[apops] Weekly Routing Table Report

  • To: apops at apops dot net, nanog at nanog dot org, routing-wg at ripe dot net, afnog at afnog dot org
  • Subject: [apops] Weekly Routing Table Report
  • From: Routing Table Analysis <cscora at apnic dot net>
  • Date: Sat, 18 Jun 2005 04:06:17 +1000 (EST)
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  • Reply-to: pfs@cisco.com
    • Routing Table as seen from APNIC's router in Japan.
      Daily listings are sent to bgp-stats at lists dot apnic dot net
      
      If you have any comments please contact Philip Smith <pfs at cisco dot com>.
      
      Routing Table Report   04:00 +10GMT Sat 18 Jun, 2005
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              165397
          Prefixes after maximum aggregation:                           95434
          Unique aggregates announced to Internet:                      79395
      Total ASes present in the Internet Routing Table:                 19882
      Origin-only ASes present in the Internet Routing Table:           17316
      Origin ASes announcing only one prefix:                            8118
      Transit ASes present in the Internet Routing Table:                2566
      Transit-only ASes present in the Internet Routing Table:             73
      Average AS path length visible in the Internet Routing Table:       4.5
          Max AS path length visible:                                      24
      Prefixes from unregistered ASNs in the Routing Table:                17
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:             15
      Number of addresses announced to Internet:                   1401700320
          Equivalent to 83 /8s, 140 /16s and 63 /24s
          Percentage of available address space announced:               37.8
          Percentage of allocated address space announced:               59.4
          Percentage of available address space allocated:               63.7
      Total number of prefixes smaller than registry allocations:       78031
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    34130
          Total APNIC prefixes after maximum aggregation:               15802
      Prefixes being announced from the APNIC address blocks:           32016
          Unique aggregates announced from the APNIC address blocks:    15851
      APNIC Region origin ASes present in the Internet Routing Table:    2291
      APNIC Region origin ASes announcing only one prefix:                670
      APNIC Region transit ASes present in the Internet Routing Table:    344
      Average APNIC Region AS path length visible:                        4.4
          Max APNIC Region AS path length visible:                         17
      Number of APNIC addresses announced to Internet:              187147392
          Equivalent to 11 /8s, 39 /16s and 164 /24s
          Percentage of available APNIC address space announced:         69.4
      
      APNIC AS Blocks        4608-4864, 7467-7722, 9216-10239, 17408-18431
      (pre-ERX allocations)  23552-24575, 37888-38911
      APNIC Address Blocks   58/7, 60/7, 124/7, 126/8, 202/7, 210/7, 218/7,
                             220/7 and 222/8
      
      ARIN Region Analysis Summary
      ----------------------------
      
      Prefixes being announced by ARIN Region ASes:                     89145
          Total ARIN prefixes after maximum aggregation:                54093
      Prefixes being announced from the ARIN address blocks:            69679
          Unique aggregates announced from the ARIN address blocks:     25491
      ARIN Region origin ASes present in the Internet Routing Table:    10019
      ARIN Region origin ASes announcing only one prefix:                3671
      ARIN Region transit ASes present in the Internet Routing Table:     937
      Average ARIN Region AS path length visible:                         4.3
          Max ARIN Region AS path length visible:                          18
      Number of ARIN addresses announced to Internet:               250583808
          Equivalent to 14 /8s, 239 /16s and 155 /24s
          Percentage of available ARIN address space announced:          71.1
      
      ARIN AS Blocks         1-1876, 1902-2042, 2044-2046, 2048-2106
      (pre-ERX allocations)  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, 25600-26591,
                             26624-27647, 29696-30719, 31744-33791
                             35840-36863
      ARIN Address Blocks    24/8, 63/8, 64/6, 68/7, 70/6, 198/7, 204/6,
                             208/7 and 216/8
      
      RIPE Region Analysis Summary
      ----------------------------
      
      Prefixes being announced by RIPE Region ASes:                     31449
          Total RIPE prefixes after maximum aggregation:                21642
      Prefixes being announced from the RIPE address blocks:            28502
          Unique aggregates announced from the RIPE address blocks:     19126
      RIPE Region origin ASes present in the Internet Routing Table:     6755
      RIPE Region origin ASes announcing only one prefix:                3554
      RIPE Region transit ASes present in the Internet Routing Table:    1118
      Average RIPE Region AS path length visible:                         5.2
          Max RIPE Region AS path length visible:                          24
      Number of RIPE addresses announced to Internet:               208788800
          Equivalent to 12 /8s, 113 /16s and 221 /24s
          Percentage of available RIPE address space announced:          73.2
      
      RIPE AS Blocks         1877-1901, 2043, 2047, 2107-2136, 2585-2614
      (pre-ERX allocations)  2773-2822, 2830-2879, 3154-3353, 5377-5631
                             6656-6911, 8192-9215, 12288-13311, 15360-16383
                             20480-21503, 24576-25599, 28672-29695
                             30720-31743, 33792-35839
      RIPE Address Blocks    62/8, 80/5, 88/8, 188/8, 193/8, 194/7, 212/7
                             and 217/8
      
      LACNIC Region Analysis Summary
      ------------------------------
      
      Prefixes being announced by LACNIC Region ASes:                    8986
          Total LACNIC prefixes after maximum aggregation:               3127
      Prefixes being announced from the LACNIC address blocks:           7348
          Unique aggregates announced from the LACNIC address blocks:    4281
      LACNIC Region origin ASes present in the Internet Routing Table:    621
      LACNIC Region origin ASes announcing only one prefix:               188
      LACNIC Region transit ASes present in the Internet Routing Table:   112
      Average LACNIC Region AS path length visible:                       5.2
          Max LACNIC Region AS path length visible:                        21
      Number of LACNIC addresses announced to Internet:              20236832
          Equivalent to 1 /8s, 52 /16s and 202 /24s
          Percentage of available LACNIC address space announced:        60.3
      
      LACNIC AS Blocks       26592-26623, 27648-28671, plus ERX transfers
      LACNIC Address Blocks  200/7
      
      AfriNIC Region Analysis Summary
      -------------------------------
      
      Prefixes being announced by AfriNIC Region ASes:                   1664
          Total AfriNIC prefixes after maximum aggregation:               770
      Prefixes being announced from the AfriNIC address blocks:          1015
          Unique aggregates announced from the AfriNIC address blocks:    781
      AfriNIC Region origin ASes present in the Internet Routing Table:   128
      AfriNIC Region origin ASes announcing only one prefix:               35
      AfriNIC Region transit ASes present in the Internet Routing Table:   16
      Average AfriNIC Region AS path length visible:                      4.7
          Max AfriNIC Region AS path length visible:                       12
      Number of AfriNIC addresses announced to Internet:              2294272
          Equivalent to 0 /8s, 35 /16s and 2 /24s
          Percentage of available AfriNIC address space announced:        6.8
      
      AfriNIC AS Blocks      36864-37887 & ERX transfers
      AfriNIC Address Blocks 41/8, 196/8
      
      APNIC Region per AS prefix count summary
      ----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       4134      916       5150         192   CHINANET-BACKBONE
       1221      760       1454         542   Telstra Pty Ltd
       9583      757         76          13   Sify Limited
       4755      632        247         140   Videsh Sanchar Nigam Ltd. Aut
       4766      596       3413         279   Korea Telecom (KIX)
       7545      500        104          71   TPG Internet Pty Ltd
      17676      436       6589          75   Softbank BB Corp.
       9443      364         77          76   Primus Telecommunications
       9929      356        221          48   China Netcom Corp.
      10036      345         65         311   C&M Communication Co. Ltd.
       2907      339       1805         316   SINET Japan
       9498      321         83          61   BHARTI BT INTERNET LTD.
      17557      317         22         152   Pakistan Telecom
       7474      312        271         216   SingTel Optus Pty Ltd
       4802      282         49         161   Wantree Development
       4808      282        245         160   CNCGROUP IP network: China169
      17974      265         65          14   PT TELEKOMUNIKASI INDONESIA
      18302      261        108         148   SK Global co., Ltd
        703      253        276         207   UUNET - Commercial IP service
       2764      253        238         199   AAPT Limited
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       7018     1497       6461         974   AT&T WorldNet Services
        174     1343       5793        1069   Cogent Communications
       4323     1121        647         217   Time Warner Telecom
        721     1110      21787         313   DLA Systems Automation Center
        701     1010       8168         853   UUNET Technologies, Inc. 
       6197      927        526         429   BellSouth Network Solutions, 
       2386      892        527         659   AT&T Data Communications Serv
       1239      891       2871         644   Sprint 
      18566      819        224           7   Covad Communications 
      20115      644        492         317   Charter Communications 
        209      631       3506         497   Qwest 
      27364      565         43          18   Armstrong Cable Services 
       3356      557      10821         427   Level 3 Communications, LLC 
       3602      541        123         100   Sprint Canada, Inc. 
       3561      538       2385         422   Savvis
        852      526       1093         388   Telus Advanced Communications
      22773      495       1188          23   Cox Communications, Inc.
       5668      489        115          25   CenturyTel Internet Holdings,
       7725      487         60          15   MediaOne 
       6198      464        416         218   BellSouth Network Solutions, 
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        702      597       2001         489   UUNET - Commercial IP service
       3320      306       3232         242   Deutsche Telekom AG
       3301      294       1080         282   TeliaNet Sweden
       8220      270        469         266   COLT Telecommunications
        680      252       2041         238   DFN-IP service G-WiN
       8708      233        254         216   Romania Data Systems S.A.
       3246      226        488         221   Song Networks
       1257      198        712         174   SWIPnet Swedish IP Network
       5515      179        778         129   Sonera Solution Autonomous Sy
        786      176       1794         176   The JANET IP Service
       6746      169         47         147   Dynamic Network Technologies,
        719      168        340         101   LANLINK autonomous system
       3269      168       1520          71   TELECOM ITALIA
       5400      164        285         137   BT Ignite European Backbone
       8866      158         21          11   Bulgarian Telecommunication C
       3300      155        184          87   AUCS Communications Services 
       6830      138        529          28   UPC Distribution Services
       9121      136        271          34   TTnet Autonomous System
       3352      135       1256          37   Ibernet, Internet Access Netw
      25186      135        137          95   France Telecom Transpac's Tra
      
      LACNIC Region per AS prefix count summary
      -----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       8151      404        601         166   UniNet S.A. de C.V. 
      16814      264         16          12   NSS, S.A. 
      11172      219         98          53   Servicios Alestra S.A de C.V 
      11664      198         19          23   Keytech SA 
       6147      197        110          21   Telefonica Del Peru 
      14117      152          9           5   Telefonica del Sur S.A. 
       7303      149         68          21   Telecom Argentina Stet-France
       6505      132         90          89   Global One Communicaoes Ltda 
      22047      131         96           6   VTR PUNTO NET S.A. 
      11556      130         64           3   Cable-Wireless Panama 
      19632      109         14           5   Metropolis Intercom S.A. 
      13999      107         52           9   Mega Cable S.A. de C.V. 
      18822      107          7          13   TELEFONICA MANQUEHUE 
      19169      105          7          20   Telconet 
      10481      101         40           7   Prima S.A. 
       6503      100        146          72   AVANTEL, S.A. 
      21826       95         13          20   INTERCABLE 
      22927       95         73          25   TELEFONICA DE ARGENTINA 
       5639       94         12           9   Telecommunications Services o
      23216       93         24          23   RAMtelecom Telecomunicaciones
      
      AfriNIC Region per AS prefix count summary
      ------------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       3741      266        637         223   The Internet Solution 
       5536      119         15          17   Internet Egypt Network
      20928       95         16           1   Noor Advanced Technologies AS
       2018       91        295          86   Tertiary Education Network 
       8452       82         28           6   TEDATA
       2905       75        266          67   The Internetworking Company o
       6713       59         54           8   Itissalat Al-MAGHRIB
      24835       57         34           6   RAYA Telecom - Egypt
       9129       45          3           3   UUNET Kenya
      12455       40          6           3   Jambonet Autonomous system
       5713       36        142          29   Telkom SA Ltd 
      15475       34         84           4   Nile Online
      15706       31          8           3   Sudatel Internet Exchange Aut
       8524       25          1           4   AUCEGYPT Autonomous System
      16637       22         10          19   Johnnic e-Ventures 
      33765       20          3           8   TANZANIA TELECOMMUNICATIONS C
      10798       19          1          11   Standard Bank of South Africa
      23889       19          5           8   MAURITIUS TELECOM
      21491       18          1           1   UTL On-line is RF broadband I
      12258       17          3          11   Vodacom Internet Company 
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
       4323      1121         904      Time Warner Telecom
      18566       819         812      Covad Communications 
        721      1110         797      DLA Systems Automation Center
       9583       757         744      Sify Limited
       4134       916         724      CHINANET-BACKBONE
      27364       565         547      Armstrong Cable Services 
       6197       927         498      BellSouth Network Solutions, 
       4755       632         492      Videsh Sanchar Nigam Ltd. Aut
      22773       495         472      Cox Communications, Inc.
       7725       487         472      MediaOne 
       5668       489         464      CenturyTel Internet Holdings,
       3602       541         441      Sprint Canada, Inc. 
       7545       500         429      TPG Internet Pty Ltd
       6467       427         393      E.Spire Communications, Inc. 
      17676       436         361      Softbank BB Corp.
       6140       403         330      ImpSat
      20115       644         327      Charter Communications 
       4766       596         317      Korea Telecom (KIX)
       9929       356         308      China Netcom Corp.
      19262       405         301      Verizon Global Networks 
      
      List of Unregistered ASNs (Global)
      ----------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
      65050   PRIVATE       168.96.148.0/24       6140       ImpSat
      65004   PRIVATE       200.0.113.0/24       28477       Universidad Autonoma
      65004   PRIVATE       200.4.0.0/24         28477       Universidad Autonoma
      65004   PRIVATE       200.4.1.0/24         28477       Universidad Autonoma
      65004   PRIVATE       200.4.2.0/24         28477       Universidad Autonoma
      65004   PRIVATE       200.4.3.0/24         28477       Universidad Autonoma
      65004   PRIVATE       200.4.4.0/24         28477       Universidad Autonoma
      65004   PRIVATE       200.4.5.0/24         28477       Universidad Autonoma
      65004   PRIVATE       200.4.6.0/24         28477       Universidad Autonoma
      65004   PRIVATE       200.4.7.0/24         28477       Universidad Autonoma
      64512   PRIVATE       200.61.32.0/23       11664       Keytech SA 
      64512   PRIVATE       200.61.62.0/23       11664       Keytech SA 
      64512   PRIVATE       200.80.154.0/23      11664       Keytech SA 
      65005   PRIVATE       203.200.197.0/24      4755       Videsh Sanchar Nigam
      65444   PRIVATE       212.25.125.0/24       8551       Bezeq International
      65529   PRIVATE       216.21.199.0/24      14697       VDot.Net 
      65529   PRIVATE       216.152.237.0/24     14697       VDot.Net 
      
      Advertised Unallocated Addresses
      --------------------------------
      
      Network            Origin AS  Description
      50.160.0.0/13         1221     Telstra Pty Ltd
      132.0.0.0/10           721     DLA Systems Automation Center
      137.0.0.0/13           721     DLA Systems Automation Center
      158.0.0.0/13           721     DLA Systems Automation Center
      172.32.0.0/24         7011     Citizens Utilities 
      192.43.230.0/24       7575     Australian Academic and Rease
      192.44.0.0/24         5501     Fraunhofer Gesellschaft
      192.44.0.0/19          702     UUNET - Commercial IP service
      192.70.164.0/24      25689     National Research Council of 
      192.84.205.0/24        719     LANLINK autonomous system
      192.119.135.0/24       270     NASA 
      192.135.50.0/24       7018     AT&T WorldNet Services
      192.169.0.0/23        3970     RGnet, Inc. 
      192.172.0.0/19         721     DLA Systems Automation Center
      192.200.100.0/24      7018     AT&T WorldNet Services
      
      Number of prefixes announced per prefix length (Global)
      -------------------------------------------------------
      
       /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
       /7:0        /8:18       /9:3       /10:8       /11:15      /12:73      
      /13:159     /14:310     /15:592     /16:8424    /17:2593    /18:4439    
      /19:10410   /20:11300   /21:9265    /22:12739   /23:13788   /24:90295   
      /25:338     /26:290     /27:166     /28:42      /29:28      /30:69      
      /31:0       /32:33      
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
      18566      803           819      Covad Communications 
       6197      755           927      BellSouth Network Solutions, 
       7018      688          1497      AT&T WorldNet Services
       2386      607           892      AT&T Data Communications Serv
       9583      574           757      Sify Limited
      27364      556           565      Armstrong Cable Services 
       4323      542          1121      Time Warner Telecom
       7725      458           487      MediaOne 
       4766      414           596      Korea Telecom (KIX)
       5668      403           489      CenturyTel Internet Holdings,
       1239      379           891      Sprint 
        702      369           597      UUNET - Commercial IP service
       6198      338           464      BellSouth Network Solutions, 
      10036      335           345      C&M Communication Co. Ltd.
       7011      304           354      Citizens Utilities 
       6467      294           427      E.Spire Communications, Inc. 
      15270      282           304      PaeTec.net -a division of Pae
      20115      280           644      Charter Communications 
       9929      275           356      China Netcom Corp.
        174      274          1343      Cogent Communications
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:4         8:15       12:1547     13:1        15:9        16:2      
        17:3        18:3        20:4        24:1172     30:2        32:69     
        33:4        38:131      40:54       44:3        47:2        52:4      
        55:2        56:3        57:27       58:91       59:47       60:54     
        61:784      62:625      63:1874     64:2775     65:2085     66:2908   
        67:586      68:537      69:1048     70:116      71:9        72:232    
        80:584      81:557      82:429      83:274      84:207      85:252    
        86:24      128:186     129:172     130:87      131:296     132:38     
       133:1       134:145     135:39      136:133     137:69      138:168    
       139:60      140:195     141:99      142:149     143:145     144:192    
       145:33      146:286     147:108     148:315     149:171     150:105    
       151:65      152:107     153:87      154:5       155:142     156:78     
       157:97      158:160     159:172     160:77      161:69      162:326    
       163:92      164:211     165:179     166:156     167:237     168:427    
       169:140     170:311     171:8       172:1       192:5727    193:3185   
       194:2401    195:1559    196:660     198:3926    199:3323    200:4004   
       201:169     202:5822    203:6343    204:3800    205:2051    206:2531   
       207:2841    208:2058    209:3319    210:1709    211:842     212:1219   
       213:1319    214:255     215:32      216:3502    217:1152    218:207    
       219:108     220:391     221:232     222:110    
      
      End of report