[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, 2 Jul 2005 04:06:40 +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 02 Jul, 2005
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              165847
          Prefixes after maximum aggregation:                           95922
          Unique aggregates announced to Internet:                      80434
      Total ASes present in the Internet Routing Table:                 19971
      Origin-only ASes present in the Internet Routing Table:           17403
      Origin ASes announcing only one prefix:                            8195
      Transit ASes present in the Internet Routing Table:                2568
      Transit-only ASes present in the Internet Routing Table:             73
      Average AS path length visible in the Internet Routing Table:       4.5
          Max AS path length visible:                                      30
      Prefixes from unregistered ASNs in the Routing Table:                15
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:             15
      Number of addresses announced to Internet:                   1389927648
          Equivalent to 82 /8s, 216 /16s and 156 /24s
          Percentage of available address space announced:               37.5
          Percentage of allocated address space announced:               56.5
          Percentage of available address space allocated:               66.4
      Total number of prefixes smaller than registry allocations:       78553
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    34455
          Total APNIC prefixes after maximum aggregation:               16088
      Prefixes being announced from the APNIC address blocks:           32278
          Unique aggregates announced from the APNIC address blocks:    16386
      APNIC Region origin ASes present in the Internet Routing Table:    2298
      APNIC Region origin ASes announcing only one prefix:                673
      APNIC Region transit ASes present in the Internet Routing Table:    351
      Average APNIC Region AS path length visible:                        4.5
          Max APNIC Region AS path length visible:                         19
      Number of APNIC addresses announced to Internet:              188395392
          Equivalent to 11 /8s, 58 /16s and 175 /24s
          Percentage of available APNIC address space announced:         69.9
      
      APNIC AS Blocks        4608-4864, 7467-7722, 9216-10239, 17408-18431
      (pre-ERX allocations)  23552-24575, 37888-38911
      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:                     89015
          Total ARIN prefixes after maximum aggregation:                54188
      Prefixes being announced from the ARIN address blocks:            69548
          Unique aggregates announced from the ARIN address blocks:     25639
      ARIN Region origin ASes present in the Internet Routing Table:    10038
      ARIN Region origin ASes announcing only one prefix:                3696
      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:                          17
      Number of ARIN addresses announced to Internet:               251615744
          Equivalent to 14 /8s, 255 /16s and 90 /24s
          Percentage of available ARIN address space announced:          62.5
      
      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, 74/7, 76/8,
                             198/7, 204/6, 208/7 and 216/8
      
      RIPE Region Analysis Summary
      ----------------------------
      
      Prefixes being announced by RIPE Region ASes:                     31643
          Total RIPE prefixes after maximum aggregation:                21750
      Prefixes being announced from the RIPE address blocks:            28788
          Unique aggregates announced from the RIPE address blocks:     19330
      RIPE Region origin ASes present in the Internet Routing Table:     6816
      RIPE Region origin ASes announcing only one prefix:                3596
      RIPE Region transit ASes present in the Internet Routing Table:    1112
      Average RIPE Region AS path length visible:                         5.2
          Max RIPE Region AS path length visible:                          30
      Number of RIPE addresses announced to Internet:               210742848
          Equivalent to 12 /8s, 143 /16s and 174 /24s
          Percentage of available RIPE address space announced:          62.8
      
      RIPE AS Blocks         1877-1901, 2043, 2047, 2107-2136, 2585-2614
      (pre-ERX allocations)  2773-2822, 2830-2879, 3154-3353, 5377-5631
                             6656-6911, 8192-9215, 12288-13311, 15360-16383
                             20480-21503, 24576-25599, 28672-29695
                             30720-31743, 33792-35839
      RIPE Address Blocks    62/8, 80/5, 88/6, 188/8, 193/8, 194/7, 212/7
                             and 217/8
      
      LACNIC Region Analysis Summary
      ------------------------------
      
      Prefixes being announced by LACNIC Region ASes:                    9047
          Total LACNIC prefixes after maximum aggregation:               3125
      Prefixes being announced from the LACNIC address blocks:           7430
          Unique aggregates announced from the LACNIC address blocks:    4343
      LACNIC Region origin ASes present in the Internet Routing Table:    621
      LACNIC Region origin ASes announcing only one prefix:               191
      LACNIC Region transit ASes present in the Internet Routing Table:   114
      Average LACNIC Region AS path length visible:                       5.1
          Max LACNIC Region AS path length visible:                        21
      Number of LACNIC addresses announced to Internet:              20414752
          Equivalent to 1 /8s, 55 /16s and 129 /24s
          Percentage of available LACNIC address space announced:        30.4
      
      LACNIC AS Blocks       26592-26623, 27648-28671, plus ERX transfers
      LACNIC Address Blocks  189/8, 190/8, 200/7
      
      AfriNIC Region Analysis Summary
      -------------------------------
      
      Prefixes being announced by AfriNIC Region ASes:                   1666
          Total AfriNIC prefixes after maximum aggregation:               771
      Prefixes being announced from the AfriNIC address blocks:          1020
          Unique aggregates announced from the AfriNIC address blocks:    782
      AfriNIC Region origin ASes present in the Internet Routing Table:   131
      AfriNIC Region origin ASes announcing only one prefix:               39
      AfriNIC Region transit ASes present in the Internet Routing Table:   17
      Average AfriNIC Region AS path length visible:                      4.6
          Max AfriNIC Region AS path length visible:                       12
      Number of AfriNIC addresses announced to Internet:              2306560
          Equivalent to 0 /8s, 35 /16s and 50 /24s
          Percentage of available AfriNIC address space announced:        6.9
      
      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      922       5150         193   CHINANET-BACKBONE
       1221      759       1454         535   Telstra Pty Ltd
       9583      756         55          81   Sify Limited
       4755      647        248         146   Videsh Sanchar Nigam Ltd. Aut
       4766      591       3413         279   Korea Telecom (KIX)
       7545      501        104          72   TPG Internet Pty Ltd
      17676      436       6589          75   Softbank BB Corp.
       9929      378        223          49   China Netcom Corp.
       9443      374         77          76   Primus Telecommunications
      10036      346         65         310   C&M Communication Co. Ltd.
       2907      338       1805         315   SINET Japan
       9498      323         83          60   BHARTI BT INTERNET LTD.
      17557      320         23         162   Pakistan Telecom
       7474      312        272         215   SingTel Optus Pty Ltd
       4802      287         50         164   Wantree Development
       4808      282        243         159   CNCGROUP IP network: China169
       9837      280         80         184   Powertel Ltd
      18302      271        109         155   SK Global co., Ltd
      17974      267         65          14   PT TELEKOMUNIKASI INDONESIA
      17488      258         15          18   Hathway IP Over Cable Interne
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       7018     1491       6430         966   AT&T WorldNet Services
        174     1136       5788        1060   Cogent Communications
       4323     1128        632         218   Time Warner Telecom
        721     1109      21787         313   DLA Systems Automation Center
        701     1013       8168         855   UUNET Technologies, Inc. 
       6197      933        519         434   BellSouth Network Solutions, 
       1239      882       2899         635   Sprint 
       2386      882        526         649   AT&T Data Communications Serv
      18566      825        224           7   Covad Communications 
      20115      650        498         321   Charter Communications 
        209      627       3506         495   Qwest 
       3356      557      10775         426   Level 3 Communications, LLC 
      27364      555         44          18   Armstrong Cable Services 
       3602      542        123         104   Sprint Canada, Inc. 
        852      540       1093         387   Telus Advanced Communications
       3561      539       2385         423   Savvis
      22773      498       1188          23   Cox Communications, Inc.
       7725      497         60          15   MediaOne 
       5668      488        114          25   CenturyTel Internet Holdings,
       6198      464        425         220   BellSouth Network Solutions, 
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        702      592       1999         483   UUNET - Commercial IP service
       3320      305       3232         242   Deutsche Telekom AG
       3301      299       1081         286   TeliaNet Sweden
       8220      268        469         263   COLT Telecommunications
        680      244       2041         240   DFN-IP service G-WiN
       8708      231        254         213   Romania Data Systems S.A.
       3246      225        488         220   Song Networks
       1257      194        712         172   SWIPnet Swedish IP Network
       5515      180        778         127   Sonera Solution Autonomous Sy
        786      175       1794         175   The JANET IP Service
       5400      171        286         146   BT Ignite European Backbone
       6746      171         48         149   Dynamic Network Technologies,
       3269      169       1520          72   TELECOM ITALIA
        719      168        340         100   LANLINK autonomous system
       8866      159         21          11   Bulgarian Telecommunication C
       3300      154        184          87   AUCS Communications Services 
       6830      149        537          31   UPC Distribution Services
       9121      145        274          41   TTnet Autonomous System
      25186      140        145          97   France Telecom Transpac's Tra
       3352      138       1272          35   Ibernet, Internet Access Netw
      
      LACNIC Region per AS prefix count summary
      -----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       8151      377        600         162   UniNet S.A. de C.V. 
      16814      264         16          12   NSS, S.A. 
      11172      226         99          57   Servicios Alestra S.A de C.V 
      11664      203         19          23   Keytech SA 
       6147      197        110          21   Telefonica Del Peru 
      14117      152          9           5   Telefonica del Sur S.A. 
       7303      150         69          18   Telecom Argentina Stet-France
      19632      140         14           5   Metropolis Intercom S.A. 
      22047      133        112           7   VTR PUNTO NET S.A. 
       6505      131         90          88   Global One Communicaoes Ltda 
      11556      131         64           3   Cable-Wireless Panama 
      19169      114          7          21   Telconet 
      18822      110          7          14   TELEFONICA MANQUEHUE 
      13999      107         52           9   Mega Cable S.A. de C.V. 
       6503      101        146          72   AVANTEL, S.A. 
      10481      101         40           7   Prima S.A. 
      23216       98         24          23   RAMtelecom Telecomunicaciones
       5639       96         12           9   Telecommunications Services o
      22927       96         73          25   TELEFONICA DE ARGENTINA 
      21826       95         13          20   INTERCABLE 
      
      AfriNIC Region per AS prefix count summary
      ------------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       3741      266        637         223   The Internet Solution 
       5536      120         15          17   Internet Egypt Network
       8452       93         28           6   TEDATA
       2018       91        295          86   Tertiary Education Network 
      20928       82         16           2   Noor Advanced Technologies AS
       2905       75        266          67   The Internetworking Company o
       6713       59         54           8   Itissalat Al-MAGHRIB
      24835       57         34           6   RAYA Telecom - Egypt
       9129       45          3           3   UUNET Kenya
      12455       40          6           3   Jambonet Autonomous system
       5713       36        142          29   Telkom SA Ltd 
      15475       36         84           4   Nile Online
      15706       31          8           3   Sudatel Internet Exchange Aut
       8524       25          1           4   AUCEGYPT Autonomous System
      16637       22         10          19   Johnnic e-Ventures 
      10798       19          1          11   Standard Bank of South Africa
      23889       19          5           8   MAURITIUS TELECOM
      21491       18          1           1   UTL On-line is RF broadband I
      12258       17          3          11   Vodacom Internet Company 
      15808       17          2           2   Communication Solutions Ltd i
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
       4323      1128         910      Time Warner Telecom
      18566       825         818      Covad Communications 
        721      1109         796      DLA Systems Automation Center
       4134       922         729      CHINANET-BACKBONE
       9583       756         675      Sify Limited
      27364       555         537      Armstrong Cable Services 
       4755       647         501      Videsh Sanchar Nigam Ltd. Aut
       6197       933         499      BellSouth Network Solutions, 
       7725       497         482      MediaOne 
      22773       498         475      Cox Communications, Inc.
       5668       488         463      CenturyTel Internet Holdings,
       3602       542         438      Sprint Canada, Inc. 
       7545       501         429      TPG Internet Pty Ltd
      17676       436         361      Softbank BB Corp.
       6467       384         350      E.Spire Communications, Inc. 
      20115       650         329      Charter Communications 
       9929       378         329      China Netcom Corp.
       6140       394         319      ImpSat
       4766       591         312      Korea Telecom (KIX)
      19262       419         306      Verizon Global Networks 
      
      List of Unregistered ASNs (Global)
      ----------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
      65050   PRIVATE       168.96.148.0/24       6140       ImpSat
      65507   PRIVATE       200.0.64.0/24        27750       Cooperación Latino A
      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 
      65201   PRIVATE       201.30.243.0/24       4230       Embratel 
      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
      50.160.0.0/13         1221     Telstra Pty Ltd
      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 
      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
      192.169.0.0/23        3970     RGnet, Inc. 
      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        /8:17       /9:3       /10:8       /11:15      /12:74      
      /13:161     /14:312     /15:595     /16:8434    /17:2611    /18:4467    
      /19:10472   /20:11361   /21:9377    /22:12790   /23:13798   /24:90360   
      /25:345     /26:304     /27:168     /28:44      /29:29      /30:69      
      /31:0       /32:33      
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
      18566      809           825      Covad Communications 
       6197      761           933      BellSouth Network Solutions, 
       7018      695          1491      AT&T WorldNet Services
       2386      597           882      AT&T Data Communications Serv
       9583      574           756      Sify Limited
      27364      546           555      Armstrong Cable Services 
       4323      538          1128      Time Warner Telecom
       7725      468           497      MediaOne 
       4766      409           591      Korea Telecom (KIX)
       5668      401           488      CenturyTel Internet Holdings,
       1239      368           882      Sprint 
        702      365           592      UUNET - Commercial IP service
       6198      339           464      BellSouth Network Solutions, 
      10036      336           346      C&M Communication Co. Ltd.
       7011      320           371      Citizens Utilities 
       9929      293           378      China Netcom Corp.
      15270      290           315      PaeTec.net -a division of Pae
       6517      284           306      Yipes Communications, Inc. 
      20115      281           650      Charter Communications 
      11456      274           312      Carolina Online, Inc. 
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:6         8:21        9:1        12:1545     13:1        15:9      
        16:2        17:3        18:3        20:4        24:1177     30:2      
        32:69       33:4        38:132      40:53       44:3        47:2      
        52:4        55:2        56:3        57:24       58:119      59:51     
        60:66       61:790      62:635      63:1886     64:2772     65:2089   
        66:2891     67:602      68:539      69:1086     70:123      71:11     
        72:250      80:592      81:574      82:427      83:280      84:207    
        85:272      86:37       87:8       128:175     129:172     130:87     
       131:296     132:38      133:1       134:144     135:43      136:135    
       137:74      138:168     139:59      140:267     141:104     142:149    
       143:145     144:192     145:32      146:280     147:107     148:303    
       149:171     150:108     151:65      152:107     153:88      154:4      
       155:143     156:74      157:96      158:161     159:167     160:77     
       161:68      162:211     163:100     164:209     165:179     166:153    
       167:242     168:435     169:140     170:319     171:8       172:1      
       190:1       192:5695    193:3195    194:2414    195:1582    196:665    
       198:3906    199:3289    200:4049    201:187     202:5806    203:6360   
       204:3776    205:2008    206:2449    207:2815    208:2049    209:3319   
       210:1718    211:858     212:1231    213:1321    214:266     215:31     
       216:3455    217:1150    218:207     219:138     220:394     221:235    
       222:117    
      
      End of report