[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 Jul 2007 04:04:42 +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 Jul, 2007
      
      Report Website: http://thyme.apnic.net
      This report:    http://thyme.apnic.net/ap-data/2007/07/28/0400
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              226532
          Prefixes after maximum aggregation:                          119080
          Deaggregation factor:                                          1.90
          Unique aggregates announced to Internet:                     110145
      Total ASes present in the Internet Routing Table:                 25797
          Prefixes per ASN:                                              8.78
      Origin-only ASes present in the Internet Routing Table:           22498
      Origin ASes announcing only one prefix:                           10979
      Transit ASes present in the Internet Routing Table:                3299
      Transit-only ASes present in the Internet Routing Table:             75
      Average AS path length visible in the Internet Routing Table:       3.6
          Max AS path length visible:                                      20
          Max AS path prepend of ASN (35389)                               16
      Prefixes from unregistered ASNs in the Routing Table:                43
          Unregistered ASNs in the Routing Table:                          42
      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:             13
      Number of addresses announced to Internet:                   1741416032
          Equivalent to 103 /8s, 203 /16s and 230 /24s
          Percentage of available address space announced:               47.0
          Percentage of allocated address space announced:               62.3
          Percentage of available address space allocated:               75.5
      Total number of prefixes smaller than registry allocations:      119302
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    53152
          Total APNIC prefixes after maximum aggregation:               20688
          APNIC Deaggregation factor:                                    2.57
      Prefixes being announced from the APNIC address blocks:           50093
          Unique aggregates announced from the APNIC address blocks:    21971
      APNIC Region origin ASes present in the Internet Routing Table:    3018
          APNIC Prefixes per ASN:                                       16.60
      APNIC Region origin ASes announcing only one prefix:                810
      APNIC Region transit ASes present in the Internet Routing Table:    456
      Average APNIC Region AS path length visible:                        3.6
          Max APNIC Region AS path length visible:                         16
      Number of APNIC addresses announced to Internet:              305578144
          Equivalent to 18 /8s, 54 /16s and 192 /24s
          Percentage of available APNIC address space announced:         75.7
      
      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:                    107556
          Total ARIN prefixes after maximum aggregation:                62458
          ARIN Deaggregation factor:                                     1.72
      Prefixes being announced from the ARIN address blocks:            79143
          Unique aggregates announced from the ARIN address blocks:     31408
      ARIN Region origin ASes present in the Internet Routing Table:    11717
          ARIN Prefixes per ASN:                                         6.75
      ARIN Region origin ASes announcing only one prefix:                4536
      ARIN Region transit ASes present in the Internet Routing Table:    1068
      Average ARIN Region AS path length visible:                         3.4
          Max ARIN Region AS path length visible:                          16
      Number of ARIN addresses announced to Internet:               341064192
          Equivalent to 20 /8s, 84 /16s and 58 /24s
          Percentage of available ARIN address space announced:          75.3
      
      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:                     47563
          Total RIPE prefixes after maximum aggregation:                30571
          RIPE Deaggregation factor:                                     1.56
      Prefixes being announced from the RIPE address blocks:            43908
          Unique aggregates announced from the RIPE address blocks:     28983
      RIPE Region origin ASes present in the Internet Routing Table:     9954
          RIPE Prefixes per ASN:                                         4.41
      RIPE Region origin ASes announcing only one prefix:                5300
      RIPE Region transit ASes present in the Internet Routing Table:    1562
      Average RIPE Region AS path length visible:                         4.0
          Max RIPE Region AS path length visible:                          20
      Number of RIPE addresses announced to Internet:               322920832
          Equivalent to 19 /8s, 63 /16s and 97 /24s
          Percentage of available RIPE address space announced:          80.2
      
      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:                   15674
          Total LACNIC prefixes after maximum aggregation:               4318
          LACNIC Deaggregation factor:                                   3.63
      Prefixes being announced from the LACNIC address blocks:          13722
          Unique aggregates announced from the LACNIC address blocks:    7765
      LACNIC Region origin ASes present in the Internet Routing Table:    834
          LACNIC Prefixes per ASN:                                      16.45
      LACNIC Region origin ASes announcing only one prefix:               272
      LACNIC Region transit ASes present in the Internet Routing Table:   140
      Average LACNIC Region AS path length visible:                       4.0
          Max LACNIC Region AS path length visible:                        19
      Number of LACNIC addresses announced to Internet:              40924928
          Equivalent to 2 /8s, 112 /16s and 119 /24s
          Percentage of available LACNIC address space announced:        61.0
      
      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:                   2578
          Total AfriNIC prefixes after maximum aggregation:              1035
          AfriNIC Deaggregation factor:                                  2.49
      Prefixes being announced from the AfriNIC address blocks:          2119
          Unique aggregates announced from the AfriNIC address blocks:   1283
      AfriNIC Region origin ASes present in the Internet Routing Table:   198
          AfriNIC Prefixes per ASN:                                     10.70
      AfriNIC Region origin ASes announcing only one prefix:               61
      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:                       14
      Number of AfriNIC addresses announced to Internet:              6368000
          Equivalent to 0 /8s, 97 /16s and 43 /24s
          Percentage of available AfriNIC address space announced:       19.0
      
      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     1363      10954         288   CHINANET-BACKBONE
       4755     1302        382          71   Videsh Sanchar Nigam Ltd. Aut
       9583     1122         80         400   Sify Limited
       9498     1001        533          70   BHARTI BT INTERNET LTD.
       4766      793       4930         316   Korea Telecom (KIX)
      23577      788         34         685   Korea Telecom (ATM-MPLS)
      17488      734         48          58   Hathway IP Over Cable Interne
       7545      700        150         114   TPG Internet Pty Ltd
      18101      578        117          41   Reliance Infocom Ltd Internet
       1221      546       1951         424   Telstra Pty Ltd
       4812      528        913          95   China Telecom (Shanghai)
       4668      512         68          10   LG-EDS Systems Inc.
      17676      504      10935          65   Softbank BB Corp.
       9443      471        122          77   Primus Telecommunications
       7474      411        218         265   SingTel Optus Pty Ltd
       4802      410        105         150   Wantree Development
       4808      376        670         127   CNCGROUP IP network: China169
       9829      362        258          14   BSNL National Internet Backbo
      17974      362        130          13   PT TELEKOMUNIKASI INDONESIA
       4837      352       4944         164   chinanet IDC center beijing n
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       7018     1466       6073         992   AT&T WorldNet Services
       4323     1322       1021         374   Time Warner Telecom
       2386     1215        633         754   AT&T Data Communications Serv
       6478     1119        319         133   AT&T Worldnet Services 
      11492     1107        108          20   Cable One 
       6197     1025        717         508   BellSouth Network Solutions, 
      18566     1016        288           9   Covad Communications 
        174      966       6778         853   Cogent Communications
        701      939       6562         716   UUNET Technologies, Inc. 
       7011      901        258         545   Citizens Utilities 
       1239      810       2741         582   Sprint 
      20115      803        737         431   Charter Communications 
      19262      765       2761         189   Verizon Global Networks 
      22773      747       2148          49   Cox Communications, Inc.
        209      745       3878         600   Qwest 
       5668      619        169          21   CenturyTel Internet Holdings,
        855      575        254          73   Canadian Research Network 
        852      572       1093         363   Telus Advanced Communications
       6517      569        159          36   Yipes Communications, Inc. 
       7029      568        488          79   Alltel Information Services, 
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       2119      515       1075         138   Telenor Internet Access
        702      503       1922         404   UUNET - Commercial IP service
      24863      361         56          41   LINKdotNET AS number
       9116      321        168          25   Goldenlines main autonomous s
       3301      312       1456         292   TeliaNet Sweden
       3320      309       6034         256   Deutsche Telekom AG
       6746      285        129         261   Dynamic Network Technologies,
       5089      268       1658          53   NTL Group Limited
        680      264       2044         255   DFN-IP service G-WiN
       8220      259        445         242   COLT Telecommunications
       3215      255       2376          96   France Telecom Transpac
       8708      251        420         240   Romania Data Systems S.A.
       3352      224       1864          41   Ibernet, Internet Access Netw
       3269      221       2775          73   TELECOM ITALIA
       8551      215        212          27   Bezeq International
       9121      210       1441          24   TTnet Autonomous System
       3292      194       1379         174   TDC Tele Danmark
       1257      193       1195         171   SWIPnet Swedish IP Network
      12479      190        578           6   Uni2 Autonomous System
       3246      185        253         176   Song Networks
      
      LACNIC Region per AS prefix count summary
      -----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       8151      894       1958         209   UniNet S.A. de C.V. 
      11830      483        299           9   Instituto Costarricense de El
      11172      373        116          63   Servicios Alestra S.A de C.V 
      16814      361         22           8   NSS, S.A. 
      22047      318        246          13   VTR PUNTO NET S.A. 
       6471      312         75          33   ENTEL CHILE S.A. 
       7303      312        149          39   Telecom Argentina Stet-France
      14117      279         19          15   Telefonica del Sur S.A. 
      11556      231        128           4   Cable-Wireless Panama 
       6147      225        172          27   Telefonica Del Peru 
      10620      213         60          18   TVCABLE BOGOTA 
       6503      206        172          85   AVANTEL, S.A. 
      23216      196         16          43   RAMtelecom Telecomunicaciones
      10481      181         72           8   Prima S.A. 
      14522      177         28           7   SatNet S.A. 
       8163      176         11           9   METROTEL REDES S.A. 
       7738      159        506          23   Telecomunicacoes da Bahia S.A
       7910      157         11          29   ANDINET ON LINE 
      20299      157         23          13   NEWCOM AMERICAS 
      21826      157         27          60   INTERCABLE 
      
      AfriNIC Region per AS prefix count summary
      ------------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       3741      282        867         223   The Internet Solution 
       8452      226        188           7   TEDATA
       6713      142        135          11   Itissalat Al-MAGHRIB
       2018      138        301         115   Tertiary Education Network 
       5536      124          8          10   Internet Egypt Network
      33783      124          8          12   EEPAD TISP TELECOM & INTERNET
       2905       75        174          72   The Internetworking Company o
      15475       75         84           4   Nile Online
      24835       66         48           6   RAYA Telecom - Egypt
       2561       62          6           2   Egyptian Universities Network
      15706       56         12           4   Sudatel Internet Exchange Aut
      23889       52         24          15   MAURITIUS TELECOM
       5713       46        294          36   Telkom SA Ltd 
      33774       45         29          24   AS Number for Telecom Algeria
      16637       37         21          29   Johnnic e-Ventures 
      33776       35          2           6   Starcomms Nigeria Limited
       8524       32          2           8   AUCEGYPT Autonomous System
      12455       32          6           3   Jambonet Autonomous system
      21280       29          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      1302        1231      Videsh Sanchar Nigam Ltd. Aut
      11492      1107        1087      Cable One 
       4134      1363        1075      CHINANET-BACKBONE
      18566      1016        1007      Covad Communications 
       6478      1119         986      AT&T Worldnet Services 
       4323      1322         948      Time Warner Telecom
       9498      1001         931      BHARTI BT INTERNET LTD.
       9583      1122         722      Sify Limited
      22773       747         698      Cox Communications, Inc.
       8151       894         685      UniNet S.A. de C.V. 
      17488       734         676      Hathway IP Over Cable Interne
       5668       619         598      CenturyTel Internet Holdings,
       7545       700         586      TPG Internet Pty Ltd
      19262       765         576      Verizon Global Networks 
      18101       578         537      Reliance Infocom Ltd Internet
       6517       569         533      Yipes Communications, Inc. 
      15270       562         525      PaeTec.net -a division of Pae
       6197      1025         517      BellSouth Network Solutions, 
      19916       568         517      OLM LLC 
        855       575         502      Canadian Research Network 
      
      List of Unregistered Origin ASNs (Global)
      -----------------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
      65000   PRIVATE       41.204.180.0/24      36866       Jamii Telecommunicat
      43346   UNALLOCATED   77.87.168.0/21       28906       CJSC "TransTelecom-N
      43087   UNALLOCATED   77.95.88.0/21        12389       JSC Rostelecom
      43185   UNALLOCATED   77.95.208.0/21       12779       ITGATE.Net
      42864   UNALLOCATED   77.242.144.0/20       8928       Interoute Telecommun
      43082   UNALLOCATED   77.246.160.0/20        174       Cogent Communication
      43345   UNALLOCATED   78.40.40.0/24          702       UUNET - Commercial I
      43328   UNALLOCATED   78.40.112.0/21       21448       Crosswired Mancheste
      43391   UNALLOCATED   78.40.224.0/21        9121       TTnet Autonomous Sys
      43203   UNALLOCATED   78.108.152.0/22       2819       KPNQwest Czechia AS
      43314   UNALLOCATED   78.109.128.0/20      21127       JSC Zap-Sib TransTel
      39389   UNALLOCATED   80.67.165.0/24       20766       The main Autonomous 
      43157   UNALLOCATED   83.143.224.0/21        174       Cogent Communication
      24982   UNALLOCATED   85.112.68.0/24       39010       TerraNet sal
      43378   UNALLOCATED   89.45.176.0/20        5606       KPNQwest Romania AS
      43286   UNALLOCATED   91.149.120.0/22       3216       Teleross, Moscow, Ru
      42976   UNALLOCATED   91.194.4.0/24         8551       Bezeq International
      43103   UNALLOCATED   91.194.72.0/23       21219       Datacom Autonomous S
      43290   UNALLOCATED   91.194.198.0/23      20751       max4eu.net InterNet-
      43376   UNALLOCATED   91.194.234.0/23       2914       Verio, Inc. 
      43067   UNALLOCATED   91.196.80.0/22       31305       Kriviy Rih City netw
      43103   UNALLOCATED   91.196.92.0/22       21219       Datacom Autonomous S
      43319   UNALLOCATED   91.197.8.0/22        12452       VSTN AS
      43359   UNALLOCATED   91.197.36.0/22       25441       Irish Broadband Inte
      43164   UNALLOCATED   91.198.0.0/24        16016       VOLJATEL Autonomous 
      43194   UNALLOCATED   91.198.5.0/24         5486       Euronet Digital Comm
      43187   UNALLOCATED   91.198.7.0/24         3340       DataNet Telecommunic
      43212   UNALLOCATED   91.198.19.0/24       21294       SC Idilis S.A.
      38347   UNALLOCATED   116.212.160.0/21      9389       BEIJING SHENZHOU GRE
      38347   UNALLOCATED   116.212.168.0/21      9389       BEIJING SHENZHOU GRE
      42512   UNALLOCATED   193.110.76.0/22      13121       Navigator Online ISP
      43028   UNALLOCATED   193.200.201.0/24     21016       LVRTC Autonomous Sys
      43034   UNALLOCATED   193.200.207.0/24      9119       Softnet
      35396   UNALLOCATED   193.247.0.0/19        6830       UPC Distribution Ser
      43122   UNALLOCATED   194.110.128.0/24      8220       COLT Telecommunicati
      42752   UNALLOCATED   194.110.150.0/24      9121       TTnet Autonomous Sys
      42795   UNALLOCATED   194.110.245.0/24       174       Cogent Communication
      41431   UNALLOCATED   194.246.85.0/24      12843       TelemaxX Autonomous 
      39094   UNALLOCATED   195.66.64.0/24       12578       LATTELEKOM-APOLLO
      65001   PRIVATE       195.250.120.0/23      8534       InfoSky - Informatik
      24410   UNALLOCATED   203.119.28.0/24       4134       CHINANET-BACKBONE
      64516   PRIVATE       209.43.37.0/24        7332       IQuest Internet 
      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 
      95.192.0.0/16        12654     RIPE NCC RIS Project
      95.255.248.0/21      12654     RIPE NCC RIS Project
      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        /8:18       /9:9       /10:15      /11:36      /12:130     
      /13:255     /14:468     /15:901     /16:9563    /17:4026    /18:6518    
      /19:13795   /20:16064   /21:14569   /22:18919   /23:19865   /24:119060  
      /25:749     /26:1004    /27:484     /28:71      /29:5       /30:0       
      /31:0       /32:8       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       6478     1118          1119      AT&T Worldnet Services 
      11492     1098          1107      Cable One 
      18566      998          1016      Covad Communications 
       9583      964          1122      Sify Limited
       2386      908          1215      AT&T Data Communications Serv
       7018      800          1466      AT&T WorldNet Services
       7011      799           901      Citizens Utilities 
       6197      779          1025      BellSouth Network Solutions, 
      23577      779           788      Korea Telecom (ATM-MPLS)
       4755      697          1302      Videsh Sanchar Nigam Ltd. Aut
       9498      671          1001      BHARTI BT INTERNET LTD.
       4766      593           793      Korea Telecom (KIX)
      19916      563           568      OLM LLC 
      17488      557           734      Hathway IP Over Cable Interne
       4323      555          1322      Time Warner Telecom
       6517      535           569      Yipes Communications, Inc. 
      15270      527           562      PaeTec.net -a division of Pae
       4668      502           512      LG-EDS Systems Inc.
      18101      490           578      Reliance Infocom Ltd Internet
       5668      484           619      CenturyTel Internet Holdings,
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:8         7:1         8:85        9:1        12:1808     15:19     
        16:3        17:3        18:12       20:37       24:926      25:1      
        32:50       33:3        38:337      40:60       41:221      44:2      
        47:4        52:4        55:3        56:3        57:25       58:468    
        59:381      60:341      61:989      62:886      63:1983     64:3146   
        65:2370     66:3309     67:745      68:625      69:1921     70:441    
        71:100      72:1362     73:2        74:582      75:254      76:81     
        77:260      78:23       80:823      81:824      82:660      83:374    
        84:537      85:856      86:344      87:463      88:285      89:947    
        90:12       91:437      97:6        98:3       116:256     117:82     
       121:246     122:585     123:132     124:884     125:962     128:291    
       129:212     130:138     131:363     132:54      133:9       134:193    
       135:38      136:182     137:81      138:156     139:71      140:494    
       141:172     142:377     143:255     144:289     145:45      146:325    
       147:121     148:399     149:140     150:112     151:160     152:85     
       153:123     154:2       155:257     156:157     157:212     158:158    
       159:171     160:103     161:94      162:209     163:182     164:470    
       165:396     166:286     167:290     168:507     169:120     170:412    
       171:23      172:1       189:64      190:759     192:5743    193:3925   
       194:3171    195:2236    196:952     198:3797    199:3279    200:4973   
       201:1111    202:7387    203:7566    204:3943    205:2007    206:2415   
       207:2820    208:2735    209:3485    210:2418    211:964     212:1268   
       213:1483    214:417     215:40      216:3967    217:1160    218:358    
       219:387     220:1014    221:412     222:266    
      
      End of report