[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, ausnog at ausnog dot net, sanog at sanog dot org
  • Subject: [apops] Weekly Routing Table Report
  • From: Routing Analysis Role Account <cscora at apnic dot net>
  • Date: Sat, 4 Aug 2007 04:03:31 +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
      
      For historical data, please see http://thyme.apnic.net.
      
      If you have any comments please contact Philip Smith <pfs at cisco dot com>.
      
      Routing Table Report   04:00 +10GMT Sat 04 Aug, 2007
      
      Report Website: http://thyme.apnic.net
      This report:    http://thyme.apnic.net/ap-data/2007/08/04/0400
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              227298
          Prefixes after maximum aggregation:                          119323
          Deaggregation factor:                                          1.90
          Unique aggregates announced to Internet:                     110484
      Total ASes present in the Internet Routing Table:                 25850
          Prefixes per ASN:                                              8.79
      Origin-only ASes present in the Internet Routing Table:           22525
      Origin ASes announcing only one prefix:                           10999
      Transit ASes present in the Internet Routing Table:                3325
      Transit-only ASes present in the Internet Routing Table:             78
      Average AS path length visible in the Internet Routing Table:       3.6
          Max AS path length visible:                                      21
          Max AS path prepend of ASN (35389)                               16
      Prefixes from unregistered ASNs in the Routing Table:                 8
          Unregistered ASNs in the Routing Table:                           4
      Prefixes from 32-bit ASNs in the Routing Table:                       5
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:             11
      Number of addresses announced to Internet:                   1743111648
          Equivalent to 103 /8s, 229 /16s and 197 /24s
          Percentage of available address space announced:               47.0
          Percentage of allocated address space announced:               61.6
          Percentage of available address space allocated:               76.4
      Total number of prefixes smaller than registry allocations:      119891
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    53242
          Total APNIC prefixes after maximum aggregation:               20681
          APNIC Deaggregation factor:                                    2.57
      Prefixes being announced from the APNIC address blocks:           50181
          Unique aggregates announced from the APNIC address blocks:    22059
      APNIC Region origin ASes present in the Internet Routing Table:    3024
          APNIC Prefixes per ASN:                                       16.59
      APNIC Region origin ASes announcing only one prefix:                814
      APNIC Region transit ASes present in the Internet Routing Table:    461
      Average APNIC Region AS path length visible:                        3.6
          Max APNIC Region AS path length visible:                         16
      Number of APNIC addresses announced to Internet:              306088608
          Equivalent to 18 /8s, 62 /16s and 138 /24s
          Percentage of available APNIC address space announced:         75.8
      
      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, 116/6, 120/6, 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:                    107633
          Total ARIN prefixes after maximum aggregation:                62571
          ARIN Deaggregation factor:                                     1.72
      Prefixes being announced from the ARIN address blocks:            79239
          Unique aggregates announced from the ARIN address blocks:     31555
      ARIN Region origin ASes present in the Internet Routing Table:    11715
          ARIN Prefixes per ASN:                                         6.76
      ARIN Region origin ASes announcing only one prefix:                4524
      ARIN Region transit ASes present in the Internet Routing Table:    1072
      Average ARIN Region AS path length visible:                         3.4
          Max ARIN Region AS path length visible:                          16
      Number of ARIN addresses announced to Internet:               341376000
          Equivalent to 20 /8s, 88 /16s and 252 /24s
          Percentage of available ARIN address space announced:          75.4
      
      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, 39936-40959
      ARIN Address Blocks    24/8, 63/8, 64/5, 72/6, 76/8, 96/6, 199/8, 204/6,
                             208/7 and 216/8
      
      RIPE Region Analysis Summary
      ----------------------------
      
      Prefixes being announced by RIPE Region ASes:                     47791
          Total RIPE prefixes after maximum aggregation:                30676
          RIPE Deaggregation factor:                                     1.56
      Prefixes being announced from the RIPE address blocks:            44142
          Unique aggregates announced from the RIPE address blocks:     29072
      RIPE Region origin ASes present in the Internet Routing Table:     9997
          RIPE Prefixes per ASN:                                         4.42
      RIPE Region origin ASes announcing only one prefix:                5327
      RIPE Region transit ASes present in the Internet Routing Table:    1581
      Average RIPE Region AS path length visible:                         4.0
          Max RIPE Region AS path length visible:                          21
      Number of RIPE addresses announced to Internet:               323531264
          Equivalent to 19 /8s, 72 /16s and 178 /24s
          Percentage of available RIPE address space announced:          74.2
      
      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, 38912-39935
                             40960-44031
      RIPE Address Blocks    62/8, 77/8, 78/7, 80/4, 193/8, 194/7, 212/7
                             and 217/8
      
      LACNIC Region Analysis Summary
      ------------------------------
      
      Prefixes being announced by LACNIC Region ASes:                   16002
          Total LACNIC prefixes after maximum aggregation:               4357
          LACNIC Deaggregation factor:                                   3.67
      Prefixes being announced from the LACNIC address blocks:          14062
          Unique aggregates announced from the LACNIC address blocks:    7787
      LACNIC Region origin ASes present in the Internet Routing Table:    835
          LACNIC Prefixes per ASN:                                      16.84
      LACNIC Region origin ASes announcing only one prefix:               271
      LACNIC Region transit ASes present in the Internet Routing Table:   140
      Average LACNIC Region AS path length visible:                       4.1
          Max LACNIC Region AS path length visible:                        19
      Number of LACNIC addresses announced to Internet:              41377024
          Equivalent to 2 /8s, 119 /16s and 93 /24s
          Percentage of available LACNIC address space announced:        61.7
      
      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:                   2619
          Total AfriNIC prefixes after maximum aggregation:              1028
          AfriNIC Deaggregation factor:                                  2.55
      Prefixes being announced from the AfriNIC address blocks:          2164
          Unique aggregates announced from the AfriNIC address blocks:   1293
      AfriNIC Region origin ASes present in the Internet Routing Table:   200
          AfriNIC Prefixes per ASN:                                     10.82
      AfriNIC Region origin ASes announcing only one prefix:               63
      AfriNIC Region transit ASes present in the Internet Routing Table:   31
      Average AfriNIC Region AS path length visible:                      3.7
          Max AfriNIC Region AS path length visible:                       14
      Number of AfriNIC addresses announced to Internet:              6375680
          Equivalent to 0 /8s, 97 /16s and 73 /24s
          Percentage of available AfriNIC address space announced:       19.0
      
      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     1369      11014         286   CHINANET-BACKBONE
       4755     1311        382          71   Videsh Sanchar Nigam Ltd. Aut
       9583     1122         80         399   Sify Limited
       9498     1008        533          69   BHARTI BT INTERNET LTD.
       4766      796       4930         316   Korea Telecom (KIX)
      23577      788         34         685   Korea Telecom (ATM-MPLS)
      17488      738         48          58   Hathway IP Over Cable Interne
       7545      696        146         117   TPG Internet Pty Ltd
      18101      578        117          41   Reliance Infocom Ltd Internet
       1221      549       1951         427   Telstra Pty Ltd
       4812      530        915          96   China Telecom (Shanghai)
       4668      512         68          10   LG-EDS Systems Inc.
      17676      504      10935          65   Softbank BB Corp.
       4808      479        768         110   CNCGROUP IP network: China169
       9443      471        122          77   Primus Telecommunications
       7474      415        218         269   SingTel Optus Pty Ltd
       4802      414        108         153   Wantree Development
      17974      363        130          13   PT TELEKOMUNIKASI INDONESIA
       9829      362        258          14   BSNL National Internet Backbo
       4837      352       4944         164   chinanet IDC center beijing n
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       7018     1475       6075         999   AT&T WorldNet Services
       4323     1326       1020         370   Time Warner Telecom
       2386     1192        614         739   AT&T Data Communications Serv
      11492     1115        109          15   Cable One 
       6478     1104        319         206   AT&T Worldnet Services 
       6197     1028        717         509   BellSouth Network Solutions, 
      18566     1017        288           9   Covad Communications 
        174      965       6776         855   Cogent Communications
        701      939       6546         716   UUNET Technologies, Inc. 
       7011      899        258         545   Citizens Utilities 
       1239      814       2742         580   Sprint 
      20115      806        740         431   Charter Communications 
      19262      768       2765         187   Verizon Global Networks 
      22773      750       2148          49   Cox Communications, Inc.
        209      748       3871         593   Qwest 
       5668      627        171          23   CenturyTel Internet Holdings,
       6517      576        161          37   Yipes Communications, Inc. 
        855      575        254          73   Canadian Research Network 
        852      573       1093         364   Telus Advanced Communications
       6198      569        613         259   BellSouth Network Solutions, 
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       2119      515       1075         138   Telenor Internet Access
        702      503       1922         404   UUNET - Commercial IP service
      24863      361         56          41   LINKdotNET AS number
       9116      323        168          26   Goldenlines main autonomous s
       3320      313       6035         259   Deutsche Telekom AG
       3301      312       1456         292   TeliaNet Sweden
       6746      287        130         263   Dynamic Network Technologies,
       5089      268       1658          53   NTL Group Limited
        680      264       2044         255   DFN-IP service G-WiN
       8220      260        445         243   COLT Telecommunications
       3215      255       2376          96   France Telecom Transpac
       8708      252        420         241   Romania Data Systems S.A.
       3352      224       1864          41   Ibernet, Internet Access Netw
       3269      221       2775          73   TELECOM ITALIA
       8551      215        212          27   Bezeq International
       9121      210       1441          24   TTnet Autonomous System
       1257      194       1195         172   SWIPnet Swedish IP Network
       3292      194       1379         174   TDC Tele Danmark
      12479      192        578           6   Uni2 Autonomous System
       3246      185        253         176   Song Networks
      
      LACNIC Region per AS prefix count summary
      -----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       8151      885       1957         212   UniNet S.A. de C.V. 
      11830      483        299           9   Instituto Costarricense de El
      16814      426         26           9   NSS, S.A. 
      11172      377        116          63   Servicios Alestra S.A de C.V 
      14522      334         28           7   SatNet S.A. 
       7303      318        152          39   Telecom Argentina Stet-France
      22047      318        246          13   VTR PUNTO NET S.A. 
       6471      312         75          31   ENTEL CHILE S.A. 
      14117      281         19          15   Telefonica del Sur S.A. 
      10481      261        104           9   Prima S.A. 
      11556      229        128           3   Cable-Wireless Panama 
       6147      226        174          26   Telefonica Del Peru 
      10620      217         61          19   TVCABLE BOGOTA 
       6503      203        172          85   AVANTEL, S.A. 
      23216      196         16          43   RAMtelecom Telecomunicaciones
       8163      177         11           6   METROTEL REDES S.A. 
      20299      164         24          22   NEWCOM AMERICAS 
       7738      159        506          23   Telecomunicacoes da Bahia S.A
       7910      159         11          28   ANDINET ON LINE 
      19169      157         10          23   Telconet 
      
      AfriNIC Region per AS prefix count summary
      ------------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       3741      282        867         223   The Internet Solution 
       8452      227        188           7   TEDATA
       6713      142        135          11   Itissalat Al-MAGHRIB
       2018      138        301         115   Tertiary Education Network 
      33783      126          8          11   EEPAD TISP TELECOM & INTERNET
       5536      124          8          10   Internet Egypt Network
      24835       89         48           6   RAYA Telecom - Egypt
      15475       77         84           4   Nile Online
       2905       75        174          72   The Internetworking Company o
       2561       62          6           2   Egyptian Universities Network
      15706       56         12           4   Sudatel Internet Exchange Aut
      23889       52         24          15   MAURITIUS TELECOM
       5713       46        294          36   Telkom SA Ltd 
      33774       46         29          24   AS Number for Telecom Algeria
      33776       38          2           4   Starcomms Nigeria Limited
      16637       37         21          29   Johnnic e-Ventures 
       8524       32          2           8   AUCEGYPT Autonomous System
      12455       30          6           3   Jambonet Autonomous system
      21280       29          4           4   Swift Global Kenya Ltd.Is an 
      10798       24          2          15   Standard Bank of South Africa
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
       4755      1311        1240      Videsh Sanchar Nigam Ltd. Aut
      11492      1115        1100      Cable One 
       4134      1369        1083      CHINANET-BACKBONE
      18566      1017        1008      Covad Communications 
       4323      1326         956      Time Warner Telecom
       9498      1008         939      BHARTI BT INTERNET LTD.
       6478      1104         898      AT&T Worldnet Services 
       9583      1122         723      Sify Limited
      22773       750         701      Cox Communications, Inc.
      17488       738         680      Hathway IP Over Cable Interne
       8151       885         673      UniNet S.A. de C.V. 
       5668       627         604      CenturyTel Internet Holdings,
      19262       768         581      Verizon Global Networks 
       7545       696         579      TPG Internet Pty Ltd
       6517       576         539      Yipes Communications, Inc. 
      18101       578         537      Reliance Infocom Ltd Internet
      15270       565         528      PaeTec.net -a division of Pae
       6197      1028         519      BellSouth Network Solutions, 
      19916       568         517      OLM LLC 
        855       575         502      Canadian Research Network 
      
      List of Unregistered Origin ASNs (Global)
      -----------------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
      64513   PRIVATE       63.171.234.0/26       1803       SPRINT 
      64513   PRIVATE       63.171.234.64/26      1803       SPRINT 
      64513   PRIVATE       63.171.234.128/26     1803       SPRINT 
      64513   PRIVATE       63.171.234.192/26     1803       SPRINT 
      38347   UNALLOCATED   116.212.160.0/21      9389       BEIJING SHENZHOU GRE
      38347   UNALLOCATED   116.212.168.0/21      9389       BEIJING SHENZHOU GRE
      65535   PRIVATE       193.203.218.0/23     38931       Traffic-Media
      24410   UNALLOCATED   203.119.28.0/24       4134       CHINANET-BACKBONE
      
      Advertised Unallocated Addresses
      --------------------------------
      
      Network            Origin AS  Description
      7.1.1.0/24            1239     Sprint 
      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
      172.33.1.0/24         7018     AT&T WorldNet Services
      192.0.10.0/24         9498     BHARTI BT INTERNET LTD.
      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 
      192.153.136.0/21       721     DLA Systems Automation Center
      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        /8:18       /9:9       /10:15      /11:36      /12:130     
      /13:256     /14:468     /15:903     /16:9568    /17:4025    /18:6558    
      /19:13834   /20:16097   /21:14649   /22:18989   /23:19907   /24:119486  
      /25:765     /26:1011    /27:485     /28:76      /29:5       /30:0       
      /31:0       /32:8       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
      11492     1106          1115      Cable One 
       6478     1103          1104      AT&T Worldnet Services 
      18566      999          1017      Covad Communications 
       9583      964          1122      Sify Limited
       2386      886          1192      AT&T Data Communications Serv
       7018      809          1475      AT&T WorldNet Services
       7011      797           899      Citizens Utilities 
       6197      782          1028      BellSouth Network Solutions, 
      23577      779           788      Korea Telecom (ATM-MPLS)
       4755      702          1311      Videsh Sanchar Nigam Ltd. Aut
       9498      678          1008      BHARTI BT INTERNET LTD.
       4766      595           796      Korea Telecom (KIX)
      19916      563           568      OLM LLC 
      17488      561           738      Hathway IP Over Cable Interne
       4323      558          1326      Time Warner Telecom
       6517      541           576      Yipes Communications, Inc. 
      15270      530           565      PaeTec.net -a division of Pae
       4668      502           512      LG-EDS Systems Inc.
       5668      492           627      CenturyTel Internet Holdings,
      18101      490           578      Reliance Infocom Ltd Internet
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:8         7:1         8:84        9:1        12:1795     15:19     
        16:3        17:3        18:12       20:37       24:925      25:1      
        32:57       33:3        38:342      40:60       41:230      44:2      
        47:4        52:4        55:3        56:3        57:25       58:468    
        59:381      60:345      61:997      62:886      63:1991     64:3136   
        65:2349     66:3312     67:757      68:627      69:1929     70:446    
        71:103      72:1375     73:2        74:595      75:256      76:87     
        77:265      78:27       80:830      81:827      82:671      83:374    
        84:550      85:851      86:339      87:456      88:289      89:951    
        90:13       91:453      97:6        98:4       116:270     117:90     
       121:252     122:579     123:141     124:873     125:971     128:291    
       129:212     130:140     131:362     132:54      133:9       134:193    
       135:39      136:184     137:81      138:149     139:71      140:494    
       141:172     142:378     143:236     144:284     145:46      146:325    
       147:120     148:403     149:143     150:111     151:160     152:90     
       153:122     154:2       155:257     156:157     157:212     158:158    
       159:165     160:108     161:95      162:217     163:181     164:470    
       165:395     166:283     167:293     168:507     169:121     170:411    
       171:22      172:1       189:70      190:915     192:5756    193:3948   
       194:3170    195:2262    196:973     198:3802    199:3281    200:5041   
       201:1153    202:7384    203:7565    204:3942    205:1956    206:2417   
       207:2802    208:2740    209:3473    210:2418    211:966     212:1286   
       213:1460    214:414     215:40      216:3989    217:1164    218:353    
       219:384     220:1013    221:412     222:267    
      
      End of report