[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, 7 May 2005 04:06:43 +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 07 May, 2005
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              161467
          Prefixes after maximum aggregation:                           93967
          Unique aggregates announced to Internet:                      77882
      Total ASes present in the Internet Routing Table:                 19588
      Origin-only ASes present in the Internet Routing Table:           17034
      Origin ASes announcing only one prefix:                            7990
      Transit ASes present in the Internet Routing Table:                2554
      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:                                      29
      Prefixes from unregistered ASNs in the Routing Table:                14
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:             15
      Number of addresses announced to Internet:                   1421415488
          Equivalent to 84 /8s, 185 /16s and 20 /24s
          Percentage of available address space announced:               38.3
          Percentage of allocated address space announced:               60.2
          Percentage of available address space allocated:               63.7
      Total number of prefixes smaller than registry allocations:       75659
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    33075
          Total APNIC prefixes after maximum aggregation:               15569
      Prefixes being announced from the APNIC address blocks:           30999
          Unique aggregates announced from the APNIC address blocks:    15721
      APNIC Region origin ASes present in the Internet Routing Table:    2262
      APNIC Region origin ASes announcing only one prefix:                660
      APNIC Region transit ASes present in the Internet Routing Table:    341
      Average APNIC Region AS path length visible:                        4.4
          Max APNIC Region AS path length visible:                         15
      Number of APNIC addresses announced to Internet:              182688640
          Equivalent to 10 /8s, 227 /16s and 155 /24s
          Percentage of available APNIC address space announced:         67.8
      
      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:                     87571
          Total ARIN prefixes after maximum aggregation:                53451
      Prefixes being announced from the ARIN address blocks:            68378
          Unique aggregates announced from the ARIN address blocks:     25130
      ARIN Region origin ASes present in the Internet Routing Table:     9913
      ARIN Region origin ASes announcing only one prefix:                3615
      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:                          17
      Number of ARIN addresses announced to Internet:               247708160
          Equivalent to 14 /8s, 195 /16s and 186 /24s
          Percentage of available ARIN address space announced:          70.3
      
      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:                     30610
          Total RIPE prefixes after maximum aggregation:                21161
      Prefixes being announced from the RIPE address blocks:            27670
          Unique aggregates announced from the RIPE address blocks:     18469
      RIPE Region origin ASes present in the Internet Routing Table:     6612
      RIPE Region origin ASes announcing only one prefix:                3488
      RIPE Region transit ASes present in the Internet Routing Table:    1113
      Average RIPE Region AS path length visible:                         5.1
          Max RIPE Region AS path length visible:                          29
      Number of RIPE addresses announced to Internet:               203457472
          Equivalent to 12 /8s, 32 /16s and 131 /24s
          Percentage of available RIPE address space announced:          71.3
      
      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:                    8644
          Total LACNIC prefixes after maximum aggregation:               3024
      Prefixes being announced from the LACNIC address blocks:           7061
          Unique aggregates announced from the LACNIC address blocks:    4080
      LACNIC Region origin ASes present in the Internet Routing Table:    612
      LACNIC Region origin ASes announcing only one prefix:               192
      LACNIC Region transit ASes present in the Internet Routing Table:   114
      Average LACNIC Region AS path length visible:                       5.2
          Max LACNIC Region AS path length visible:                        23
      Number of LACNIC addresses announced to Internet:              18604800
          Equivalent to 1 /8s, 27 /16s and 227 /24s
          Percentage of available LACNIC address space announced:        55.4
      
      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:                   1547
          Total AfriNIC prefixes after maximum aggregation:               762
      Prefixes being announced from the AfriNIC address blocks:           945
          Unique aggregates announced from the AfriNIC address blocks:    749
      AfriNIC Region origin ASes present in the Internet Routing Table:   123
      AfriNIC Region origin ASes announcing only one prefix:               35
      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:              2228736
          Equivalent to 0 /8s, 34 /16s and 2 /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      897       5035         183   CHINANET-BACKBONE
       1221      772       1188         546   Telstra Pty Ltd
       9583      732         53          75   Sify Limited
       4755      593        243         124   Videsh Sanchar Nigam Ltd. Aut
       4766      587       3412         276   Korea Telecom (KIX)
       7545      495         86          72   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      318         23         153   Pakistan Telecom
      10036      311         28         282   C&M Communication Co. Ltd.
       4808      309        251         169   CNCGROUP IP network: China169
       7474      298        268         208   SingTel Optus Pty Ltd
       9498      293         83          59   BHARTI BT INTERNET LTD.
       4802      279         47         164   Wantree Development
        703      257        279         212   UUNET - Commercial IP service
       2764      252        238         197   AAPT Limited
      17974      249         65          14   PT TELEKOMUNIKASI INDONESIA
       9800      238        386          69   CHINA UNICOM
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       7018     1482       6502         961   AT&T WorldNet Services
        174     1182       5612        1012   Cogent Communications
        721     1117      21763         313   DLA Systems Automation Center
       4323     1102        664         221   Time Warner Telecom
        701     1011       8250         861   UUNET Technologies, Inc. 
       1239      906       2869         656   Sprint 
       6197      903        370         454   BellSouth Network Solutions, 
       2386      850        532         630   AT&T Data Communications Serv
      18566      803        224           7   Covad Communications 
        209      652       3456         493   Qwest 
      20115      595        504         310   Charter Communications 
       3356      586      10836         441   Level 3 Communications, LLC 
       3561      543       2360         416   Savvis
      27364      539         43          18   Armstrong Cable Services 
        852      529       1095         390   Telus Advanced Communications
       3602      508        122          95   Sprint Canada, Inc. 
       5668      486        115          25   CenturyTel Internet Holdings,
      22773      483       1188          21   Cox Communications, Inc.
       6198      465        382         219   BellSouth Network Solutions, 
       7132      445       8798         379   SBC Internet Services
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        702      593       2003         485   UUNET - Commercial IP service
       3320      304       3249         238   Deutsche Telekom AG
       3301      296       1116         286   TeliaNet Sweden
       8220      272        468         266   COLT Telecommunications
        680      253       2041         238   DFN-IP service G-WiN
       3246      232        491         227   Song Networks
       8708      226        252         210   Romania Data Systems S.A.
       1257      200        728         176   SWIPnet Swedish IP Network
       5515      178        778         128   Sonera Solution Autonomous Sy
        786      176       1794         176   The JANET IP Service
       3269      164       1488          69   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      374        598         148   UniNet S.A. de C.V. 
      16814      266         16           7   NSS, S.A. 
      11172      224         99          54   Servicios Alestra S.A de C.V 
       6147      197        102          20   Telefonica Del Peru 
      11664      155         19          22   Keytech SA 
       7303      148         68          21   Telecom Argentina Stet-France
      14117      135          8           4   Telefonica del Sur S.A. 
      22047      132         96           6   VTR PUNTO NET S.A. 
       6505      130         90          87   Global One Communicaoes Ltda 
      13999      112         52           9   Mega Cable S.A. de C.V. 
      11556      111         55           7   Cable-Wireless Panama 
      18822      105          7          15   TELEFONICA MANQUEHUE 
       6503      102        146          73   AVANTEL, S.A. 
      10481      101         40           7   Prima S.A. 
      19169       99          6          16   Telconet 
      19632       93         14           5   Metropolis Intercom S.A. 
      22927       92         65          22   TELEFONICA DE ARGENTINA 
      21826       90         12          18   INTERCABLE 
      11311       89          8          18   Sinectis S.A. 
      23216       89         24          23   RAMtelecom Telecomunicaciones
      
      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       91        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       62         34           6   RAYA Telecom - Egypt
       9129       45          3           3   UUNET Kenya
      12455       38          6           3   Jambonet Autonomous system
       5713       35        141          28   Telkom SA Ltd 
       6713       35         54           9   Itissalat Al-MAGHRIB
       8524       24          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
      33765       19          3           8   TANZANIA TELECOMMUNICATIONS C
       7460       18          3           5   LIA Internet Access 
       2609       17         26           3   Tunisia BackBone AS
      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      1102         881      Time Warner Telecom
        721      1117         804      DLA Systems Automation Center
      18566       803         796      Covad Communications 
       4134       897         714      CHINANET-BACKBONE
       9583       732         657      Sify Limited
      27364       539         521      Armstrong Cable Services 
       4755       593         469      Videsh Sanchar Nigam Ltd. Aut
      22773       483         462      Cox Communications, Inc.
       5668       486         461      CenturyTel Internet Holdings,
       6197       903         449      BellSouth Network Solutions, 
       7545       495         423      TPG Internet Pty Ltd
       3602       508         413      Sprint Canada, Inc. 
       7725       415         400      MediaOne 
       6467       429         394      E.Spire Communications, Inc. 
      17676       431         358      Softbank BB Corp.
       6140       398         326      ImpSat
       9929       361         315      China Netcom Corp.
       4766       587         311      Korea Telecom (KIX)
       9443       370         294      Primus Telecommunications
       6478       416         293      AT&T Worldnet Services 
      
      List of Unregistered ASNs (Global)
      ----------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
      65424   PRIVATE       66.225.194.0/24      23352       Server Central Netwo
      65424   PRIVATE       66.225.194.0/23      23352       Server Central Netwo
      65424   PRIVATE       66.225.195.0/24      23352       Server Central Netwo
      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 
      
      Advertised Unallocated Addresses
      --------------------------------
      
      Network            Origin AS  Description
      1.0.0.0/8              705     UUNET Technologies, Inc. 
      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        /8:20       /9:3       /10:8       /11:15      /12:69      
      /13:154     /14:308     /15:585     /16:8376    /17:2537    /18:4368    
      /19:10270   /20:11102   /21:8989    /22:12398   /23:13374   /24:88016   
      /25:275     /26:246     /27:138     /28:76      /29:38      /30:70      
      /31:0       /32:32      
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
      18566      787           803      Covad Communications 
       6197      742           903      BellSouth Network Solutions, 
       7018      672          1482      AT&T WorldNet Services
       2386      603           850      AT&T Data Communications Serv
       9583      548           732      Sify Limited
      27364      528           539      Armstrong Cable Services 
       4323      517          1102      Time Warner Telecom
       4766      405           587      Korea Telecom (KIX)
       5668      403           486      CenturyTel Internet Holdings,
       7725      388           415      MediaOne 
       1239      379           906      Sprint 
        702      365           593      UUNET - Commercial IP service
       6198      342           465      BellSouth Network Solutions, 
      10036      311           311      C&M Communication Co. Ltd.
       6467      307           429      E.Spire Communications, Inc. 
       6517      298           321      Yipes Communications, Inc. 
       7011      297           347      Citizens Utilities 
       9929      282           361      China Netcom Corp.
      11456      278           320      Carolina Online, Inc. 
      15270      259           279      PaeTec.net -a division of Pae
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:4         8:12       12:1531     13:1        15:9        16:2      
        17:3        18:4        20:4        24:1072     30:2        32:69     
        33:4        38:113      40:53       44:3        47:2        52:4      
        55:2        56:3        57:23       58:42       59:28       60:22     
        61:788      62:604      63:1871     64:2685     65:2068     66:2816   
        67:577      68:527      69:1007     70:100      71:6        72:175    
        80:564      81:546      82:392      83:257      84:168      85:192    
        86:8       128:145     129:158     130:85      131:279     132:34     
       133:1       134:147     135:40      136:185     137:65      138:171    
       139:55      140:192     141:106     142:148     143:133     144:168    
       145:32      146:280     147:105     148:294     149:169     150:97     
       151:65      152:106     153:86      154:5       155:141     156:77     
       157:92      158:161     159:175     160:77      161:64      162:203    
       163:82      164:207     165:175     166:154     167:233     168:421    
       169:139     170:311     171:8       172:2       192:5702    193:3174   
       194:2331    195:1553    196:650     198:3914    199:3267    200:3916   
       201:124     202:5556    203:6172    204:3810    205:2016    206:2473   
       207:2758    208:2050    209:3288    210:1690    211:830     212:1142   
       213:1281    214:265     215:33      216:3463    217:1133    218:198    
       219:106     220:380     221:209     222:96     
      
      End of report