[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, 30 Apr 2005 04:07:16 +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 30 Apr, 2005
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              160965
          Prefixes after maximum aggregation:                           93728
          Unique aggregates announced to Internet:                      77542
      Total ASes present in the Internet Routing Table:                 19534
      Origin-only ASes present in the Internet Routing Table:           16995
      Origin ASes announcing only one prefix:                            7966
      Transit ASes present in the Internet Routing Table:                2539
      Transit-only ASes present in the Internet Routing Table:             70
      Average AS path length visible in the Internet Routing Table:       4.5
          Max AS path length visible:                                      25
      Prefixes from unregistered ASNs in the Routing Table:                13
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:             14
      Number of addresses announced to Internet:                   1402418240
          Equivalent to 83 /8s, 151 /16s and 52 /24s
          Percentage of available address space announced:               37.8
          Percentage of allocated address space announced:               59.4
          Percentage of available address space allocated:               63.7
      Total number of prefixes smaller than registry allocations:       75387
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    32925
          Total APNIC prefixes after maximum aggregation:               15505
      Prefixes being announced from the APNIC address blocks:           30870
          Unique aggregates announced from the APNIC address blocks:    15608
      APNIC Region origin ASes present in the Internet Routing Table:    2252
      APNIC Region origin ASes announcing only one prefix:                660
      APNIC Region transit ASes present in the Internet Routing Table:    342
      Average APNIC Region AS path length visible:                        4.4
          Max APNIC Region AS path length visible:                         15
      Number of APNIC addresses announced to Internet:              181904768
          Equivalent to 10 /8s, 215 /16s and 165 /24s
          Percentage of available APNIC address space announced:         67.5
      
      APNIC AS Blocks        4608-4864, 7467-7722, 9216-10239, 17408-18431
      (pre-ERX allocations)  23552-24575
      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:                     87447
          Total ARIN prefixes after maximum aggregation:                53329
      Prefixes being announced from the ARIN address blocks:            68203
          Unique aggregates announced from the ARIN address blocks:     25071
      ARIN Region origin ASes present in the Internet Routing Table:     9901
      ARIN Region origin ASes announcing only one prefix:                3600
      ARIN Region transit ASes present in the Internet Routing Table:     934
      Average ARIN Region AS path length visible:                         4.3
          Max ARIN Region AS path length visible:                          21
      Number of ARIN addresses announced to Internet:               247404544
          Equivalent to 14 /8s, 191 /16s and 24 /24s
          Percentage of available ARIN address space announced:          70.2
      
      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, 198/7, 204/6,
                             208/7 and 216/8
      
      RIPE Region Analysis Summary
      ----------------------------
      
      Prefixes being announced by RIPE Region ASes:                     30604
          Total RIPE prefixes after maximum aggregation:                21151
      Prefixes being announced from the RIPE address blocks:            27631
          Unique aggregates announced from the RIPE address blocks:     18416
      RIPE Region origin ASes present in the Internet Routing Table:     6602
      RIPE Region origin ASes announcing only one prefix:                3486
      RIPE Region transit ASes present in the Internet Routing Table:    1104
      Average RIPE Region AS path length visible:                         5.1
          Max RIPE Region AS path length visible:                          25
      Number of RIPE addresses announced to Internet:               202156992
          Equivalent to 12 /8s, 12 /16s and 171 /24s
          Percentage of available RIPE address space announced:          70.9
      
      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, 88/8, 188/8, 193/8, 194/7, 212/7
                             and 217/8
      
      LACNIC Region Analysis Summary
      ------------------------------
      
      Prefixes being announced by LACNIC Region ASes:                    8530
          Total LACNIC prefixes after maximum aggregation:               3037
      Prefixes being announced from the LACNIC address blocks:           6932
          Unique aggregates announced from the LACNIC address blocks:    4046
      LACNIC Region origin ASes present in the Internet Routing Table:    612
      LACNIC Region origin ASes announcing only one prefix:               193
      LACNIC Region transit ASes present in the Internet Routing Table:   111
      Average LACNIC Region AS path length visible:                       5.2
          Max LACNIC Region AS path length visible:                        21
      Number of LACNIC addresses announced to Internet:              18459136
          Equivalent to 1 /8s, 25 /16s and 170 /24s
          Percentage of available LACNIC address space announced:        55.0
      
      LACNIC AS Blocks       26592-26623, 27648-28671, plus ERX transfers
      LACNIC Address Blocks  200/7
      
      AfriNIC Region Analysis Summary
      -------------------------------
      
      Prefixes being announced by AfriNIC Region ASes:                   1441
          Total AfriNIC prefixes after maximum aggregation:               706
      Prefixes being announced from the AfriNIC address blocks:           943
          Unique aggregates announced from the AfriNIC address blocks:    749
      AfriNIC Region origin ASes present in the Internet Routing Table:   100
      AfriNIC Region origin ASes announcing only one prefix:               27
      AfriNIC Region transit ASes present in the Internet Routing Table:   14
      Average AfriNIC Region AS path length visible:                      4.6
          Max AfriNIC Region AS path length visible:                       13
      Number of AfriNIC addresses announced to Internet:              2224640
          Equivalent to 0 /8s, 33 /16s and 242 /24s
          Percentage of available AfriNIC address space announced:        6.6
      
      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      898       5035         183   CHINANET-BACKBONE
       1221      773       1192         550   Telstra Pty Ltd
       9583      729         53          71   Sify Limited
       4766      585       3413         276   Korea Telecom (KIX)
       4755      581        245         126   Videsh Sanchar Nigam Ltd. Aut
       7545      492         86          71   TPG Internet Pty Ltd
      17676      431       6509          73   Softbank BB Corp.
       9443      370         77          76   Primus Telecommunications
       9929      361        197          46   China Netcom Corp.
       2907      345       1838         319   SINET Japan
      17557      315         26         149   Pakistan Telecom
      10036      313         28         284   C&M Communication Co. Ltd.
       4808      309        251         169   CNCGROUP IP network: China169
       7474      299        268         208   SingTel Optus Pty Ltd
       9498      287         82          55   BHARTI BT INTERNET LTD.
       4802      279         47         164   Wantree Development
       2764      258        238         197   AAPT Limited
        703      256        279         211   UUNET - Commercial IP service
      17974      244         65          14   PT TELEKOMUNIKASI INDONESIA
       9800      242        386          69   CHINA UNICOM
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       7018     1488       6500         957   AT&T WorldNet Services
        174     1177       5607        1008   Cogent Communications
        721     1116      21763         314   DLA Systems Automation Center
       4323     1108        665         225   Time Warner Telecom
        701     1007       8282         857   UUNET Technologies, Inc. 
       1239      910       2874         659   Sprint 
       6197      895        381         415   BellSouth Network Solutions, 
       2386      847        532         628   AT&T Data Communications Serv
      18566      801        224           7   Covad Communications 
        209      653       3460         494   Qwest 
      20115      609        505         307   Charter Communications 
       3356      582      10836         437   Level 3 Communications, LLC 
       3561      541       2365         414   Savvis
      27364      539         43          18   Armstrong Cable Services 
        852      530       1095         393   Telus Advanced Communications
       3602      506        122          94   Sprint Canada, Inc. 
       5668      487        115          25   CenturyTel Internet Holdings,
      22773      481       1188          21   Cox Communications, Inc.
       6198      469        542         202   BellSouth Network Solutions, 
       7132      443       8782         380   SBC Internet Services
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        702      595       2003         487   UUNET - Commercial IP service
       3320      302       2993         236   Deutsche Telekom AG
       3301      297       1116         287   TeliaNet Sweden
       8220      274        469         268   COLT Telecommunications
        680      253       2041         238   DFN-IP service G-WiN
       3246      233        491         228   Song Networks
       8708      228        251         209   Romania Data Systems S.A.
       1257      199        727         175   SWIPnet Swedish IP Network
       5515      178        778         128   Sonera Solution Autonomous Sy
        786      176       1794         176   The JANET IP Service
       3269      167       1472          73   TELECOM ITALIA
       6746      164         47         143   Dynamic Network Technologies,
       8866      162         21          12   Bulgarian Telecommunication C
        719      159        340         101   LANLINK autonomous system
       3300      151        184          84   AUCS Communications Services 
       5400      144        284         128   BT Ignite European Backbone
      25186      139        137          97   France Telecom Transpac's Tra
       6830      137        513          27   UPC Distribution Services
       2856      129       2305         116   BTnet UK Regional network
       9051      128          8          34   INCONET Autonomous System
      
      LACNIC Region per AS prefix count summary
      -----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       8151      373        598         147   UniNet S.A. de C.V. 
      16814      266         16           7   NSS, S.A. 
      11172      223         99          54   Servicios Alestra S.A de C.V 
       6147      197        102          20   Telefonica Del Peru 
      11664      155         19          22   Keytech SA 
       7303      147         68          21   Telecom Argentina Stet-France
      14117      135          8           4   Telefonica del Sur S.A. 
       6505      130         90          87   Global One Communicaoes Ltda 
      22047      124         96           6   VTR PUNTO NET S.A. 
      11556      110         55           6   Cable-Wireless Panama 
      13999      110         52           9   Mega Cable S.A. de C.V. 
      18822      105          7          15   TELEFONICA MANQUEHUE 
       6503      104        146          74   AVANTEL, S.A. 
      10481      101         40           7   Prima S.A. 
      19169       89          6          26   Telconet 
      21826       89         12          18   INTERCABLE 
      23216       89         24          22   RAMtelecom Telecomunicaciones
      11311       85          8          21   Sinectis S.A. 
       5639       84         12           9   Telecommunications Services o
      19632       81         14           7   Metropolis Intercom S.A. 
      
      AfriNIC Region per AS prefix count summary
      ------------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       3741      270        637         225   The Internet Solution 
       5536      119         15          17   Internet Egypt Network
       2018       90        295          87   Tertiary Education Network 
      20928       90         16           2   Noor Advanced Technologies AS
       2905       75        267          69   The Internetworking Company o
       8452       64         20           5   TEDATA
      24835       60         34           6   RAYA Telecom - Egypt
       9129       44          3           3   UUNET Kenya
      12455       42          6           4   Jambonet Autonomous system
       5713       35        141          28   Telkom SA Ltd 
       6713       35         54           9   Itissalat Al-MAGHRIB
       8524       25          1           4   AUCEGYPT Autonomous System
      15475       24         84           4   Nile Online
      16637       22         10          19   Johnnic e-Ventures 
      10798       19          1          11   Standard Bank of South Africa
       7460       18          3           5   LIA Internet Access 
       2609       17         26           3   Tunisia BackBone AS
      12258       17          3          11   Vodacom Internet Company 
      21280       17          2           3   Swift Global Kenya Ltd.Is an 
      15808       16          1           1   Communication Solutions Ltd i
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
          0         0       65530      *
       4323      1108         883      Time Warner Telecom
        721      1116         802      DLA Systems Automation Center
      18566       801         794      Covad Communications 
       4134       898         715      CHINANET-BACKBONE
       9583       729         658      Sify Limited
      27364       539         521      Armstrong Cable Services 
       6197       895         480      BellSouth Network Solutions, 
       5668       487         462      CenturyTel Internet Holdings,
      22773       481         460      Cox Communications, Inc.
       4755       581         455      Videsh Sanchar Nigam Ltd. Aut
       7545       492         421      TPG Internet Pty Ltd
       3602       506         412      Sprint Canada, Inc. 
       6467       434         399      E.Spire Communications, Inc. 
      17676       431         358      Softbank BB Corp.
       6140       399         327      ImpSat
       9929       361         315      China Netcom Corp.
       4766       585         309      Korea Telecom (KIX)
      20115       609         302      Charter Communications 
       9443       370         294      Primus Telecommunications
      
      List of Unregistered ASNs (Global)
      ----------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
      30999   UNALLOCATED   196.192.80.0/24       6774       BELGACOM
      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
      65005   PRIVATE       203.200.197.0/24      4755       Videsh Sanchar Nigam
      65444   PRIVATE       212.25.125.0/24       8551       Bezeq International
      65529   PRIVATE       216.21.199.0/24      14697       VDot.Net 
      65529   PRIVATE       216.152.237.0/24     14697       VDot.Net 
      
      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 
      172.122.28.0/24        210     Utah Education Network 
      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        /8:19       /9:3       /10:8       /11:15      /12:68      
      /13:153     /14:307     /15:583     /16:8373    /17:2530    /18:4362    
      /19:10244   /20:11065   /21:8919    /22:12310   /23:13273   /24:87830   
      /25:280     /26:269     /27:142     /28:75      /29:38      /30:70      
      /31:0       /32:29      
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
      18566      785           801      Covad Communications 
       6197      734           895      BellSouth Network Solutions, 
       7018      673          1488      AT&T WorldNet Services
       2386      601           847      AT&T Data Communications Serv
       9583      545           729      Sify Limited
      27364      528           539      Armstrong Cable Services 
       4323      520          1108      Time Warner Telecom
       5668      404           487      CenturyTel Internet Holdings,
       4766      402           585      Korea Telecom (KIX)
       1239      382           910      Sprint 
        702      367           595      UUNET - Commercial IP service
       6198      339           469      BellSouth Network Solutions, 
       6467      313           434      E.Spire Communications, Inc. 
      10036      313           313      C&M Communication Co. Ltd.
       6517      296           319      Yipes Communications, Inc. 
       7011      296           346      Citizens Utilities 
       9929      282           361      China Netcom Corp.
      11456      276           318      Carolina Online, Inc. 
      15270      258           278      PaeTec.net -a division of Pae
        174      249          1177      Cogent Communications
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:4         8:12       12:1529     13:1        15:9        16:2      
        17:3        18:4        20:4        24:978      30:2        32:69     
        33:4        38:109      40:53       44:3        47:2        52:4      
        55:2        56:3        57:24       58:42       59:28       60:22     
        61:784      62:595      63:1878     64:2687     65:2066     66:2795   
        67:563      68:521      69:994      70:94       71:6        72:165    
        80:555      81:546      82:396      83:244      84:162      85:180    
        86:6       128:148     129:158     130:84      131:279     132:36     
       133:1       134:148     135:40      136:191     137:65      138:171    
       139:55      140:191     141:106     142:142     143:134     144:167    
       145:33      146:280     147:104     148:296     149:169     150:97     
       151:65      152:107     153:87      154:5       155:143     156:77     
       157:92      158:167     159:173     160:77      161:61      162:203    
       163:83      164:207     165:178     166:155     167:231     168:417    
       169:140     170:315     171:8       172:2       192:5701    193:3177   
       194:2341    195:1548    196:652     198:3937    199:3287    200:3851   
       201:113     202:5528    203:6129    204:3820    205:2015    206:2471   
       207:2761    208:2060    209:3268    210:1695    211:840     212:1191   
       213:1284    214:275     215:32      216:3513    217:1139    218:192    
       219:105     220:373     221:203     222:91     
      
      End of report