[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, 27 Oct 2007 04:02:50 +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 27 Oct, 2007
      
      Report Website: http://thyme.apnic.net
      This report:    http://thyme.apnic.net/ap-data/2007/10/27/0400
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              235884
          Prefixes after maximum aggregation:                          121839
          Deaggregation factor:                                          1.94
          Unique aggregates announced to Internet:                     113953
      Total ASes present in the Internet Routing Table:                 26582
          Prefixes per ASN:                                              8.87
      Origin-only ASes present in the Internet Routing Table:           23140
      Origin ASes announcing only one prefix:                           11294
      Transit ASes present in the Internet Routing Table:                3442
      Transit-only ASes present in the Internet Routing Table:             80
      Average AS path length visible in the Internet Routing Table:       3.6
          Max AS path length visible:                                      20
          Max AS path prepend of ASN (13227)                               16
      Prefixes from unregistered ASNs in the Routing Table:                28
          Unregistered ASNs in the Routing Table:                          11
      Prefixes from 32-bit ASNs in the Routing Table:                       7
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:             10
      Number of addresses announced to Internet:                   1797966720
          Equivalent to 107 /8s, 42 /16s and 203 /24s
          Percentage of available address space announced:               48.5
          Percentage of allocated address space announced:               62.8
          Percentage of available address space allocated:               77.3
      Total number of prefixes smaller than registry allocations:      109476
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    55061
          Total APNIC prefixes after maximum aggregation:               20713
          APNIC Deaggregation factor:                                    2.66
      Prefixes being announced from the APNIC address blocks:           51983
          Unique aggregates announced from the APNIC address blocks:    21968
      APNIC Region origin ASes present in the Internet Routing Table:    3078
          APNIC Prefixes per ASN:                                       16.89
      APNIC Region origin ASes announcing only one prefix:                807
      APNIC Region transit ASes present in the Internet Routing Table:    469
      Average APNIC Region AS path length visible:                        3.6
          Max APNIC Region AS path length visible:                         15
      Number of APNIC addresses announced to Internet:              322664128
          Equivalent to 19 /8s, 59 /16s and 118 /24s
          Percentage of available APNIC address space announced:         79.9
      
      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:                    110769
          Total ARIN prefixes after maximum aggregation:                63679
          ARIN Deaggregation factor:                                     1.74
      Prefixes being announced from the ARIN address blocks:            81900
          Unique aggregates announced from the ARIN address blocks:     32455
      ARIN Region origin ASes present in the Internet Routing Table:    11912
          ARIN Prefixes per ASN:                                         6.88
      ARIN Region origin ASes announcing only one prefix:                4589
      ARIN Region transit ASes present in the Internet Routing Table:    1106
      Average ARIN Region AS path length visible:                         3.4
          Max ARIN Region AS path length visible:                          15
      Number of ARIN addresses announced to Internet:               348256128
          Equivalent to 20 /8s, 193 /16s and 247 /24s
          Percentage of available ARIN address space announced:          76.9
      
      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, 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:                     49773
          Total RIPE prefixes after maximum aggregation:                31817
          RIPE Deaggregation factor:                                     1.56
      Prefixes being announced from the RIPE address blocks:            46251
          Unique aggregates announced from the RIPE address blocks:     30449
      RIPE Region origin ASes present in the Internet Routing Table:    10425
          RIPE Prefixes per ASN:                                         4.44
      RIPE Region origin ASes announcing only one prefix:                5544
      RIPE Region transit ASes present in the Internet Routing Table:    1639
      Average RIPE Region AS path length visible:                         4.0
          Max RIPE Region AS path length visible:                          20
      Number of RIPE addresses announced to Internet:               333987200
          Equivalent to 19 /8s, 232 /16s and 61 /24s
          Percentage of available RIPE address space announced:          76.6
      
      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
                             40960-45055
      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:                   17518
          Total LACNIC prefixes after maximum aggregation:               4579
          LACNIC Deaggregation factor:                                   3.83
      Prefixes being announced from the LACNIC address blocks:          15546
          Unique aggregates announced from the LACNIC address blocks:    8668
      LACNIC Region origin ASes present in the Internet Routing Table:    875
          LACNIC Prefixes per ASN:                                      17.77
      LACNIC Region origin ASes announcing only one prefix:               285
      LACNIC Region transit ASes present in the Internet Routing Table:   152
      Average LACNIC Region AS path length visible:                       4.0
          Max LACNIC Region AS path length visible:                        19
      Number of LACNIC addresses announced to Internet:              44806912
          Equivalent to 2 /8s, 171 /16s and 179 /24s
          Percentage of available LACNIC address space announced:        44.5
      
      LACNIC AS Blocks       26592-26623, 27648-28671, plus ERX transfers
      LACNIC Address Blocks  186/7, 189/8, 190/8, 200/7
      
      AfriNIC Region Analysis Summary
      -------------------------------
      
      Prefixes being announced by AfriNIC Region ASes:                   2727
          Total AfriNIC prefixes after maximum aggregation:              1037
          AfriNIC Deaggregation factor:                                  2.63
      Prefixes being announced from the AfriNIC address blocks:          2320
          Unique aggregates announced from the AfriNIC address blocks:   1395
      AfriNIC Region origin ASes present in the Internet Routing Table:   211
          AfriNIC Prefixes per ASN:                                     11.00
      AfriNIC Region origin ASes announcing only one prefix:               69
      AfriNIC Region transit ASes present in the Internet Routing Table:   39
      Average AfriNIC Region AS path length visible:                      3.8
          Max AfriNIC Region AS path length visible:                       14
      Number of AfriNIC addresses announced to Internet:              7632128
          Equivalent to 0 /8s, 116 /16s and 117 /24s
          Percentage of available AfriNIC address space announced:       22.7
      
      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
       4755     1472        383          67   Videsh Sanchar Nigam Ltd. Aut
       9583     1126        108          15   Sify Limited
       4134     1095      11539         299   CHINANET-BACKBONE
       9498     1014        550          67   BHARTI BT INTERNET LTD.
      17488      855         55          67   Hathway IP Over Cable Interne
       4766      815       5473         327   Korea Telecom (KIX)
      23577      780         34         681   Korea Telecom (ATM-MPLS)
       7545      718        159         120   TPG Internet Pty Ltd
      18101      607        119          52   Reliance Infocom Ltd Internet
       1221      544       1951         424   Telstra Pty Ltd
       9829      530       1312           9   BSNL National Internet Backbo
       4812      523        858          76   China Telecom (Shanghai)
       4668      518         68          10   LG-EDS Systems Inc.
      17676      502      10903          63   Softbank BB Corp.
       4808      498        793         119   CNCGROUP IP network: China169
       4802      487        133         141   Wantree Development
       9443      441        121          72   Primus Telecommunications
       7474      374        201         261   SingTel Optus Pty Ltd
      17974      369        142          16   PT TELEKOMUNIKASI INDONESIA
       4837      356       4993         167   chinanet IDC center beijing n
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       7018     1487       6149        1001   AT&T WorldNet Services
       4323     1345       1006         356   Time Warner Telecom
       2386     1240        628         751   AT&T Data Communications Serv
      11492     1153        117          39   Cable One 
       6478     1115        328         197   AT&T Worldnet Services 
      18566     1028        288           9   Covad Communications 
       6197     1024        718         508   BellSouth Network Solutions, 
        174      992       6803         846   Cogent Communications
       7011      967        289         558   Citizens Utilities 
        701      889       6560         696   UUNET Technologies, Inc. 
      20115      849        774         458   Charter Communications 
       1239      799       2721         558   Sprint 
      22773      798       2133          54   Cox Communications, Inc.
      19262      790       2847         191   Verizon Global Networks 
       3356      764      10891         398   Level 3 Communications, LLC 
        209      730       3784         573   Qwest 
       5668      662        176          17   CenturyTel Internet Holdings,
       6517      590        163          34   Yipes Communications, Inc. 
        852      580       1108         357   Telus Advanced Communications
       3561      573       2325         377   Savvis
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        702      473       1920         386   UUNET - Commercial IP service
      24863      375         58          39   LINKdotNET AS number
       9116      334        168          28   Goldenlines main autonomous s
       3301      317       1441         294   TeliaNet Sweden
       3320      316       6035         263   Deutsche Telekom AG
       8551      310        298          41   Bezeq International
       6746      275        129         252   Dynamic Network Technologies,
       8708      271        421         243   Romania Data Systems S.A.
       8866      269         62          25   Bulgarian Telecommunication C
        680      266       2045         254   DFN-IP service G-WiN
       3215      264       2504          99   France Telecom Transpac
       8220      257        445         238   COLT Telecommunications
       3352      232       1916          40   Ibernet, Internet Access Netw
       3269      228       2935          75   TELECOM ITALIA
       9121      212       1442          25   TTnet Autonomous System
       3300      199        172          95   AUCS Communications Services 
      20858      195         34           3   EgyNet
       1257      194       1194         176   SWIPnet Swedish IP Network
      12479      194        578           6   Uni2 Autonomous System
       3292      193       1380         177   TDC Tele Danmark
      
      LACNIC Region per AS prefix count summary
      -----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       8151     1055       2196         215   UniNet S.A. de C.V. 
      11830      514        299           9   Instituto Costarricense de El
      16814      427         27          10   NSS, S.A. 
      14522      380         32           7   SatNet S.A. 
      11172      374        114          60   Servicios Alestra S.A de C.V 
       7303      361        175          54   Telecom Argentina Stet-France
       6471      348         75          37   ENTEL CHILE S.A. 
      22047      317        246          13   VTR PUNTO NET S.A. 
      14117      285         19          15   Telefonica del Sur S.A. 
      10620      263         73          29   TVCABLE BOGOTA 
      10481      261        104           9   Prima S.A. 
      11556      237        128           4   Cable-Wireless Panama 
       6147      230        178          24   Telefonica Del Peru 
       6503      213        187          84   AVANTEL, S.A. 
      23216      211         17          47   RAMtelecom Telecomunicaciones
       7738      204        538          24   Telecomunicacoes da Bahia S.A
      28573      200        314          27   NET Servicos de Comunicao S.A
       8163      183         11           8   METROTEL REDES S.A. 
      21826      181         32          50   INTERCABLE 
      20299      180         25          30   NEWCOM AMERICAS 
      
      AfriNIC Region per AS prefix count summary
      ------------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       3741      279        869         225   The Internet Solution 
       8452      221        188           7   TEDATA
       6713      143        135          11   Itissalat Al-MAGHRIB
       2018      140        299         115   Tertiary Education Network 
      33783      127          8          11   EEPAD TISP TELECOM & INTERNET
       5536      124          8          10   Internet Egypt Network
      33776      100          6           3   Starcomms Nigeria Limited
      24835       88         48           6   RAYA Telecom - Egypt
      15475       77         84           4   Nile Online
       2905       75        174          72   The Internetworking Company o
      23889       73         24          15   MAURITIUS TELECOM
      15706       53         12           4   Sudatel Internet Exchange Aut
      33774       48         33          25   AS Number for Telecom Algeria
       5713       46        294          36   Telkom SA Ltd 
      16637       42         21          29   Johnnic e-Ventures 
      12455       36          6           3   Jambonet Autonomous system
       8524       32          2          10   AUCEGYPT Autonomous System
      10798       26         16           1   Standard Bank of South Africa
      21280       26          4           4   Swift Global Kenya Ltd.Is an 
      29975       26         10           9   Vodacom
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
       4755      1472        1405      Videsh Sanchar Nigam Ltd. Aut
      11492      1153        1114      Cable One 
       9583      1126        1111      Sify Limited
      18566      1028        1019      Covad Communications 
       4323      1345         989      Time Warner Telecom
       9498      1014         947      BHARTI BT INTERNET LTD.
       6478      1115         918      AT&T Worldnet Services 
       8151      1055         840      UniNet S.A. de C.V. 
       4134      1095         796      CHINANET-BACKBONE
      17488       855         788      Hathway IP Over Cable Interne
      22773       798         744      Cox Communications, Inc.
       5668       662         645      CenturyTel Internet Holdings,
      19262       790         599      Verizon Global Networks 
       7545       718         598      TPG Internet Pty Ltd
       6517       590         556      Yipes Communications, Inc. 
      18101       607         555      Reliance Infocom Ltd Internet
      19916       569         522      OLM LLC 
       9829       530         521      BSNL National Internet Backbo
       6197      1024         516      BellSouth Network Solutions, 
       4668       518         508      LG-EDS Systems Inc.
      
      List of Unregistered Origin ASNs (Global)
      -----------------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
      64250   RESERVED      59.144.44.0/24        9498       BHARTI BT INTERNET L
      64999   PRIVATE       78.24.120.0/23        3257       Tiscali Intl Network
      64999   PRIVATE       78.24.122.0/23        3257       Tiscali Intl Network
      64999   PRIVATE       78.24.124.0/24        3257       Tiscali Intl Network
      64999   PRIVATE       78.24.125.0/24        3257       Tiscali Intl Network
      64999   PRIVATE       78.24.126.0/24        3257       Tiscali Intl Network
      64999   PRIVATE       78.24.127.0/24        3257       Tiscali Intl Network
      64250   RESERVED      122.167.64.0/19       9498       BHARTI BT INTERNET L
      64250   RESERVED      122.167.96.0/20       9498       BHARTI BT INTERNET L
      64250   RESERVED      122.167.112.0/21      9498       BHARTI BT INTERNET L
      64250   RESERVED      122.167.176.0/21      9498       BHARTI BT INTERNET L
      64250   RESERVED      122.167.188.0/22      9498       BHARTI BT INTERNET L
      64250   RESERVED      122.167.192.0/22      9498       BHARTI BT INTERNET L
      64250   RESERVED      122.167.196.0/22      9498       BHARTI BT INTERNET L
      64250   RESERVED      122.167.200.0/22      9498       BHARTI BT INTERNET L
      64250   RESERVED      122.167.204.0/22      9498       BHARTI BT INTERNET L
      64250   RESERVED      122.167.208.0/22      9498       BHARTI BT INTERNET L
      64250   RESERVED      122.167.212.0/22      9498       BHARTI BT INTERNET L
      64250   RESERVED      122.167.216.0/22      9498       BHARTI BT INTERNET L
      64250   RESERVED      122.167.220.0/22      9498       BHARTI BT INTERNET L
      64250   RESERVED      122.167.240.0/23      9498       BHARTI BT INTERNET L
      64250   RESERVED      122.167.242.0/23      9498       BHARTI BT INTERNET L
      64250   RESERVED      122.167.244.0/23      9498       BHARTI BT INTERNET L
      64250   RESERVED      122.167.246.0/23      9498       BHARTI BT INTERNET L
      64250   RESERVED      122.171.0.0/24        9498       BHARTI BT INTERNET L
      64250   RESERVED      122.171.1.0/24        9498       BHARTI BT INTERNET L
      65535   PRIVATE       200.62.98.0/24        7137       TELEMATIX/ ENITEL 
      65000   PRIVATE       216.136.11.0/24      27182       Peregrine Capital Ma
      
      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
      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       /10:16      /11:38      /12:135     
      /13:268     /14:478     /15:946     /16:9692    /17:4154    /18:6681    
      /19:14421   /20:16666   /21:15458   /22:19795   /23:20747   /24:123914  
      /25:775     /26:1017    /27:541     /28:101     /29:5       /30:0       
      /31:0       /32:8       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
      11492     1145          1153      Cable One 
       6478     1114          1115      AT&T Worldnet Services 
      18566     1010          1028      Covad Communications 
       9583      961          1126      Sify Limited
       2386      931          1240      AT&T Data Communications Serv
       7011      854           967      Citizens Utilities 
       4755      844          1472      Videsh Sanchar Nigam Ltd. Aut
       7018      812          1487      AT&T WorldNet Services
       6197      772          1024      BellSouth Network Solutions, 
      23577      771           780      Korea Telecom (ATM-MPLS)
       9498      701          1014      BHARTI BT INTERNET LTD.
      17488      674           855      Hathway IP Over Cable Interne
       4766      606           815      Korea Telecom (KIX)
       4323      569          1345      Time Warner Telecom
      19916      564           569      OLM LLC 
       6517      545           590      Yipes Communications, Inc. 
       5668      521           662      CenturyTel Internet Holdings,
       4668      508           518      LG-EDS Systems Inc.
      18101      508           607      Reliance Infocom Ltd Internet
      15270      446           480      PaeTec.net -a division of Pae
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:8         8:86       12:1796     15:19       16:3        17:5      
        18:13       20:36       24:982      25:1        32:57       33:3      
        38:357      40:64       41:346      44:2        45:2        47:8      
        52:3        55:3        56:3        57:23       58:473      59:416    
        60:380      61:983      62:931      63:1979     64:3282     65:2369   
        66:3562     67:849      68:674      69:2001     70:465      71:108    
        72:1411     73:6        74:730      75:263      76:153      77:411    
        78:248      79:1        80:858      81:798      82:583      83:355    
        84:631      85:831      86:349      87:583      88:284      89:1043   
        90:39       91:683      92:4        96:1        97:7        98:9      
       116:415     117:204     118:39      121:323     122:635     123:206    
       124:702     125:1040    128:276     129:195     130:136     131:366    
       132:56      133:8       134:193     135:34      136:182     137:82     
       138:156     139:75      140:505     141:151     142:371     143:254    
       144:317     145:46      146:327     147:130     148:486     149:187    
       150:113     151:137     152:83      153:121     154:11      155:261    
       156:162     157:223     158:160     159:195     160:143     161:99     
       162:189     163:183     164:498     165:397     166:290     167:308    
       168:496     169:126     170:404     171:22      172:2       189:118    
       190:1212    192:5705    193:3997    194:3212    195:2463    196:941    
       198:3791    199:3225    200:5258    201:1237    202:7404    203:7810   
       204:3978    205:2002    206:2416    207:2785    208:2907    209:3597   
       210:2482    211:1077    212:1345    213:1525    214:419     215:45     
       216:4080    217:1197    218:316     219:390     220:1010    221:410    
       222:267    
      
      End of report