[apops] Weekly Routing Table Report

  • To: apops at apops dot net, nanog at nanog dot org, routing-wg at ripe dot net, afnog at afnog dot org, ausnog at ausnog dot net, sanog at sanog dot org
  • Subject: [apops] Weekly Routing Table Report
  • From: Routing Analysis Role Account <cscora at apnic dot net>
  • Date: Sat, 12 May 2007 04:03:27 +1000 (EST)
  • Cc:
  • List-archive: <http://www.apnic.net/mailing-lists/apops>
  • List-help: <mailto:apops-request@apops.net?subject=help>
  • List-id: Asia Pacific Operators Forum <apops.apops.net>
  • List-post: <mailto:apops@apops.net>
  • List-subscribe: <http://mailman.apnic.net/mailman/listinfo/apops>, <mailto:apops-request@apops.net?subject=subscribe>
  • List-unsubscribe: <http://mailman.apnic.net/mailman/listinfo/apops>, <mailto:apops-request@apops.net?subject=unsubscribe>
  • Reply-to: pfs@cisco.com
    • Routing Table as seen from APNIC's router in Japan.
      Daily listings are sent to bgp-stats at lists dot apnic dot net
      
      For historical data, please see http://thyme.apnic.net.
      
      If you have any comments please contact Philip Smith <pfs at cisco dot com>.
      
      Routing Table Report   04:00 +10GMT Sat 12 May, 2007
      
      Report Website: http://thyme.apnic.net
      This report:    http://thyme.apnic.net/ap-data/2007/05/12/0400
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              219961
          Prefixes after maximum aggregation:                          117145
          Deaggregation factor:                                          1.88
          Unique aggregates announced to Internet:                     106816
      Total ASes present in the Internet Routing Table:                 25145
          Prefixes per ASN:                                              8.75
      Origin-only ASes present in the Internet Routing Table:           21900
      Origin ASes announcing only one prefix:                           10598
      Transit ASes present in the Internet Routing Table:                3245
      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:                                      25
          Max AS path prepend of ASN (15941)                               12
      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:             11
      Number of addresses announced to Internet:                   1718002624
          Equivalent to 102 /8s, 102 /16s and 163 /24s
          Percentage of available address space announced:               46.4
          Percentage of allocated address space announced:               62.9
          Percentage of available address space allocated:               73.7
      Total number of prefixes smaller than registry allocations:      115143
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    50626
          Total APNIC prefixes after maximum aggregation:               20239
          APNIC Deaggregation factor:                                    2.50
      Prefixes being announced from the APNIC address blocks:           47626
          Unique aggregates announced from the APNIC address blocks:    21252
      APNIC Region origin ASes present in the Internet Routing Table:    2938
          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:    437
      Average APNIC Region AS path length visible:                        3.5
          Max APNIC Region AS path length visible:                         16
      Number of APNIC addresses announced to Internet:              292851136
          Equivalent to 17 /8s, 116 /16s and 141 /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:                    106230
          Total ARIN prefixes after maximum aggregation:                62027
          ARIN Deaggregation factor:                                     1.71
      Prefixes being announced from the ARIN address blocks:            78316
          Unique aggregates announced from the ARIN address blocks:     30543
      ARIN Region origin ASes present in the Internet Routing Table:    11559
          ARIN Prefixes per ASN:                                         6.78
      ARIN Region origin ASes announcing only one prefix:                4431
      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:               332297344
          Equivalent to 19 /8s, 206 /16s and 116 /24s
          Percentage of available ARIN address space announced:          73.4
      
      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:                     45499
          Total RIPE prefixes after maximum aggregation:                29737
          RIPE Deaggregation factor:                                     1.53
      Prefixes being announced from the RIPE address blocks:            42028
          Unique aggregates announced from the RIPE address blocks:     28098
      RIPE Region origin ASes present in the Internet Routing Table:     9594
          RIPE Prefixes per ASN:                                         4.38
      RIPE Region origin ASes announcing only one prefix:                5070
      RIPE Region transit ASes present in the Internet Routing Table:    1548
      Average RIPE Region AS path length visible:                         4.0
          Max RIPE Region AS path length visible:                          22
      Number of RIPE addresses announced to Internet:               305989504
          Equivalent to 18 /8s, 61 /16s and 7 /24s
          Percentage of available RIPE address space announced:          76.0
      
      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:                   15036
          Total LACNIC prefixes after maximum aggregation:               4117
          LACNIC Deaggregation factor:                                   3.65
      Prefixes being announced from the LACNIC address blocks:          13136
          Unique aggregates announced from the LACNIC address blocks:    7191
      LACNIC Region origin ASes present in the Internet Routing Table:    786
          LACNIC Prefixes per ASN:                                      16.71
      LACNIC Region origin ASes announcing only one prefix:               252
      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:                        25
      Number of LACNIC addresses announced to Internet:              38730752
          Equivalent to 2 /8s, 78 /16s and 252 /24s
          Percentage of available LACNIC address space announced:        57.7
      
      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:                   2560
          Total AfriNIC prefixes after maximum aggregation:              1015
          AfriNIC Deaggregation factor:                                  2.52
      Prefixes being announced from the AfriNIC address blocks:          1927
          Unique aggregates announced from the AfriNIC address blocks:   1188
      AfriNIC Region origin ASes present in the Internet Routing Table:   189
          AfriNIC Prefixes per ASN:                                     10.20
      AfriNIC Region origin ASes announcing only one prefix:               56
      AfriNIC Region transit ASes present in the Internet Routing Table:   35
      Average AfriNIC Region AS path length visible:                      3.7
          Max AfriNIC Region AS path length visible:                       15
      Number of AfriNIC addresses announced to Internet:              6036480
          Equivalent to 0 /8s, 92 /16s and 28 /24s
          Percentage of available AfriNIC address space announced:       18.0
      
      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     1283       9605         275   CHINANET-BACKBONE
       4755     1213        383          72   Videsh Sanchar Nigam Ltd. Aut
       9583     1108         79         382   Sify Limited
       9498      976        469          72   BHARTI BT INTERNET LTD.
       4766      783       4943         312   Korea Telecom (KIX)
      23577      776         35         705   Korea Telecom (ATM-MPLS)
      17488      676         44          35   Hathway IP Over Cable Interne
       7545      628        142          80   TPG Internet Pty Ltd
       1221      543       1954         422   Telstra Pty Ltd
      18101      536        116          28   Reliance Infocom Ltd Internet
       4668      508         68          10   LG-EDS Systems Inc.
      17676      504      10935          65   Softbank BB Corp.
       4812      460        807          76   China Telecom (Shanghai)
       9443      452        115          74   Primus Telecommunications
       7474      413        217         269   SingTel Optus Pty Ltd
       4802      360         86         148   Wantree Development
      17557      356         37         169   Pakistan Telecom
      17974      350        129          12   PT TELEKOMUNIKASI INDONESIA
       4837      344       4709         159   chinanet IDC center beijing n
       4808      331        669         112   CNCGROUP IP network: China169
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       7018     1498       6144         993   AT&T WorldNet Services
       4323     1265       1027         360   Time Warner Telecom
       2386     1125        580         752   AT&T Data Communications Serv
       6478     1094        339         133   AT&T Worldnet Services 
      11492     1047        104          22   Cable One 
       6197     1033        688         503   BellSouth Network Solutions, 
      18566     1006        288           9   Covad Communications 
        174      967       6792         875   Cogent Communications
        701      958       6660         730   UUNET Technologies, Inc. 
      20115      818        742         428   Charter Communications 
       1239      816       2716         577   Sprint 
      19262      774       2620         209   Verizon Global Networks 
       7011      752        217         463   Citizens Utilities 
        209      729       3847         583   Qwest 
      22773      714       1888          43   Cox Communications, Inc.
       5668      601        160          17   CenturyTel Internet Holdings,
        721      597      21755         271   DLA Systems Automation Center
        852      589       1096         370   Telus Advanced Communications
       7029      584        456          79   Alltel Information Services, 
      19916      568         49          51   OLM LLC 
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        702      522       1941         415   UUNET - Commercial IP service
      24863      344         47          30   LINKdotNET AS number
       3301      309       1455         289   TeliaNet Sweden
       3320      303       4993         251   Deutsche Telekom AG
       6746      277        128         254   Dynamic Network Technologies,
        680      257       2044         250   DFN-IP service G-WiN
       8220      253        460         244   COLT Telecommunications
       3215      238       2254          95   France Telecom Transpac
       8708      235        287         228   Romania Data Systems S.A.
       3269      216       2647          74   TELECOM ITALIA
       3246      208        340         198   Song Networks
       8551      206        196          30   Bezeq International
       3352      203       1783          37   Ibernet, Internet Access Netw
      30890      202         17          94   SC Kappa Invexim SRL
      20858      196         34           4   EgyNet
       9116      193        136          25   Goldenlines main autonomous s
       1257      190       1180         168   SWIPnet Swedish IP Network
      12479      184        578           6   Uni2 Autonomous System
       3300      183        171          89   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     1208       1870         213   UniNet S.A. de C.V. 
      11830      483        299          19   Instituto Costarricense de El
      11172      365        116          63   Servicios Alestra S.A de C.V 
      16814      362         22           8   NSS, S.A. 
      22047      318        238          12   VTR PUNTO NET S.A. 
       7303      280        143          29   Telecom Argentina Stet-France
       6471      259         74          31   ENTEL CHILE S.A. 
      14117      243         17          14   Telefonica del Sur S.A. 
      11556      229        128           3   Cable-Wireless Panama 
       6147      221        166          25   Telefonica Del Peru 
       6503      215        172          86   AVANTEL, S.A. 
      20299      190         23          12   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      290        868         232   The Internet Solution 
       8452      229        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       76        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       43         13          24   AS Number for Telecom Algeria
      16637       33         21          25   Johnnic e-Ventures 
       8524       30          2           6   AUCEGYPT Autonomous System
      21280       28          4           4   Swift Global Kenya Ltd.Is an 
      12455       25          6           3   Jambonet Autonomous system
      10798       24          2          15   Standard Bank of South Africa
      33776       24          2           7   Starcomms Nigeria Limited
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
       4755      1213        1141      Videsh Sanchar Nigam Ltd. Aut
      11492      1047        1025      Cable One 
       4134      1283        1008      CHINANET-BACKBONE
      18566      1006         997      Covad Communications 
       8151      1208         995      UniNet S.A. de C.V. 
       6478      1094         961      AT&T Worldnet Services 
       4323      1265         905      Time Warner Telecom
       9498       976         904      BHARTI BT INTERNET LTD.
       9583      1108         726      Sify Limited
      22773       714         671      Cox Communications, Inc.
      17488       676         641      Hathway IP Over Cable Interne
       5668       601         584      CenturyTel Internet Holdings,
      19262       774         565      Verizon Global Networks 
       7545       628         548      TPG Internet Pty Ltd
       6197      1033         530      BellSouth Network Solutions, 
      19916       568         517      OLM LLC 
      18101       536         508      Reliance Infocom Ltd Internet
       7029       584         505      Alltel Information Services, 
       4668       508         498      LG-EDS Systems Inc.
      15270       531         496      PaeTec.net -a division of Pae
      
      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
      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      /11:34      /12:123     
      /13:238     /14:450     /15:866     /16:9378    /17:3849    /18:6400    
      /19:13475   /20:15351   /21:13875   /22:17960   /23:19236   /24:116532  
      /25:775     /26:829     /27:476     /28:59      /29:5       /30:0       
      /31:0       /32:8       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       6478     1085          1094      AT&T Worldnet Services 
      11492     1033          1047      Cable One 
      18566      988          1006      Covad Communications 
       9583      946          1108      Sify Limited
       2386      822          1125      AT&T Data Communications Serv
       7018      808          1498      AT&T WorldNet Services
       6197      794          1033      BellSouth Network Solutions, 
      23577      762           776      Korea Telecom (ATM-MPLS)
       7011      660           752      Citizens Utilities 
       9498      642           976      BHARTI BT INTERNET LTD.
       4755      608          1213      Videsh Sanchar Nigam Ltd. Aut
       4766      590           783      Korea Telecom (KIX)
       8151      584          1208      UniNet S.A. de C.V. 
      19916      563           568      OLM LLC 
       4323      524          1265      Time Warner Telecom
      15270      498           531      PaeTec.net -a division of Pae
       4668      497           508      LG-EDS Systems Inc.
      17488      497           676      Hathway IP Over Cable Interne
       5668      466           601      CenturyTel Internet Holdings,
        855      464           566      Canadian Research Network 
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:8         7:1         8:73        9:1        12:1798     13:1      
        15:19       16:3        17:3        18:8        20:37       24:944    
        25:1        32:53       38:311      40:60       41:122      44:2      
        47:5        52:4        55:2        56:3        57:26       58:393    
        59:341      60:273      61:939      62:970      63:1971     64:3071   
        65:2359     66:3272     67:801      68:634      69:1828     70:499    
        71:104      72:1327     73:1        74:437      75:259      76:51     
        77:151      80:845      81:802      82:600      83:373      84:435    
        85:767      86:359      87:471      88:270      89:862      90:6      
        91:293      97:6       116:59      121:181     122:526     123:94     
       124:796     125:930     128:281     129:219     130:124     131:364    
       132:52      133:11      134:193     135:39      136:183     137:78     
       138:138     139:66      140:477     141:170     142:371     143:234    
       144:291     145:43      146:324     147:117     148:386     149:144    
       150:115     151:159     152:92      153:120     154:4       155:253    
       156:152     157:187     158:160     159:157     160:105     161:90     
       162:234     163:176     164:452     165:406     166:228     167:281    
       168:495     169:120     170:379     171:16      172:1       189:427    
       190:604     192:5758    193:3809    194:3097    195:2203    196:924    
       198:3742    199:3295    200:4759    201:1005    202:7238    203:7485   
       204:3951    205:2072    206:2361    207:2881    208:2673    209:3582   
       210:2481    211:945     212:1311    213:1458    214:409     215:40     
       216:4010    217:1147    218:355     219:358     220:952     221:408    
       222:264    
      
      End of report