[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, 14 May 2005 04:12:08 +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 14 May, 2005
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              162108
          Prefixes after maximum aggregation:                           94259
          Unique aggregates announced to Internet:                      78235
      Total ASes present in the Internet Routing Table:                 19652
      Origin-only ASes present in the Internet Routing Table:           17086
      Origin ASes announcing only one prefix:                            8015
      Transit ASes present in the Internet Routing Table:                2566
      Transit-only ASes present in the Internet Routing Table:             71
      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:                14
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:             33
      Number of addresses announced to Internet:                   1391460672
          Equivalent to 82 /8s, 240 /16s and 1 /24s
          Percentage of available address space announced:               37.5
          Percentage of allocated address space announced:               58.9
          Percentage of available address space allocated:               63.7
      Total number of prefixes smaller than registry allocations:       76090
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    33164
          Total APNIC prefixes after maximum aggregation:               15592
      Prefixes being announced from the APNIC address blocks:           31094
          Unique aggregates announced from the APNIC address blocks:    15795
      APNIC Region origin ASes present in the Internet Routing Table:    2265
      APNIC Region origin ASes announcing only one prefix:                664
      APNIC Region transit ASes present in the Internet Routing Table:    342
      Average APNIC Region AS path length visible:                        4.4
          Max APNIC Region AS path length visible:                         15
      Number of APNIC addresses announced to Internet:              182890112
          Equivalent to 10 /8s, 230 /16s and 174 /24s
          Percentage of available APNIC address space announced:         67.9
      
      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:                     87932
          Total ARIN prefixes after maximum aggregation:                53612
      Prefixes being announced from the ARIN address blocks:            68656
          Unique aggregates announced from the ARIN address blocks:     25198
      ARIN Region origin ASes present in the Internet Routing Table:     9936
      ARIN Region origin ASes announcing only one prefix:                3619
      ARIN Region transit ASes present in the Internet Routing Table:     944
      Average ARIN Region AS path length visible:                         4.3
          Max ARIN Region AS path length visible:                          23
      Number of ARIN addresses announced to Internet:               247977984
          Equivalent to 14 /8s, 199 /16s and 216 /24s
          Percentage of available ARIN address space announced:          70.4
      
      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:                     30781
          Total RIPE prefixes after maximum aggregation:                21276
      Prefixes being announced from the RIPE address blocks:            27830
          Unique aggregates announced from the RIPE address blocks:     18584
      RIPE Region origin ASes present in the Internet Routing Table:     6644
      RIPE Region origin ASes announcing only one prefix:                3500
      RIPE Region transit ASes present in the Internet Routing Table:    1119
      Average RIPE Region AS path length visible:                         5.2
          Max RIPE Region AS path length visible:                          23
      Number of RIPE addresses announced to Internet:               205021632
          Equivalent to 12 /8s, 56 /16s and 97 /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:                    8623
          Total LACNIC prefixes after maximum aggregation:               3013
      Prefixes being announced from the LACNIC address blocks:           7049
          Unique aggregates announced from the LACNIC address blocks:    4101
      LACNIC Region origin ASes present in the Internet Routing Table:    617
      LACNIC Region origin ASes announcing only one prefix:               196
      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:              18751744
          Equivalent to 1 /8s, 30 /16s and 33 /24s
          Percentage of available LACNIC address space announced:        55.9
      
      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:                   1588
          Total AfriNIC prefixes after maximum aggregation:               766
      Prefixes being announced from the AfriNIC address blocks:           972
          Unique aggregates announced from the AfriNIC address blocks:    773
      AfriNIC Region origin ASes present in the Internet Routing Table:   124
      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:                       13
      Number of AfriNIC addresses announced to Internet:              2272256
          Equivalent to 0 /8s, 34 /16s and 172 /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      906       5136         185   CHINANET-BACKBONE
       1221      757       1182         543   Telstra Pty Ltd
       9583      735         54          75   Sify Limited
       4755      590        244         123   Videsh Sanchar Nigam Ltd. Aut
       4766      590       3413         279   Korea Telecom (KIX)
       7545      495         88          72   TPG Internet Pty Ltd
      17676      431       6509          73   Softbank BB Corp.
       9443      370         77          76   Primus Telecommunications
       9929      360        197          46   China Netcom Corp.
       2907      345       1838         319   SINET Japan
      10036      317         29         286   C&M Communication Co. Ltd.
      17557      311         22         149   Pakistan Telecom
       4808      309        251         169   CNCGROUP IP network: China169
       7474      303        270         208   SingTel Optus Pty Ltd
       9498      296         83          59   BHARTI BT INTERNET LTD.
       4802      281         47         166   Wantree Development
      17974      258         65          14   PT TELEKOMUNIKASI INDONESIA
        703      255        277         210   UUNET - Commercial IP service
       2764      253        238         198   AAPT Limited
      18302      247         75         141   SK Global co., Ltd
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       7018     1489       6486         953   AT&T WorldNet Services
        174     1179       5611        1009   Cogent Communications
        721     1115      21755         312   DLA Systems Automation Center
       4323     1105        648         218   Time Warner Telecom
        701     1004       8233         856   UUNET Technologies, Inc. 
       6197      905        378         461   BellSouth Network Solutions, 
       1239      899       2869         651   Sprint 
       2386      853        533         633   AT&T Data Communications Serv
      18566      806        224           7   Covad Communications 
        209      655       3521         495   Qwest 
      20115      594        503         312   Charter Communications 
       3356      578      10833         436   Level 3 Communications, LLC 
      27364      565         43          18   Armstrong Cable Services 
       3561      537       2400         421   Savvis
        852      531       1095         391   Telus Advanced Communications
       3602      513        122          97   Sprint Canada, Inc. 
       5668      487        115          25   CenturyTel Internet Holdings,
      22773      483       1188          21   Cox Communications, Inc.
       6198      465        382         219   BellSouth Network Solutions, 
       7725      449         60          15   MediaOne 
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        702      596       2003         488   UUNET - Commercial IP service
       3320      303       3233         237   Deutsche Telekom AG
       3301      292       1084         281   TeliaNet Sweden
       8220      272        469         266   COLT Telecommunications
        680      253       2041         238   DFN-IP service G-WiN
       3246      232        491         227   Song Networks
       8708      229        252         212   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      161        285         135   BT Ignite European Backbone
        719      159        340         101   LANLINK autonomous system
       3300      155        185          88   AUCS Communications Services 
      25186      138        137          98   France Telecom Transpac's Tra
       6830      137        513          27   UPC Distribution Services
       9051      128          8          34   INCONET Autonomous System
       2856      127       2304         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      266         16           7   NSS, S.A. 
      11172      225         99          54   Servicios Alestra S.A de C.V 
       6147      177        102          20   Telefonica Del Peru 
      11664      153         19          22   Keytech SA 
       7303      148         68          21   Telecom Argentina Stet-France
      14117      136          9           5   Telefonica del Sur S.A. 
       6505      131         90          88   Global One Communicaoes Ltda 
      22047      131         96           6   VTR PUNTO NET S.A. 
      19632      119         14           5   Metropolis Intercom S.A. 
      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      103        146          73   AVANTEL, S.A. 
      19169       99          6          16   Telconet 
      10481       98         40           7   Prima S.A. 
      21826       92         12          18   INTERCABLE 
      22927       92         65          22   TELEFONICA DE ARGENTINA 
      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
      20928       93         16           2   Noor Advanced Technologies AS
       2018       90        295          86   Tertiary Education Network 
       2905       74        266          68   The Internetworking Company o
       8452       71         28           6   TEDATA
      24835       63         34           6   RAYA Telecom - Egypt
       9129       44          3           3   UUNET Kenya
      12455       39          6           3   Jambonet Autonomous system
       5713       36        142          29   Telkom SA Ltd 
       6713       35         54           9   Itissalat Al-MAGHRIB
      15706       31          8           3   Sudatel Internet Exchange Aut
       2609       26         26           3   Tunisia BackBone AS
       8524       25          1           4   AUCEGYPT Autonomous System
      15475       24         84           4   Nile Online
      16637       22         10          19   Johnnic e-Ventures 
      10798       19          1          11   Standard Bank of South Africa
      33765       19          3           8   TANZANIA TELECOMMUNICATIONS C
       7460       17          3           5   LIA Internet Access 
      12258       17          3          11   Vodacom Internet Company 
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
       4323      1105         887      Time Warner Telecom
        721      1115         803      DLA Systems Automation Center
      18566       806         799      Covad Communications 
       4134       906         721      CHINANET-BACKBONE
       9583       735         660      Sify Limited
      27364       565         547      Armstrong Cable Services 
       4755       590         467      Videsh Sanchar Nigam Ltd. Aut
       5668       487         462      CenturyTel Internet Holdings,
      22773       483         462      Cox Communications, Inc.
       6197       905         444      BellSouth Network Solutions, 
       7725       449         434      MediaOne 
       7545       495         423      TPG Internet Pty Ltd
       3602       513         416      Sprint Canada, Inc. 
       6467       419         384      E.Spire Communications, Inc. 
      17676       431         358      Softbank BB Corp.
       6140       402         329      ImpSat
       9929       360         314      China Netcom Corp.
       4766       590         311      Korea Telecom (KIX)
       9443       370         294      Primus Telecommunications
       6478       415         289      AT&T Worldnet Services 
      
      List of Unregistered ASNs (Global)
      ----------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
      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
      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
      172.1.0.0/16         12956     Telefonica Data Autonomous Sy
      172.2.0.0/16         12956     Telefonica Data Autonomous Sy
      172.3.0.0/16         12956     Telefonica Data Autonomous Sy
      172.4.0.0/16         12956     Telefonica Data Autonomous Sy
      172.5.0.0/16         12956     Telefonica Data Autonomous Sy
      172.6.0.0/16         12956     Telefonica Data Autonomous Sy
      172.7.0.0/16         12956     Telefonica Data Autonomous Sy
      172.8.0.0/16         12956     Telefonica Data Autonomous Sy
      172.9.0.0/16         12956     Telefonica Data Autonomous Sy
      172.10.0.0/16        12956     Telefonica Data Autonomous Sy
      172.11.0.0/16        12956     Telefonica Data Autonomous Sy
      172.12.0.0/16        12956     Telefonica Data Autonomous Sy
      172.13.0.0/16        12956     Telefonica Data Autonomous Sy
      172.14.0.0/16        12956     Telefonica Data Autonomous Sy
      172.15.0.0/16        12956     Telefonica Data Autonomous Sy
      172.32.0.0/24         7011     Citizens Utilities 
      172.50.0.0/16        12956     Telefonica Data Autonomous Sy
      172.51.0.0/16        12956     Telefonica Data Autonomous Sy
      172.52.0.0/16        12956     Telefonica Data Autonomous Sy
      172.74.0.0/16        12956     Telefonica Data Autonomous Sy
      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      /12:70      
      /13:156     /14:306     /15:599     /16:8407    /17:2550    /18:4377    
      /19:10319   /20:11111   /21:9001    /22:12466   /23:13410   /24:88429   
      /25:279     /26:242     /27:136     /28:67      /29:38      /30:71      
      /31:0       /32:30      
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
      18566      790           806      Covad Communications 
       6197      744           905      BellSouth Network Solutions, 
       7018      677          1489      AT&T WorldNet Services
       2386      603           853      AT&T Data Communications Serv
      27364      556           565      Armstrong Cable Services 
       9583      551           735      Sify Limited
       4323      523          1105      Time Warner Telecom
       7725      422           449      MediaOne 
       4766      407           590      Korea Telecom (KIX)
       5668      402           487      CenturyTel Internet Holdings,
       1239      378           899      Sprint 
        702      368           596      UUNET - Commercial IP service
       6198      342           465      BellSouth Network Solutions, 
      10036      317           317      C&M Communication Co. Ltd.
       6467      300           419      E.Spire Communications, Inc. 
       6517      300           323      Yipes Communications, Inc. 
       7011      298           348      Citizens Utilities 
       9929      281           360      China Netcom Corp.
      11456      278           319      Carolina Online, Inc. 
      15270      259           279      PaeTec.net -a division of Pae
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:3         8:13       12:1531     13:1        15:9        16:2      
        17:3        18:4        20:4        24:1123     30:2        32:69     
        33:4        38:114      40:53       44:3        47:2        52:4      
        55:2        56:3        57:21       58:47       59:32       60:33     
        61:796      62:609      63:1881     64:2717     65:2072     66:2850   
        67:577      68:528      69:1014     70:105      71:17       72:175    
        80:570      81:549      82:404      83:263      84:178      85:194    
        86:9       128:152     129:160     130:82      131:277     132:35     
       133:1       134:148     135:40      136:189     137:65      138:169    
       139:57      140:191     141:105     142:153     143:142     144:182    
       145:33      146:281     147:108     148:291     149:165     150:97     
       151:65      152:106     153:86      154:5       155:144     156:78     
       157:92      158:161     159:174     160:77      161:65      162:203    
       163:82      164:207     165:175     166:154     167:233     168:423    
       169:140     170:315     171:8       172:2       192:5705    193:3199   
       194:2361    195:1558    196:655     198:3935    199:3277    200:3907   
       201:128     202:5554    203:6178    204:3822    205:2016    206:2476   
       207:2786    208:2064    209:3294    210:1689    211:829     212:1142   
       213:1281    214:266     215:31      216:3439    217:1133    218:198    
       219:105     220:377     221:214     222:102    
      
      End of report