[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, 11 Aug 2007 04:03:23 +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 11 Aug, 2007
      
      Report Website: http://thyme.apnic.net
      This report:    http://thyme.apnic.net/ap-data/2007/08/11/0400
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              227875
          Prefixes after maximum aggregation:                          119464
          Deaggregation factor:                                          1.91
          Unique aggregates announced to Internet:                     110970
      Total ASes present in the Internet Routing Table:                 25926
          Prefixes per ASN:                                              8.79
      Origin-only ASes present in the Internet Routing Table:           22589
      Origin ASes announcing only one prefix:                           11046
      Transit ASes present in the Internet Routing Table:                3337
      Transit-only ASes present in the Internet Routing Table:             75
      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:                 7
          Unregistered ASNs in the Routing Table:                           3
      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:                   1749388768
          Equivalent to 104 /8s, 69 /16s and 141 /24s
          Percentage of available address space announced:               47.2
          Percentage of allocated address space announced:               61.8
          Percentage of available address space allocated:               76.4
      Total number of prefixes smaller than registry allocations:      120402
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    53191
          Total APNIC prefixes after maximum aggregation:               20712
          APNIC Deaggregation factor:                                    2.57
      Prefixes being announced from the APNIC address blocks:           50139
          Unique aggregates announced from the APNIC address blocks:    22150
      APNIC Region origin ASes present in the Internet Routing Table:    3031
          APNIC Prefixes per ASN:                                       16.54
      APNIC Region origin ASes announcing only one prefix:                824
      APNIC Region transit ASes present in the Internet Routing Table:    462
      Average APNIC Region AS path length visible:                        3.6
          Max APNIC Region AS path length visible:                         15
      Number of APNIC addresses announced to Internet:              311122080
          Equivalent to 18 /8s, 139 /16s and 88 /24s
          Percentage of available APNIC address space announced:         77.1
      
      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:                    107833
          Total ARIN prefixes after maximum aggregation:                62588
          ARIN Deaggregation factor:                                     1.72
      Prefixes being announced from the ARIN address blocks:            79381
          Unique aggregates announced from the ARIN address blocks:     31831
      ARIN Region origin ASes present in the Internet Routing Table:    11735
          ARIN Prefixes per ASN:                                         6.76
      ARIN Region origin ASes announcing only one prefix:                4526
      ARIN Region transit ASes present in the Internet Routing Table:    1069
      Average ARIN Region AS path length visible:                         3.4
          Max ARIN Region AS path length visible:                          16
      Number of ARIN addresses announced to Internet:               341862144
          Equivalent to 20 /8s, 96 /16s and 103 /24s
          Percentage of available ARIN address space announced:          75.5
      
      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:                     48019
          Total RIPE prefixes after maximum aggregation:                30741
          RIPE Deaggregation factor:                                     1.56
      Prefixes being announced from the RIPE address blocks:            44367
          Unique aggregates announced from the RIPE address blocks:     29166
      RIPE Region origin ASes present in the Internet Routing Table:    10041
          RIPE Prefixes per ASN:                                         4.42
      RIPE Region origin ASes announcing only one prefix:                5357
      RIPE Region transit ASes present in the Internet Routing Table:    1598
      Average RIPE Region AS path length visible:                         4.0
          Max RIPE Region AS path length visible:                          21
      Number of RIPE addresses announced to Internet:               323784320
          Equivalent to 19 /8s, 76 /16s and 142 /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:                   16134
          Total LACNIC prefixes after maximum aggregation:               4375
          LACNIC Deaggregation factor:                                   3.69
      Prefixes being announced from the LACNIC address blocks:          14185
          Unique aggregates announced from the LACNIC address blocks:    7718
      LACNIC Region origin ASes present in the Internet Routing Table:    842
          LACNIC Prefixes per ASN:                                      16.85
      LACNIC Region origin ASes announcing only one prefix:               274
      LACNIC Region transit ASes present in the Internet Routing Table:   143
      Average LACNIC Region AS path length visible:                       4.1
          Max LACNIC Region AS path length visible:                        19
      Number of LACNIC addresses announced to Internet:              41738240
          Equivalent to 2 /8s, 124 /16s and 224 /24s
          Percentage of available LACNIC address space announced:        62.2
      
      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:                   2688
          Total AfriNIC prefixes after maximum aggregation:              1038
          AfriNIC Deaggregation factor:                                  2.59
      Prefixes being announced from the AfriNIC address blocks:          2223
          Unique aggregates announced from the AfriNIC address blocks:   1355
      AfriNIC Region origin ASes present in the Internet Routing Table:   201
          AfriNIC Prefixes per ASN:                                     11.06
      AfriNIC Region origin ASes announcing only one prefix:               65
      AfriNIC Region transit ASes present in the Internet Routing Table:   32
      Average AfriNIC Region AS path length visible:                      3.8
          Max AfriNIC Region AS path length visible:                       14
      Number of AfriNIC addresses announced to Internet:              6319616
          Equivalent to 0 /8s, 96 /16s and 110 /24s
          Percentage of available AfriNIC address space announced:       18.8
      
      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     1329      11126         287   CHINANET-BACKBONE
       4755     1317        382          71   Videsh Sanchar Nigam Ltd. Aut
       9583     1124         80         402   Sify Limited
       9498      994        532          69   BHARTI BT INTERNET LTD.
       4766      798       5440         316   Korea Telecom (KIX)
      23577      788         34         684   Korea Telecom (ATM-MPLS)
      17488      742         48          59   Hathway IP Over Cable Interne
       7545      702        150         116   TPG Internet Pty Ltd
      18101      581        117          39   Reliance Infocom Ltd Internet
       1221      549       1951         427   Telstra Pty Ltd
       4812      529        915          95   China Telecom (Shanghai)
       4668      512         68          10   LG-EDS Systems Inc.
      17676      504      10935          65   Softbank BB Corp.
       4808      478        768         109   CNCGROUP IP network: China169
       9443      473        122          77   Primus Telecommunications
       4802      419        112         152   Wantree Development
       7474      399        217         272   SingTel Optus Pty Ltd
      17974      362        130          13   PT TELEKOMUNIKASI INDONESIA
       4837      352       4944         164   chinanet IDC center beijing n
       9829      352        258          14   BSNL National Internet Backbo
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       7018     1473       6075         989   AT&T WorldNet Services
       4323     1328       1022         372   Time Warner Telecom
       2386     1203        614         740   AT&T Data Communications Serv
       6478     1115        322         132   AT&T Worldnet Services 
      11492     1113        108          38   Cable One 
       6197     1028        717         509   BellSouth Network Solutions, 
      18566     1018        288           9   Covad Communications 
        174      966       6777         856   Cogent Communications
        701      944       6563         720   UUNET Technologies, Inc. 
       7011      906        259         544   Citizens Utilities 
      20115      807        742         431   Charter Communications 
       1239      806       2741         573   Sprint 
      19262      766       2721         185   Verizon Global Networks 
      22773      754       2148          49   Cox Communications, Inc.
        209      743       3869         588   Qwest 
       5668      629        171          23   CenturyTel Internet Holdings,
       6517      579        161          37   Yipes Communications, Inc. 
        855      575        254          73   Canadian Research Network 
        852      574       1093         365   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      362         57          41   LINKdotNET AS number
       9116      349        168          26   Goldenlines main autonomous s
       3301      313       1456         293   TeliaNet Sweden
       3320      311       6034         257   Deutsche Telekom AG
       6746      287        130         263   Dynamic Network Technologies,
       5089      269       1658          54   NTL Group Limited
        680      266       2061         257   DFN-IP service G-WiN
       8220      261        446         244   COLT Telecommunications
       3215      256       2392          97   France Telecom Transpac
       8708      253        420         242   Romania Data Systems S.A.
       8551      231        228          27   Bezeq International
       3352      224       1864          41   Ibernet, Internet Access Netw
       3269      221       2775          73   TELECOM ITALIA
       9121      210       1441          24   TTnet Autonomous System
       3292      195       1379         175   TDC Tele Danmark
       1257      194       1195         172   SWIPnet Swedish IP Network
      12479      193        578           6   Uni2 Autonomous System
       3300      191        172          91   AUCS Communications Services 
      
      LACNIC Region per AS prefix count summary
      -----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       8151      904       1957         211   UniNet S.A. de C.V. 
      11830      483        299           9   Instituto Costarricense de El
      16814      426         26           9   NSS, S.A. 
      11172      374        115          61   Servicios Alestra S.A de C.V 
      14522      334         28           7   SatNet S.A. 
       7303      331        172          42   Telecom Argentina Stet-France
      22047      318        246          13   VTR PUNTO NET S.A. 
       6471      316         75          32   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        176          27   Telefonica Del Peru 
      10620      217         61          26   TVCABLE BOGOTA 
       6503      201        171          83   AVANTEL, S.A. 
      23216      195         16          43   RAMtelecom Telecomunicaciones
       8163      177         11           6   METROTEL REDES S.A. 
      19169      170         15          20   Telconet 
      20299      163         24          21   NEWCOM AMERICAS 
      21826      162         28          61   INTERCABLE 
       7738      159        506          23   Telecomunicacoes da Bahia S.A
      
      AfriNIC Region per AS prefix count summary
      ------------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       3741      282        867         223   The Internet Solution 
       8452      229        188           7   TEDATA
       6713      142        135          11   Itissalat Al-MAGHRIB
       2018      141        301         115   Tertiary Education Network 
      33783      125          8          11   EEPAD TISP TELECOM & INTERNET
       5536      124          8          10   Internet Egypt Network
      33776       99          6           8   Starcomms Nigeria Limited
      24835       87         48           6   RAYA Telecom - Egypt
      15475       78         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
      16637       42         21          29   Johnnic e-Ventures 
       8524       31          2          10   AUCEGYPT Autonomous System
      12455       30          6           3   Jambonet Autonomous system
      21280       30          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      1317        1246      Videsh Sanchar Nigam Ltd. Aut
      11492      1113        1075      Cable One 
       4134      1329        1042      CHINANET-BACKBONE
      18566      1018        1009      Covad Communications 
       6478      1115         983      AT&T Worldnet Services 
       4323      1328         956      Time Warner Telecom
       9498       994         925      BHARTI BT INTERNET LTD.
       9583      1124         722      Sify Limited
      22773       754         705      Cox Communications, Inc.
       8151       904         693      UniNet S.A. de C.V. 
      17488       742         683      Hathway IP Over Cable Interne
       5668       629         606      CenturyTel Internet Holdings,
       7545       702         586      TPG Internet Pty Ltd
      19262       766         581      Verizon Global Networks 
      18101       581         542      Reliance Infocom Ltd Internet
       6517       579         542      Yipes Communications, Inc. 
      15270       568         530      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
      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      /12:133     
      /13:257     /14:470     /15:909     /16:9572    /17:4043    /18:6513    
      /19:13827   /20:16056   /21:14697   /22:19048   /23:19975   /24:119925  
      /25:767     /26:1022    /27:490     /28:80      /29:5       /30:0       
      /31:0       /32:8       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       6478     1114          1115      AT&T Worldnet Services 
      11492     1105          1113      Cable One 
      18566     1000          1018      Covad Communications 
       9583      966          1124      Sify Limited
       2386      897          1203      AT&T Data Communications Serv
       7018      808          1473      AT&T WorldNet Services
       7011      804           906      Citizens Utilities 
       6197      782          1028      BellSouth Network Solutions, 
      23577      779           788      Korea Telecom (ATM-MPLS)
       4755      708          1317      Videsh Sanchar Nigam Ltd. Aut
       9498      663           994      BHARTI BT INTERNET LTD.
       4766      595           798      Korea Telecom (KIX)
      17488      565           742      Hathway IP Over Cable Interne
      19916      563           568      OLM LLC 
       4323      559          1328      Time Warner Telecom
       6517      544           579      Yipes Communications, Inc. 
      15270      532           568      PaeTec.net -a division of Pae
       4668      502           512      LG-EDS Systems Inc.
       5668      495           629      CenturyTel Internet Holdings,
      18101      495           581      Reliance Infocom Ltd Internet
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:8         7:1         8:85       12:1795     15:19       16:3      
        17:3        18:12       20:37       24:928      25:1        32:57     
        33:3        38:345      40:60       41:292      44:2        47:4      
        52:4        55:3        56:3        57:25       58:470      59:389    
        60:343      61:990      62:918      63:1993     64:3141     65:2341   
        66:3317     67:753      68:623      69:1933     70:445      71:104    
        72:1378     73:2        74:615      75:254      76:97       77:277    
        78:32       80:830      81:824      82:662      83:371      84:600    
        85:852      86:337      87:478      88:275      89:951      90:22     
        91:460      97:6       116:270     117:124     121:258     122:572    
       123:151     124:841     125:980     128:292     129:212     130:139    
       131:362     132:55      133:9       134:199     135:34      136:188    
       137:80      138:149     139:71      140:489     141:172     142:378    
       143:254     144:299     145:46      146:325     147:120     148:410    
       149:142     150:111     151:159     152:90      153:122     154:3      
       155:260     156:156     157:212     158:157     159:172     160:108    
       161:94      162:185     163:179     164:466     165:393     166:271    
       167:295     168:507     169:121     170:410     171:22      172:2      
       189:71      190:928     192:5751    193:3964    194:3171    195:2270   
       196:974     198:3813    199:3270    200:5074    201:1147    202:7402   
       203:7586    204:3943    205:1975    206:2421    207:2818    208:2762   
       209:3514    210:2423    211:971     212:1317    213:1457    214:418    
       215:41      216:3979    217:1156    218:351     219:383     220:1006   
       221:413     222:267    
      
      End of report