[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, 2 Jun 2007 04:03:33 +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 02 Jun, 2007
      
      Report Website: http://thyme.apnic.net
      This report:    http://thyme.apnic.net/ap-data/2007/06/02/0400
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              222527
          Prefixes after maximum aggregation:                          118143
          Deaggregation factor:                                          1.88
          Unique aggregates announced to Internet:                     107718
      Total ASes present in the Internet Routing Table:                 25331
          Prefixes per ASN:                                              8.78
      Origin-only ASes present in the Internet Routing Table:           22061
      Origin ASes announcing only one prefix:                           10698
      Transit ASes present in the Internet Routing Table:                3270
      Transit-only ASes present in the Internet Routing Table:             79
      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:                 4
          Unregistered ASNs in the Routing Table:                           6
      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:             12
      Number of addresses announced to Internet:                   1727916640
          Equivalent to 102 /8s, 253 /16s and 234 /24s
          Percentage of available address space announced:               46.6
          Percentage of allocated address space announced:               61.8
          Percentage of available address space allocated:               75.5
      Total number of prefixes smaller than registry allocations:      116970
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    51280
          Total APNIC prefixes after maximum aggregation:               20366
          APNIC Deaggregation factor:                                    2.52
      Prefixes being announced from the APNIC address blocks:           48238
          Unique aggregates announced from the APNIC address blocks:    21361
      APNIC Region origin ASes present in the Internet Routing Table:    2956
          APNIC Prefixes per ASN:                                       16.32
      APNIC Region origin ASes announcing only one prefix:                791
      APNIC Region transit ASes present in the Internet Routing Table:    449
      Average APNIC Region AS path length visible:                        3.6
          Max APNIC Region AS path length visible:                         17
      Number of APNIC addresses announced to Internet:              296333216
          Equivalent to 17 /8s, 169 /16s and 175 /24s
          Percentage of available APNIC address space announced:         73.4
      
      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, 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:                    106864
          Total ARIN prefixes after maximum aggregation:                62339
          ARIN Deaggregation factor:                                     1.71
      Prefixes being announced from the ARIN address blocks:            78779
          Unique aggregates announced from the ARIN address blocks:     30822
      ARIN Region origin ASes present in the Internet Routing Table:    11600
          ARIN Prefixes per ASN:                                         6.79
      ARIN Region origin ASes announcing only one prefix:                4462
      ARIN Region transit ASes present in the Internet Routing Table:    1055
      Average ARIN Region AS path length visible:                         3.4
          Max ARIN Region AS path length visible:                          21
      Number of ARIN addresses announced to Internet:               334613120
          Equivalent to 19 /8s, 241 /16s and 202 /24s
          Percentage of available ARIN address space announced:          73.9
      
      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:                     46341
          Total RIPE prefixes after maximum aggregation:                30274
          RIPE Deaggregation factor:                                     1.53
      Prefixes being announced from the RIPE address blocks:            42871
          Unique aggregates announced from the RIPE address blocks:     28438
      RIPE Region origin ASes present in the Internet Routing Table:     9708
          RIPE Prefixes per ASN:                                         4.42
      RIPE Region origin ASes announcing only one prefix:                5135
      RIPE Region transit ASes present in the Internet Routing Table:    1557
      Average RIPE Region AS path length visible:                         4.0
          Max RIPE Region AS path length visible:                          22
      Number of RIPE addresses announced to Internet:               310116352
          Equivalent to 18 /8s, 124 /16s and 0 /24s
          Percentage of available RIPE address space announced:          77.0
      
      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
                             40960-44031
      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:                   15435
          Total LACNIC prefixes after maximum aggregation:               4150
          LACNIC Deaggregation factor:                                   3.72
      Prefixes being announced from the LACNIC address blocks:          13551
          Unique aggregates announced from the LACNIC address blocks:    7305
      LACNIC Region origin ASes present in the Internet Routing Table:    798
          LACNIC Prefixes per ASN:                                      16.98
      LACNIC Region origin ASes announcing only one prefix:               256
      LACNIC Region transit ASes present in the Internet Routing Table:   143
      Average LACNIC Region AS path length visible:                       4.2
          Max LACNIC Region AS path length visible:                        18
      Number of LACNIC addresses announced to Internet:              39014144
          Equivalent to 2 /8s, 83 /16s and 79 /24s
          Percentage of available LACNIC address space announced:        58.1
      
      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:                   2597
          Total AfriNIC prefixes after maximum aggregation:              1002
          AfriNIC Deaggregation factor:                                  2.59
      Prefixes being announced from the AfriNIC address blocks:          1974
          Unique aggregates announced from the AfriNIC address blocks:   1180
      AfriNIC Region origin ASes present in the Internet Routing Table:   189
          AfriNIC Prefixes per ASN:                                     10.44
      AfriNIC Region origin ASes announcing only one prefix:               54
      AfriNIC Region transit ASes present in the Internet Routing Table:   37
      Average AfriNIC Region AS path length visible:                      3.8
          Max AfriNIC Region AS path length visible:                       14
      Number of AfriNIC addresses announced to Internet:              6123264
          Equivalent to 0 /8s, 93 /16s and 111 /24s
          Percentage of available AfriNIC address space announced:       18.2
      
      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       9975         279   CHINANET-BACKBONE
       4755     1225        382          72   Videsh Sanchar Nigam Ltd. Aut
       9583     1106         79         386   Sify Limited
       9498      984        469          68   BHARTI BT INTERNET LTD.
       4766      786       4943         312   Korea Telecom (KIX)
      23577      779         35         706   Korea Telecom (ATM-MPLS)
      17488      698         45          39   Hathway IP Over Cable Interne
       7545      628        142          78   TPG Internet Pty Ltd
      18101      554        117          35   Reliance Infocom Ltd Internet
       1221      551       1954         425   Telstra Pty Ltd
       4668      507         68          10   LG-EDS Systems Inc.
      17676      504      10935          65   Softbank BB Corp.
       9443      467        121          77   Primus Telecommunications
       4812      463        837          77   China Telecom (Shanghai)
       7474      410        218         269   SingTel Optus Pty Ltd
       4802      409         86         148   Wantree Development
       9829      362        258          15   BSNL National Internet Backbo
       2907      360       1700         302   SINET Japan
      17557      357         41         170   Pakistan Telecom
      17974      343        129          12   PT TELEKOMUNIKASI INDONESIA
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       7018     1501       6144         992   AT&T WorldNet Services
       4323     1274       1033         367   Time Warner Telecom
       2386     1153        597         760   AT&T Data Communications Serv
       6478     1078        354         179   AT&T Worldnet Services 
      11492     1073        104          24   Cable One 
       6197     1041        707         509   BellSouth Network Solutions, 
      18566     1010        288           9   Covad Communications 
        701      957       6614         733   UUNET Technologies, Inc. 
        174      955       6777         866   Cogent Communications
       1239      807       2731         573   Sprint 
      20115      807        725         429   Charter Communications 
       7011      804        228         481   Citizens Utilities 
      19262      775       2694         207   Verizon Global Networks 
        209      740       3836         581   Qwest 
      22773      721       1892          44   Cox Communications, Inc.
       7029      604        488          80   Alltel Information Services, 
       5668      600        160          17   CenturyTel Internet Holdings,
       7385      598        166         465   Linkport Communications 
        852      589       1090         371   Telus Advanced Communications
        721      568      21659         266   DLA Systems Automation Center
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        702      519       1939         410   UUNET - Commercial IP service
       2119      509        918         381   Telenor Internet Access
      24863      345         47          32   LINKdotNET AS number
       3301      310       1455         289   TeliaNet Sweden
       3320      303       4994         253   Deutsche Telekom AG
       6746      279        128         255   Dynamic Network Technologies,
        680      260       2044         251   DFN-IP service G-WiN
       8220      251        460         242   COLT Telecommunications
       3215      246       2280          94   France Telecom Transpac
       8708      237        416         230   Romania Data Systems S.A.
       5089      221       1658          53   NTL Group Limited
       3269      216       2647          74   TELECOM ITALIA
       3352      211       1863          34   Ibernet, Internet Access Netw
       9121      210       1441          24   TTnet Autonomous System
       8551      207        197          27   Bezeq International
       3246      200        334         190   Song Networks
       9116      198        136          25   Goldenlines main autonomous s
       1257      196       1196         174   SWIPnet Swedish IP Network
      12479      185        578           6   Uni2 Autonomous System
      30890      183         15          90   SC Kappa Invexim SRL
      
      LACNIC Region per AS prefix count summary
      -----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       8151     1325       1855         209   UniNet S.A. de C.V. 
      11830      483        299          19   Instituto Costarricense de El
      11172      367        116          63   Servicios Alestra S.A de C.V 
      16814      361         22           8   NSS, S.A. 
      22047      317        238          12   VTR PUNTO NET S.A. 
       7303      288        143          29   Telecom Argentina Stet-France
       6471      268         74          32   ENTEL CHILE S.A. 
      14117      244         17          14   Telefonica del Sur S.A. 
      11556      229        128           3   Cable-Wireless Panama 
       6147      224        168          25   Telefonica Del Peru 
       6503      213        188          84   AVANTEL, S.A. 
      20299      195         23          12   NEWCOM AMERICAS 
      10620      187         53          25   TVCABLE BOGOTA 
      10481      181         72           8   Prima S.A. 
      14522      167         27           8   SatNet S.A. 
       7910      157         11          31   ANDINET ON LINE 
      23216      157         19          42   RAMtelecom Telecomunicaciones
      19429      155         95          44   E.T.B. 
      21826      155         27          59   INTERCABLE 
       7738      144        474          22   Telecomunicacoes da Bahia S.A
      
      AfriNIC Region per AS prefix count summary
      ------------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       3741      277        866         219   The Internet Solution 
       8452      229        188           7   TEDATA
       6713      143        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      120          8           9   EEPAD TISP TELECOM & INTERNET
      24835       85         48           6   RAYA Telecom - Egypt
       2905       77        174          73   The Internetworking Company o
       2561       61          6           2   Egyptian Universities Network
      15706       56         12           4   Sudatel Internet Exchange Aut
      23889       49         16          13   MAURITIUS TELECOM
       5713       44        294          34   Telkom SA Ltd 
      33774       42         13          23   AS Number for Telecom Algeria
      16637       37         21          29   Johnnic e-Ventures 
       8524       32          2           8   AUCEGYPT Autonomous System
      33776       31          2           6   Starcomms Nigeria Limited
      21280       27          4           4   Swift Global Kenya Ltd.Is an 
      33766       26          2           1   Nyala Communications Pty Ltd 
      12455       25          6           3   Jambonet Autonomous system
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
       4755      1225        1153      Videsh Sanchar Nigam Ltd. Aut
       8151      1325        1116      UniNet S.A. de C.V. 
      11492      1073        1049      Cable One 
       4134      1289        1010      CHINANET-BACKBONE
      18566      1010        1001      Covad Communications 
       9498       984         916      BHARTI BT INTERNET LTD.
       4323      1274         907      Time Warner Telecom
       6478      1078         899      AT&T Worldnet Services 
       9583      1106         720      Sify Limited
      22773       721         677      Cox Communications, Inc.
      17488       698         659      Hathway IP Over Cable Interne
       5668       600         583      CenturyTel Internet Holdings,
      19262       775         568      Verizon Global Networks 
       7545       628         550      TPG Internet Pty Ltd
       6197      1041         532      BellSouth Network Solutions, 
       7029       604         524      Alltel Information Services, 
      18101       554         519      Reliance Infocom Ltd Internet
      19916       568         517      OLM LLC 
      15270       543         508      PaeTec.net -a division of Pae
        855       568         497      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 
      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       /10:14      /11:35      /12:123     
      /13:238     /14:452     /15:873     /16:9430    /17:3979    /18:6386    
      /19:13513   /20:15516   /21:14079   /22:18333   /23:19506   /24:117823  
      /25:780     /26:839     /27:478     /28:68      /29:9       /30:13      
      /31:0       /32:12      
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       6478     1068          1078      AT&T Worldnet Services 
      11492     1064          1073      Cable One 
      18566      992          1010      Covad Communications 
       9583      944          1106      Sify Limited
       2386      850          1153      AT&T Data Communications Serv
       7018      809          1501      AT&T WorldNet Services
       6197      795          1041      BellSouth Network Solutions, 
      23577      765           779      Korea Telecom (ATM-MPLS)
       7011      705           804      Citizens Utilities 
       8151      704          1325      UniNet S.A. de C.V. 
       9498      654           984      BHARTI BT INTERNET LTD.
       4755      623          1225      Videsh Sanchar Nigam Ltd. Aut
       4766      593           786      Korea Telecom (KIX)
      19916      563           568      OLM LLC 
       4323      522          1274      Time Warner Telecom
      17488      519           698      Hathway IP Over Cable Interne
      15270      510           543      PaeTec.net -a division of Pae
       4668      497           507      LG-EDS Systems Inc.
      18101      470           554      Reliance Infocom Ltd Internet
        855      466           568      Canadian Research Network 
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:9         7:1         8:74        9:1        12:1804     15:19     
        16:3        17:3        18:8        20:38       24:948      25:1      
        32:52       33:2        38:318      40:61       41:150      44:2      
        47:5        52:4        55:3        56:3        57:24       58:410    
        59:397      60:302      61:966      62:897      63:1974     64:3113   
        65:2359     66:3297     67:811      68:634      69:1873     70:521    
        71:107      72:1326     73:1        74:482      75:264      76:75     
        77:226      78:2        80:821      81:818      82:645      83:413    
        84:410      85:804      86:341      87:449      88:275      89:874    
        90:7        91:323      94:1        97:6        98:3       116:97     
       121:156     122:534     123:107     124:816     125:943     128:283    
       129:224     130:130     131:366     132:52      133:9       134:192    
       135:38      136:185     137:80      138:140     139:70      140:478    
       141:171     142:370     143:233     144:293     145:43      146:312    
       147:118     148:398     149:143     150:114     151:159     152:92     
       153:123     154:4       155:254     156:152     157:185     158:158    
       159:157     160:107     161:91      162:233     163:185     164:451    
       165:403     166:240     167:284     168:502     169:120     170:402    
       171:16      172:1       189:550     190:638     192:5771    193:3869   
       194:3143    195:2239    196:937     198:3749    199:3285    200:4837   
       201:1050    202:7326    203:7523    204:3972    205:2034    206:2362   
       207:2857    208:2705    209:3578    210:2470    211:967     212:1321   
       213:1469    214:408     215:40      216:4036    217:1158    218:352    
       219:381     220:958     221:401     222:263    
      
      End of report