[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
  • Subject: [apops] Weekly Routing Table Report
  • From: Routing Table Analysis <cscora at apnic dot net>
  • Date: Sat, 28 Jan 2006 04:06:57 +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
      
      If you have any comments please contact Philip Smith <pfs at cisco dot com>.
      
      Routing Table Report   04:00 +10GMT Sat 28 Jan, 2006
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              180021
          Prefixes after maximum aggregation:                          100565
          Unique aggregates announced to Internet:                      87510
      Total ASes present in the Internet Routing Table:                 21387
      Origin-only ASes present in the Internet Routing Table:           18586
      Origin ASes announcing only one prefix:                            8813
      Transit ASes present in the Internet Routing Table:                2801
      Transit-only ASes present in the Internet Routing Table:             75
      Average AS path length visible in the Internet Routing Table:       4.5
          Max AS path length visible:                                      22
      Prefixes from unregistered ASNs in the Routing Table:                 1
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:             12
      Number of addresses announced to Internet:                   1484762656
          Equivalent to 88 /8s, 127 /16s and 174 /24s
          Percentage of available address space announced:               40.1
          Percentage of allocated address space announced:               59.1
          Percentage of available address space allocated:               67.8
      Total number of prefixes smaller than registry allocations:       87277
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    37717
          Total APNIC prefixes after maximum aggregation:               15944
      Prefixes being announced from the APNIC address blocks:           35495
          Unique aggregates announced from the APNIC address blocks:    17347
      APNIC Region origin ASes present in the Internet Routing Table:    2466
      APNIC Region origin ASes announcing only one prefix:                695
      APNIC Region transit ASes present in the Internet Routing Table:    382
      Average APNIC Region AS path length visible:                        4.5
          Max APNIC Region AS path length visible:                         21
      Number of APNIC addresses announced to Internet:              211573472
          Equivalent to 12 /8s, 156 /16s and 90 /24s
          Percentage of available APNIC address space announced:         66.2
      
      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, 121/8, 122/7, 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:                     94801
          Total ARIN prefixes after maximum aggregation:                56437
      Prefixes being announced from the ARIN address blocks:            74122
          Unique aggregates announced from the ARIN address blocks:     28259
      ARIN Region origin ASes present in the Internet Routing Table:    10473
      ARIN Region origin ASes announcing only one prefix:                3903
      ARIN Region transit ASes present in the Internet Routing Table:     976
      Average ARIN Region AS path length visible:                         4.3
          Max ARIN Region AS path length visible:                          17
      Number of ARIN addresses announced to Internet:               284486400
          Equivalent to 16 /8s, 244 /16s and 235 /24s
          Percentage of available ARIN address space announced:          70.7
      
      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
      ARIN Address Blocks    24/8, 63/8, 64/6, 68/7, 70/6, 74/7, 76/8,
                             198/7, 204/6, 208/7 and 216/8
      
      RIPE Region Analysis Summary
      ----------------------------
      
      Prefixes being announced by RIPE Region ASes:                     35370
          Total RIPE prefixes after maximum aggregation:                23868
      Prefixes being announced from the RIPE address blocks:            32378
          Unique aggregates announced from the RIPE address blocks:     21748
      RIPE Region origin ASes present in the Internet Routing Table:     7566
      RIPE Region origin ASes announcing only one prefix:                3956
      RIPE Region transit ASes present in the Internet Routing Table:    1252
      Average RIPE Region AS path length visible:                         5.0
          Max RIPE Region AS path length visible:                          19
      Number of RIPE addresses announced to Internet:               230579840
          Equivalent to 13 /8s, 190 /16s and 94 /24s
          Percentage of available RIPE address space announced:          68.7
      
      RIPE AS Blocks         1877-1901, 2043, 2047, 2107-2136, 2585-2614
      (pre-ERX allocations)  2773-2822, 2830-2879, 3154-3353, 5377-5631
                             6656-6911, 8192-9215, 12288-13311, 15360-16383
                             20480-21503, 24576-25599, 28672-29695
                             30720-31743, 33792-35839, 38912-39935
      RIPE Address Blocks    62/8, 80/5, 88/6, 188/8, 193/8, 194/7, 212/7
                             and 217/8
      
      LACNIC Region Analysis Summary
      ------------------------------
      
      Prefixes being announced by LACNIC Region ASes:                   10268
          Total LACNIC prefixes after maximum aggregation:               3448
      Prefixes being announced from the LACNIC address blocks:           8450
          Unique aggregates announced from the LACNIC address blocks:    5051
      LACNIC Region origin ASes present in the Internet Routing Table:    662
      LACNIC Region origin ASes announcing only one prefix:               215
      LACNIC Region transit ASes present in the Internet Routing Table:   122
      Average LACNIC Region AS path length visible:                       5.2
          Max LACNIC Region AS path length visible:                        22
      Number of LACNIC addresses announced to Internet:              24582400
          Equivalent to 1 /8s, 119 /16s and 25 /24s
          Percentage of available LACNIC address space announced:        36.6
      
      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:                   1858
          Total AfriNIC prefixes after maximum aggregation:               868
      Prefixes being announced from the AfriNIC address blocks:          1223
          Unique aggregates announced from the AfriNIC address blocks:    864
      AfriNIC Region origin ASes present in the Internet Routing Table:   145
      AfriNIC Region origin ASes announcing only one prefix:               44
      AfriNIC Region transit ASes present in the Internet Routing Table:   26
      Average AfriNIC Region AS path length visible:                      4.6
          Max AfriNIC Region AS path length visible:                       14
      Number of AfriNIC addresses announced to Internet:              3039488
          Equivalent to 0 /8s, 46 /16s and 97 /24s
          Percentage of available AfriNIC address space announced:        9.1
      
      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      982       6462         204   CHINANET-BACKBONE
       9583      848        109          15   Sify Limited
       4755      793        258          63   Videsh Sanchar Nigam Ltd. Aut
       4766      720       3930         304   Korea Telecom (KIX)
       1221      669       1428         476   Telstra Pty Ltd
       7545      515        108          69   TPG Internet Pty Ltd
       9498      512        211          69   BHARTI BT INTERNET LTD.
      17676      480       6949         104   Softbank BB Corp.
      17488      435         26           9   Hathway IP Over Cable Interne
       9443      411         94          85   Primus Telecommunications
       4802      366         75         159   Wantree Development
       2907      338       1763         315   SINET Japan
       9929      335        218          50   China Netcom Corp.
       7474      330        227         228   SingTel Optus Pty Ltd
      18101      330         68          23   Reliance Infocom Ltd Internet
      17557      312         25         161   Pakistan Telecom
       4780      282        226          16   Digital United Inc.
      17974      272         77          37   PT TELEKOMUNIKASI INDONESIA
       9837      271         78         169   Powertel Ltd
       9800      259        410          67   CHINA UNICOM
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       7018     1472       6248         956   AT&T WorldNet Services
       4323     1208        724         236   Time Warner Telecom
        174     1036       5791         947   Cogent Communications
        721     1026      21938         308   DLA Systems Automation Center
       6197      984        593         475   BellSouth Network Solutions, 
        701      960       8083         803   UUNET Technologies, Inc. 
      18566      896        272           8   Covad Communications 
       2386      883        501         691   AT&T Data Communications Serv
       1239      848       2792         601   Sprint 
      20115      668        545         348   Charter Communications 
        209      663       3604         529   Qwest 
       6198      635        449         238   BellSouth Network Solutions, 
      11492      632         89          12   Cable One 
      22773      611       1478          33   Cox Communications, Inc.
      19262      604       1743         146   Verizon Global Networks 
        852      570       1092         379   Telus Advanced Communications
      19916      563         49          54   OLM LLC 
        855      559        242          59   Canadian Research Network 
       6478      537       1517         298   AT&T Worldnet Services 
       3602      522        127         106   Sprint Canada, Inc. 
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        702      587       1954         463   UUNET - Commercial IP service
       3301      303       1071         289   TeliaNet Sweden
       3352      303       1500          34   Ibernet, Internet Access Netw
       3320      281       3485         235   Deutsche Telekom AG
       8220      275        474         269   COLT Telecommunications
        680      248       2025         239   DFN-IP service G-WiN
       3246      229        487         219   Song Networks
       8708      223        275         207   Romania Data Systems S.A.
       6746      218         85         188   Dynamic Network Technologies,
       1257      195        712         173   SWIPnet Swedish IP Network
       3269      185       1925          70   TELECOM ITALIA
       5515      180        840         127   Sonera Solution Autonomous Sy
        786      174       1795         174   The JANET IP Service
       8866      172         37          13   Bulgarian Telecommunication C
      24863      168         38           9   LINKdotNET AS number
       3215      167       1366          81   France Telecom Transpac
       5400      166        328         136   BT Ignite European Backbone
       3300      164        170          93   AUCS Communications Services 
       6830      159        669          33   UPC Distribution Services
      12479      157        322           5   Uni2 Autonomous System
      
      LACNIC Region per AS prefix count summary
      -----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       8151      561       1048         215   UniNet S.A. de C.V. 
      22047      379        141          44   VTR PUNTO NET S.A. 
      11172      302        110          77   Servicios Alestra S.A de C.V 
      16814      297         18           7   NSS, S.A. 
      13999      189         51          18   Mega Cable S.A. de C.V. 
      14117      181         11           6   Telefonica del Sur S.A. 
       6147      154        126          22   Telefonica Del Peru 
       7303      154         73          18   Telecom Argentina Stet-France
      11556      130         64           3   Cable-Wireless Panama 
      19169      123          8          30   Telconet 
      10481      121         48           8   Prima S.A. 
       6503      115        148          76   AVANTEL, S.A. 
      21826      113         14          19   INTERCABLE 
       5639      112         12           9   Telecommunications Services o
       6505      108         88          80   Global One Communicaoes Ltda 
      18822       99          8          10   TELEFONICA MANQUEHUE 
       7315       96          6           3   Grupo Rey Moreno 
      11311       94          8          23   Sinectis S.A. 
      14522       94         12           8   SatNet S.A. 
      19429       94         51          50   E.T.B. 
      
      AfriNIC Region per AS prefix count summary
      ------------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       3741      277        819         233   The Internet Solution 
       8452      151         60           7   TEDATA
       5536      122          8          16   Internet Egypt Network
       2018      117        298         103   Tertiary Education Network 
      15475       76         84           4   Nile Online
       2905       74        155          67   The Internetworking Company o
      24835       73         34           6   RAYA Telecom - Egypt
       6713       68         71          10   Itissalat Al-MAGHRIB
      20928       60         16           2   Noor Advanced Technologies AS
       5713       38        166          34   Telkom SA Ltd 
      33774       36          9          27   AS Number for Telecom Algeria
      15706       31          8           3   Sudatel Internet Exchange Aut
      12455       28          6           5   Jambonet Autonomous system
      23889       25          7          10   MAURITIUS TELECOM
       8524       23          1           4   AUCEGYPT Autonomous System
      16637       23         10          21   Johnnic e-Ventures 
      10798       22          1          13   Standard Bank of South Africa
      21280       21          4           4   Swift Global Kenya Ltd.Is an 
       8346       20         14          19   SONATEL-AS Autonomous System
      12258       17          3          11   Vodacom Internet Company 
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
       4323      1208         972      Time Warner Telecom
      18566       896         888      Covad Communications 
       9583       848         833      Sify Limited
       4134       982         778      CHINANET-BACKBONE
       4755       793         730      Videsh Sanchar Nigam Ltd. Aut
        721      1026         718      DLA Systems Automation Center
      11492       632         620      Cable One 
      22773       611         578      Cox Communications, Inc.
       6197       984         509      BellSouth Network Solutions, 
      19916       563         509      OLM LLC 
        855       559         500      Canadian Research Network 
       5668       520         496      CenturyTel Internet Holdings,
      19262       604         458      Verizon Global Networks 
       7545       515         446      TPG Internet Pty Ltd
       9498       512         443      BHARTI BT INTERNET LTD.
      17488       435         426      Hathway IP Over Cable Interne
       7757       442         423      AT&T Broadband 
       4766       720         416      Korea Telecom (KIX)
       3602       522         416      Sprint Canada, Inc. 
        812       438         410      Rogers WAVE 
      
      List of Unregistered ASNs (Global)
      ----------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
      65005   PRIVATE       159.153.148.0/22     24989       IX Europe Frankfurt 
      
      Advertised Unallocated Addresses
      --------------------------------
      
      Network            Origin AS  Description
      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
      192.43.230.0/24       7575     Australian Academic and Rease
      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 
      192.72.0.0/18         4780     Digital United Inc.
      192.72.0.0/16         4780     Digital United Inc.
      192.84.205.0/24        719     LANLINK autonomous system
      192.119.135.0/24       270     NASA 
      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       /9:5       /10:8       /11:20      /12:87      
      /13:198     /14:351     /15:684     /16:8667    /17:2982    /18:4983    
      /19:11227   /20:12403   /21:10785   /22:13810   /23:14993   /24:97838   
      /25:314     /26:260     /27:203     /28:62      /29:26      /30:55      
      /31:3       /32:39      
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
      18566      879           896      Covad Communications 
       6197      783           984      BellSouth Network Solutions, 
       7018      746          1472      AT&T WorldNet Services
       9583      667           848      Sify Limited
      11492      623           632      Cable One 
       2386      617           883      AT&T Data Communications Serv
       4323      582          1208      Time Warner Telecom
      19916      557           563      OLM LLC 
       4766      520           720      Korea Telecom (KIX)
       6198      500           635      BellSouth Network Solutions, 
        855      445           559      Canadian Research Network 
       7757      424           442      AT&T Broadband 
       5668      408           520      CenturyTel Internet Holdings,
       7011      406           472      Citizens Utilities 
        702      374           587      UUNET - Commercial IP service
       1239      367           848      Sprint 
       6517      344           372      Yipes Communications, Inc. 
      15270      338           366      PaeTec.net -a division of Pae
      22773      318           611      Cox Communications, Inc.
        812      317           438      Rogers WAVE 
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:3         8:44       12:1638     13:1        15:11       16:3      
        17:3        18:4        20:42       24:861      25:1        30:2      
        32:66       38:191      40:54       44:3        47:3        52:4      
        55:1        56:3        57:34       58:115      59:163      60:183    
        61:812      62:745      63:1893     64:2940     65:2230     66:3090   
        67:588      68:665      69:1425     70:300      71:53       72:612    
        73:23       80:741      81:599      82:507      83:357      84:343    
        85:425      86:283      87:153      88:17       89:7       124:8      
       125:188     128:160     129:174     130:103     131:311     132:34     
       133:7       134:152     135:46      136:169     137:61      138:183    
       139:89      140:380     141:133     142:414     143:144     144:225    
       145:39      146:307     147:134     148:323     149:185     150:114    
       151:72      152:61      153:104     154:6       155:186     156:90     
       157:120     158:156     159:180     160:88      161:68      162:258    
       163:177     164:170     165:181     166:146     167:236     168:476    
       169:139     170:316     171:12      190:30      192:5760    193:3356   
       194:2469    195:1745    196:738     198:3886    199:3265    200:4209   
       201:566     202:6451    203:6757    204:3887    205:2099    206:2438   
       207:2925    208:2019    209:3490    210:1864    211:790     212:1279   
       213:1429    214:320     215:40      216:3826    217:1155    218:235    
       219:133     220:638     221:336     222:137    
      
      End of report