[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, 26 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 26 May, 2007
      
      Report Website: http://thyme.apnic.net
      This report:    http://thyme.apnic.net/ap-data/2007/05/26/0400
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              221520
          Prefixes after maximum aggregation:                          117658
          Deaggregation factor:                                          1.88
          Unique aggregates announced to Internet:                     107449
      Total ASes present in the Internet Routing Table:                 25272
          Prefixes per ASN:                                              8.77
      Origin-only ASes present in the Internet Routing Table:           22014
      Origin ASes announcing only one prefix:                           10646
      Transit ASes present in the Internet Routing Table:                3258
      Transit-only ASes present in the Internet Routing Table:             78
      Average AS path length visible in the Internet Routing Table:       3.6
          Max AS path length visible:                                      24
          Max AS path prepend of ASN (16327)                               21
      Prefixes from unregistered ASNs in the Routing Table:                 8
          Unregistered ASNs in the Routing Table:                           9
      Prefixes from 32-bit ASNs in the Routing Table:                       8
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:             11
      Number of addresses announced to Internet:                   1723331808
          Equivalent to 102 /8s, 183 /16s and 244 /24s
          Percentage of available address space announced:               46.5
          Percentage of allocated address space announced:               61.6
          Percentage of available address space allocated:               75.5
      Total number of prefixes smaller than registry allocations:      116211
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    51095
          Total APNIC prefixes after maximum aggregation:               20319
          APNIC Deaggregation factor:                                    2.51
      Prefixes being announced from the APNIC address blocks:           48066
          Unique aggregates announced from the APNIC address blocks:    21288
      APNIC Region origin ASes present in the Internet Routing Table:    2950
          APNIC Prefixes per ASN:                                       16.29
      APNIC Region origin ASes announcing only one prefix:                793
      APNIC Region transit ASes present in the Internet Routing Table:    444
      Average APNIC Region AS path length visible:                        3.6
          Max APNIC Region AS path length visible:                         17
      Number of APNIC addresses announced to Internet:              295454624
          Equivalent to 17 /8s, 156 /16s and 71 /24s
          Percentage of available APNIC address space announced:         73.2
      
      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:                    106768
          Total ARIN prefixes after maximum aggregation:                62251
          ARIN Deaggregation factor:                                     1.72
      Prefixes being announced from the ARIN address blocks:            78724
          Unique aggregates announced from the ARIN address blocks:     30794
      ARIN Region origin ASes present in the Internet Routing Table:    11596
          ARIN Prefixes per ASN:                                         6.79
      ARIN Region origin ASes announcing only one prefix:                4449
      ARIN Region transit ASes present in the Internet Routing Table:    1052
      Average ARIN Region AS path length visible:                         3.4
          Max ARIN Region AS path length visible:                          21
      Number of ARIN addresses announced to Internet:               334135168
          Equivalent to 19 /8s, 234 /16s and 127 /24s
          Percentage of available ARIN address space announced:          73.8
      
      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:                     45757
          Total RIPE prefixes after maximum aggregation:                29916
          RIPE Deaggregation factor:                                     1.53
      Prefixes being announced from the RIPE address blocks:            42261
          Unique aggregates announced from the RIPE address blocks:     28259
      RIPE Region origin ASes present in the Internet Routing Table:     9663
          RIPE Prefixes per ASN:                                         4.37
      RIPE Region origin ASes announcing only one prefix:                5093
      RIPE Region transit ASes present in the Internet Routing Table:    1550
      Average RIPE Region AS path length visible:                         4.0
          Max RIPE Region AS path length visible:                          24
      Number of RIPE addresses announced to Internet:               306906752
          Equivalent to 18 /8s, 75 /16s and 6 /24s
          Percentage of available RIPE address space announced:          76.2
      
      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:                   15305
          Total LACNIC prefixes after maximum aggregation:               4158
          LACNIC Deaggregation factor:                                   3.68
      Prefixes being announced from the LACNIC address blocks:          13391
          Unique aggregates announced from the LACNIC address blocks:    7308
      LACNIC Region origin ASes present in the Internet Routing Table:    796
          LACNIC Prefixes per ASN:                                      16.82
      LACNIC Region origin ASes announcing only one prefix:               255
      LACNIC Region transit ASes present in the Internet Routing Table:   142
      Average LACNIC Region AS path length visible:                       4.2
          Max LACNIC Region AS path length visible:                        18
      Number of LACNIC addresses announced to Internet:              38960896
          Equivalent to 2 /8s, 82 /16s and 127 /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:                   2582
          Total AfriNIC prefixes after maximum aggregation:              1000
          AfriNIC Deaggregation factor:                                  2.58
      Prefixes being announced from the AfriNIC address blocks:          1966
          Unique aggregates announced from the AfriNIC address blocks:   1175
      AfriNIC Region origin ASes present in the Internet Routing Table:   188
          AfriNIC Prefixes per ASN:                                     10.46
      AfriNIC Region origin ASes announcing only one prefix:               56
      AfriNIC Region transit ASes present in the Internet Routing Table:   38
      Average AfriNIC Region AS path length visible:                      3.7
          Max AfriNIC Region AS path length visible:                       15
      Number of AfriNIC addresses announced to Internet:              6127104
          Equivalent to 0 /8s, 93 /16s and 126 /24s
          Percentage of available AfriNIC address space announced:       18.3
      
      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     1286       9974         277   CHINANET-BACKBONE
       4755     1223        383          72   Videsh Sanchar Nigam Ltd. Aut
       9583     1111         79         382   Sify Limited
       9498      981        469          71   BHARTI BT INTERNET LTD.
       4766      783       4943         312   Korea Telecom (KIX)
      23577      777         35         707   Korea Telecom (ATM-MPLS)
      17488      694         45          38   Hathway IP Over Cable Interne
       7545      624        142          77   TPG Internet Pty Ltd
       1221      549       1954         424   Telstra Pty Ltd
      18101      544        116          36   Reliance Infocom Ltd Internet
       4668      505         68          10   LG-EDS Systems Inc.
      17676      504      10935          65   Softbank BB Corp.
       4812      462        821          76   China Telecom (Shanghai)
       9443      455        115          74   Primus Telecommunications
       7474      410        218         269   SingTel Optus Pty Ltd
       4802      409         86         148   Wantree Development
       9829      362        258          14   BSNL National Internet Backbo
      17557      356         37         169   Pakistan Telecom
       2907      353       1700         301   SINET Japan
      17974      349        129          12   PT TELEKOMUNIKASI INDONESIA
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       7018     1502       6160         992   AT&T WorldNet Services
       4323     1270       1032         365   Time Warner Telecom
       2386     1150        596         756   AT&T Data Communications Serv
       6478     1100        343         121   AT&T Worldnet Services 
      11492     1073        104          24   Cable One 
       6197     1040        706         508   BellSouth Network Solutions, 
      18566     1010        288           9   Covad Communications 
        701      958       6598         734   UUNET Technologies, Inc. 
        174      954       6791         863   Cogent Communications
       1239      819       2731         578   Sprint 
      20115      807        724         428   Charter Communications 
       7011      798        227         477   Citizens Utilities 
      19262      776       2662         209   Verizon Global Networks 
        209      743       3852         582   Qwest 
      22773      721       1892          44   Cox Communications, Inc.
       5668      598        160          17   CenturyTel Internet Holdings,
       7385      596        166         463   Linkport Communications 
        852      589       1090         371   Telus Advanced Communications
       7029      587        488          80   Alltel Information Services, 
        721      573      21659         267   DLA Systems Automation Center
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        702      517       1939         410   UUNET - Commercial IP service
      24863      346         47          32   LINKdotNET AS number
       3301      308       1455         288   TeliaNet Sweden
       3320      306       4994         253   Deutsche Telekom AG
       6746      280        128         255   Dynamic Network Technologies,
        680      260       2044         251   DFN-IP service G-WiN
       8220      250        459         241   COLT Telecommunications
       3215      246       2279          94   France Telecom Transpac
       8708      236        288         229   Romania Data Systems S.A.
       5089      219       1658          53   NTL Group Limited
       3269      216       2647          74   TELECOM ITALIA
       8551      206        196          30   Bezeq International
       3246      202        337         192   Song Networks
       3352      200       1799          36   Ibernet, Internet Access Netw
       9116      196        136          25   Goldenlines main autonomous s
       1257      190       1180         168   SWIPnet Swedish IP Network
      12479      185        578           6   Uni2 Autonomous System
      30890      183         15          90   SC Kappa Invexim SRL
       3300      182        171          89   AUCS Communications Services 
        786      176       1795         176   The JANET IP Service
      
      LACNIC Region per AS prefix count summary
      -----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       8151     1302       1870         211   UniNet S.A. de C.V. 
      11830      483        299          19   Instituto Costarricense de El
      11172      366        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      279        143          25   Telecom Argentina Stet-France
       6471      265         74          31   ENTEL CHILE S.A. 
      14117      243         17          14   Telefonica del Sur S.A. 
      11556      229        128           3   Cable-Wireless Panama 
       6147      222        168          25   Telefonica Del Peru 
       6503      217        172          86   AVANTEL, S.A. 
      20299      195         23          12   NEWCOM AMERICAS 
      10620      186         53          24   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
      21826      155         27          59   INTERCABLE 
      19429      154         94          43   E.T.B. 
       7738      143        474          22   Telecomunicacoes da Bahia S.A
      
      AfriNIC Region per AS prefix count summary
      ------------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       3741      284        867         224   The Internet Solution 
       8452      228        188           7   TEDATA
       6713      143        135          11   Itissalat Al-MAGHRIB
       2018      136        301         111   Tertiary Education Network 
      15475      134         84           4   Nile Online
       5536      123          8          15   Internet Egypt Network
      33783      119          8           9   EEPAD TISP TELECOM & INTERNET
      24835       85         48           6   RAYA Telecom - Egypt
       2905       77        174          73   The Internetworking Company o
       2561       61          6           2   Egyptian Universities Network
      15706       56         12           4   Sudatel Internet Exchange Aut
      23889       49         16          13   MAURITIUS TELECOM
       5713       44        294          34   Telkom SA Ltd 
      33774       42         13          23   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       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      1223        1151      Videsh Sanchar Nigam Ltd. Aut
       8151      1302        1091      UniNet S.A. de C.V. 
      11492      1073        1049      Cable One 
       4134      1286        1009      CHINANET-BACKBONE
      18566      1010        1001      Covad Communications 
       6478      1100         979      AT&T Worldnet Services 
       9498       981         910      BHARTI BT INTERNET LTD.
       4323      1270         905      Time Warner Telecom
       9583      1111         729      Sify Limited
      22773       721         677      Cox Communications, Inc.
      17488       694         656      Hathway IP Over Cable Interne
       5668       598         581      CenturyTel Internet Holdings,
      19262       776         567      Verizon Global Networks 
       7545       624         547      TPG Internet Pty Ltd
       6197      1040         532      BellSouth Network Solutions, 
      19916       568         517      OLM LLC 
      18101       544         508      Reliance Infocom Ltd Internet
       7029       587         507      Alltel Information Services, 
      15270       541         506      PaeTec.net -a division of Pae
        855       566         495      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 
      65242   PRIVATE       64.222.142.0/24      13674       Bell Atlantic Global
      64858   PRIVATE       84.36.180.0/24       20858       EgyNet
      36628   UNALLOCATED   192.41.162.0/24       2914       Verio, Inc. 
      36628   UNALLOCATED   199.7.59.0/24         2914       Verio, Inc. 
      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 
      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     
      /13:237     /14:452     /15:870     /16:9413    /17:3894    /18:6371    
      /19:13491   /20:15488   /21:13991   /22:18197   /23:19419   /24:117340  
      /25:764     /26:825     /27:474     /28:66      /29:8       /30:8       
      /31:0       /32:12      
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       6478     1091          1100      AT&T Worldnet Services 
      11492     1059          1073      Cable One 
      18566      992          1010      Covad Communications 
       9583      948          1111      Sify Limited
       2386      845          1150      AT&T Data Communications Serv
       7018      809          1502      AT&T WorldNet Services
       6197      795          1040      BellSouth Network Solutions, 
      23577      763           777      Korea Telecom (ATM-MPLS)
       7011      699           798      Citizens Utilities 
       8151      680          1302      UniNet S.A. de C.V. 
       9498      652           981      BHARTI BT INTERNET LTD.
       4755      620          1223      Videsh Sanchar Nigam Ltd. Aut
       4766      590           783      Korea Telecom (KIX)
      19916      563           568      OLM LLC 
       4323      526          1270      Time Warner Telecom
      17488      515           694      Hathway IP Over Cable Interne
      15270      508           541      PaeTec.net -a division of Pae
       4668      495           505      LG-EDS Systems Inc.
      18101      466           544      Reliance Infocom Ltd Internet
        855      464           566      Canadian Research Network 
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:9         7:1         8:73        9:1        12:1808     15:19     
        16:3        17:3        18:8        20:38       24:946      25:1      
        32:52       33:2        38:311      40:61       41:134      44:2      
        47:5        52:4        55:3        56:3        57:25       58:397    
        59:391      60:296      61:947      62:895      63:1980     64:3126   
        65:2368     66:3279     67:814      68:637      69:1850     70:515    
        71:105      72:1322     73:1        74:481      75:262      76:60     
        77:199      78:2        80:816      81:802      82:581      83:387    
        84:408      85:766      86:342      87:465      88:274      89:863    
        90:7        91:315      97:6       116:73      121:185     122:531    
       123:104     124:817     125:935     128:282     129:223     130:129    
       131:365     132:52      133:9       134:192     135:38      136:186    
       137:80      138:140     139:70      140:477     141:171     142:368    
       143:234     144:293     145:43      146:322     147:118     148:396    
       149:143     150:115     151:159     152:92      153:124     154:4      
       155:254     156:152     157:186     158:158     159:158     160:106    
       161:91      162:234     163:185     164:447     165:404     166:240    
       167:283     168:498     169:120     170:402     171:16      172:1      
       189:524     190:624     192:5772    193:3851    194:3128    195:2221   
       196:939     198:3736    199:3292    200:4784    201:1031    202:7285   
       203:7525    204:3968    205:2061    206:2361    207:2875    208:2697   
       209:3590    210:2467    211:964     212:1319    213:1460    214:413    
       215:40      216:4031    217:1154    218:360     219:379     220:948    
       221:402     222:263    
      
      End of report