[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, 7 Jul 2007 04:03:43 +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 07 Jul, 2007
      
      Report Website: http://thyme.apnic.net
      This report:    http://thyme.apnic.net/ap-data/2007/07/07/0400
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              224940
          Prefixes after maximum aggregation:                          118452
          Deaggregation factor:                                          1.90
          Unique aggregates announced to Internet:                     109238
      Total ASes present in the Internet Routing Table:                 25608
          Prefixes per ASN:                                              8.78
      Origin-only ASes present in the Internet Routing Table:           22305
      Origin ASes announcing only one prefix:                           10844
      Transit ASes present in the Internet Routing Table:                3303
      Transit-only ASes present in the Internet Routing Table:             71
      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:                 5
          Unregistered ASNs in the Routing Table:                           8
      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:                   1732627296
          Equivalent to 103 /8s, 69 /16s and 203 /24s
          Percentage of available address space announced:               46.7
          Percentage of allocated address space announced:               61.9
          Percentage of available address space allocated:               75.5
      Total number of prefixes smaller than registry allocations:      118245
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    52740
          Total APNIC prefixes after maximum aggregation:               20549
          APNIC Deaggregation factor:                                    2.57
      Prefixes being announced from the APNIC address blocks:           49622
          Unique aggregates announced from the APNIC address blocks:    21775
      APNIC Region origin ASes present in the Internet Routing Table:    2997
          APNIC Prefixes per ASN:                                       16.56
      APNIC Region origin ASes announcing only one prefix:                802
      APNIC Region transit ASes present in the Internet Routing Table:    456
      Average APNIC Region AS path length visible:                        3.6
          Max APNIC Region AS path length visible:                         21
      Number of APNIC addresses announced to Internet:              301953440
          Equivalent to 17 /8s, 255 /16s and 113 /24s
          Percentage of available APNIC address space announced:         74.8
      
      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:                    107095
          Total ARIN prefixes after maximum aggregation:                62227
          ARIN Deaggregation factor:                                     1.72
      Prefixes being announced from the ARIN address blocks:            78778
          Unique aggregates announced from the ARIN address blocks:     31062
      ARIN Region origin ASes present in the Internet Routing Table:    11665
          ARIN Prefixes per ASN:                                         6.75
      ARIN Region origin ASes announcing only one prefix:                4495
      ARIN Region transit ASes present in the Internet Routing Table:    1062
      Average ARIN Region AS path length visible:                         3.4
          Max ARIN Region AS path length visible:                          16
      Number of ARIN addresses announced to Internet:               338547520
          Equivalent to 20 /8s, 45 /16s and 211 /24s
          Percentage of available ARIN address space announced:          74.7
      
      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:                     47138
          Total RIPE prefixes after maximum aggregation:                30397
          RIPE Deaggregation factor:                                     1.55
      Prefixes being announced from the RIPE address blocks:            43530
          Unique aggregates announced from the RIPE address blocks:     28835
      RIPE Region origin ASes present in the Internet Routing Table:     9860
          RIPE Prefixes per ASN:                                         4.41
      RIPE Region origin ASes announcing only one prefix:                5223
      RIPE Region transit ASes present in the Internet Routing Table:    1570
      Average RIPE Region AS path length visible:                         4.0
          Max RIPE Region AS path length visible:                          20
      Number of RIPE addresses announced to Internet:               321193280
          Equivalent to 19 /8s, 37 /16s and 5 /24s
          Percentage of available RIPE address space announced:          79.8
      
      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:                   15414
          Total LACNIC prefixes after maximum aggregation:               4257
          LACNIC Deaggregation factor:                                   3.62
      Prefixes being announced from the LACNIC address blocks:          13442
          Unique aggregates announced from the LACNIC address blocks:    7607
      LACNIC Region origin ASes present in the Internet Routing Table:    821
          LACNIC Prefixes per ASN:                                      16.37
      LACNIC Region origin ASes announcing only one prefix:               266
      LACNIC Region transit ASes present in the Internet Routing Table:   144
      Average LACNIC Region AS path length visible:                       4.2
          Max LACNIC Region AS path length visible:                        19
      Number of LACNIC addresses announced to Internet:              40256000
          Equivalent to 2 /8s, 102 /16s and 66 /24s
          Percentage of available LACNIC address space announced:        60.0
      
      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:                   2546
          Total AfriNIC prefixes after maximum aggregation:              1012
          AfriNIC Deaggregation factor:                                  2.52
      Prefixes being announced from the AfriNIC address blocks:          2033
          Unique aggregates announced from the AfriNIC address blocks:   1243
      AfriNIC Region origin ASes present in the Internet Routing Table:   193
          AfriNIC Prefixes per ASN:                                     10.53
      AfriNIC Region origin ASes announcing only one prefix:               58
      AfriNIC Region transit ASes present in the Internet Routing Table:   36
      Average AfriNIC Region AS path length visible:                      3.7
          Max AfriNIC Region AS path length visible:                       15
      Number of AfriNIC addresses announced to Internet:              6277888
          Equivalent to 0 /8s, 95 /16s and 203 /24s
          Percentage of available AfriNIC address space announced:       18.7
      
      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
       4134     1349      10237         282   CHINANET-BACKBONE
       4755     1265        382          71   Videsh Sanchar Nigam Ltd. Aut
       9583     1112         79         396   Sify Limited
       9498      993        469          66   BHARTI BT INTERNET LTD.
      23577      800         34         693   Korea Telecom (ATM-MPLS)
       4766      781       4927         314   Korea Telecom (KIX)
      17488      712         46          52   Hathway IP Over Cable Interne
       7545      688        151         115   TPG Internet Pty Ltd
      18101      563        117          36   Reliance Infocom Ltd Internet
       1221      545       1950         425   Telstra Pty Ltd
       4812      527        903          92   China Telecom (Shanghai)
       4668      510         68          10   LG-EDS Systems Inc.
      17676      504      10935          65   Softbank BB Corp.
       9443      470        122          77   Primus Telecommunications
       4802      411        105         151   Wantree Development
       7474      409        218         269   SingTel Optus Pty Ltd
      17974      370        130          13   PT TELEKOMUNIKASI INDONESIA
       2907      362       1701         302   SINET Japan
       9829      362        258          14   BSNL National Internet Backbo
      17557      351         41         171   Pakistan Telecom
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       7018     1451       6057         985   AT&T WorldNet Services
       4323     1321       1038         369   Time Warner Telecom
       2386     1212        616         754   AT&T Data Communications Serv
       6478     1128        368         147   AT&T Worldnet Services 
      11492     1095        107          24   Cable One 
       6197     1027        717         509   BellSouth Network Solutions, 
      18566     1012        288           9   Covad Communications 
        174      965       6778         864   Cogent Communications
        701      946       6597         721   UUNET Technologies, Inc. 
       7011      851        252         537   Citizens Utilities 
       1239      812       2734         580   Sprint 
      20115      798        728         424   Charter Communications 
      19262      777       2724         200   Verizon Global Networks 
        209      748       3859         581   Qwest 
      22773      733       1892          46   Cox Communications, Inc.
       5668      616        169          21   CenturyTel Internet Holdings,
       7029      614        488          79   Alltel Information Services, 
        855      575        254          73   Canadian Research Network 
        852      572       1089         362   Telus Advanced Communications
       6198      568        613         260   BellSouth Network Solutions, 
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       2119      514       1075         136   Telenor Internet Access
        702      503       1930         402   UUNET - Commercial IP service
      24863      356         56          37   LINKdotNET AS number
       3301      310       1455         290   TeliaNet Sweden
       3320      310       6034         257   Deutsche Telekom AG
       6746      280        129         256   Dynamic Network Technologies,
       5089      268       1658          53   NTL Group Limited
        680      263       2044         255   DFN-IP service G-WiN
       9116      260        136          25   Goldenlines main autonomous s
       3215      255       2376          96   France Telecom Transpac
       8708      250        420         239   Romania Data Systems S.A.
       8220      248        444         240   COLT Telecommunications
       8551      223        213          28   Bezeq International
       3269      222       2775          74   TELECOM ITALIA
       3352      219       1864          41   Ibernet, Internet Access Netw
       9121      210       1441          24   TTnet Autonomous System
       1257      195       1196         173   SWIPnet Swedish IP Network
       3246      194        328         184   Song Networks
      12479      190        578           6   Uni2 Autonomous System
       3300      185        172          91   AUCS Communications Services 
      
      LACNIC Region per AS prefix count summary
      -----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       8151      856       1917         208   UniNet S.A. de C.V. 
      11830      483        299           9   Instituto Costarricense de El
      11172      373        116          63   Servicios Alestra S.A de C.V 
      16814      361         22           8   NSS, S.A. 
      22047      313        238          12   VTR PUNTO NET S.A. 
       7303      300        145          32   Telecom Argentina Stet-France
       6471      295         74          33   ENTEL CHILE S.A. 
      14117      279         19          15   Telefonica del Sur S.A. 
      11556      231        128           4   Cable-Wireless Panama 
       6147      225        172          27   Telefonica Del Peru 
       6503      208        172          85   AVANTEL, S.A. 
      10620      207         59          14   TVCABLE BOGOTA 
      23216      195         16          43   RAMtelecom Telecomunicaciones
      10481      181         72           8   Prima S.A. 
      14522      176         28           7   SatNet S.A. 
       8163      173         11           7   METROTEL REDES S.A. 
       7738      156        506          23   Telecomunicacoes da Bahia S.A
      21826      156         27          59   INTERCABLE 
       7910      155         11          30   ANDINET ON LINE 
      19169      153         10          31   Telconet 
      
      AfriNIC Region per AS prefix count summary
      ------------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       3741      278        867         220   The Internet Solution 
       8452      211        188           7   TEDATA
       6713      142        135          11   Itissalat Al-MAGHRIB
       2018      136        301         111   Tertiary Education Network 
      33783      124          8          12   EEPAD TISP TELECOM & INTERNET
       5536      123          8          15   Internet Egypt Network
      24835       86         48           6   RAYA Telecom - Egypt
       2905       77        174          73   The Internetworking Company o
      15475       76         84           4   Nile Online
       2561       62          6           2   Egyptian Universities Network
      15706       56         12           4   Sudatel Internet Exchange Aut
      23889       49         16          14   MAURITIUS TELECOM
       5713       45        294          35   Telkom SA Ltd 
      33774       43         29          24   AS Number for Telecom Algeria
      16637       37         21          29   Johnnic e-Ventures 
      12455       35          6           3   Jambonet Autonomous system
      33776       35          2           3   Starcomms Nigeria Limited
       8524       32          2           8   AUCEGYPT Autonomous System
      21280       28          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      1265        1194      Videsh Sanchar Nigam Ltd. Aut
      11492      1095        1071      Cable One 
       4134      1349        1067      CHINANET-BACKBONE
      18566      1012        1003      Covad Communications 
       6478      1128         981      AT&T Worldnet Services 
       4323      1321         952      Time Warner Telecom
       9498       993         927      BHARTI BT INTERNET LTD.
       9583      1112         716      Sify Limited
      22773       733         687      Cox Communications, Inc.
      17488       712         660      Hathway IP Over Cable Interne
       8151       856         648      UniNet S.A. de C.V. 
       5668       616         595      CenturyTel Internet Holdings,
      19262       777         577      Verizon Global Networks 
       7545       688         573      TPG Internet Pty Ltd
       7029       614         535      Alltel Information Services, 
      18101       563         527      Reliance Infocom Ltd Internet
       6517       561         525      Yipes Communications, Inc. 
       6197      1027         518      BellSouth Network Solutions, 
      19916       568         517      OLM LLC 
      15270       555         517      PaeTec.net -a division of Pae
      
      List of Unregistered Origin ASNs (Global)
      -----------------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
      65332   PRIVATE       63.166.106.192/27     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
      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        /8:18       /9:9       /10:15      /11:36      /12:127     
      /13:251     /14:464     /15:897     /16:9540    /17:4008    /18:6496    
      /19:13704   /20:15962   /21:14303   /22:18729   /23:19656   /24:118349  
      /25:791     /26:991     /27:480     /28:77      /29:10      /30:14      
      /31:0       /32:13      
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       6478     1118          1128      AT&T Worldnet Services 
      11492     1086          1095      Cable One 
      18566      994          1012      Covad Communications 
       9583      954          1112      Sify Limited
       2386      904          1212      AT&T Data Communications Serv
      23577      791           800      Korea Telecom (ATM-MPLS)
       7018      789          1451      AT&T WorldNet Services
       6197      780          1027      BellSouth Network Solutions, 
       7011      750           851      Citizens Utilities 
       9498      663           993      BHARTI BT INTERNET LTD.
       4755      660          1265      Videsh Sanchar Nigam Ltd. Aut
       4766      588           781      Korea Telecom (KIX)
      19916      563           568      OLM LLC 
       4323      553          1321      Time Warner Telecom
      17488      535           712      Hathway IP Over Cable Interne
       6517      527           561      Yipes Communications, Inc. 
      15270      519           555      PaeTec.net -a division of Pae
       4668      500           510      LG-EDS Systems Inc.
       5668      480           616      CenturyTel Internet Holdings,
      18101      478           563      Reliance Infocom Ltd Internet
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:8         7:1         8:84        9:1        12:1811     15:19     
        16:3        17:3        18:11       20:37       24:936      25:1      
        32:50       33:3        38:332      40:61       41:180      44:2      
        47:3        52:4        55:3        56:3        57:25       58:425    
        59:391      60:319      61:985      62:876      63:1965     64:3111   
        65:2347     66:3298     67:747      68:627      69:1895     70:434    
        71:106      72:1341     73:2        74:564      75:265      76:72     
        77:265      78:18       80:842      81:813      82:673      83:384    
        84:480      85:854      86:341      87:449      88:283      89:885    
        90:7        91:408      97:6        98:4       116:246     117:45     
       121:219     122:571     123:122     124:834     125:948     128:291    
       129:214     130:139     131:362     132:54      133:9       134:195    
       135:38      136:181     137:81      138:149     139:73      140:480    
       141:173     142:374     143:243     144:297     145:43      146:325    
       147:120     148:404     149:145     150:113     151:160     152:92     
       153:126     154:4       155:254     156:153     157:212     158:157    
       159:158     160:105     161:92      162:222     163:180     164:466    
       165:416     166:294     167:287     168:504     169:120     170:406    
       171:18      172:1       189:62      190:710     192:5749    193:3896   
       194:3166    195:2250    196:929     198:3804    199:3268    200:4912   
       201:1093    202:7360    203:7556    204:3955    205:2025    206:2406   
       207:2833    208:2705    209:3501    210:2451    211:967     212:1307   
       213:1467    214:399     215:42      216:4008    217:1149    218:359    
       219:384     220:980     221:414     222:264    
      
      End of report