[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, 28 Apr 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 28 Apr, 2007
      
      Report Website: http://thyme.apnic.net
      This report:    http://thyme.apnic.net/ap-data/2007/04/28/0400
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              218834
          Prefixes after maximum aggregation:                          116811
          Deaggregation factor:                                          1.87
          Unique aggregates announced to Internet:                     105229
      Total ASes present in the Internet Routing Table:                 25059
          Prefixes per ASN:                                              8.73
      Origin-only ASes present in the Internet Routing Table:           21826
      Origin ASes announcing only one prefix:                           10560
      Transit ASes present in the Internet Routing Table:                3233
      Transit-only ASes present in the Internet Routing Table:             81
      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:                           9
      Prefixes from 32-bit ASNs in the Routing Table:                       3
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:             12
      Number of addresses announced to Internet:                   1715485440
          Equivalent to 102 /8s, 64 /16s and 59 /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:      114380
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    50420
          Total APNIC prefixes after maximum aggregation:               20184
          APNIC Deaggregation factor:                                    2.50
      Prefixes being announced from the APNIC address blocks:           47450
          Unique aggregates announced from the APNIC address blocks:    21161
      APNIC Region origin ASes present in the Internet Routing Table:    2928
          APNIC Prefixes per ASN:                                       16.21
      APNIC Region origin ASes announcing only one prefix:                789
      APNIC Region transit ASes present in the Internet Routing Table:    438
      Average APNIC Region AS path length visible:                        3.6
          Max APNIC Region AS path length visible:                         15
      Number of APNIC addresses announced to Internet:              292353792
          Equivalent to 17 /8s, 108 /16s and 247 /24s
          Percentage of available APNIC address space announced:         72.4
      
      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:                    106000
          Total ARIN prefixes after maximum aggregation:                61920
          ARIN Deaggregation factor:                                     1.71
      Prefixes being announced from the ARIN address blocks:            78037
          Unique aggregates announced from the ARIN address blocks:     30375
      ARIN Region origin ASes present in the Internet Routing Table:    11529
          ARIN Prefixes per ASN:                                         6.77
      ARIN Region origin ASes announcing only one prefix:                4410
      ARIN Region transit ASes present in the Internet Routing Table:    1049
      Average ARIN Region AS path length visible:                         3.4
          Max ARIN Region AS path length visible:                          21
      Number of ARIN addresses announced to Internet:               330775936
          Equivalent to 19 /8s, 183 /16s and 61 /24s
          Percentage of available ARIN address space announced:          73.0
      
      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:                     45128
          Total RIPE prefixes after maximum aggregation:                29559
          RIPE Deaggregation factor:                                     1.53
      Prefixes being announced from the RIPE address blocks:            41696
          Unique aggregates announced from the RIPE address blocks:     26835
      RIPE Region origin ASes present in the Internet Routing Table:     9547
          RIPE Prefixes per ASN:                                         4.37
      RIPE Region origin ASes announcing only one prefix:                5049
      RIPE Region transit ASes present in the Internet Routing Table:    1539
      Average RIPE Region AS path length visible:                         4.0
          Max RIPE Region AS path length visible:                          20
      Number of RIPE addresses announced to Internet:               305726848
          Equivalent to 18 /8s, 57 /16s and 5 /24s
          Percentage of available RIPE address space announced:          75.9
      
      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:                   14713
          Total LACNIC prefixes after maximum aggregation:               4138
          LACNIC Deaggregation factor:                                   3.56
      Prefixes being announced from the LACNIC address blocks:          12807
          Unique aggregates announced from the LACNIC address blocks:    7113
      LACNIC Region origin ASes present in the Internet Routing Table:    784
          LACNIC Prefixes per ASN:                                      16.34
      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:              38364416
          Equivalent to 2 /8s, 73 /16s and 101 /24s
          Percentage of available LACNIC address space announced:        57.2
      
      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:                   2565
          Total AfriNIC prefixes after maximum aggregation:              1004
          AfriNIC Deaggregation factor:                                  2.55
      Prefixes being announced from the AfriNIC address blocks:          1943
          Unique aggregates announced from the AfriNIC address blocks:   1182
      AfriNIC Region origin ASes present in the Internet Routing Table:   189
          AfriNIC Prefixes per ASN:                                     10.28
      AfriNIC Region origin ASes announcing only one prefix:               58
      AfriNIC Region transit ASes present in the Internet Routing Table:   39
      Average AfriNIC Region AS path length visible:                      3.7
          Max AfriNIC Region AS path length visible:                       15
      Number of AfriNIC addresses announced to Internet:              6062592
          Equivalent to 0 /8s, 92 /16s and 130 /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     1278       9505         271   CHINANET-BACKBONE
       4755     1202        383          72   Videsh Sanchar Nigam Ltd. Aut
       9583     1099         79         381   Sify Limited
       9498      973        469          74   BHARTI BT INTERNET LTD.
       4766      782       4943         312   Korea Telecom (KIX)
      23577      779         35         708   Korea Telecom (ATM-MPLS)
      17488      666         43          36   Hathway IP Over Cable Interne
       7545      627        142          81   TPG Internet Pty Ltd
       1221      545       1954         424   Telstra Pty Ltd
      18101      530        116          27   Reliance Infocom Ltd Internet
       4668      507         68          10   LG-EDS Systems Inc.
      17676      504      10935          65   Softbank BB Corp.
       4812      464        811          75   China Telecom (Shanghai)
       9443      458        115          74   Primus Telecommunications
       7474      406        217         270   SingTel Optus Pty Ltd
      17557      359         35         171   Pakistan Telecom
       4802      358         86         147   Wantree Development
       9829      358        274          14   BSNL National Internet Backbo
      17974      346        129          12   PT TELEKOMUNIKASI INDONESIA
       4837      344       4724         158   chinanet IDC center beijing n
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       7018     1490       6126         990   AT&T WorldNet Services
       4323     1266       1022         360   Time Warner Telecom
       2386     1137        566         757   AT&T Data Communications Serv
       6478     1089        336         149   AT&T Worldnet Services 
      11492     1045        103          21   Cable One 
       6197     1035        687         502   BellSouth Network Solutions, 
      18566     1001        288           9   Covad Communications 
        174      957       6793         870   Cogent Communications
        701      937       6660         730   UUNET Technologies, Inc. 
      20115      822        734         426   Charter Communications 
       1239      820       2717         577   Sprint 
       7011      787        226         469   Citizens Utilities 
        209      728       3749         583   Qwest 
      19262      725       2587         174   Verizon Global Networks 
      22773      707       1871          40   Cox Communications, Inc.
        721      616      21756         273   DLA Systems Automation Center
       5668      595        160          17   CenturyTel Internet Holdings,
        852      594       1097         376   Telus Advanced Communications
       7029      576        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      520       1941         414   UUNET - Commercial IP service
      24863      343         47          31   LINKdotNET AS number
       3301      309       1455         289   TeliaNet Sweden
       3320      302       4993         250   Deutsche Telekom AG
       6746      275        127         252   Dynamic Network Technologies,
       8220      260        461         251   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.
       3269      214       2583          72   TELECOM ITALIA
       3246      206        339         196   Song Networks
       8551      206        196          30   Bezeq International
       3352      201       1799          33   Ibernet, Internet Access Netw
      20858      196         34           4   EgyNet
       1257      190       1180         168   SWIPnet Swedish IP Network
      30890      189         15          94   SC Kappa Invexim SRL
       9116      188        134          24   Goldenlines main autonomous s
      12479      185        578           6   Uni2 Autonomous System
       3300      183        171          88   AUCS Communications Services 
        786      177       1795         177   The JANET IP Service
      
      LACNIC Region per AS prefix count summary
      -----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       8151     1098       1857         211   UniNet S.A. de C.V. 
      11830      483        299          19   Instituto Costarricense de El
      11172      364        116          64   Servicios Alestra S.A de C.V 
      16814      362         22           8   NSS, S.A. 
      22047      311        238          12   VTR PUNTO NET S.A. 
       7303      273        143          30   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      220        164          24   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
      21826      155         27          59   INTERCABLE 
       7910      154         11          29   ANDINET ON LINE 
      19429      148         92          39   E.T.B. 
      14522      146         22           5   SatNet S.A. 
      19169      142          9          27   Telconet 
      
      AfriNIC Region per AS prefix count summary
      ------------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       3741      291        868         232   The Internet Solution 
       8452      225        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      116          7           9   EEPAD TISP TELECOM & INTERNET
      24835       85         48           6   RAYA Telecom - Egypt
       2905       76        174          68   The Internetworking Company o
       2561       61          6           2   Egyptian Universities Network
      15706       50         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 
       8524       30          2           6   AUCEGYPT Autonomous System
      33776       30          2           7   Starcomms Nigeria Limited
      33766       29          2           1   Nyala Communications Pty Ltd 
      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      1202        1130      Videsh Sanchar Nigam Ltd. Aut
      11492      1045        1024      Cable One 
       4134      1278        1007      CHINANET-BACKBONE
      18566      1001         992      Covad Communications 
       6478      1089         940      AT&T Worldnet Services 
       4323      1266         906      Time Warner Telecom
       9498       973         899      BHARTI BT INTERNET LTD.
       8151      1098         887      UniNet S.A. de C.V. 
       9583      1099         718      Sify Limited
      22773       707         667      Cox Communications, Inc.
      17488       666         630      Hathway IP Over Cable Interne
       5668       595         578      CenturyTel Internet Holdings,
      19262       725         551      Verizon Global Networks 
       7545       627         546      TPG Internet Pty Ltd
       6197      1035         533      BellSouth Network Solutions, 
      19916       568         517      OLM LLC 
      18101       530         503      Reliance Infocom Ltd Internet
        855       568         497      Canadian Research Network 
       4668       507         497      LG-EDS Systems Inc.
       7029       576         495      Alltel Information Services, 
      
      List of Unregistered Origin ASNs (Global)
      -----------------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
      65332   PRIVATE       63.166.106.192/27     1803       SPRINT 
      64858   PRIVATE       84.36.180.0/24       20858       EgyNet
      64982   PRIVATE       89.207.224.0/24      36385       Google Incorporated 
      24410   UNALLOCATED   203.119.28.0/24       4134       CHINANET-BACKBONE
      64512   PRIVATE       208.103.63.0/24      32703       Indiana Fiber Networ
      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        /8:20       /9:9       /10:13      /11:34      /12:122     
      /13:238     /14:448     /15:859     /16:9374    /17:3832    /18:6334    
      /19:13423   /20:15231   /21:13770   /22:17794   /23:19182   /24:116001  
      /25:768     /26:823     /27:483     /28:61      /29:6       /30:1       
      /31:0       /32:8       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       6478     1080          1089      AT&T Worldnet Services 
      11492     1031          1045      Cable One 
      18566      983          1001      Covad Communications 
       9583      937          1099      Sify Limited
       2386      832          1137      AT&T Data Communications Serv
       7018      807          1490      AT&T WorldNet Services
       6197      796          1035      BellSouth Network Solutions, 
      23577      765           779      Korea Telecom (ATM-MPLS)
       7011      690           787      Citizens Utilities 
       9498      636           973      BHARTI BT INTERNET LTD.
       4755      596          1202      Videsh Sanchar Nigam Ltd. Aut
       4766      588           782      Korea Telecom (KIX)
      19916      563           568      OLM LLC 
       4323      529          1266      Time Warner Telecom
       4668      496           507      LG-EDS Systems Inc.
      15270      494           527      PaeTec.net -a division of Pae
      17488      487           666      Hathway IP Over Cable Interne
       8151      476          1098      UniNet S.A. de C.V. 
        855      466           568      Canadian Research Network 
       5668      460           595      CenturyTel Internet Holdings,
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         2:1         4:9         7:1         8:78        9:1        12:1804   
        15:19       16:3        17:3        18:8        20:37       24:929    
        25:1        32:53       38:299      40:57       41:125      44:2      
        47:4        52:4        55:2        56:3        57:26       58:377    
        59:370      60:268      61:923      62:965      63:1956     64:3097   
        65:2337     66:3245     67:804      68:639      69:1824     70:504    
        71:104      72:1276     73:1        74:406      75:257      76:38     
        77:180      80:861      81:804      82:597      83:372      84:430    
        85:744      86:365      87:463      88:254      89:852      90:24     
        91:269      97:6       116:42      121:176     122:522     123:85     
       124:794     125:932     128:273     129:218     130:121     131:349    
       132:52      133:10      134:171     135:39      136:180     137:77     
       138:194     139:64      140:480     141:168     142:363     143:211    
       144:290     145:43      146:323     147:146     148:398     149:143    
       150:115     151:145     152:92      153:120     154:4       155:253    
       156:154     157:183     158:161     159:155     160:104     161:89     
       162:234     163:146     164:452     165:408     166:234     167:279    
       168:489     169:120     170:399     171:15      172:1       189:312    
       190:591     192:5763    193:3791    194:3086    195:2207    196:945    
       198:3756    199:3295    200:4712    201:957     202:7213    203:7439   
       204:3945    205:2099    206:2366    207:2903    208:2631    209:3620   
       210:2468    211:937     212:1302    213:1457    214:406     215:41     
       216:4012    217:1132    218:353     219:358     220:941     221:396    
       222:270    
      
      End of report