[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, 6 Aug 2005 04:06:26 +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 06 Aug, 2005
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              167801
          Prefixes after maximum aggregation:                           96506
          Unique aggregates announced to Internet:                      81293
      Total ASes present in the Internet Routing Table:                 20239
      Origin-only ASes present in the Internet Routing Table:           17643
      Origin ASes announcing only one prefix:                            8332
      Transit ASes present in the Internet Routing Table:                2596
      Transit-only ASes present in the Internet Routing Table:             74
      Average AS path length visible in the Internet Routing Table:       4.6
          Max AS path length visible:                                      26
      Prefixes from unregistered ASNs in the Routing Table:                17
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:             14
      Number of addresses announced to Internet:                   1400107285
          Equivalent to 83 /8s, 115 /16s and 241 /24s
          Percentage of available address space announced:               37.8
          Percentage of allocated address space announced:               56.9
          Percentage of available address space allocated:               66.4
      Total number of prefixes smaller than registry allocations:       79600
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    34877
          Total APNIC prefixes after maximum aggregation:               15745
      Prefixes being announced from the APNIC address blocks:           32719
          Unique aggregates announced from the APNIC address blocks:    16294
      APNIC Region origin ASes present in the Internet Routing Table:    2322
      APNIC Region origin ASes announcing only one prefix:                683
      APNIC Region transit ASes present in the Internet Routing Table:    345
      Average APNIC Region AS path length visible:                        4.5
          Max APNIC Region AS path length visible:                         17
      Number of APNIC addresses announced to Internet:              192605568
          Equivalent to 11 /8s, 122 /16s and 237 /24s
          Percentage of available APNIC address space announced:         71.5
      
      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, 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:                     89702
          Total ARIN prefixes after maximum aggregation:                54700
      Prefixes being announced from the ARIN address blocks:            70083
          Unique aggregates announced from the ARIN address blocks:     25956
      ARIN Region origin ASes present in the Internet Routing Table:    10139
      ARIN Region origin ASes announcing only one prefix:                3751
      ARIN Region transit ASes present in the Internet Routing Table:     948
      Average ARIN Region AS path length visible:                         4.3
          Max ARIN Region AS path length visible:                          20
      Number of ARIN addresses announced to Internet:               255222037
          Equivalent to 15 /8s, 54 /16s and 97 /24s
          Percentage of available ARIN address space announced:          63.4
      
      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
      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:                     32376
          Total RIPE prefixes after maximum aggregation:                22109
      Prefixes being announced from the RIPE address blocks:            29392
          Unique aggregates announced from the RIPE address blocks:     19770
      RIPE Region origin ASes present in the Internet Routing Table:     6946
      RIPE Region origin ASes announcing only one prefix:                3665
      RIPE Region transit ASes present in the Internet Routing Table:    1131
      Average RIPE Region AS path length visible:                         5.2
          Max RIPE Region AS path length visible:                          26
      Number of RIPE addresses announced to Internet:               213666944
          Equivalent to 12 /8s, 188 /16s and 76 /24s
          Percentage of available RIPE address space announced:          63.7
      
      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
      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:                    9172
          Total LACNIC prefixes after maximum aggregation:               3168
      Prefixes being announced from the LACNIC address blocks:           7525
          Unique aggregates announced from the LACNIC address blocks:    4493
      LACNIC Region origin ASes present in the Internet Routing Table:    631
      LACNIC Region origin ASes announcing only one prefix:               196
      LACNIC Region transit ASes present in the Internet Routing Table:   119
      Average LACNIC Region AS path length visible:                       5.2
          Max LACNIC Region AS path length visible:                        23
      Number of LACNIC addresses announced to Internet:              20777472
          Equivalent to 1 /8s, 61 /16s and 10 /24s
          Percentage of available LACNIC address space announced:        31.0
      
      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:                   1651
          Total AfriNIC prefixes after maximum aggregation:               784
      Prefixes being announced from the AfriNIC address blocks:          1006
          Unique aggregates announced from the AfriNIC address blocks:    769
      AfriNIC Region origin ASes present in the Internet Routing Table:   133
      AfriNIC Region origin ASes announcing only one prefix:               37
      AfriNIC Region transit ASes present in the Internet Routing Table:   16
      Average AfriNIC Region AS path length visible:                      4.6
          Max AfriNIC Region AS path length visible:                       12
      Number of AfriNIC addresses announced to Internet:              2357504
          Equivalent to 0 /8s, 35 /16s and 249 /24s
          Percentage of available AfriNIC address space announced:        7.0
      
      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      954       5521         192   CHINANET-BACKBONE
       1221      766       1326         527   Telstra Pty Ltd
       9583      753         77          14   Sify Limited
       4755      673        259          65   Videsh Sanchar Nigam Ltd. Aut
       4766      590       3412         278   Korea Telecom (KIX)
       7545      515        108          72   TPG Internet Pty Ltd
      17676      463       6707          98   Softbank BB Corp.
       9443      382         82          77   Primus Telecommunications
       9929      344        224          46   China Netcom Corp.
       9498      340         83          61   BHARTI BT INTERNET LTD.
       2907      337       1789         314   SINET Japan
      17557      324         23         156   Pakistan Telecom
       7474      316        273         218   SingTel Optus Pty Ltd
       4802      298         53         164   Wantree Development
      18302      295        109         158   SK Global co., Ltd
       9837      278         79         181   Powertel Ltd
      17488      272         16           8   Hathway IP Over Cable Interne
      17974      269         65          14   PT TELEKOMUNIKASI INDONESIA
        703      254        262         207   UUNET - Commercial IP service
       9800      250        390          64   CHINA UNICOM
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       7018     1501       6402         968   AT&T WorldNet Services
       4323     1141        688         220   Time Warner Telecom
        174     1118       5825        1034   Cogent Communications
        721     1082      21779         312   DLA Systems Automation Center
        701     1018       8173         863   UUNET Technologies, Inc. 
       6197      940        497         447   BellSouth Network Solutions, 
       2386      893        528         656   AT&T Data Communications Serv
       1239      871       2863         629   Sprint 
      18566      833        224           7   Covad Communications 
      20115      651        499         322   Charter Communications 
        209      621       3470         489   Qwest 
       3356      584      10697         448   Level 3 Communications, LLC 
      27364      554         44          18   Armstrong Cable Services 
       3602      550        125         105   Sprint Canada, Inc. 
       3561      532       2384         420   Savvis
      22773      508       1188          23   Cox Communications, Inc.
       5668      501        115          23   CenturyTel Internet Holdings,
       6198      467        396         224   BellSouth Network Solutions, 
        852      457       1093         384   Telus Advanced Communications
       7132      451       4705         386   SBC Internet Services
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        702      593       1999         483   UUNET - Commercial IP service
       3301      299       1081         285   TeliaNet Sweden
       3320      292       3232         241   Deutsche Telekom AG
       8220      262        472         258   COLT Telecommunications
        680      245       2041         241   DFN-IP service G-WiN
       3246      230        469         223   Song Networks
       8708      228        262         214   Romania Data Systems S.A.
       1257      196        712         174   SWIPnet Swedish IP Network
       5515      181        778         127   Sonera Solution Autonomous Sy
       5400      177        289         149   BT Ignite European Backbone
       6746      176         49         154   Dynamic Network Technologies,
        786      174       1794         174   The JANET IP Service
       3269      169       1520          72   TELECOM ITALIA
        719      168        340         100   LANLINK autonomous system
       8866      163         20           7   Bulgarian Telecommunication C
       3300      155        184          89   AUCS Communications Services 
       9121      154        274          42   TTnet Autonomous System
       6830      149        665          32   UPC Distribution Services
      25186      143        145         100   France Telecom Transpac's Tra
       8551      140        120          20   Bezeq International
      
      LACNIC Region per AS prefix count summary
      -----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       8151      380        599         160   UniNet S.A. de C.V. 
      16814      265         16           7   NSS, S.A. 
      11172      240         99          59   Servicios Alestra S.A de C.V 
       6147      192        110          21   Telefonica Del Peru 
      11664      181         20          23   Keytech SA 
      14117      152          9           5   Telefonica del Sur S.A. 
       7303      144         69          18   Telecom Argentina Stet-France
      22047      143        112           7   VTR PUNTO NET S.A. 
      19632      142         14           5   Metropolis Intercom S.A. 
      11556      131         64           3   Cable-Wireless Panama 
       6505      130         90          87   Global One Communicaoes Ltda 
      19169      119          7          25   Telconet 
       6503      115        148          76   AVANTEL, S.A. 
      13999      112         52           9   Mega Cable S.A. de C.V. 
      18822      110          7          14   TELEFONICA MANQUEHUE 
      10481      101         40           7   Prima S.A. 
      21826      101         13          18   INTERCABLE 
      22927       97         81          26   TELEFONICA DE ARGENTINA 
      23216       96         24          21   RAMtelecom Telecomunicaciones
       5639       95         12           9   Telecommunications Services o
      
      AfriNIC Region per AS prefix count summary
      ------------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       3741      263        621         221   The Internet Solution 
       5536      120         15          17   Internet Egypt Network
       8452       99         32           8   TEDATA
       2018       96        295          87   Tertiary Education Network 
       2905       76        266          68   The Internetworking Company o
      24835       57         34           6   RAYA Telecom - Egypt
      20928       56         16           2   Noor Advanced Technologies AS
       6713       51         54           8   Itissalat Al-MAGHRIB
      15475       49         84           4   Nile Online
       9129       42          3           3   UUNET Kenya
       5713       39        148          31   Telkom SA Ltd 
      12455       36          6           3   Jambonet Autonomous system
      15706       31          8           3   Sudatel Internet Exchange Aut
       8524       25          1           4   AUCEGYPT Autonomous System
      16637       22         10          19   Johnnic e-Ventures 
      23889       20          5           9   MAURITIUS TELECOM
      10798       19          1          11   Standard Bank of South Africa
      12258       17          3          11   Vodacom Internet Company 
      15808       17          2           2   Communication Solutions Ltd i
      21491       17          1           1   UTL On-line is RF broadband I
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
       4323      1141         921      Time Warner Telecom
      18566       833         826      Covad Communications 
        721      1082         770      DLA Systems Automation Center
       4134       954         762      CHINANET-BACKBONE
       9583       753         739      Sify Limited
       4755       673         608      Videsh Sanchar Nigam Ltd. Aut
      27364       554         536      Armstrong Cable Services 
       6197       940         493      BellSouth Network Solutions, 
      22773       508         485      Cox Communications, Inc.
       5668       501         478      CenturyTel Internet Holdings,
       3602       550         445      Sprint Canada, Inc. 
       7545       515         443      TPG Internet Pty Ltd
      17676       463         365      Softbank BB Corp.
       6467       433         360      E.Spire Communications, Inc. 
      20115       651         329      Charter Communications 
      19262       436         320      Verizon Global Networks 
       4766       590         312      Korea Telecom (KIX)
      11492       312         306      Cable One 
       9443       382         305      Primus Telecommunications
       9929       344         298      China Netcom Corp.
      
      List of Unregistered ASNs (Global)
      ----------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
      64826   PRIVATE       64.200.250.0/23       7911       Williams Communicati
      65050   PRIVATE       168.96.148.0/24       6140       ImpSat
      65507   PRIVATE       200.0.64.0/24        27750       Cooperación Latino A
      65004   PRIVATE       200.0.113.0/24       28477       Universidad Autonoma
      65004   PRIVATE       200.4.0.0/24         28477       Universidad Autonoma
      65004   PRIVATE       200.4.1.0/24         28477       Universidad Autonoma
      65004   PRIVATE       200.4.2.0/24         28477       Universidad Autonoma
      65004   PRIVATE       200.4.3.0/24         28477       Universidad Autonoma
      65004   PRIVATE       200.4.4.0/24         28477       Universidad Autonoma
      65004   PRIVATE       200.4.5.0/24         28477       Universidad Autonoma
      65004   PRIVATE       200.4.6.0/24         28477       Universidad Autonoma
      65142   PRIVATE       200.32.76.0/24        6140       ImpSat
      65142   PRIVATE       200.32.77.0/24        6140       ImpSat
      64512   PRIVATE       200.61.48.0/20       11664       Keytech SA 
      64512   PRIVATE       200.61.58.0/23       11664       Keytech SA 
      64512   PRIVATE       200.80.148.0/23      11664       Keytech SA 
      65005   PRIVATE       203.200.197.0/24      4755       Videsh Sanchar Nigam
      
      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
      172.32.0.0/24         7011     Citizens Utilities 
      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 
      192.84.205.0/24        719     LANLINK autonomous system
      192.119.135.0/24       270     NASA 
      192.135.50.0/24       7018     AT&T WorldNet Services
      192.169.0.0/23        3970     RGnet, Inc. 
      192.172.0.0/19         721     DLA Systems Automation Center
      192.200.100.0/24      7018     AT&T WorldNet Services
      
      Number of prefixes announced per prefix length (Global)
      -------------------------------------------------------
      
       /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
       /7:0        /8:17       /9:3       /10:8       /11:15      /12:75      
      /13:167     /14:317     /15:608     /16:8468    /17:2674    /18:4541    
      /19:10566   /20:11570   /21:9593    /22:13026   /23:13915   /24:91182   
      /25:373     /26:312     /27:179     /28:50      /29:29      /30:77      
      /31:0       /32:36      
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
      18566      817           833      Covad Communications 
       6197      767           940      BellSouth Network Solutions, 
       7018      706          1501      AT&T WorldNet Services
       2386      604           893      AT&T Data Communications Serv
       9583      570           753      Sify Limited
      27364      545           554      Armstrong Cable Services 
       4323      541          1141      Time Warner Telecom
       4766      408           590      Korea Telecom (KIX)
       5668      405           501      CenturyTel Internet Holdings,
        702      365           593      UUNET - Commercial IP service
      19916      363           370      OLM LLC 
       1239      362           871      Sprint 
       6198      342           467      BellSouth Network Solutions, 
       7011      330           382      Citizens Utilities 
      11492      304           312      Cable One 
       6517      296           318      Yipes Communications, Inc. 
      15270      296           320      PaeTec.net -a division of Pae
       6467      287           433      E.Spire Communications, Inc. 
      20115      283           651      Charter Communications 
      18302      280           295      SK Global co., Ltd
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:7         8:23        9:1        12:1557     13:1        15:9      
        16:2        17:3        18:3        20:4        24:967      30:2      
        32:70       33:1        38:139      40:55       44:4        47:2      
        52:4        55:2        56:3        57:23       58:143      59:60     
        60:71       61:727      62:679      63:1887     64:2815     65:2097   
        66:2956     67:574      68:571      69:1138     70:153      71:13     
        72:285      80:598      81:559      82:442      83:294      84:225    
        85:296      86:76       87:24      128:158     129:168     130:88     
       131:293     132:38      133:1       134:145     135:42      136:137    
       137:70      138:165     139:61      140:399     141:104     142:144    
       143:141     144:196     145:34      146:291     147:110     148:291    
       149:177     150:106     151:65      152:108     153:89      154:5      
       155:141     156:77      157:100     158:167     159:168     160:82     
       161:71      162:219     163:95      164:188     165:192     166:153    
       167:241     168:436     169:145     170:328     171:8       172:1      
       190:1       192:5737    193:3239    194:2428    195:1588    196:650    
       198:3871    199:3293    200:4083    201:230     202:5981    203:6389   
       204:3791    205:2039    206:2451    207:2820    208:2044    209:3347   
       210:1638    211:740     212:1255    213:1328    214:273     215:32     
       216:3640    217:1118    218:212     219:179     220:422     221:237    
       222:123    
      
      End of report