[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, 19 May 2007 04:03:03 +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 19 May, 2007
      
      Report Website: http://thyme.apnic.net
      This report:    http://thyme.apnic.net/ap-data/2007/05/19/0400
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              220732
          Prefixes after maximum aggregation:                          117049
          Deaggregation factor:                                          1.89
          Unique aggregates announced to Internet:                     105996
      Total ASes present in the Internet Routing Table:                 25225
          Prefixes per ASN:                                              8.75
      Origin-only ASes present in the Internet Routing Table:           21975
      Origin ASes announcing only one prefix:                           10641
      Transit ASes present in the Internet Routing Table:                3250
      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:                                      25
          Max AS path prepend of ASN (16327)                               21
      Prefixes from unregistered ASNs in the Routing Table:                 5
          Unregistered ASNs in the Routing Table:                           6
      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:                   1719963072
          Equivalent to 102 /8s, 132 /16s and 141 /24s
          Percentage of available address space announced:               46.4
          Percentage of allocated address space announced:               61.5
          Percentage of available address space allocated:               75.5
      Total number of prefixes smaller than registry allocations:      115734
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    50831
          Total APNIC prefixes after maximum aggregation:               19941
          APNIC Deaggregation factor:                                    2.55
      Prefixes being announced from the APNIC address blocks:           47840
          Unique aggregates announced from the APNIC address blocks:    20175
      APNIC Region origin ASes present in the Internet Routing Table:    2942
          APNIC Prefixes per ASN:                                       16.26
      APNIC Region origin ASes announcing only one prefix:                784
      APNIC Region transit ASes present in the Internet Routing Table:    441
      Average APNIC Region AS path length visible:                        3.6
          Max APNIC Region AS path length visible:                         17
      Number of APNIC addresses announced to Internet:              293387456
          Equivalent to 17 /8s, 124 /16s and 188 /24s
          Percentage of available APNIC address space announced:         72.7
      
      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, 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:                    106442
          Total ARIN prefixes after maximum aggregation:                62110
          ARIN Deaggregation factor:                                     1.71
      Prefixes being announced from the ARIN address blocks:            78505
          Unique aggregates announced from the ARIN address blocks:     30674
      ARIN Region origin ASes present in the Internet Routing Table:    11581
          ARIN Prefixes per ASN:                                         6.78
      ARIN Region origin ASes announcing only one prefix:                4443
      ARIN Region transit ASes present in the Internet Routing Table:    1052
      Average ARIN Region AS path length visible:                         3.4
          Max ARIN Region AS path length visible:                          21
      Number of ARIN addresses announced to Internet:               333456768
          Equivalent to 19 /8s, 224 /16s and 37 /24s
          Percentage of available ARIN address space announced:          73.6
      
      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:                     45700
          Total RIPE prefixes after maximum aggregation:                29847
          RIPE Deaggregation factor:                                     1.53
      Prefixes being announced from the RIPE address blocks:            42217
          Unique aggregates announced from the RIPE address blocks:     28140
      RIPE Region origin ASes present in the Internet Routing Table:     9643
          RIPE Prefixes per ASN:                                         4.38
      RIPE Region origin ASes announcing only one prefix:                5100
      RIPE Region transit ASes present in the Internet Routing Table:    1549
      Average RIPE Region AS path length visible:                         4.0
          Max RIPE Region AS path length visible:                          24
      Number of RIPE addresses announced to Internet:               306226304
          Equivalent to 18 /8s, 64 /16s and 164 /24s
          Percentage of available RIPE address space announced:          76.1
      
      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, 80/5, 88/6, 92/7, 193/8, 194/7,
                             212/7 and 217/8
      
      LACNIC Region Analysis Summary
      ------------------------------
      
      Prefixes being announced by LACNIC Region ASes:                   15169
          Total LACNIC prefixes after maximum aggregation:               4140
          LACNIC Deaggregation factor:                                   3.66
      Prefixes being announced from the LACNIC address blocks:          13253
          Unique aggregates announced from the LACNIC address blocks:    7253
      LACNIC Region origin ASes present in the Internet Routing Table:    792
          LACNIC Prefixes per ASN:                                      16.73
      LACNIC Region origin ASes announcing only one prefix:               259
      LACNIC Region transit ASes present in the Internet Routing Table:   141
      Average LACNIC Region AS path length visible:                       4.2
          Max LACNIC Region AS path length visible:                        25
      Number of LACNIC addresses announced to Internet:              38868736
          Equivalent to 2 /8s, 81 /16s and 23 /24s
          Percentage of available LACNIC address space announced:        57.9
      
      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:                   2580
          Total AfriNIC prefixes after maximum aggregation:              1001
          AfriNIC Deaggregation factor:                                  2.58
      Prefixes being announced from the AfriNIC address blocks:          1955
          Unique aggregates announced from the AfriNIC address blocks:   1176
      AfriNIC Region origin ASes present in the Internet Routing Table:   188
          AfriNIC Prefixes per ASN:                                     10.40
      AfriNIC Region origin ASes announcing only one prefix:               55
      AfriNIC Region transit ASes present in the Internet Routing Table:   37
      Average AfriNIC Region AS path length visible:                      3.7
          Max AfriNIC Region AS path length visible:                       15
      Number of AfriNIC addresses announced to Internet:              6057984
          Equivalent to 0 /8s, 92 /16s and 112 /24s
          Percentage of available AfriNIC address space announced:       18.1
      
      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     1281       9697         273   CHINANET-BACKBONE
       4755     1215        383          72   Videsh Sanchar Nigam Ltd. Aut
       9583     1106        109          17   Sify Limited
       9498      982        469          72   BHARTI BT INTERNET LTD.
       4766      783       4943         312   Korea Telecom (KIX)
      23577      778         35         707   Korea Telecom (ATM-MPLS)
      17488      676         44          35   Hathway IP Over Cable Interne
       7545      624        142          78   TPG Internet Pty Ltd
       1221      547       1954         422   Telstra Pty Ltd
      18101      537        116          33   Reliance Infocom Ltd Internet
       4668      507         68          10   LG-EDS Systems Inc.
      17676      504      10935          65   Softbank BB Corp.
       4812      459        807          76   China Telecom (Shanghai)
       9443      454        115          74   Primus Telecommunications
       7474      414        218         270   SingTel Optus Pty Ltd
       9829      362        258          14   BSNL National Internet Backbo
       4802      360         86         148   Wantree Development
      17557      355         37         168   Pakistan Telecom
      17974      350        129          12   PT TELEKOMUNIKASI INDONESIA
       4837      343       4693         158   chinanet IDC center beijing n
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       7018     1502       6163         990   AT&T WorldNet Services
       4323     1266       1027         361   Time Warner Telecom
       2386     1140        580         753   AT&T Data Communications Serv
       6478     1097        341         122   AT&T Worldnet Services 
      11492     1054        104          23   Cable One 
       6197     1034        687         503   BellSouth Network Solutions, 
      18566     1006        288           9   Covad Communications 
        174      954       6792         864   Cogent Communications
        701      946       6612         725   UUNET Technologies, Inc. 
       1239      817       2731         579   Sprint 
      20115      808        725         429   Charter Communications 
       7011      793        226         474   Citizens Utilities 
      19262      775       2645         208   Verizon Global Networks 
        209      726       3847         582   Qwest 
      22773      713       1888          43   Cox Communications, Inc.
       5668      599        160          17   CenturyTel Internet Holdings,
       7385      597        166         463   Linkport Communications 
        721      592      21739         269   DLA Systems Automation Center
        852      589       1096         370   Telus Advanced Communications
       7029      587        456          79   Alltel Information Services, 
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        702      519       1939         412   UUNET - Commercial IP service
      24863      346         47          32   LINKdotNET AS number
       3301      308       1455         288   TeliaNet Sweden
       3320      305       4993         252   Deutsche Telekom AG
       6746      278        128         254   Dynamic Network Technologies,
        680      257       2044         250   DFN-IP service G-WiN
       8220      249        459         240   COLT Telecommunications
       3215      238       2254          95   France Telecom Transpac
       8708      235        287         228   Romania Data Systems S.A.
       3269      216       2647          74   TELECOM ITALIA
       3246      209        340         199   Song Networks
       8551      206        196          30   Bezeq International
       3352      201       1783          37   Ibernet, Internet Access Netw
      30890      201         17          93   SC Kappa Invexim SRL
      20858      197         34           4   EgyNet
       9116      196        136          25   Goldenlines main autonomous s
       1257      190       1180         168   SWIPnet Swedish IP Network
       3300      184        171          90   AUCS Communications Services 
      12479      184        578           6   Uni2 Autonomous System
        786      177       1795         177   The JANET IP Service
      
      LACNIC Region per AS prefix count summary
      -----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       8151     1250       1870         211   UniNet S.A. de C.V. 
      11830      483        299          19   Instituto Costarricense de El
      11172      365        116          63   Servicios Alestra S.A de C.V 
      16814      361         22           8   NSS, S.A. 
      22047      318        238          12   VTR PUNTO NET S.A. 
       7303      280        143          28   Telecom Argentina Stet-France
       6471      259         74          31   ENTEL CHILE S.A. 
      14117      243         17          14   Telefonica del Sur S.A. 
      11556      229        128           3   Cable-Wireless Panama 
       6147      221        166          25   Telefonica Del Peru 
       6503      215        172          86   AVANTEL, S.A. 
      20299      194         23          12   NEWCOM AMERICAS 
      10620      186         53          24   TVCABLE BOGOTA 
      10481      181         72           8   Prima S.A. 
      14522      167         27           8   SatNet S.A. 
      23216      157         19          42   RAMtelecom Telecomunicaciones
      21826      155         27          59   INTERCABLE 
       7910      154         11          29   ANDINET ON LINE 
      19429      154         94          43   E.T.B. 
       7738      143        474          22   Telecomunicacoes da Bahia S.A
      
      AfriNIC Region per AS prefix count summary
      ------------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       3741      283        867         224   The Internet Solution 
       8452      229        188           7   TEDATA
       6713      143        135          11   Itissalat Al-MAGHRIB
       2018      136        301         111   Tertiary Education Network 
      15475      129         84           4   Nile Online
       5536      123          8          15   Internet Egypt Network
      33783      119          8           9   EEPAD TISP TELECOM & INTERNET
      24835       85         48           6   RAYA Telecom - Egypt
       2905       77        174          73   The Internetworking Company o
       2561       61          6           2   Egyptian Universities Network
      15706       56         12           4   Sudatel Internet Exchange Aut
      23889       49         16          13   MAURITIUS TELECOM
       5713       44        294          34   Telkom SA Ltd 
      33774       42         13          23   AS Number for Telecom Algeria
      16637       33         21          25   Johnnic e-Ventures 
       8524       30          2           6   AUCEGYPT Autonomous System
      21280       28          4           4   Swift Global Kenya Ltd.Is an 
      33766       26          2           1   Nyala Communications Pty Ltd 
      33776       26          2           8   Starcomms Nigeria Limited
      12455       25          6           3   Jambonet Autonomous system
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
       4755      1215        1143      Videsh Sanchar Nigam Ltd. Aut
       9583      1106        1089      Sify Limited
       8151      1250        1039      UniNet S.A. de C.V. 
      11492      1054        1031      Cable One 
       4134      1281        1008      CHINANET-BACKBONE
      18566      1006         997      Covad Communications 
       6478      1097         975      AT&T Worldnet Services 
       9498       982         910      BHARTI BT INTERNET LTD.
       4323      1266         905      Time Warner Telecom
      22773       713         670      Cox Communications, Inc.
      17488       676         641      Hathway IP Over Cable Interne
       5668       599         582      CenturyTel Internet Holdings,
      19262       775         567      Verizon Global Networks 
       7545       624         546      TPG Internet Pty Ltd
       6197      1034         531      BellSouth Network Solutions, 
      19916       568         517      OLM LLC 
       7029       587         508      Alltel Information Services, 
      18101       537         504      Reliance Infocom Ltd Internet
      15270       534         499      PaeTec.net -a division of Pae
       4668       507         497      LG-EDS Systems Inc.
      
      List of Unregistered Origin ASNs (Global)
      -----------------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
      65019   PRIVATE       63.138.117.0/24      19034       Norcom Networks Corp
      65332   PRIVATE       63.166.106.192/27     1803       SPRINT 
      65242   PRIVATE       64.222.142.0/24      13674       Bell Atlantic Global
      64858   PRIVATE       84.36.180.0/24       20858       EgyNet
      22895   UNALLOCATED   216.174.38.0/24      19094       Adelphia Business So
      
      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        /8:19       /9:9       /10:14      /11:35      /12:122     
      /13:237     /14:451     /15:870     /16:9384    /17:3857    /18:6379    
      /19:13473   /20:15366   /21:13900   /22:18105   /23:19310   /24:117055  
      /25:775     /26:819     /27:477     /28:62      /29:5       /30:0       
      /31:0       /32:8       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       6478     1088          1097      AT&T Worldnet Services 
      11492     1040          1054      Cable One 
      18566      988          1006      Covad Communications 
       9583      934          1106      Sify Limited
       2386      837          1140      AT&T Data Communications Serv
       7018      808          1502      AT&T WorldNet Services
       6197      794          1034      BellSouth Network Solutions, 
      23577      764           778      Korea Telecom (ATM-MPLS)
       7011      695           793      Citizens Utilities 
       9498      649           982      BHARTI BT INTERNET LTD.
       8151      627          1250      UniNet S.A. de C.V. 
       4755      611          1215      Videsh Sanchar Nigam Ltd. Aut
       4766      590           783      Korea Telecom (KIX)
      19916      563           568      OLM LLC 
       4323      523          1266      Time Warner Telecom
      15270      501           534      PaeTec.net -a division of Pae
      17488      497           676      Hathway IP Over Cable Interne
       4668      496           507      LG-EDS Systems Inc.
        855      464           566      Canadian Research Network 
       5668      464           599      CenturyTel Internet Holdings,
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:8         7:1         8:73        9:1        12:1798     15:19     
        16:3        17:3        18:8        20:38       24:942      25:1      
        32:52       33:2        38:313      40:60       41:125      44:2      
        47:5        52:4        55:2        56:3        57:24       58:398    
        59:387      60:273      61:946      62:971      63:1968     64:3115   
        65:2366     66:3267     67:813      68:639      69:1829     70:510    
        71:105      72:1324     73:1        74:460      75:259      76:58     
        77:192      78:1        80:852      81:802      82:578      83:376    
        84:442      85:764      86:351      87:464      88:272      89:875    
        90:6        91:304      97:6       116:73      121:184     122:524    
       123:99      124:806     125:934     128:282     129:222     130:126    
       131:362     132:52      133:10      134:192     135:39      136:185    
       137:80      138:139     139:70      140:476     141:170     142:371    
       143:234     144:290     145:43      146:322     147:117     148:388    
       149:143     150:114     151:160     152:92      153:123     154:4      
       155:253     156:151     157:188     158:160     159:159     160:105    
       161:91      162:234     163:185     164:448     165:403     166:235    
       167:282     168:491     169:120     170:401     171:16      172:1      
       189:469     190:611     192:5760    193:3842    194:3120    195:2220   
       196:942     198:3739    199:3289    200:4771    201:1015    202:7277   
       203:7485    204:3952    205:2083    206:2359    207:2884    208:2686   
       209:3579    210:2481    211:968     212:1309    213:1471    214:406    
       215:40      216:4013    217:1150    218:356     219:363     220:948    
       221:393     222:264    
      
      End of report