[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, 23 Apr 2005 04:09:54 +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 23 Apr, 2005
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              160685
          Prefixes after maximum aggregation:                           93441
          Unique aggregates announced to Internet:                      77331
      Total ASes present in the Internet Routing Table:                 19488
      Origin-only ASes present in the Internet Routing Table:           16946
      Origin ASes announcing only one prefix:                            7942
      Transit ASes present in the Internet Routing Table:                2542
      Transit-only ASes present in the Internet Routing Table:             69
      Average AS path length visible in the Internet Routing Table:       4.5
          Max AS path length visible:                                      29
      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:             14
      Number of addresses announced to Internet:                   1384702016
          Equivalent to 82 /8s, 136 /16s and 224 /24s
          Percentage of available address space announced:               37.4
          Percentage of allocated address space announced:               58.6
          Percentage of available address space allocated:               63.7
      Total number of prefixes smaller than registry allocations:       75129
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    32783
          Total APNIC prefixes after maximum aggregation:               15452
      Prefixes being announced from the APNIC address blocks:           30715
          Unique aggregates announced from the APNIC address blocks:    15525
      APNIC Region origin ASes present in the Internet Routing Table:    2250
      APNIC Region origin ASes announcing only one prefix:                662
      APNIC Region transit ASes present in the Internet Routing Table:    347
      Average APNIC Region AS path length visible:                        4.4
          Max APNIC Region AS path length visible:                         15
      Number of APNIC addresses announced to Internet:              181900160
          Equivalent to 10 /8s, 215 /16s and 147 /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:                     87296
          Total ARIN prefixes after maximum aggregation:                53207
      Prefixes being announced from the ARIN address blocks:            68081
          Unique aggregates announced from the ARIN address blocks:     25036
      ARIN Region origin ASes present in the Internet Routing Table:     9884
      ARIN Region origin ASes announcing only one prefix:                3588
      ARIN Region transit ASes present in the Internet Routing Table:     937
      Average ARIN Region AS path length visible:                         4.3
          Max ARIN Region AS path length visible:                          21
      Number of ARIN addresses announced to Internet:               246540032
          Equivalent to 14 /8s, 177 /16s and 231 /24s
          Percentage of available ARIN address space announced:          70.0
      
      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:                     30516
          Total RIPE prefixes after maximum aggregation:                21066
      Prefixes being announced from the RIPE address blocks:            27554
          Unique aggregates announced from the RIPE address blocks:     18353
      RIPE Region origin ASes present in the Internet Routing Table:     6575
      RIPE Region origin ASes announcing only one prefix:                3470
      RIPE Region transit ASes present in the Internet Routing Table:    1101
      Average RIPE Region AS path length visible:                         5.1
          Max RIPE Region AS path length visible:                          29
      Number of RIPE addresses announced to Internet:               201801920
          Equivalent to 12 /8s, 7 /16s and 64 /24s
          Percentage of available RIPE address space announced:          70.8
      
      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:                    8628
          Total LACNIC prefixes after maximum aggregation:               3008
      Prefixes being announced from the LACNIC address blocks:           7032
          Unique aggregates announced from the LACNIC address blocks:    4060
      LACNIC Region origin ASes present in the Internet Routing Table:    612
      LACNIC Region origin ASes announcing only one prefix:               195
      LACNIC Region transit ASes present in the Internet Routing Table:   113
      Average LACNIC Region AS path length visible:                       5.2
          Max LACNIC Region AS path length visible:                        21
      Number of LACNIC addresses announced to Internet:              18427904
          Equivalent to 1 /8s, 25 /16s and 48 /24s
          Percentage of available LACNIC address space announced:        54.9
      
      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:                   1445
          Total AfriNIC prefixes after maximum aggregation:               708
      Prefixes being announced from the AfriNIC address blocks:           937
          Unique aggregates announced from the AfriNIC address blocks:    741
      AfriNIC Region origin ASes present in the Internet Routing Table:   101
      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:              2210048
          Equivalent to 0 /8s, 33 /16s and 185 /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      901       5101         182   CHINANET-BACKBONE
       1221      773       1192         550   Telstra Pty Ltd
       9583      719         52          67   Sify Limited
       4766      584       3413         275   Korea Telecom (KIX)
       4755      543        243         111   Videsh Sanchar Nigam Ltd. Aut
       7545      488         86          71   TPG Internet Pty Ltd
      17676      430       6508          72   Softbank BB Corp.
       9443      369         77          75   Primus Telecommunications
       9929      357        173          44   China Netcom Corp.
       2907      345       1838         319   SINET Japan
      17557      331         23         155   Pakistan Telecom
      10036      313         28         284   C&M Communication Co. Ltd.
       4808      309        251         169   CNCGROUP IP network: China169
       7474      298        268         209   SingTel Optus Pty Ltd
       9498      284         82          52   BHARTI BT INTERNET LTD.
       4802      279         47         164   Wantree Development
       2764      260        238         198   AAPT Limited
        703      257        279         211   UUNET - Commercial IP service
      17974      243         65          13   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     1482       6515         958   AT&T WorldNet Services
        174     1138       5604         970   Cogent Communications
        721     1119      21763         314   DLA Systems Automation Center
       4323     1099        665         223   Time Warner Telecom
        701     1006       8282         857   UUNET Technologies, Inc. 
       1239      916       2876         663   Sprint 
       6197      886        380         410   BellSouth Network Solutions, 
       2386      841        532         623   AT&T Data Communications Serv
      18566      791        224           7   Covad Communications 
        209      651       3459         497   Qwest 
      20115      607        501         308   Charter Communications 
       3356      583      10836         437   Level 3 Communications, LLC 
       3561      545       2361         414   Savvis
        852      532       1095         393   Telus Advanced Communications
      27364      518         43          18   Armstrong Cable Services 
       3602      507        122          92   Sprint Canada, Inc. 
       5668      488        115          25   CenturyTel Internet Holdings,
      22773      479       1188          21   Cox Communications, Inc.
       6198      460        439         206   BellSouth Network Solutions, 
       7132      442       8654         379   SBC Internet Services
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        702      593       2002         485   UUNET - Commercial IP service
       3320      304       2993         238   Deutsche Telekom AG
       3301      296       1116         286   TeliaNet Sweden
       8220      275        472         269   COLT Telecommunications
        680      253       2041         238   DFN-IP service G-WiN
       3246      231        491         226   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         144   Dynamic Network Technologies,
       8866      161         21          12   Bulgarian Telecommunication C
        719      159        340         101   LANLINK autonomous system
       3300      152        184          85   AUCS Communications Services 
       5400      145        284         129   BT Ignite European Backbone
      25186      139        137          97   France Telecom Transpac's Tra
       6830      138        513          27   UPC Distribution Services
       9051      128          8          34   INCONET Autonomous System
       2856      127       2305         115   BTnet UK Regional network
      
      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      265         16           7   NSS, S.A. 
      11172      223         99          54   Servicios Alestra S.A de C.V 
       6147      197        102          20   Telefonica Del Peru 
      19632      190         14           7   Metropolis Intercom S.A. 
      11664      157         19          23   Keytech SA 
       7303      147         68          21   Telecom Argentina Stet-France
       6505      130         90          87   Global One Communicaoes Ltda 
      22047      123         96           6   VTR PUNTO NET S.A. 
      14117      119          8           4   Telefonica del Sur S.A. 
      11556      105         52           4   Cable-Wireless Panama 
      18822      105          7          15   TELEFONICA MANQUEHUE 
       6503      104        146          74   AVANTEL, S.A. 
      10481      101         40           7   Prima S.A. 
      13999      100         52           9   Mega Cable S.A. de C.V. 
      19169       96          6          17   Telconet 
      23216       89         24          22   RAMtelecom Telecomunicaciones
      11311       85          8          21   Sinectis S.A. 
       5639       84         12           9   Telecommunications Services o
      22927       80         65          21   TELEFONICA DE ARGENTINA 
      
      AfriNIC Region per AS prefix count summary
      ------------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       3741      269        635         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       61         34           6   RAYA Telecom - Egypt
       9129       44          3           3   UUNET Kenya
      12455       42          7           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       23         84           4   Nile Online
      16637       22         10          19   Johnnic e-Ventures 
      10798       19          1          11   Standard Bank of South Africa
       2609       17         26           3   Tunisia BackBone AS
       7460       17          3           4   LIA Internet Access 
      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       65531      *
       4323      1099         876      Time Warner Telecom
        721      1119         805      DLA Systems Automation Center
      18566       791         784      Covad Communications 
       4134       901         719      CHINANET-BACKBONE
       9583       719         652      Sify Limited
      27364       518         500      Armstrong Cable Services 
       6197       886         476      BellSouth Network Solutions, 
       5668       488         463      CenturyTel Internet Holdings,
      22773       479         458      Cox Communications, Inc.
       4755       543         432      Videsh Sanchar Nigam Ltd. Aut
       7545       488         417      TPG Internet Pty Ltd
       3602       507         415      Sprint Canada, Inc. 
       6467       441         406      E.Spire Communications, Inc. 
      17676       430         358      Softbank BB Corp.
       6140       399         327      ImpSat
       9929       357         313      China Netcom Corp.
       4766       584         309      Korea Telecom (KIX)
      20115       607         299      Charter Communications 
       9443       369         294      Primus Telecommunications
      
      List of Unregistered ASNs (Global)
      ----------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
      65503   PRIVATE       193.125.183.0/24      3217       SIMBIRSK
      30999   UNALLOCATED   196.192.80.0/24       6774       BELGACOM
      33771   UNALLOCATED   196.201.208.0/24     12491       IPPlanet
      33771   UNALLOCATED   196.201.208.0/23     12455       Jambonet Autonomous 
      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
      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        /8:18       /9:3       /10:8       /11:15      /12:68      
      /13:152     /14:309     /15:587     /16:8374    /17:2529    /18:4361    
      /19:10225   /20:10969   /21:8888    /22:12213   /23:13273   /24:87794   
      /25:288     /26:262     /27:141     /28:76      /29:37      /30:66      
      /31:0       /32:29      
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
      18566      775           791      Covad Communications 
       6197      730           886      BellSouth Network Solutions, 
       7018      666          1482      AT&T WorldNet Services
       2386      595           841      AT&T Data Communications Serv
       9583      536           719      Sify Limited
       4323      513          1099      Time Warner Telecom
      27364      506           518      Armstrong Cable Services 
       5668      406           488      CenturyTel Internet Holdings,
       4766      401           584      Korea Telecom (KIX)
       1239      383           916      Sprint 
        702      365           593      UUNET - Commercial IP service
       6198      335           460      BellSouth Network Solutions, 
       6467      322           441      E.Spire Communications, Inc. 
      10036      313           313      C&M Communication Co. Ltd.
       7011      295           345      Citizens Utilities 
       6517      294           317      Yipes Communications, Inc. 
       9929      282           357      China Netcom Corp.
      11456      273           320      Carolina Online, Inc. 
      15270      254           274      PaeTec.net -a division of Pae
       3320      249           304      Deutsche Telekom AG
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:4         8:11       12:1519     13:1        15:9        16:2      
        17:3        18:4        20:4        24:872      32:69       33:4      
        38:109      40:53       44:3        47:2        52:4        55:2      
        56:3        57:24       58:42       59:25       60:20       61:751    
        62:585      63:1877     64:2678     65:2084     66:2774     67:550    
        68:515      69:996      70:92       71:5        72:145      80:560    
        81:538      82:391      83:240      84:155      85:174      86:1      
       128:141     129:158     130:89      131:280     132:36      133:1      
       134:150     135:40      136:191     137:66      138:172     139:56     
       140:191     141:106     142:139     143:131     144:167     145:32     
       146:280     147:104     148:292     149:169     150:97      151:63     
       152:107     153:87      154:5       155:143     156:77      157:92     
       158:167     159:174     160:75      161:55      162:203     163:84     
       164:205     165:176     166:154     167:232     168:417     169:139    
       170:313     171:8       172:2       192:5705    193:3173    194:2332   
       195:1553    196:649     198:3942    199:3278    200:4015    201:114    
       202:5521    203:6137    204:3816    205:2030    206:2455    207:2754   
       208:2083    209:3292    210:1696    211:835     212:1188    213:1286   
       214:271     215:32      216:3581    217:1147    218:189     219:108    
       220:361     221:194     222:91     
      
      End of report