[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, 5 May 2007 04:03:15 +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 05 May, 2007
      
      Report Website: http://thyme.apnic.net
      This report:    http://thyme.apnic.net/ap-data/2007/05/05/0400
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              219628
          Prefixes after maximum aggregation:                          116935
          Deaggregation factor:                                          1.88
          Unique aggregates announced to Internet:                     106618
      Total ASes present in the Internet Routing Table:                 25093
          Prefixes per ASN:                                              8.75
      Origin-only ASes present in the Internet Routing Table:           21855
      Origin ASes announcing only one prefix:                           10575
      Transit ASes present in the Internet Routing Table:                3238
      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:                                      21
          Max AS path prepend of ASN (20858)                               18
      Prefixes from unregistered ASNs in the Routing Table:                 6
          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:                   1715790016
          Equivalent to 102 /8s, 68 /16s and 224 /24s
          Percentage of available address space announced:               46.3
          Percentage of allocated address space announced:               62.8
          Percentage of available address space allocated:               73.7
      Total number of prefixes smaller than registry allocations:      114921
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    50596
          Total APNIC prefixes after maximum aggregation:               20195
          APNIC Deaggregation factor:                                    2.51
      Prefixes being announced from the APNIC address blocks:           47584
          Unique aggregates announced from the APNIC address blocks:    21230
      APNIC Region origin ASes present in the Internet Routing Table:    2933
          APNIC Prefixes per ASN:                                       16.22
      APNIC Region origin ASes announcing only one prefix:                788
      APNIC Region transit ASes present in the Internet Routing Table:    440
      Average APNIC Region AS path length visible:                        3.5
          Max APNIC Region AS path length visible:                         16
      Number of APNIC addresses announced to Internet:              292731328
          Equivalent to 17 /8s, 114 /16s and 185 /24s
          Percentage of available APNIC address space announced:         72.5
      
      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:                    106199
          Total ARIN prefixes after maximum aggregation:                61978
          ARIN Deaggregation factor:                                     1.71
      Prefixes being announced from the ARIN address blocks:            78168
          Unique aggregates announced from the ARIN address blocks:     30453
      ARIN Region origin ASes present in the Internet Routing Table:    11538
          ARIN Prefixes per ASN:                                         6.77
      ARIN Region origin ASes announcing only one prefix:                4425
      ARIN Region transit ASes present in the Internet Routing Table:    1056
      Average ARIN Region AS path length visible:                         3.4
          Max ARIN Region AS path length visible:                          21
      Number of ARIN addresses announced to Internet:               331984768
          Equivalent to 19 /8s, 201 /16s and 175 /24s
          Percentage of available ARIN address space announced:          73.3
      
      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:                     45303
          Total RIPE prefixes after maximum aggregation:                29640
          RIPE Deaggregation factor:                                     1.53
      Prefixes being announced from the RIPE address blocks:            41854
          Unique aggregates announced from the RIPE address blocks:     27995
      RIPE Region origin ASes present in the Internet Routing Table:     9570
          RIPE Prefixes per ASN:                                         4.37
      RIPE Region origin ASes announcing only one prefix:                5051
      RIPE Region transit ASes present in the Internet Routing Table:    1534
      Average RIPE Region AS path length visible:                         4.0
          Max RIPE Region AS path length visible:                          20
      Number of RIPE addresses announced to Internet:               304882816
          Equivalent to 18 /8s, 44 /16s and 36 /24s
          Percentage of available RIPE address space announced:          75.7
      
      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:                   14941
          Total LACNIC prefixes after maximum aggregation:               4105
          LACNIC Deaggregation factor:                                   3.64
      Prefixes being announced from the LACNIC address blocks:          13030
          Unique aggregates announced from the LACNIC address blocks:    7169
      LACNIC Region origin ASes present in the Internet Routing Table:    785
          LACNIC Prefixes per ASN:                                      16.60
      LACNIC Region origin ASes announcing only one prefix:               254
      LACNIC Region transit ASes present in the Internet Routing Table:   140
      Average LACNIC Region AS path length visible:                       4.2
          Max LACNIC Region AS path length visible:                        17
      Number of LACNIC addresses announced to Internet:              38440704
          Equivalent to 2 /8s, 74 /16s and 143 /24s
          Percentage of available LACNIC address space announced:        57.3
      
      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:                   2579
          Total AfriNIC prefixes after maximum aggregation:              1007
          AfriNIC Deaggregation factor:                                  2.56
      Prefixes being announced from the AfriNIC address blocks:          1959
          Unique aggregates announced from the AfriNIC address blocks:   1193
      AfriNIC Region origin ASes present in the Internet Routing Table:   189
          AfriNIC Prefixes per ASN:                                     10.37
      AfriNIC Region origin ASes announcing only one prefix:               57
      AfriNIC Region transit ASes present in the Internet Routing Table:   37
      Average AfriNIC Region AS path length visible:                      3.7
          Max AfriNIC Region AS path length visible:                       15
      Number of AfriNIC addresses announced to Internet:              6070016
          Equivalent to 0 /8s, 92 /16s and 159 /24s
          Percentage of available AfriNIC address space announced:       18.1
      
      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     1282       9603         274   CHINANET-BACKBONE
       4755     1205        383          72   Videsh Sanchar Nigam Ltd. Aut
       9583     1108         79         381   Sify Limited
       9498      974        469          73   BHARTI BT INTERNET LTD.
       4766      784       4943         312   Korea Telecom (KIX)
      23577      778         35         706   Korea Telecom (ATM-MPLS)
      17488      672         44          34   Hathway IP Over Cable Interne
       7545      627        142          80   TPG Internet Pty Ltd
       1221      543       1954         421   Telstra Pty Ltd
      18101      534        116          27   Reliance Infocom Ltd Internet
       4668      507         68          10   LG-EDS Systems Inc.
      17676      504      10935          65   Softbank BB Corp.
       4812      465        799          75   China Telecom (Shanghai)
       9443      453        115          74   Primus Telecommunications
       7474      411        217         268   SingTel Optus Pty Ltd
       4802      359         86         148   Wantree Development
      17557      359         35         170   Pakistan Telecom
       9829      354        273          10   BSNL National Internet Backbo
       4837      346       4725         160   chinanet IDC center beijing n
      17974      344        129          12   PT TELEKOMUNIKASI INDONESIA
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       7018     1495       6134         986   AT&T WorldNet Services
       4323     1263       1023         361   Time Warner Telecom
       2386     1136        580         754   AT&T Data Communications Serv
       6478     1091        337         133   AT&T Worldnet Services 
      11492     1049        103          20   Cable One 
       6197     1034        688         503   BellSouth Network Solutions, 
      18566     1001        288           9   Covad Communications 
        174      968       6793         877   Cogent Communications
        701      958       6660         731   UUNET Technologies, Inc. 
      20115      824        738         431   Charter Communications 
       1239      819       2717         580   Sprint 
       7011      790        226         471   Citizens Utilities 
      19262      769       2596         208   Verizon Global Networks 
        209      731       3862         584   Qwest 
      22773      710       1872          42   Cox Communications, Inc.
        721      601      21739         270   DLA Systems Automation Center
       5668      598        160          17   CenturyTel Internet Holdings,
        852      589       1096         371   Telus Advanced Communications
       7029      582        456          81   Alltel Information Services, 
        855      568        253          71   Canadian Research Network 
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        702      522       1941         416   UUNET - Commercial IP service
      24863      344         47          30   LINKdotNET AS number
       3301      310       1455         290   TeliaNet Sweden
       3320      302       4993         250   Deutsche Telekom AG
       6746      275        128         252   Dynamic Network Technologies,
       8220      259        461         250   COLT Telecommunications
        680      257       2044         250   DFN-IP service G-WiN
       3215      240       2256          92   France Telecom Transpac
       8708      236        287         229   Romania Data Systems S.A.
       3352      224       1799          33   Ibernet, Internet Access Netw
       3269      214       2583          73   TELECOM ITALIA
       3246      208        340         198   Song Networks
       8551      206        196          30   Bezeq International
      30890      205         17          95   SC Kappa Invexim SRL
      20858      196         34           4   EgyNet
       1257      190       1180         168   SWIPnet Swedish IP Network
       9116      189        134          24   Goldenlines main autonomous s
       3300      185        171          90   AUCS Communications Services 
      12479      185        578           6   Uni2 Autonomous System
        786      177       1795         177   The JANET IP Service
      
      LACNIC Region per AS prefix count summary
      -----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       8151     1179       1869         210   UniNet S.A. de C.V. 
      11830      483        299          19   Instituto Costarricense de El
      11172      364        116          63   Servicios Alestra S.A de C.V 
      16814      362         22           8   NSS, S.A. 
      22047      310        238          12   VTR PUNTO NET S.A. 
       7303      273        143          28   Telecom Argentina Stet-France
       6471      259         74          31   ENTEL CHILE S.A. 
      14117      242         17          14   Telefonica del Sur S.A. 
      11556      235        128           3   Cable-Wireless Panama 
       6147      221        166          25   Telefonica Del Peru 
       6503      215        172          86   AVANTEL, S.A. 
      20299      192         23          14   NEWCOM AMERICAS 
      10620      185         53          23   TVCABLE BOGOTA 
      10481      181         72           8   Prima S.A. 
      23216      157         19          42   RAMtelecom Telecomunicaciones
      14522      155         25           7   SatNet S.A. 
      21826      155         27          59   INTERCABLE 
       7910      154         11          29   ANDINET ON LINE 
      19429      151         93          41   E.T.B. 
      19169      143          9          26   Telconet 
      
      AfriNIC Region per AS prefix count summary
      ------------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       3741      291        868         232   The Internet Solution 
       8452      228        188           7   TEDATA
       6713      143        135          11   Itissalat Al-MAGHRIB
       2018      137        309         112   Tertiary Education Network 
      15475      129         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       81        174          73   The Internetworking Company o
       2561       55          6           2   Egyptian Universities Network
      15706       51         12           4   Sudatel Internet Exchange Aut
      23889       49         16          13   MAURITIUS TELECOM
       5713       44        294          34   Telkom SA Ltd 
      33774       43         13          24   AS Number for Telecom Algeria
      16637       33         21          25   Johnnic e-Ventures 
      33776       31          2           6   Starcomms Nigeria Limited
       8524       30          2           6   AUCEGYPT Autonomous System
      21280       29          4           4   Swift Global Kenya Ltd.Is an 
      33766       29          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      1205        1133      Videsh Sanchar Nigam Ltd. Aut
      11492      1049        1029      Cable One 
       4134      1282        1008      CHINANET-BACKBONE
      18566      1001         992      Covad Communications 
       8151      1179         969      UniNet S.A. de C.V. 
       6478      1091         958      AT&T Worldnet Services 
       4323      1263         902      Time Warner Telecom
       9498       974         901      BHARTI BT INTERNET LTD.
       9583      1108         727      Sify Limited
      22773       710         668      Cox Communications, Inc.
      17488       672         638      Hathway IP Over Cable Interne
       5668       598         581      CenturyTel Internet Holdings,
      19262       769         561      Verizon Global Networks 
       7545       627         547      TPG Internet Pty Ltd
       6197      1034         531      BellSouth Network Solutions, 
      19916       568         517      OLM LLC 
      18101       534         507      Reliance Infocom Ltd Internet
       7029       582         501      Alltel Information Services, 
        855       568         497      Canadian Research Network 
       4668       507         497      LG-EDS Systems Inc.
      
      List of Unregistered Origin ASNs (Global)
      -----------------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
      65332   PRIVATE       63.166.106.192/27     1803       SPRINT 
      65242   PRIVATE       64.222.142.0/24      13674       Bell Atlantic Global
      64858   PRIVATE       84.36.180.0/24       20858       EgyNet
      24410   UNALLOCATED   203.119.28.0/24       4134       CHINANET-BACKBONE
      65534   PRIVATE       203.222.150.0/24      4817       Techex Primary Netbl
      22895   UNALLOCATED   216.174.38.0/24      19094       Adelphia Business So
      
      Advertised Unallocated Addresses
      --------------------------------
      
      Network            Origin AS  Description
      2.0.0.0/24           41856     Flagmanskaya Sluzhba Svyazi
      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        /8:19       /9:9       /10:13      /11:34      /12:123     
      /13:238     /14:450     /15:862     /16:9372    /17:3837    /18:6368    
      /19:13452   /20:15279   /21:13824   /22:17896   /23:19200   /24:116510  
      /25:759     /26:818     /27:491     /28:59      /29:6       /30:1       
      /31:0       /32:8       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       6478     1082          1091      AT&T Worldnet Services 
      11492     1035          1049      Cable One 
      18566      983          1001      Covad Communications 
       9583      946          1108      Sify Limited
       2386      832          1136      AT&T Data Communications Serv
       7018      807          1495      AT&T WorldNet Services
       6197      795          1034      BellSouth Network Solutions, 
      23577      764           778      Korea Telecom (ATM-MPLS)
       7011      693           790      Citizens Utilities 
       9498      638           974      BHARTI BT INTERNET LTD.
       4755      600          1205      Videsh Sanchar Nigam Ltd. Aut
       4766      590           784      Korea Telecom (KIX)
      19916      563           568      OLM LLC 
       8151      557          1179      UniNet S.A. de C.V. 
       4323      522          1263      Time Warner Telecom
       4668      496           507      LG-EDS Systems Inc.
      15270      495           528      PaeTec.net -a division of Pae
      17488      493           672      Hathway IP Over Cable Interne
        855      466           568      Canadian Research Network 
       5668      463           598      CenturyTel Internet Holdings,
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         2:1         4:9         7:1         8:73        9:1        12:1805   
        15:19       16:3        17:3        18:8        20:37       24:927    
        25:1        32:53       38:306      40:60       41:127      44:2      
        47:4        52:4        55:2        56:3        57:26       58:391    
        59:371      60:272      61:930      62:970      63:1972     64:3073   
        65:2363     66:3261     67:806      68:636      69:1829     70:499    
        71:104      72:1314     73:1        74:414      75:258      76:45     
        77:145      80:858      81:805      82:600      83:373      84:435    
        85:750      86:360      87:464      88:264      89:851      90:7      
        91:272      97:6       116:55      121:175     122:520     123:97     
       124:798     125:926     128:278     129:219     130:123     131:347    
       132:52      133:11      134:193     135:39      136:183     137:78     
       138:197     139:65      140:477     141:164     142:371     143:234    
       144:289     145:43      146:323     147:145     148:400     149:142    
       150:116     151:158     152:92      153:120     154:4       155:252    
       156:155     157:185     158:160     159:156     160:105     161:89     
       162:234     163:176     164:452     165:405     166:234     167:279    
       168:491     169:118     170:400     171:16      172:1       189:396    
       190:600     192:5760    193:3806    194:3107    195:2213    196:951    
       198:3753    199:3300    200:4763    201:979     202:7240    203:7464   
       204:3953    205:2088    206:2358    207:2880    208:2665    209:3606   
       210:2478    211:937     212:1312    213:1460    214:408     215:41     
       216:3999    217:1139    218:356     219:356     220:949     221:408    
       222:269    
      
      End of report