[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, 1 Apr 2006 04:07:25 +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 01 Apr, 2006
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              186219
          Prefixes after maximum aggregation:                          102731
          Unique aggregates announced to Internet:                      90330
      Total ASes present in the Internet Routing Table:                 21863
      Origin-only ASes present in the Internet Routing Table:           19007
      Origin ASes announcing only one prefix:                            9047
      Transit ASes present in the Internet Routing Table:                2856
      Transit-only ASes present in the Internet Routing Table:             66
      Average AS path length visible in the Internet Routing Table:       4.5
          Max AS path length visible:                                      20
      Prefixes from unregistered ASNs in the Routing Table:                 6
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:             12
      Number of addresses announced to Internet:                   1499840864
          Equivalent to 89 /8s, 101 /16s and 193 /24s
          Percentage of available address space announced:               40.5
          Percentage of allocated address space announced:               59.7
          Percentage of available address space allocated:               67.8
      Total number of prefixes smaller than registry allocations:       91766
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    39000
          Total APNIC prefixes after maximum aggregation:               16352
      Prefixes being announced from the APNIC address blocks:           36703
          Unique aggregates announced from the APNIC address blocks:    17853
      APNIC Region origin ASes present in the Internet Routing Table:    2529
      APNIC Region origin ASes announcing only one prefix:                718
      APNIC Region transit ASes present in the Internet Routing Table:    389
      Average APNIC Region AS path length visible:                        4.5
          Max APNIC Region AS path length visible:                         15
      Number of APNIC addresses announced to Internet:              219775456
          Equivalent to 13 /8s, 25 /16s and 129 /24s
          Percentage of available APNIC address space announced:         68.7
      
      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, 121/8, 122/7, 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:                     97060
          Total ARIN prefixes after maximum aggregation:                57257
      Prefixes being announced from the ARIN address blocks:            76151
          Unique aggregates announced from the ARIN address blocks:     29023
      ARIN Region origin ASes present in the Internet Routing Table:    10614
      ARIN Region origin ASes announcing only one prefix:                3969
      ARIN Region transit ASes present in the Internet Routing Table:     975
      Average ARIN Region AS path length visible:                         4.3
          Max ARIN Region AS path length visible:                          19
      Number of ARIN addresses announced to Internet:               293489920
          Equivalent to 17 /8s, 126 /16s and 77 /24s
          Percentage of available ARIN address space announced:          72.9
      
      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, 74/7, 76/8,
                             198/7, 204/6, 208/7 and 216/8
      
      RIPE Region Analysis Summary
      ----------------------------
      
      Prefixes being announced by RIPE Region ASes:                     36776
          Total RIPE prefixes after maximum aggregation:                24644
      Prefixes being announced from the RIPE address blocks:            33826
          Unique aggregates announced from the RIPE address blocks:     22840
      RIPE Region origin ASes present in the Internet Routing Table:     7823
      RIPE Region origin ASes announcing only one prefix:                4094
      RIPE Region transit ASes present in the Internet Routing Table:    1300
      Average RIPE Region AS path length visible:                         5.0
          Max RIPE Region AS path length visible:                          19
      Number of RIPE addresses announced to Internet:               243039872
          Equivalent to 14 /8s, 124 /16s and 126 /24s
          Percentage of available RIPE address space announced:          72.4
      
      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, 38912-39935
      RIPE Address Blocks    62/8, 80/5, 88/6, 188/8, 193/8, 194/7, 212/7
                             and 217/8
      
      LACNIC Region Analysis Summary
      ------------------------------
      
      Prefixes being announced by LACNIC Region ASes:                   11300
          Total LACNIC prefixes after maximum aggregation:               3596
      Prefixes being announced from the LACNIC address blocks:           9453
          Unique aggregates announced from the LACNIC address blocks:    5293
      LACNIC Region origin ASes present in the Internet Routing Table:    682
      LACNIC Region origin ASes announcing only one prefix:               221
      LACNIC Region transit ASes present in the Internet Routing Table:   126
      Average LACNIC Region AS path length visible:                       5.2
          Max LACNIC Region AS path length visible:                        20
      Number of LACNIC addresses announced to Internet:              26291712
          Equivalent to 1 /8s, 145 /16s and 46 /24s
          Percentage of available LACNIC address space announced:        39.2
      
      LACNIC AS Blocks       26592-26623, 27648-28671, plus ERX transfers
      LACNIC Address Blocks  189/8, 190/8, 200/7
      
      AfriNIC Region Analysis Summary
      -------------------------------
      
      Prefixes being announced by AfriNIC Region ASes:                   2074
          Total AfriNIC prefixes after maximum aggregation:               882
      Prefixes being announced from the AfriNIC address blocks:          1404
          Unique aggregates announced from the AfriNIC address blocks:    915
      AfriNIC Region origin ASes present in the Internet Routing Table:   151
      AfriNIC Region origin ASes announcing only one prefix:               45
      AfriNIC Region transit ASes present in the Internet Routing Table:   25
      Average AfriNIC Region AS path length visible:                      4.5
          Max AfriNIC Region AS path length visible:                       14
      Number of AfriNIC addresses announced to Internet:              3951872
          Equivalent to 0 /8s, 60 /16s and 77 /24s
          Percentage of available AfriNIC address space announced:       11.8
      
      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     1010       6917         212   CHINANET-BACKBONE
       4755      891        259          69   Videsh Sanchar Nigam Ltd. Aut
       9583      874        109          16   Sify Limited
       4766      679       3924         304   Korea Telecom (KIX)
       1221      619       1555         473   Telstra Pty Ltd
       9498      560        211          71   BHARTI BT INTERNET LTD.
       7545      530        108          70   TPG Internet Pty Ltd
      17488      513         31           7   Hathway IP Over Cable Interne
      17676      484       6997         107   Softbank BB Corp.
       9443      416         95          82   Primus Telecommunications
       4802      376         91         171   Wantree Development
      17974      337         90          38   PT TELEKOMUNIKASI INDONESIA
       2907      336       1749         312   SINET Japan
      18101      325         69          24   Reliance Infocom Ltd Internet
      17557      321         27         165   Pakistan Telecom
      17849      318         20         104   Telecommunications Technology
       9929      316        218          54   China Netcom Corp.
       7474      307        211         233   SingTel Optus Pty Ltd
       4780      281        226          16   Digital United Inc.
       9837      269         77         165   Powertel Ltd
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       7018     1510       6264         967   AT&T WorldNet Services
       4323     1249        714         248   Time Warner Telecom
       6197     1008        615         471   BellSouth Network Solutions, 
        721     1004      21962         306   DLA Systems Automation Center
        174      958       5783         905   Cogent Communications
        701      942       8049         779   UUNET Technologies, Inc. 
      18566      925        272           8   Covad Communications 
       2386      873        521         666   AT&T Data Communications Serv
       1239      852       2804         602   Sprint 
      19029      784        152         112   New Edge Networks 
        209      700       3607         543   Qwest 
      20115      672        590         361   Charter Communications 
      19262      665       1968         156   Verizon Global Networks 
      22773      643       1480          40   Cox Communications, Inc.
      11492      627         86          20   Cable One 
       7011      619        213         400   Citizens Utilities 
        852      585       1089         389   Telus Advanced Communications
       6198      583        518         233   BellSouth Network Solutions, 
      19916      563         49          54   OLM LLC 
        855      546        244          64   Canadian Research Network 
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        702      586       1951         459   UUNET - Commercial IP service
       3301      308       1071         292   TeliaNet Sweden
       3352      307       1564          31   Ibernet, Internet Access Netw
       8220      287        473         266   COLT Telecommunications
       3320      282       3478         234   Deutsche Telekom AG
        680      245       2025         242   DFN-IP service G-WiN
       6746      230         89         204   Dynamic Network Technologies,
       3246      229        472         219   Song Networks
       8708      215        275         200   Romania Data Systems S.A.
       8551      203        198          24   Bezeq International
      24863      200         40           9   LINKdotNET AS number
       1257      198        711         173   SWIPnet Swedish IP Network
       3269      197       2086          76   TELECOM ITALIA
       3215      191       1598          89   France Telecom Transpac
       9121      174        931          26   TTnet Autonomous System
        786      171       1778         171   The JANET IP Service
       8866      171         37          15   Bulgarian Telecommunication C
       5400      168        329         137   BT Ignite European Backbone
       6830      167        765          35   UPC Distribution Services
       5515      161        839         120   Sonera Solution Autonomous Sy
      
      LACNIC Region per AS prefix count summary
      -----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       8151     1268       1083         230   UniNet S.A. de C.V. 
      22047      386        142          10   VTR PUNTO NET S.A. 
      11172      319        110          82   Servicios Alestra S.A de C.V 
      16814      280         18           7   NSS, S.A. 
      14117      185         12           6   Telefonica del Sur S.A. 
       7303      159         75          20   Telecom Argentina Stet-France
       6147      154        126          22   Telefonica Del Peru 
      11556      132         80           4   Cable-Wireless Panama 
       5639      127         12           9   Telecommunications Services o
      19169      123          8          32   Telconet 
      21826      123         16          20   INTERCABLE 
       6503      122        149          75   AVANTEL, S.A. 
      10481      121         48           8   Prima S.A. 
       6505      106         88          78   Global One Communicaoes Ltda 
      23216      100         20           7   RAMtelecom Telecomunicaciones
      18822       99          8          10   TELEFONICA MANQUEHUE 
       7315       96          6           3   Grupo Rey Moreno 
      25620       96          6           3   COTAS LTDA 
       4270       94         17           9   Red de Interconexion Universi
      14522       94         13           5   SatNet S.A. 
      
      AfriNIC Region per AS prefix count summary
      ------------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       3741      277        803         232   The Internet Solution 
       8452      167         60           7   TEDATA
       6713      145        135          11   Itissalat Al-MAGHRIB
      15475      131         84           4   Nile Online
       2018      123        314         104   Tertiary Education Network 
       5536      121          8          18   Internet Egypt Network
      24835       83         50           7   RAYA Telecom - Egypt
       2905       74        155          67   The Internetworking Company o
      20928       57         16           2   Noor Advanced Technologies AS
      12455       46          6           3   Jambonet Autonomous system
       5713       39        294          35   Telkom SA Ltd 
      15706       31          8           3   Sudatel Internet Exchange Aut
      33774       30          7          21   AS Number for Telecom Algeria
      23889       26          8          11   MAURITIUS TELECOM
       8524       24          1           4   AUCEGYPT Autonomous System
      16637       23         10          21   Johnnic e-Ventures 
      10798       22          1          13   Standard Bank of South Africa
       8346       20         13          17   SONATEL-AS Autonomous System
      21280       20          5           5   Swift Global Kenya Ltd.Is an 
       2561       19          6           2   Egyptian Universities Network
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
       8151      1268        1038      UniNet S.A. de C.V. 
       4323      1249        1001      Time Warner Telecom
      18566       925         917      Covad Communications 
       9583       874         858      Sify Limited
       4755       891         822      Videsh Sanchar Nigam Ltd. Aut
       4134      1010         798      CHINANET-BACKBONE
        721      1004         698      DLA Systems Automation Center
      19029       784         672      New Edge Networks 
      11492       627         607      Cable One 
      22773       643         603      Cox Communications, Inc.
       6197      1008         537      BellSouth Network Solutions, 
      19262       665         509      Verizon Global Networks 
      19916       563         509      OLM LLC 
      17488       513         506      Hathway IP Over Cable Interne
       5668       532         502      CenturyTel Internet Holdings,
       9498       560         489      BHARTI BT INTERNET LTD.
        855       546         482      Canadian Research Network 
       7545       530         460      TPG Internet Pty Ltd
       7757       473         454      AT&T Broadband 
       3602       539         430      Sprint Canada, Inc. 
      
      List of Unregistered ASNs (Global)
      ----------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
      65289   PRIVATE       148.164.1.0/24        4755       Videsh Sanchar Nigam
      65005   PRIVATE       159.153.148.0/22     24989       IX Europe Frankfurt 
      24409   UNALLOCATED   203.119.29.0/24       9808       Guangdong Mobile Com
      24808   UNALLOCATED   217.78.74.0/23       12491       IPPlanet
      24808   UNALLOCATED   217.78.76.0/23       12491       IPPlanet
      65412   PRIVATE       221.123.128.0/20     24405       Beijing CJWX Communi
      
      Advertised Unallocated Addresses
      --------------------------------
      
      Network            Origin AS  Description
      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
      183.206.196.0/24      2188     FR-RENATER-ASTER
      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 
      192.72.0.0/18         4780     Digital United Inc.
      192.72.0.0/16         4780     Digital United Inc.
      192.84.205.0/24        719     LANLINK autonomous system
      192.119.135.0/24       270     NASA 
      192.172.0.0/19         721     DLA Systems Automation Center
      
      Number of prefixes announced per prefix length (Global)
      -------------------------------------------------------
      
       /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
       /7:0        /8:17       /9:9       /10:8       /11:27      /12:88      
      /13:199     /14:357     /15:691     /16:8769    /17:3164    /18:5175    
      /19:11456   /20:12907   /21:11232   /22:14266   /23:15395   /24:101451  
      /25:343     /26:249     /27:217     /28:63      /29:68      /30:34      
      /31:0       /32:34      
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       8151      910          1268      UniNet S.A. de C.V. 
      18566      908           925      Covad Communications 
       7018      802          1510      AT&T WorldNet Services
       6197      797          1008      BellSouth Network Solutions, 
      19029      711           784      New Edge Networks 
       9583      695           874      Sify Limited
      11492      618           627      Cable One 
       4323      603          1249      Time Warner Telecom
       2386      597           873      AT&T Data Communications Serv
      19916      557           563      OLM LLC 
       7011      531           619      Citizens Utilities 
       4766      488           679      Korea Telecom (KIX)
       7757      455           473      AT&T Broadband 
       6198      440           583      BellSouth Network Solutions, 
        855      420           546      Canadian Research Network 
       5668      412           532      CenturyTel Internet Holdings,
       1239      378           852      Sprint 
        702      367           586      UUNET - Commercial IP service
      15270      364           394      PaeTec.net -a division of Pae
       6517      348           378      Yipes Communications, Inc. 
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:3         8:38       12:1623     13:1        15:11       16:3      
        17:3        18:4        20:43       24:880      25:1        30:2      
        32:67       38:207      40:53       44:3        47:6        52:4      
        55:1        56:3        57:33       58:153      59:191      60:175    
        61:836      62:813      63:1925     64:3117     65:2235     66:3098   
        67:617      68:700      69:1431     70:315      71:82       72:656    
        73:23       74:28       80:756      81:613      82:544      83:371    
        84:373      85:505      86:341      87:276      88:51       89:111    
       124:196     125:281     128:161     129:177     130:108     131:319    
       132:33      133:8       134:150     135:47      136:177     137:69     
       138:199     139:75      140:468     141:134     142:393     143:160    
       144:229     145:40      146:320     147:133     148:342     149:190    
       150:114     151:80      152:65      153:107     154:6       155:196    
       156:99      157:120     158:166     159:170     160:86      161:69     
       162:252     163:145     164:179     165:181     166:166     167:242    
       168:480     169:134     170:327     171:12      172:1       183:1      
       190:51      192:5767    193:3402    194:2563    195:1794    196:806    
       198:3874    199:3253    200:4316    201:1330    202:6561    203:6901   
       204:3937    205:2085    206:2426    207:2930    208:2039    209:3724   
       210:1919    211:737     212:1250    213:1438    214:332     215:42     
       216:4088    217:1169    218:240     219:179     220:654     221:352    
       222:160    
      
      End of report