:89      141:58      142:67     
       143:43      144:57      145:12      146:209     147:90      148:187    
       149:88      150:42      151:191     152:386     153:86      154:8      
       155:84      156:90      157:107     158:69      159:71      160:46     
       161:50      162:82      163:129     164:122     165:99      166:204    
       167:160     168:118     169:45      170:291     171:2       192:5341   
       193:2041    194:2078    195:840     196:444     198:3747    199:3383   
       200:2394    201:1       202:2881    203:4590    204:3314    205:2125   
       206:2626    207:2665    208:2753    209:2985    210:583     211:145    
       212:941     213:534     214:9       215:15      216:2965    217:432    
       218:6      
      
      End of report
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