[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, 27 Aug 2005 04:06:30 +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 27 Aug, 2005
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              168976
          Prefixes after maximum aggregation:                           96929
          Unique aggregates announced to Internet:                      81611
      Total ASes present in the Internet Routing Table:                 20370
      Origin-only ASes present in the Internet Routing Table:           17728
      Origin ASes announcing only one prefix:                            8403
      Transit ASes present in the Internet Routing Table:                2642
      Transit-only ASes present in the Internet Routing Table:             76
      Average AS path length visible in the Internet Routing Table:       4.5
          Max AS path length visible:                                      26
      Prefixes from unregistered ASNs in the Routing Table:                15
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:             12
      Number of addresses announced to Internet:                   1411870976
          Equivalent to 84 /8s, 39 /16s and 113 /24s
          Percentage of available address space announced:               38.1
          Percentage of allocated address space announced:               57.4
          Percentage of available address space allocated:               66.4
      Total number of prefixes smaller than registry allocations:       80191
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    35039
          Total APNIC prefixes after maximum aggregation:               15773
      Prefixes being announced from the APNIC address blocks:           32900
          Unique aggregates announced from the APNIC address blocks:    16471
      APNIC Region origin ASes present in the Internet Routing Table:    2342
      APNIC Region origin ASes announcing only one prefix:                697
      APNIC Region transit ASes present in the Internet Routing Table:    352
      Average APNIC Region AS path length visible:                        4.5
          Max APNIC Region AS path length visible:                         18
      Number of APNIC addresses announced to Internet:              195514112
          Equivalent to 11 /8s, 167 /16s and 79 /24s
          Percentage of available APNIC address space announced:         72.6
      
      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:                     90319
          Total ARIN prefixes after maximum aggregation:                54941
      Prefixes being announced from the ARIN address blocks:            70576
          Unique aggregates announced from the ARIN address blocks:     25937
      ARIN Region origin ASes present in the Internet Routing Table:    10165
      ARIN Region origin ASes announcing only one prefix:                3755
      ARIN Region transit ASes present in the Internet Routing Table:     952
      Average ARIN Region AS path length visible:                         4.3
          Max ARIN Region AS path length visible:                          20
      Number of ARIN addresses announced to Internet:               262450432
          Equivalent to 15 /8s, 164 /16s and 173 /24s
          Percentage of available ARIN address space announced:          65.2
      
      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:                     32577
          Total RIPE prefixes after maximum aggregation:                22250
      Prefixes being announced from the RIPE address blocks:            29615
          Unique aggregates announced from the RIPE address blocks:     19933
      RIPE Region origin ASes present in the Internet Routing Table:     7027
      RIPE Region origin ASes announcing only one prefix:                3716
      RIPE Region transit ASes present in the Internet Routing Table:    1167
      Average RIPE Region AS path length visible:                         5.1
          Max RIPE Region AS path length visible:                          26
      Number of RIPE addresses announced to Internet:               215275776
          Equivalent to 12 /8s, 212 /16s and 217 /24s
          Percentage of available RIPE address space announced:          64.2
      
      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
      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:                    9341
          Total LACNIC prefixes after maximum aggregation:               3176
      Prefixes being announced from the LACNIC address blocks:           7698
          Unique aggregates announced from the LACNIC address blocks:    4437
      LACNIC Region origin ASes present in the Internet Routing Table:    633
      LACNIC Region origin ASes announcing only one prefix:               196
      LACNIC Region transit ASes present in the Internet Routing Table:   118
      Average LACNIC Region AS path length visible:                       5.1
          Max LACNIC Region AS path length visible:                        23
      Number of LACNIC addresses announced to Internet:              21781760
          Equivalent to 1 /8s, 76 /16s and 93 /24s
          Percentage of available LACNIC address space announced:        32.5
      
      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:                   1680
          Total AfriNIC prefixes after maximum aggregation:               789
      Prefixes being announced from the AfriNIC address blocks:          1014
          Unique aggregates announced from the AfriNIC address blocks:    785
      AfriNIC Region origin ASes present in the Internet Routing Table:   133
      AfriNIC Region origin ASes announcing only one prefix:               39
      AfriNIC Region transit ASes present in the Internet Routing Table:   17
      Average AfriNIC Region AS path length visible:                      4.5
          Max AfriNIC Region AS path length visible:                       12
      Number of AfriNIC addresses announced to Internet:              2636288
          Equivalent to 0 /8s, 40 /16s and 58 /24s
          Percentage of available AfriNIC address space announced:        7.9
      
      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      957       5524         194   CHINANET-BACKBONE
       9583      756         77          14   Sify Limited
       1221      751       1326         521   Telstra Pty Ltd
       4755      697        259          64   Videsh Sanchar Nigam Ltd. Aut
       4766      602       3927         285   Korea Telecom (KIX)
       7545      516        108          72   TPG Internet Pty Ltd
      17676      465       6739          99   Softbank BB Corp.
       9443      386         84          79   Primus Telecommunications
       9498      338         99          59   BHARTI BT INTERNET LTD.
       2907      336       1788         313   SINET Japan
       9929      334        224          46   China Netcom Corp.
      17557      326         23         154   Pakistan Telecom
       7474      317        257         220   SingTel Optus Pty Ltd
      17488      314         18           7   Hathway IP Over Cable Interne
      18302      302        110         158   SK Global co., Ltd
       4802      295         53         156   Wantree Development
       9837      277         80         179   Powertel Ltd
      17974      264         65          14   PT TELEKOMUNIKASI INDONESIA
        703      258        262         208   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     1518       6377         981   AT&T WorldNet Services
       4323     1155        704         221   Time Warner Telecom
        174     1123       5837        1026   Cogent Communications
        721     1091      21906         313   DLA Systems Automation Center
        701     1006       8154         857   UUNET Technologies, Inc. 
       6197      946        503         445   BellSouth Network Solutions, 
       2386      903        528         663   AT&T Data Communications Serv
       1239      861       2847         623   Sprint 
      18566      836        225           8   Covad Communications 
      20115      641        503         324   Charter Communications 
        209      626       3470         488   Qwest 
       3356      575      10661         445   Level 3 Communications, LLC 
      27364      554         44          18   Armstrong Cable Services 
       3602      549        125         106   Sprint Canada, Inc. 
       3561      533       2416         421   Savvis
      22773      523       1352          27   Cox Communications, Inc.
       5668      501        115          23   CenturyTel Internet Holdings,
       7132      455       4948         389   SBC Internet Services
      19262      450       1370         120   Verizon Global Networks 
       6198      449        416         222   BellSouth Network Solutions, 
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        702      591       1999         482   UUNET - Commercial IP service
       3301      299       1081         285   TeliaNet Sweden
       3320      290       3232         239   Deutsche Telekom AG
       8220      262        474         258   COLT Telecommunications
        680      244       2040         240   DFN-IP service G-WiN
       8708      233        262         214   Romania Data Systems S.A.
       3246      229        469         222   Song Networks
       1257      201        712         175   SWIPnet Swedish IP Network
       5515      181        778         127   Sonera Solution Autonomous Sy
       6746      181         49         157   Dynamic Network Technologies,
       9121      175        282          44   TTnet Autonomous System
        786      174       1794         174   The JANET IP Service
       3269      171       1528          68   TELECOM ITALIA
       5400      167        289         141   BT Ignite European Backbone
       8866      166         20           7   Bulgarian Telecommunication C
       6830      157        669          33   UPC Distribution Services
       3300      156        184          90   AUCS Communications Services 
      25186      144        145         101   France Telecom Transpac's Tra
       8551      139        120          20   Bezeq International
       1273      137        174          96   Cable & Wireless Deutschland 
      
      LACNIC Region per AS prefix count summary
      -----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       8151      396        650         169   UniNet S.A. de C.V. 
      16814      298         18           7   NSS, S.A. 
      11172      242         87          58   Servicios Alestra S.A de C.V 
      11664      191         20          23   Keytech SA 
       6147      189        110          21   Telefonica Del Peru 
      22047      172        128           7   VTR PUNTO NET S.A. 
      14117      152          9           5   Telefonica del Sur S.A. 
       7303      143         68          15   Telecom Argentina Stet-France
      19632      143         14           5   Metropolis Intercom S.A. 
      11556      131         64           3   Cable-Wireless Panama 
       6505      130         90          87   Global One Communicaoes Ltda 
      10481      120         48           8   Prima S.A. 
      19169      120          8          26   Telconet 
       6503      114        148          75   AVANTEL, S.A. 
      18822      110          7          14   TELEFONICA MANQUEHUE 
      13999      108         52           9   Mega Cable S.A. de C.V. 
      21826      103         13          15   INTERCABLE 
       5639      102         12           9   Telecommunications Services o
      11311       97          8          14   Sinectis S.A. 
      23216       96         24          20   RAMtelecom Telecomunicaciones
      
      AfriNIC Region per AS prefix count summary
      ------------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       3741      262        685         220   The Internet Solution 
       5536      121          8          14   Internet Egypt Network
       8452      101         32           7   TEDATA
       2018       96        295          87   Tertiary Education Network 
       2905       77        210          69   The Internetworking Company o
      15475       77         84           4   Nile Online
      24835       58         34           7   RAYA Telecom - Egypt
      20928       57         16           2   Noor Advanced Technologies AS
       6713       51         54           8   Itissalat Al-MAGHRIB
       5713       43        149          33   Telkom SA Ltd 
       9129       42          3           3   UUNET Kenya
      15706       31          8           3   Sudatel Internet Exchange Aut
      12455       30          5           6   Jambonet Autonomous system
       8524       23          1           3   AUCEGYPT Autonomous System
      16637       22         10          19   Johnnic e-Ventures 
      10798       21          1          12   Standard Bank of South Africa
      23889       20          5           9   MAURITIUS TELECOM
      12258       17          3          11   Vodacom Internet Company 
      15804       17          2           1   AS of The Way Out Internet So
      15808       17          2           2   Communication Solutions Ltd i
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
       4323      1155         934      Time Warner Telecom
      18566       836         828      Covad Communications 
        721      1091         778      DLA Systems Automation Center
       4134       957         763      CHINANET-BACKBONE
       9583       756         742      Sify Limited
       4755       697         633      Videsh Sanchar Nigam Ltd. Aut
      27364       554         536      Armstrong Cable Services 
       6197       946         501      BellSouth Network Solutions, 
      22773       523         496      Cox Communications, Inc.
       5668       501         478      CenturyTel Internet Holdings,
       7545       516         444      TPG Internet Pty Ltd
       3602       549         443      Sprint Canada, Inc. 
      17676       465         366      Softbank BB Corp.
       6467       423         350      E.Spire Communications, Inc. 
      19262       450         330      Verizon Global Networks 
      20115       641         317      Charter Communications 
       4766       602         317      Korea Telecom (KIX)
      11492       322         315      Cable One 
       9443       386         307      Primus Telecommunications
      17488       314         307      Hathway IP Over Cable Interne
      
      List of Unregistered ASNs (Global)
      ----------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
      64826   PRIVATE       64.200.250.0/23       7911       Williams Communicati
      65511   PRIVATE       65.77.145.0/24       16605       Aaro Broadband Wirel
      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
      64943   PRIVATE       202.41.14.0/24       24110       Security Mail Pty Lt
      64942   PRIVATE       202.41.15.0/24       24110       Security Mail Pty Lt
      24413   UNALLOCATED   202.46.32.0/19       17623       China Netcom Corp.
      65005   PRIVATE       203.200.197.0/24      4755       Videsh Sanchar Nigam
      63946   RESERVED      204.222.174.0/23       268       Uniformed Services U
      
      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 
      192.84.205.0/24        719     LANLINK autonomous system
      192.119.135.0/24       270     NASA 
      192.135.50.0/24       7018     AT&T WorldNet Services
      192.172.0.0/19         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       /11:17      /12:76      
      /13:171     /14:319     /15:614     /16:8505    /17:2697    /18:4603    
      /19:10666   /20:11694   /21:9728    /22:13134   /23:14020   /24:91690   
      /25:328     /26:318     /27:176     /28:49      /29:27      /30:80      
      /31:1       /32:35      
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
      18566      820           836      Covad Communications 
       6197      769           946      BellSouth Network Solutions, 
       7018      724          1518      AT&T WorldNet Services
       2386      611           903      AT&T Data Communications Serv
       9583      578           756      Sify Limited
       4323      553          1155      Time Warner Telecom
      27364      545           554      Armstrong Cable Services 
       4766      419           602      Korea Telecom (KIX)
       5668      405           501      CenturyTel Internet Holdings,
        702      365           591      UUNET - Commercial IP service
      19916      363           369      OLM LLC 
       1239      360           861      Sprint 
       7011      345           401      Citizens Utilities 
       6198      323           449      BellSouth Network Solutions, 
      11492      314           322      Cable One 
       6517      302           325      Yipes Communications, Inc. 
      15270      302           332      PaeTec.net -a division of Pae
      18302      287           302      SK Global co., Ltd
        701      282          1006      UUNET Technologies, Inc. 
      11456      280           317      Carolina Online, Inc. 
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:7         8:22       11:1        12:1572     13:1        15:9      
        16:2        17:3        18:3        20:22       24:1065     30:3      
        32:61       33:1        38:143      40:56       44:4        47:2      
        52:4        55:2        56:3        57:23       58:154      59:64     
        60:114      61:717      62:722      63:1876     64:2832     65:2066   
        66:2900     67:600      68:579      69:1150     70:171      71:12     
        72:349      80:593      81:541      82:461      83:301      84:225    
        85:286      86:90       87:28      128:153     129:167     130:94     
       131:299     132:37      133:1       134:144     135:42      136:150    
       137:64      138:163     139:61      140:401     141:106     142:144    
       143:135     144:193     145:34      146:289     147:111     148:297    
       149:180     150:107     151:61      152:108     153:89      154:5      
       155:143     156:80      157:99      158:167     159:167     160:87     
       161:72      162:220     163:112     164:188     165:194     166:154    
       167:247     168:439     169:141     170:317     171:8       190:1      
       192:5739    193:3266    194:2401    195:1598    196:651     198:3882   
       199:3288    200:4117    201:279     202:6068    203:6352    204:3801   
       205:2047    206:2455    207:2831    208:2032    209:3325    210:1653   
       211:786     212:1240    213:1335    214:295     215:35      216:3626   
       217:1116    218:217     219:136     220:437     221:248     222:123    
      
      
      End of report