[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, 21 May 2005 04:06:48 +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 21 May, 2005
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              162634
          Prefixes after maximum aggregation:                           94526
          Unique aggregates announced to Internet:                      78573
      Total ASes present in the Internet Routing Table:                 19683
      Origin-only ASes present in the Internet Routing Table:           17118
      Origin ASes announcing only one prefix:                            8031
      Transit ASes present in the Internet Routing Table:                2565
      Transit-only ASes present in the Internet Routing Table:             72
      Average AS path length visible in the Internet Routing Table:       4.5
          Max AS path length visible:                                      23
      Prefixes from unregistered ASNs in the Routing Table:                 6
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:             14
      Number of addresses announced to Internet:                   1408266304
          Equivalent to 83 /8s, 240 /16s and 112 /24s
          Percentage of available address space announced:               38.0
          Percentage of allocated address space announced:               59.6
          Percentage of available address space allocated:               63.7
      Total number of prefixes smaller than registry allocations:       76383
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    33381
          Total APNIC prefixes after maximum aggregation:               15685
      Prefixes being announced from the APNIC address blocks:           31300
          Unique aggregates announced from the APNIC address blocks:    15912
      APNIC Region origin ASes present in the Internet Routing Table:    2269
      APNIC Region origin ASes announcing only one prefix:                664
      APNIC Region transit ASes present in the Internet Routing Table:    345
      Average APNIC Region AS path length visible:                        4.4
          Max APNIC Region AS path length visible:                         17
      Number of APNIC addresses announced to Internet:              183481472
          Equivalent to 10 /8s, 239 /16s and 180 /24s
          Percentage of available APNIC address space announced:         68.1
      
      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:                     88143
          Total ARIN prefixes after maximum aggregation:                53715
      Prefixes being announced from the ARIN address blocks:            68822
          Unique aggregates announced from the ARIN address blocks:     25321
      ARIN Region origin ASes present in the Internet Routing Table:     9942
      ARIN Region origin ASes announcing only one prefix:                3622
      ARIN Region transit ASes present in the Internet Routing Table:     942
      Average ARIN Region AS path length visible:                         4.3
          Max ARIN Region AS path length visible:                          18
      Number of ARIN addresses announced to Internet:               248514304
          Equivalent to 14 /8s, 208 /16s and 7 /24s
          Percentage of available ARIN address space announced:          70.5
      
      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:                     30758
          Total RIPE prefixes after maximum aggregation:                21301
      Prefixes being announced from the RIPE address blocks:            27836
          Unique aggregates announced from the RIPE address blocks:     18628
      RIPE Region origin ASes present in the Internet Routing Table:     6657
      RIPE Region origin ASes announcing only one prefix:                3514
      RIPE Region transit ASes present in the Internet Routing Table:    1117
      Average RIPE Region AS path length visible:                         5.2
          Max RIPE Region AS path length visible:                          23
      Number of RIPE addresses announced to Internet:               204993984
          Equivalent to 12 /8s, 55 /16s and 245 /24s
          Percentage of available RIPE address space announced:          71.9
      
      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:                    8707
          Total LACNIC prefixes after maximum aggregation:               3058
      Prefixes being announced from the LACNIC address blocks:           7114
          Unique aggregates announced from the LACNIC address blocks:    4142
      LACNIC Region origin ASes present in the Internet Routing Table:    622
      LACNIC Region origin ASes announcing only one prefix:               195
      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:              18896896
          Equivalent to 1 /8s, 32 /16s and 88 /24s
          Percentage of available LACNIC address space announced:        56.3
      
      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:                   1633
          Total AfriNIC prefixes after maximum aggregation:               767
      Prefixes being announced from the AfriNIC address blocks:           998
          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:              2277120
          Equivalent to 0 /8s, 34 /16s and 191 /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      908       5141         187   CHINANET-BACKBONE
       1221      752       1182         540   Telstra Pty Ltd
       9583      730         54          77   Sify Limited
       4755      602        246         124   Videsh Sanchar Nigam Ltd. Aut
       4766      592       3413         279   Korea Telecom (KIX)
       7545      497         88          71   TPG Internet Pty Ltd
      17676      431       6509          73   Softbank BB Corp.
       9443      370         77          76   Primus Telecommunications
       9929      359        197          46   China Netcom Corp.
       2907      345       1838         319   SINET Japan
      10036      321         29         288   C&M Communication Co. Ltd.
      17557      312         22         150   Pakistan Telecom
       4808      308        249         168   CNCGROUP IP network: China169
       7474      307        270         210   SingTel Optus Pty Ltd
       9498      291         83          59   BHARTI BT INTERNET LTD.
       4802      286         48         164   Wantree Development
      17974      259         65          14   PT TELEKOMUNIKASI INDONESIA
        703      256        277         211   UUNET - Commercial IP service
      18302      254        107         142   SK Global co., Ltd
       2764      252        238         197   AAPT Limited
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       7018     1486       6455         961   AT&T WorldNet Services
        174     1170       5609        1001   Cogent Communications
        721     1109      21755         312   DLA Systems Automation Center
       4323     1108        647         217   Time Warner Telecom
        701     1019       8218         858   UUNET Technologies, Inc. 
       6197      908        380         464   BellSouth Network Solutions, 
       1239      896       2869         651   Sprint 
       2386      853        532         634   AT&T Data Communications Serv
      18566      812        224           7   Covad Communications 
        209      655       3521         494   Qwest 
      20115      596        505         314   Charter Communications 
       3356      581      10842         438   Level 3 Communications, LLC 
      27364      565         43          18   Armstrong Cable Services 
       3561      533       2384         418   Savvis
        852      531       1095         391   Telus Advanced Communications
       3602      524        123          99   Sprint Canada, Inc. 
      22773      484       1188          21   Cox Communications, Inc.
       5668      473        115          25   CenturyTel Internet Holdings,
       6198      468        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       2003         487   UUNET - Commercial IP service
       3320      303       3233         237   Deutsche Telekom AG
       3301      294       1084         282   TeliaNet Sweden
       8220      274        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      200        728         176   SWIPnet Swedish IP Network
       5515      178        778         128   Sonera Solution Autonomous Sy
        786      176       1794         176   The JANET IP Service
       6746      165         47         144   Dynamic Network Technologies,
       3269      164       1488          69   TELECOM ITALIA
       8866      164         21          11   Bulgarian Telecommunication C
       5400      162        285         136   BT Ignite European Backbone
        719      160        340         102   LANLINK autonomous system
       3300      153        184          86   AUCS Communications Services 
       6830      137        513          27   UPC Distribution Services
      25186      136        137          96   France Telecom Transpac's Tra
       9051      131          8          30   INCONET Autonomous System
       2856      128       2305         116   BTnet UK Regional network
      
      LACNIC Region per AS prefix count summary
      -----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       8151      372        598         150   UniNet S.A. de C.V. 
      16814      266         16           7   NSS, S.A. 
      11172      218         98          53   Servicios Alestra S.A de C.V 
       6147      177        102          20   Telefonica Del Peru 
      11664      157         19          22   Keytech SA 
       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. 
      19632      119         14           5   Metropolis Intercom S.A. 
      13999      113         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          72   AVANTEL, S.A. 
      10481      101         40           7   Prima S.A. 
      19169      100          6          17   Telconet 
      22927       97         73          25   TELEFONICA DE ARGENTINA 
      23216       94         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
      20928       93         16           2   Noor Advanced Technologies AS
       2018       90        295          86   Tertiary Education Network 
       8452       81         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       44          3           3   UUNET Kenya
      12455       39          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 
      10798       19          1          11   Standard Bank of South Africa
      33765       19          3           8   TANZANIA TELECOMMUNICATIONS C
       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      1108         891      Time Warner Telecom
      18566       812         805      Covad Communications 
        721      1109         797      DLA Systems Automation Center
       4134       908         721      CHINANET-BACKBONE
       9583       730         653      Sify Limited
      27364       565         547      Armstrong Cable Services 
       4755       602         478      Videsh Sanchar Nigam Ltd. Aut
      22773       484         463      Cox Communications, Inc.
       5668       473         448      CenturyTel Internet Holdings,
       6197       908         444      BellSouth Network Solutions, 
       7725       450         435      MediaOne 
       7545       497         426      TPG Internet Pty Ltd
       3602       524         425      Sprint Canada, Inc. 
       6467       419         384      E.Spire Communications, Inc. 
      17676       431         358      Softbank BB Corp.
       6140       407         330      ImpSat
       4766       592         313      Korea Telecom (KIX)
       9929       359         313      China Netcom Corp.
       9443       370         294      Primus Telecommunications
      20115       596         282      Charter Communications 
      
      List of Unregistered ASNs (Global)
      ----------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
      65050   PRIVATE       168.96.148.0/24       6140       ImpSat
      64512   PRIVATE       200.61.32.0/23       11664       Keytech SA 
      64512   PRIVATE       200.61.48.0/20       11664       Keytech SA 
      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
      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      /12:70      
      /13:154     /14:306     /15:600     /16:8392    /17:2548    /18:4397    
      /19:10334   /20:11161   /21:9039    /22:12509   /23:13486   /24:88711   
      /25:288     /26:244     /27:139     /28:64      /29:39      /30:74      
      /31:0       /32:34      
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
      18566      796           812      Covad Communications 
       6197      746           908      BellSouth Network Solutions, 
       7018      680          1486      AT&T WorldNet Services
       2386      603           853      AT&T Data Communications Serv
      27364      556           565      Armstrong Cable Services 
       9583      547           730      Sify Limited
       4323      525          1108      Time Warner Telecom
       7725      423           450      MediaOne 
       4766      409           592      Korea Telecom (KIX)
       5668      394           473      CenturyTel Internet Holdings,
       1239      377           896      Sprint 
        702      366           595      UUNET - Commercial IP service
       6198      340           468      BellSouth Network Solutions, 
      10036      321           321      C&M Communication Co. Ltd.
       6517      299           322      Yipes Communications, Inc. 
       7011      299           349      Citizens Utilities 
       6467      297           419      E.Spire Communications, Inc. 
       9929      280           359      China Netcom Corp.
      11456      280           321      Carolina Online, Inc. 
      15270      264           284      PaeTec.net -a division of Pae
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:3         8:13       12:1548     13:1        15:9        16:2      
        17:3        18:4        20:4        24:1135     30:2        32:68     
        33:4        38:117      40:53       44:3        47:2        52:4      
        55:2        56:3        57:22       58:88       59:37       60:36     
        61:796      62:610      63:1881     64:2742     65:2068     66:2873   
        67:575      68:529      69:1027     70:108      71:8        72:197    
        80:567      81:545      82:410      83:262      84:182      85:202    
        86:15      128:148     129:174     130:83      131:280     132:36     
       133:1       134:151     135:40      136:189     137:64      138:169    
       139:57      140:193     141:105     142:149     143:145     144:186    
       145:33      146:282     147:106     148:297     149:165     150:97     
       151:65      152:106     153:86      154:5       155:143     156:78     
       157:95      158:159     159:169     160:89      161:72      162:205    
       163:87      164:207     165:174     166:156     167:231     168:424    
       169:140     170:316     171:8       172:2       192:5717    193:3142   
       194:2376    195:1554    196:657     198:3931    199:3281    200:3914   
       201:134     202:5595    203:6211    204:3829    205:2017    206:2473   
       207:2793    208:2056    209:3286    210:1682    211:826     212:1155   
       213:1277    214:265     215:30      216:3446    217:1138    218:200    
       219:106     220:372     221:218     222:103    
      
      End of report