[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, 12 Jan 2008 04:05:07 +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 12 Jan, 2008
      
      Report Website:     http://thyme.apnic.net
      Detailed Analysis:  http://thyme.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              242944
          Prefixes after maximum aggregation:                          124170
          Deaggregation factor:                                          1.96
          Unique aggregates announced to Internet:                     118684
      Total ASes present in the Internet Routing Table:                 27064
          Prefixes per ASN:                                              8.98
      Origin-only ASes present in the Internet Routing Table:           23563
      Origin ASes announcing only one prefix:                           11452
      Transit ASes present in the Internet Routing Table:                3501
      Transit-only ASes present in the Internet Routing Table:             77
      Average AS path length visible in the Internet Routing Table:       3.6
          Max AS path length visible:                                      19
          Max AS path prepend of ASN (29642)                               15
      Prefixes from unregistered ASNs in the Routing Table:                12
          Unregistered ASNs in the Routing Table:                           8
      Prefixes from 32-bit ASNs in the Routing Table:                       9
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:             12
      Number of addresses announced to Internet:                   1799965984
          Equivalent to 107 /8s, 73 /16s and 77 /24s
          Percentage of available address space announced:               48.6
          Percentage of allocated address space announced:               62.1
          Percentage of available address space allocated:               78.2
      Total number of prefixes smaller than registry allocations:      114374
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    55911
          Total APNIC prefixes after maximum aggregation:               21003
          APNIC Deaggregation factor:                                    2.66
      Prefixes being announced from the APNIC address blocks:           53426
          Unique aggregates announced from the APNIC address blocks:    23847
      APNIC Region origin ASes present in the Internet Routing Table:    3091
          APNIC Prefixes per ASN:                                       17.28
      APNIC Region origin ASes announcing only one prefix:                806
      APNIC Region transit ASes present in the Internet Routing Table:    461
      Average APNIC Region AS path length visible:                        3.6
          Max APNIC Region AS path length visible:                         14
      Number of APNIC addresses announced to Internet:              325161632
          Equivalent to 19 /8s, 97 /16s and 146 /24s
          Percentage of available APNIC address space announced:         74.4
      
      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, 114/7, 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:                    114433
          Total ARIN prefixes after maximum aggregation:                65214
          ARIN Deaggregation factor:                                     1.75
      Prefixes being announced from the ARIN address blocks:            83426
          Unique aggregates announced from the ARIN address blocks:     33233
      ARIN Region origin ASes present in the Internet Routing Table:    12059
          ARIN Prefixes per ASN:                                         6.92
      ARIN Region origin ASes announcing only one prefix:                4646
      ARIN Region transit ASes present in the Internet Routing Table:    1152
      Average ARIN Region AS path length visible:                         3.4
          Max ARIN Region AS path length visible:                          15
      Number of ARIN addresses announced to Internet:               355588544
          Equivalent to 21 /8s, 49 /16s and 217 /24s
          Percentage of available ARIN address space announced:          78.5
      
      ARIN AS Blocks         1-1876, 1902-2042, 2044-2046, 2048-2106
      (pre-ERX allocations)  2138-2584, 2615-2772, 2823-2829, 2880-3153
                             3354-4607, 4865-5119, 5632-6655, 6912-7466
                             7723-8191, 10240-12287, 13312-15359, 16384-17407
                             18432-20479, 21504-23551, 25600-26591,
                             26624-27647, 29696-30719, 31744-33791
                             35840-36863, 39936-40959
      ARIN Address Blocks    24/8, 63/8, 64/5, 72/6, 76/8, 96/6, 199/8, 204/6,
                             208/7 and 216/8
      
      RIPE Region Analysis Summary
      ----------------------------
      
      Prefixes being announced by RIPE Region ASes:                     50815
          Total RIPE prefixes after maximum aggregation:                32203
          RIPE Deaggregation factor:                                     1.58
      Prefixes being announced from the RIPE address blocks:            48137
          Unique aggregates announced from the RIPE address blocks:     31950
      RIPE Region origin ASes present in the Internet Routing Table:    10722
          RIPE Prefixes per ASN:                                         4.49
      RIPE Region origin ASes announcing only one prefix:                5645
      RIPE Region transit ASes present in the Internet Routing Table:    1666
      Average RIPE Region AS path length visible:                         4.0
          Max RIPE Region AS path length visible:                          18
      Number of RIPE addresses announced to Internet:               340099072
          Equivalent to 20 /8s, 69 /16s and 128 /24s
          Percentage of available RIPE address space announced:          78.0
      
      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:                   18404
          Total LACNIC prefixes after maximum aggregation:               4626
          LACNIC Deaggregation factor:                                   3.98
      Prefixes being announced from the LACNIC address blocks:          16553
          Unique aggregates announced from the LACNIC address blocks:    9040
      LACNIC Region origin ASes present in the Internet Routing Table:    897
          LACNIC Prefixes per ASN:                                      18.45
      LACNIC Region origin ASes announcing only one prefix:               287
      LACNIC Region transit ASes present in the Internet Routing Table:   153
      Average LACNIC Region AS path length visible:                       3.9
          Max LACNIC Region AS path length visible:                        19
      Number of LACNIC addresses announced to Internet:              47242240
          Equivalent to 2 /8s, 208 /16s and 220 /24s
          Percentage of available LACNIC address space announced:        46.9
      
      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:                   3359
          Total AfriNIC prefixes after maximum aggregation:              1106
          AfriNIC Deaggregation factor:                                  3.04
      Prefixes being announced from the AfriNIC address blocks:          2504
          Unique aggregates announced from the AfriNIC address blocks:   1455
      AfriNIC Region origin ASes present in the Internet Routing Table:   217
          AfriNIC Prefixes per ASN:                                     11.54
      AfriNIC Region origin ASes announcing only one prefix:               68
      AfriNIC Region transit ASes present in the Internet Routing Table:   39
      Average AfriNIC Region AS path length visible:                      3.6
          Max AfriNIC Region AS path length visible:                       14
      Number of AfriNIC addresses announced to Internet:              8219136
          Equivalent to 0 /8s, 125 /16s and 106 /24s
          Percentage of available AfriNIC address space announced:       24.5
      
      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     1518        383          71   Videsh Sanchar Nigam Ltd. Aut
       9583     1112         82         436   Sify Limited
       9498     1094        549          61   BHARTI BT INTERNET LTD.
      17488      960         62          87   Hathway IP Over Cable Interne
       4134      858      11593         305   CHINANET-BACKBONE
       4766      834       5494         339   Korea Telecom (KIX)
      23577      815         34         693   Korea Telecom (ATM-MPLS)
      18101      609        121          60   Reliance Infocom Ltd Internet
       4780      591        308          43   Digital United Inc.
       9829      590        449          11   BSNL National Internet Backbo
       1221      545       1952         421   Telstra Pty Ltd
       4812      535        938          83   China Telecom (Shanghai)
       4808      530        821         125   CNCGROUP IP network: China169
       4668      521         68          10   LG-EDS Systems Inc.
      17676      505      10919          64   Softbank BB Corp.
       7545      486        146          89   TPG Internet Pty Ltd
       4802      471        128         152   Wantree Development
       9443      434        121          69   Primus Telecommunications
      17974      399        145          17   PT TELEKOMUNIKASI INDONESIA
       7474      386        202         272   SingTel Optus Pty Ltd
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       7018     1472       6073         996   AT&T WorldNet Services
       4323     1388       1011         361   Time Warner Telecom
       2386     1355        668         824   AT&T Data Communications Serv
      11492     1210        134          16   Cable One 
       6478     1095        330         135   AT&T Worldnet Services 
      18566     1039        296          10   Covad Communications 
       7011     1003        296         589   Citizens Utilities 
        174      969       6832         812   Cogent Communications
       6197      968        697         502   BellSouth Network Solutions, 
        701      898       6559         693   UUNET Technologies, Inc. 
      19262      863       3156         171   Verizon Global Networks 
      20115      862        794         468   Charter Communications 
      22773      837       2139          58   Cox Communications, Inc.
       3356      835      10907         412   Level 3 Communications, LLC 
       1239      793       2673         552   Sprint 
        209      751       3912         600   Qwest 
       5668      666        177          19   CenturyTel Internet Holdings,
       6140      608        110         151   ImpSat
       6517      605        151          42   Yipes Communications, Inc. 
        852      600       1134         358   Telus Advanced Communications
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       3292      402       1651         367   TDC Tele Danmark
       3301      327       1458         298   TeliaNet Sweden
       3320      317       6019         263   Deutsche Telekom AG
       8452      287        188           7   TEDATA
       8551      278        267          41   Bezeq International
       8866      277         78          24   Bulgarian Telecommunication C
       5462      276        666          27   Telewest Broadband
       6746      272        128         250   Dynamic Network Technologies,
        680      270       2046         255   DFN-IP service G-WiN
       3215      270       2583          92   France Telecom Transpac
       8708      270        420         241   Romania Data Systems S.A.
       8220      242        422         228   COLT Telecommunications
       3352      240       1948          40   Ibernet, Internet Access Netw
       3269      231       3037          68   TELECOM ITALIA
       9155      227         43          10   QualityNet AS number
       3300      211        172         100   AUCS Communications Services 
       9121      209       1444          25   TTnet Autonomous System
      29357      199         17           4   WATANIYA TELECOM
       1257      197       1196         180   SWIPnet Swedish IP Network
       9116      196        184          28   Goldenlines main autonomous s
      
      LACNIC Region per AS prefix count summary
      -----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       8151     1149       2390         218   UniNet S.A. de C.V. 
      11830      545        299           9   Instituto Costarricense de El
      16814      427         27          10   NSS, S.A. 
       7303      418        203          56   Telecom Argentina Stet-France
      11172      396        115          62   Servicios Alestra S.A de C.V 
       6471      374         85          37   ENTEL CHILE S.A. 
      14117      351         23          16   Telefonica del Sur S.A. 
      10620      343         91          25   TVCABLE BOGOTA 
      22047      322        254          13   VTR PUNTO NET S.A. 
      10481      301        120          10   Prima S.A. 
       6147      255        214          21   Telefonica Del Peru 
       7738      240        602          25   Telecomunicacoes da Bahia S.A
      11556      236        128           4   Cable-Wireless Panama 
      20299      236         33          29   NEWCOM AMERICAS 
      28573      228        322          23   NET Servicos de Comunicao S.A
      23216      225         17          47   RAMtelecom Telecomunicaciones
      14522      220         36           8   SatNet S.A. 
       6503      215        180          85   AVANTEL, S.A. 
      10834      194         76          40   ADVANCE TELECOMUNICACIONES S.
      19169      193         12          20   Telconet 
      
      AfriNIC Region per AS prefix count summary
      ------------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
      24863      402         60          36   LINKdotNET AS number
       3741      282        869         226   The Internet Solution 
      20858      201         34           3   EgyNet
       6713      145        135          11   Itissalat Al-MAGHRIB
       2018      142        268         114   Tertiary Education Network 
      33783      141          9          10   EEPAD TISP TELECOM & INTERNET
       5536      124          8          10   Internet Egypt Network
      33776       99          6           7   Starcomms Nigeria Limited
      24835       88         48           6   RAYA Telecom - Egypt
      15475       85         84           4   Nile Online
       2905       77        174          73   The Internetworking Company o
      23889       77         24          16   MAURITIUS TELECOM
      29571       77         13           7   Ci Telecom Autonomous system 
      20484       71          5           4   Yalla Online Autonomous Syste
      15706       57         12           4   Sudatel Internet Exchange Aut
       5713       50        455          40   Telkom SA Ltd 
      33774       50         37          28   AS Number for Telecom Algeria
      16637       41         21          28   Johnnic e-Ventures 
       8524       33          2           8   AUCEGYPT Autonomous System
      12455       32          6           3   Jambonet Autonomous system
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
      11492      1210        1194      Cable One 
       9498      1094        1033      BHARTI BT INTERNET LTD.
      18566      1039        1029      Covad Communications 
       4323      1388        1027      Time Warner Telecom
       6478      1095         960      AT&T Worldnet Services 
       8151      1149         931      UniNet S.A. de C.V. 
      17488       960         873      Hathway IP Over Cable Interne
      22773       837         779      Cox Communications, Inc.
      19262       863         692      Verizon Global Networks 
       9583      1112         676      Sify Limited
       5668       666         647      CenturyTel Internet Holdings,
       9829       590         579      BSNL National Internet Backbo
       6517       605         563      Yipes Communications, Inc. 
       4134       858         553      CHINANET-BACKBONE
      18101       609         549      Reliance Infocom Ltd Internet
       4780       591         548      Digital United Inc.
      15270       600         545      PaeTec.net -a division of Pae
      11830       545         536      Instituto Costarricense de El
       2386      1355         531      AT&T Data Communications Serv
      19916       563         521      OLM LLC 
      
      List of Unregistered Origin ASNs (Global)
      -----------------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
      65101   PRIVATE       89.211.192.0/19      42298       Qatar Telecom
      65364   PRIVATE       190.144.163.0/24     14080       FIRSTCOM COLOMBIA 
      65389   PRIVATE       190.144.166.0/24     14080       FIRSTCOM COLOMBIA 
      65394   PRIVATE       190.144.167.0/24     14080       FIRSTCOM COLOMBIA 
      65403   PRIVATE       190.144.168.0/24     14080       FIRSTCOM COLOMBIA 
      65375   PRIVATE       190.144.175.0/24     14080       FIRSTCOM COLOMBIA 
      65201   PRIVATE       202.112.45.0/24       4538       China Education and 
      65201   PRIVATE       202.112.49.0/24       4538       China Education and 
      65201   PRIVATE       202.112.50.0/24       4538       China Education and 
      65201   PRIVATE       202.112.54.0/24       4538       China Education and 
      65201   PRIVATE       202.112.57.0/24       4538       China Education and 
      65201   PRIVATE       202.112.58.0/24       4538       China Education and 
      
      Advertised Unallocated Addresses
      --------------------------------
      
      Network            Origin AS  Description
      31.31.31.0/24         9730     The Best ISP to go Multimedia
      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
      173.173.173.0/24      9730     The Best ISP to go Multimedia
      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      /11:40      /12:133     
      /13:271     /14:486     /15:969     /16:9735    /17:4210    /18:6947    
      /19:14867   /20:17088   /21:16130   /22:20334   /23:21444   /24:127610  
      /25:872     /26:1093    /27:557     /28:101     /29:8       /30:1       
      /31:0       /32:6       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
      11492     1200          1210      Cable One 
       6478     1094          1095      AT&T Worldnet Services 
       2386     1049          1355      AT&T Data Communications Serv
      18566     1020          1039      Covad Communications 
       9583      957          1112      Sify Limited
       7011      888          1003      Citizens Utilities 
       4755      882          1518      Videsh Sanchar Nigam Ltd. Aut
       7018      808          1472      AT&T WorldNet Services
      23577      806           815      Korea Telecom (ATM-MPLS)
      17488      775           960      Hathway IP Over Cable Interne
       9498      766          1094      BHARTI BT INTERNET LTD.
       6197      728           968      BellSouth Network Solutions, 
       4766      618           834      Korea Telecom (KIX)
       4323      594          1388      Time Warner Telecom
       6517      568           605      Yipes Communications, Inc. 
      15270      560           600      PaeTec.net -a division of Pae
      19916      558           563      OLM LLC 
       5668      522           666      CenturyTel Internet Holdings,
       4668      511           521      LG-EDS Systems Inc.
      18101      503           609      Reliance Infocom Ltd Internet
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:9         8:97       12:1940     13:2        15:21       16:3      
        17:6        18:14       20:35       24:1009     25:1        31:1      
        32:61       33:4        38:379      40:65       41:439      44:2      
        47:8        52:3        55:3        56:3        57:22       58:504    
        59:413      60:405      61:980      62:1046     63:1981     64:3335   
        65:2364     66:3605     67:1059     68:640      69:2077     70:469    
        71:105      72:1462     73:7        74:785      75:173      76:176    
        77:493      78:434      79:65       80:888      81:786      82:565    
        83:352      84:522      85:926      86:366      87:595      88:289    
        89:1085     90:39       91:898      92:96       93:18       95:1      
        96:2        97:7        98:29      114:1       115:1       116:481    
       117:241     118:63      119:89      121:387     122:668     123:226    
       124:767     125:1062    128:310     129:198     130:125     131:390    
       132:68      133:9       134:188     135:31      136:215     137:85     
       138:149     139:90      140:500     141:131     142:375     143:272    
       144:325     145:51      146:336     147:129     148:481     149:188    
       150:115     151:131     152:95      153:127     154:11      155:278    
       156:196     157:246     158:165     159:212     160:196     161:99     
       162:199     163:190     164:562     165:420     166:291     167:310    
       168:566     169:130     170:427     171:28      172:3       173:1      
       189:140     190:1382    192:5742    193:4061    194:3247    195:2317   
       196:959     198:3803    199:3221    200:5414    201:1295    202:7492   
       203:7906    204:3959    205:2052    206:2424    207:2753    208:3092   
       209:3607    210:2637    211:1118    212:1265    213:1612    214:448    
       215:46      216:4134    217:1236    218:331     219:404     220:1008   
       221:411     222:295    
      
      End of report