[apops] Weekly Routing Table Report

  • To: apops at apops dot net, nanog at nanog dot org, routing-wg at ripe dot net, afnog at afnog dot org
  • Subject: [apops] Weekly Routing Table Report
  • From: Routing Table Analysis <cscora at apnic dot net>
  • Date: Sat, 28 May 2005 04:06:18 +1000 (EST)
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  • Reply-to: pfs@cisco.com
    • Routing Table as seen from APNIC's router in Japan.
      Daily listings are sent to bgp-stats at lists dot apnic dot net
      
      If you have any comments please contact Philip Smith <pfs at cisco dot com>.
      
      Routing Table Report   04:00 +10GMT Sat 28 May, 2005
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              163294
          Prefixes after maximum aggregation:                           94711
          Unique aggregates announced to Internet:                      78810
      Total ASes present in the Internet Routing Table:                 19733
      Origin-only ASes present in the Internet Routing Table:           17159
      Origin ASes announcing only one prefix:                            8046
      Transit ASes present in the Internet Routing Table:                2574
      Transit-only ASes present in the Internet Routing Table:             73
      Average AS path length visible in the Internet Routing Table:       4.6
          Max AS path length visible:                                      29
      Prefixes from unregistered ASNs in the Routing Table:                18
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:             14
      Number of addresses announced to Internet:                   1411457856
          Equivalent to 84 /8s, 33 /16s and 35 /24s
          Percentage of available address space announced:               38.1
          Percentage of allocated address space announced:               59.8
          Percentage of available address space allocated:               63.7
      Total number of prefixes smaller than registry allocations:       76844
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    33542
          Total APNIC prefixes after maximum aggregation:               15723
      Prefixes being announced from the APNIC address blocks:           31454
          Unique aggregates announced from the APNIC address blocks:    15954
      APNIC Region origin ASes present in the Internet Routing Table:    2280
      APNIC Region origin ASes announcing only one prefix:                665
      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:                         17
      Number of APNIC addresses announced to Internet:              184858240
          Equivalent to 11 /8s, 4 /16s and 182 /24s
          Percentage of available APNIC address space announced:         68.6
      
      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:                     88437
          Total ARIN prefixes after maximum aggregation:                53751
      Prefixes being announced from the ARIN address blocks:            69085
          Unique aggregates announced from the ARIN address blocks:     25289
      ARIN Region origin ASes present in the Internet Routing Table:     9953
      ARIN Region origin ASes announcing only one prefix:                3625
      ARIN Region transit ASes present in the Internet Routing Table:     939
      Average ARIN Region AS path length visible:                         4.3
          Max ARIN Region AS path length visible:                          18
      Number of ARIN addresses announced to Internet:               249096448
          Equivalent to 14 /8s, 216 /16s and 233 /24s
          Percentage of available ARIN address space announced:          70.7
      
      ARIN AS Blocks         1-1876, 1902-2042, 2044-2046, 2048-2106
      (pre-ERX allocations)  2138-2584, 2615-2772, 2823-2829, 2880-3153
                             3354-4607, 4865-5119, 5632-6655, 6912-7466
                             7723-8191, 10240-12287, 13312-15359, 16384-17407
                             18432-20479, 21504-23551, 25600-26591,
                             26624-27647, 29696-30719, 31744-33791
                             35840-36863
      ARIN Address Blocks    24/8, 63/8, 64/6, 68/7, 70/6, 198/7, 204/6,
                             208/7 and 216/8
      
      RIPE Region Analysis Summary
      ----------------------------
      
      Prefixes being announced by RIPE Region ASes:                     30901
          Total RIPE prefixes after maximum aggregation:                21408
      Prefixes being announced from the RIPE address blocks:            27984
          Unique aggregates announced from the RIPE address blocks:     18858
      RIPE Region origin ASes present in the Internet Routing Table:     6687
      RIPE Region origin ASes announcing only one prefix:                3530
      RIPE Region transit ASes present in the Internet Routing Table:    1124
      Average RIPE Region AS path length visible:                         5.2
          Max RIPE Region AS path length visible:                          29
      Number of RIPE addresses announced to Internet:               206576576
          Equivalent to 12 /8s, 80 /16s and 27 /24s
          Percentage of available RIPE address space announced:          72.4
      
      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:                    8753
          Total LACNIC prefixes after maximum aggregation:               3060
      Prefixes being announced from the LACNIC address blocks:           7164
          Unique aggregates announced from the LACNIC address blocks:    4165
      LACNIC Region origin ASes present in the Internet Routing Table:    620
      LACNIC Region origin ASes announcing only one prefix:               190
      LACNIC Region transit ASes present in the Internet Routing Table:   115
      Average LACNIC Region AS path length visible:                       5.2
          Max LACNIC Region AS path length visible:                        24
      Number of LACNIC addresses announced to Internet:              18929152
          Equivalent to 1 /8s, 32 /16s and 214 /24s
          Percentage of available LACNIC address space announced:        56.4
      
      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:                   1637
          Total AfriNIC prefixes after maximum aggregation:               769
      Prefixes being announced from the AfriNIC address blocks:          1005
          Unique aggregates announced from the AfriNIC address blocks:    776
      AfriNIC Region origin ASes present in the Internet Routing Table:   125
      AfriNIC Region origin ASes announcing only one prefix:               36
      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:                       12
      Number of AfriNIC addresses announced to Internet:              2279680
          Equivalent to 0 /8s, 34 /16s and 201 /24s
          Percentage of available AfriNIC address space announced:        6.8
      
      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      919       5146         190   CHINANET-BACKBONE
       1221      753       1182         541   Telstra Pty Ltd
       9583      743         54          78   Sify Limited
       4755      604        245         123   Videsh Sanchar Nigam Ltd. Aut
       4766      591       3413         279   Korea Telecom (KIX)
       7545      499         88          72   TPG Internet Pty Ltd
      17676      432       6525          74   Softbank BB Corp.
       9443      370         77          76   Primus Telecommunications
       9929      363        221          48   China Netcom Corp.
       2907      339       1821         315   SINET Japan
      10036      323         29         290   C&M Communication Co. Ltd.
      17557      312         22         150   Pakistan Telecom
       4808      309        250         169   CNCGROUP IP network: China169
       7474      307        270         210   SingTel Optus Pty Ltd
       9498      306         83          61   BHARTI BT INTERNET LTD.
       4802      285         48         162   Wantree Development
      17974      260         65          14   PT TELEKOMUNIKASI INDONESIA
      18302      260        108         144   SK Global co., Ltd
        703      255        277         210   UUNET - Commercial IP service
       2764      254        238         199   AAPT Limited
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       7018     1486       6459         963   AT&T WorldNet Services
        174     1122       5568         969   Cogent Communications
       4323     1121        647         217   Time Warner Telecom
        721     1112      21755         312   DLA Systems Automation Center
        701     1016       8186         855   UUNET Technologies, Inc. 
       6197      911        381         466   BellSouth Network Solutions, 
       1239      892       2869         647   Sprint 
       2386      852        532         635   AT&T Data Communications Serv
      18566      812        224           7   Covad Communications 
        209      651       3505         494   Qwest 
      20115      601        507         313   Charter Communications 
       3356      571      10842         435   Level 3 Communications, LLC 
      27364      565         43          18   Armstrong Cable Services 
        852      534       1095         392   Telus Advanced Communications
       3561      531       2384         417   Savvis
       3602      525        123          99   Sprint Canada, Inc. 
       5668      488        115          25   CenturyTel Internet Holdings,
      22773      488       1188          23   Cox Communications, Inc.
       6198      467        445         210   BellSouth Network Solutions, 
       7725      450         60          15   MediaOne 
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        702      595       2002         487   UUNET - Commercial IP service
       3320      307       3233         241   Deutsche Telekom AG
       3301      296       1084         284   TeliaNet Sweden
       8220      275        469         268   COLT Telecommunications
        680      253       2041         238   DFN-IP service G-WiN
       3246      231        491         226   Song Networks
       8708      229        252         213   Romania Data Systems S.A.
       1257      199        727         175   SWIPnet Swedish IP Network
       5515      178        778         128   Sonera Solution Autonomous Sy
        786      172       1778         172   The JANET IP Service
       8866      167         21          11   Bulgarian Telecommunication C
       3269      166       1496          69   TELECOM ITALIA
       6746      166         47         145   Dynamic Network Technologies,
        719      165        340         102   LANLINK autonomous system
       5400      162        285         136   BT Ignite European Backbone
       3300      153        184          86   AUCS Communications Services 
       6830      137        513          27   UPC Distribution Services
      25186      136        137          96   France Telecom Transpac's Tra
       1273      131        171          95   Cable & Wireless Deutschland 
       9051      131          8          30   INCONET Autonomous System
      
      LACNIC Region per AS prefix count summary
      -----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       8151      373        600         151   UniNet S.A. de C.V. 
      16814      266         16           7   NSS, S.A. 
      11172      221         98          53   Servicios Alestra S.A de C.V 
      11664      194         19          22   Keytech SA 
       6147      181        102          20   Telefonica Del Peru 
       7303      148         68          21   Telecom Argentina Stet-France
      14117      136          9           5   Telefonica del Sur S.A. 
       6505      133         90          89   Global One Communicaoes Ltda 
      22047      131         96           6   VTR PUNTO NET S.A. 
      11556      130         64           3   Cable-Wireless Panama 
      19632      120         14           5   Metropolis Intercom S.A. 
      13999      113         52           9   Mega Cable S.A. de C.V. 
      18822      105          7          15   TELEFONICA MANQUEHUE 
       6503      103        146          73   AVANTEL, S.A. 
      10481      101         40           7   Prima S.A. 
      19169      101          6          18   Telconet 
      22927       97         73          25   TELEFONICA DE ARGENTINA 
      23216       93         24          23   RAMtelecom Telecomunicaciones
      21826       92         12          18   INTERCABLE 
      11311       89          8          18   Sinectis S.A. 
      
      AfriNIC Region per AS prefix count summary
      ------------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       3741      268        637         224   The Internet Solution 
       5536      119         15          17   Internet Egypt Network
       2018       92        295          86   Tertiary Education Network 
      20928       92         16           2   Noor Advanced Technologies AS
       8452       80         28           6   TEDATA
       2905       74        266          68   The Internetworking Company o
      24835       63         34           6   RAYA Telecom - Egypt
       6713       59         54           8   Itissalat Al-MAGHRIB
       9129       41          3           3   UUNET Kenya
      12455       38          6           3   Jambonet Autonomous system
       5713       36        142          29   Telkom SA Ltd 
      15475       32         84           4   Nile Online
      15706       31          8           3   Sudatel Internet Exchange Aut
       8524       24          1           4   AUCEGYPT Autonomous System
      16637       22         10          19   Johnnic e-Ventures 
      33765       20          3           8   TANZANIA TELECOMMUNICATIONS C
      10798       19          1          11   Standard Bank of South Africa
       7460       17          3           5   LIA Internet Access 
      12258       17          3          11   Vodacom Internet Company 
      21491       17          1           3   UTL On-line is RF broadband I
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
       4323      1121         904      Time Warner Telecom
      18566       812         805      Covad Communications 
        721      1112         800      DLA Systems Automation Center
       4134       919         729      CHINANET-BACKBONE
       9583       743         665      Sify Limited
      27364       565         547      Armstrong Cable Services 
       4755       604         481      Videsh Sanchar Nigam Ltd. Aut
      22773       488         465      Cox Communications, Inc.
       5668       488         463      CenturyTel Internet Holdings,
       6197       911         445      BellSouth Network Solutions, 
       7725       450         435      MediaOne 
       7545       499         427      TPG Internet Pty Ltd
       3602       525         426      Sprint Canada, Inc. 
       6467       424         390      E.Spire Communications, Inc. 
      17676       432         358      Softbank BB Corp.
       6140       410         333      ImpSat
       9929       363         315      China Netcom Corp.
       4766       591         312      Korea Telecom (KIX)
       9443       370         294      Primus Telecommunications
      20115       601         288      Charter Communications 
      
      List of Unregistered ASNs (Global)
      ----------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
      64512   PRIVATE       61.17.25.0/24         4755       Videsh Sanchar Nigam
      65009   PRIVATE       69.39.0.0/20         21803       1st Class Internet S
      65050   PRIVATE       168.96.148.0/24       6140       ImpSat
      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
      65004   PRIVATE       200.4.7.0/24         28477       Universidad Autonoma
      64512   PRIVATE       200.61.32.0/23       11664       Keytech SA 
      64512   PRIVATE       200.61.48.0/20       11664       Keytech SA 
      64512   PRIVATE       200.61.62.0/23       11664       Keytech SA 
      64512   PRIVATE       200.80.154.0/23      11664       Keytech SA 
      65005   PRIVATE       203.200.197.0/24      4755       Videsh Sanchar Nigam
      65444   PRIVATE       212.25.125.0/24       8551       Bezeq International
      
      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      /12:72      
      /13:155     /14:308     /15:599     /16:8404    /17:2563    /18:4418    
      /19:10324   /20:11215   /21:9108    /22:12567   /23:13574   /24:88998   
      /25:317     /26:273     /27:138     /28:67      /29:40      /30:81      
      /31:0       /32:28      
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
      18566      796           812      Covad Communications 
       6197      749           911      BellSouth Network Solutions, 
       7018      677          1486      AT&T WorldNet Services
       2386      602           852      AT&T Data Communications Serv
       9583      560           743      Sify Limited
      27364      556           565      Armstrong Cable Services 
       4323      536          1121      Time Warner Telecom
       7725      423           450      MediaOne 
       4766      408           591      Korea Telecom (KIX)
       5668      402           488      CenturyTel Internet Holdings,
       1239      376           892      Sprint 
        702      367           595      UUNET - Commercial IP service
       6198      339           467      BellSouth Network Solutions, 
      10036      323           323      C&M Communication Co. Ltd.
       7011      304           354      Citizens Utilities 
       6517      299           322      Yipes Communications, Inc. 
       6467      297           424      E.Spire Communications, Inc. 
       9929      282           363      China Netcom Corp.
      15270      272           292      PaeTec.net -a division of Pae
      11456      269           309      Carolina Online, Inc. 
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:3         8:13       12:1551     13:1        15:9        16:2      
        17:3        18:4        20:4        24:1144     30:2        32:68     
        33:4        38:120      40:53       44:3        47:2        52:4      
        55:2        56:3        57:21       58:89       59:39       60:45     
        61:807      62:589      63:1875     64:2791     65:2066     66:2881   
        67:577      68:520      69:1031     70:108      71:6        72:205    
        80:571      81:546      82:408      83:269      84:174      85:214    
        86:17      128:174     129:170     130:83      131:272     132:37     
       133:1       134:150     135:35      136:189     137:69      138:169    
       139:59      140:190     141:105     142:149     143:145     144:186    
       145:33      146:282     147:105     148:300     149:165     150:105    
       151:65      152:106     153:86      154:5       155:142     156:78     
       157:93      158:161     159:171     160:78      161:63      162:205    
       163:86      164:209     165:176     166:155     167:235     168:425    
       169:140     170:316     171:8       172:2       192:5697    193:3156   
       194:2387    195:1557    196:660     198:3927    199:3272    200:3897   
       201:141     202:5637    203:6239    204:3822    205:1999    206:2497   
       207:2851    208:2062    209:3306    210:1688    211:823     212:1179   
       213:1280    214:265     215:31      216:3459    217:1136    218:201    
       219:107     220:376     221:221     222:103    
      
      End of report