[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, 16 Jun 2007 04:03:36 +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 16 Jun, 2007
      
      Report Website: http://thyme.apnic.net
      This report:    http://thyme.apnic.net/ap-data/2007/06/16/0400
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              222914
          Prefixes after maximum aggregation:                          117940
          Deaggregation factor:                                          1.89
          Unique aggregates announced to Internet:                     108491
      Total ASes present in the Internet Routing Table:                 25464
          Prefixes per ASN:                                              8.75
      Origin-only ASes present in the Internet Routing Table:           22162
      Origin ASes announcing only one prefix:                           10772
      Transit ASes present in the Internet Routing Table:                3302
      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:                                      22
          Max AS path prepend of ASN (35389)                               16
      Prefixes from unregistered ASNs in the Routing Table:                 5
          Unregistered ASNs in the Routing Table:                           7
      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:             12
      Number of addresses announced to Internet:                   1737995104
          Equivalent to 103 /8s, 151 /16s and 179 /24s
          Percentage of available address space announced:               46.9
          Percentage of allocated address space announced:               62.1
          Percentage of available address space allocated:               75.5
      Total number of prefixes smaller than registry allocations:      116911
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    52214
          Total APNIC prefixes after maximum aggregation:               20460
          APNIC Deaggregation factor:                                    2.55
      Prefixes being announced from the APNIC address blocks:           49154
          Unique aggregates announced from the APNIC address blocks:    21596
      APNIC Region origin ASes present in the Internet Routing Table:    2976
          APNIC Prefixes per ASN:                                       16.52
      APNIC Region origin ASes announcing only one prefix:                796
      APNIC Region transit ASes present in the Internet Routing Table:    457
      Average APNIC Region AS path length visible:                        3.6
          Max APNIC Region AS path length visible:                         15
      Number of APNIC addresses announced to Internet:              299838112
          Equivalent to 17 /8s, 223 /16s and 42 /24s
          Percentage of available APNIC address space announced:         74.3
      
      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:                    106469
          Total ARIN prefixes after maximum aggregation:                62049
          ARIN Deaggregation factor:                                     1.72
      Prefixes being announced from the ARIN address blocks:            78328
          Unique aggregates announced from the ARIN address blocks:     31014
      ARIN Region origin ASes present in the Internet Routing Table:    11628
          ARIN Prefixes per ASN:                                         6.74
      ARIN Region origin ASes announcing only one prefix:                4468
      ARIN Region transit ASes present in the Internet Routing Table:    1070
      Average ARIN Region AS path length visible:                         3.4
          Max ARIN Region AS path length visible:                          17
      Number of ARIN addresses announced to Internet:               336093824
          Equivalent to 20 /8s, 8 /16s and 98 /24s
          Percentage of available ARIN address space announced:          74.2
      
      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:                     46726
          Total RIPE prefixes after maximum aggregation:                30200
          RIPE Deaggregation factor:                                     1.55
      Prefixes being announced from the RIPE address blocks:            43218
          Unique aggregates announced from the RIPE address blocks:     28664
      RIPE Region origin ASes present in the Internet Routing Table:     9787
          RIPE Prefixes per ASN:                                         4.42
      RIPE Region origin ASes announcing only one prefix:                5190
      RIPE Region transit ASes present in the Internet Routing Table:    1567
      Average RIPE Region AS path length visible:                         4.0
          Max RIPE Region AS path length visible:                          22
      Number of RIPE addresses announced to Internet:               315250688
          Equivalent to 18 /8s, 202 /16s and 88 /24s
          Percentage of available RIPE address space announced:          78.3
      
      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:                   14923
          Total LACNIC prefixes after maximum aggregation:               4216
          LACNIC Deaggregation factor:                                   3.54
      Prefixes being announced from the LACNIC address blocks:          12999
          Unique aggregates announced from the LACNIC address blocks:    7312
      LACNIC Region origin ASes present in the Internet Routing Table:    806
          LACNIC Prefixes per ASN:                                      16.13
      LACNIC Region origin ASes announcing only one prefix:               260
      LACNIC Region transit ASes present in the Internet Routing Table:   138
      Average LACNIC Region AS path length visible:                       4.2
          Max LACNIC Region AS path length visible:                        18
      Number of LACNIC addresses announced to Internet:              39271168
          Equivalent to 2 /8s, 87 /16s and 59 /24s
          Percentage of available LACNIC address space announced:        58.5
      
      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:                   2573
          Total AfriNIC prefixes after maximum aggregation:              1005
          AfriNIC Deaggregation factor:                                  2.56
      Prefixes being announced from the AfriNIC address blocks:          1988
          Unique aggregates announced from the AfriNIC address blocks:   1208
      AfriNIC Region origin ASes present in the Internet Routing Table:   191
          AfriNIC Prefixes per ASN:                                     10.41
      AfriNIC Region origin ASes announcing only one prefix:               58
      AfriNIC Region transit ASes present in the Internet Routing Table:   38
      Average AfriNIC Region AS path length visible:                      3.8
          Max AfriNIC Region AS path length visible:                       14
      Number of AfriNIC addresses announced to Internet:              6243584
          Equivalent to 0 /8s, 95 /16s and 69 /24s
          Percentage of available AfriNIC address space announced:       18.6
      
      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     1289       9973         279   CHINANET-BACKBONE
       4755     1230        382          71   Videsh Sanchar Nigam Ltd. Aut
       9583     1100         79         395   Sify Limited
       9498     1002        469          67   BHARTI BT INTERNET LTD.
       4766      787       4943         312   Korea Telecom (KIX)
      23577      777         35         705   Korea Telecom (ATM-MPLS)
      17488      701         46          40   Hathway IP Over Cable Interne
       7545      632        143          82   TPG Internet Pty Ltd
      18101      558        117          35   Reliance Infocom Ltd Internet
       1221      550       1954         425   Telstra Pty Ltd
       4668      508         68          10   LG-EDS Systems Inc.
      17676      504      10935          65   Softbank BB Corp.
       4812      465        843          80   China Telecom (Shanghai)
       9443      465        121          77   Primus Telecommunications
       7474      412        218         270   SingTel Optus Pty Ltd
       4802      408         86         147   Wantree Development
      17974      371        129          12   PT TELEKOMUNIKASI INDONESIA
       9829      363        258          15   BSNL National Internet Backbo
       2907      360       1700         301   SINET Japan
      17557      358         41         173   Pakistan Telecom
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       7018     1473       6112         974   AT&T WorldNet Services
       4323     1276       1034         366   Time Warner Telecom
       2386     1141        596         753   AT&T Data Communications Serv
       6478     1111        364         142   AT&T Worldnet Services 
      11492     1083        106          22   Cable One 
       6197     1024        707         508   BellSouth Network Solutions, 
      18566     1010        288           9   Covad Communications 
        174      956       6780         867   Cogent Communications
        701      953       6596         727   UUNET Technologies, Inc. 
       7011      840        234         531   Citizens Utilities 
       1239      806       2731         573   Sprint 
      20115      800        730         426   Charter Communications 
      19262      776       2703         202   Verizon Global Networks 
        209      745       3838         581   Qwest 
      22773      721       1892          44   Cox Communications, Inc.
       5668      612        169          20   CenturyTel Internet Holdings,
       7029      599        488          80   Alltel Information Services, 
        852      589       1090         372   Telus Advanced Communications
        855      573        253          71   Canadian Research Network 
      19916      568         49          51   OLM LLC 
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        702      515       1938         406   UUNET - Commercial IP service
       2119      513       1075         135   Telenor Internet Access
      24863      351         56          35   LINKdotNET AS number
       3301      308       1471         288   TeliaNet Sweden
       3320      307       6018         256   Deutsche Telekom AG
       6746      278        129         255   Dynamic Network Technologies,
        680      265       2044         256   DFN-IP service G-WiN
       3215      249       2296          95   France Telecom Transpac
       8220      248        444         240   COLT Telecommunications
       8708      237        416         230   Romania Data Systems S.A.
       5089      221       1658          53   NTL Group Limited
       3269      218       2679          75   TELECOM ITALIA
       3352      216       1864          37   Ibernet, Internet Access Netw
       9121      208       1441          23   TTnet Autonomous System
       8551      207        197          27   Bezeq International
       9116      199        136          25   Goldenlines main autonomous s
       1257      198       1196         176   SWIPnet Swedish IP Network
       3246      197        331         187   Song Networks
      12479      189        578           6   Uni2 Autonomous System
       3300      181        171          88   AUCS Communications Services 
      
      LACNIC Region per AS prefix count summary
      -----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       8151      844       1904         207   UniNet S.A. de C.V. 
      11830      483        299          19   Instituto Costarricense de El
      11172      371        116          63   Servicios Alestra S.A de C.V 
      16814      361         22           8   NSS, S.A. 
      22047      316        238          12   VTR PUNTO NET S.A. 
       7303      295        144          31   Telecom Argentina Stet-France
       6471      272         74          33   ENTEL CHILE S.A. 
      14117      255         19          15   Telefonica del Sur S.A. 
      11556      231        128           4   Cable-Wireless Panama 
       6147      223        168          25   Telefonica Del Peru 
       6503      211        188          84   AVANTEL, S.A. 
      10620      207         59          14   TVCABLE BOGOTA 
      10481      181         72           8   Prima S.A. 
      14522      167         27           8   SatNet S.A. 
      23216      163         19          42   RAMtelecom Telecomunicaciones
      21826      157         27          59   INTERCABLE 
       7910      155         11          33   ANDINET ON LINE 
      19429      152         79          41   E.T.B. 
      20299      147         23          12   NEWCOM AMERICAS 
       7738      146        474          22   Telecomunicacoes da Bahia S.A
      
      AfriNIC Region per AS prefix count summary
      ------------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       3741      280        867         221   The Internet Solution 
       8452      214        188           7   TEDATA
       6713      142        135          11   Itissalat Al-MAGHRIB
       2018      136        301         111   Tertiary Education Network 
      15475      136         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       48         16          13   MAURITIUS TELECOM
       5713       44        294          34   Telkom SA Ltd 
      33774       43         29          24   AS Number for Telecom Algeria
      16637       37         21          29   Johnnic e-Ventures 
      33776       36          2           2   Starcomms Nigeria Limited
      12455       34          6           3   Jambonet Autonomous system
       8524       32          2           8   AUCEGYPT Autonomous System
      21280       27          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      1230        1159      Videsh Sanchar Nigam Ltd. Aut
      11492      1083        1061      Cable One 
       4134      1289        1010      CHINANET-BACKBONE
      18566      1010        1001      Covad Communications 
       6478      1111         969      AT&T Worldnet Services 
       9498      1002         935      BHARTI BT INTERNET LTD.
       4323      1276         910      Time Warner Telecom
       9583      1100         705      Sify Limited
      22773       721         677      Cox Communications, Inc.
      17488       701         661      Hathway IP Over Cable Interne
       8151       844         637      UniNet S.A. de C.V. 
       5668       612         592      CenturyTel Internet Holdings,
      19262       776         574      Verizon Global Networks 
       7545       632         550      TPG Internet Pty Ltd
      18101       558         523      Reliance Infocom Ltd Internet
       7029       599         519      Alltel Information Services, 
      19916       568         517      OLM LLC 
       6197      1024         516      BellSouth Network Solutions, 
      15270       546         511      PaeTec.net -a division of Pae
        855       573         502      Canadian Research Network 
      
      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 
      65001   PRIVATE       82.213.31.0/24       12975       PALTEL Autonomous Sy
      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 
      94.110.196.0/24      21161     Bechtle Autonomous System
      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       /10:15      /11:35      /12:124     
      /13:245     /14:463     /15:889     /16:9457    /17:4013    /18:6444    
      /19:13611   /20:15718   /21:14184   /22:18453   /23:19509   /24:117366  
      /25:803     /26:980     /27:475     /28:67      /29:10      /30:13      
      /31:0       /32:12      
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       6478     1101          1111      AT&T Worldnet Services 
      11492     1074          1083      Cable One 
      18566      992          1010      Covad Communications 
       9583      942          1100      Sify Limited
       2386      840          1141      AT&T Data Communications Serv
       7018      790          1473      AT&T WorldNet Services
       6197      777          1024      BellSouth Network Solutions, 
      23577      763           777      Korea Telecom (ATM-MPLS)
       7011      742           840      Citizens Utilities 
       9498      672          1002      BHARTI BT INTERNET LTD.
       4755      631          1230      Videsh Sanchar Nigam Ltd. Aut
       4766      593           787      Korea Telecom (KIX)
      19916      563           568      OLM LLC 
       4323      523          1276      Time Warner Telecom
      17488      523           701      Hathway IP Over Cable Interne
      15270      513           546      PaeTec.net -a division of Pae
       4668      498           508      LG-EDS Systems Inc.
       5668      477           612      CenturyTel Internet Holdings,
      18101      474           558      Reliance Infocom Ltd Internet
        855      471           573      Canadian Research Network 
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:9         7:1         8:81        9:1        12:1808     15:19     
        16:3        17:3        18:8        20:36       24:918      25:1      
        32:51       33:2        38:322      40:61       41:164      44:2      
        47:5        52:4        55:3        56:3        57:25       58:415    
        59:405      60:301      61:984      62:933      63:1968     64:3119   
        65:2356     66:3254     67:746      68:636      69:1879     70:429    
        71:112      72:1322     73:1        74:525      75:259      76:40     
        77:238      78:2        80:818      81:808      82:662      83:392    
        84:418      85:844      86:383      87:486      88:279      89:910    
        90:7        91:368      94:1        97:6        98:3       116:194    
       117:49      121:202     122:547     123:114     124:829     125:944    
       128:280     129:223     130:126     131:365     132:53      133:9      
       134:193     135:39      136:185     137:81      138:142     139:71     
       140:481     141:171     142:372     143:234     144:291     145:43     
       146:320     147:120     148:397     149:142     150:114     151:158    
       152:93      153:126     154:4       155:254     156:152     157:188    
       158:158     159:157     160:106     161:91      162:228     163:183    
       164:450     165:399     166:241     167:285     168:512     169:120    
       170:401     171:16      172:1       189:53      190:578     192:5767   
       193:3873    194:3150    195:2237    196:908     198:3753    199:3290   
       200:4850    201:1017    202:7371    203:7529    204:3963    205:2032   
       206:2338    207:2811    208:2641    209:3512    210:2457    211:956    
       212:1310    213:1481    214:413     215:40      216:4010    217:1145   
       218:358     219:384     220:976     221:409     222:261    
      
      End of report