[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, 5 Feb 2005 04:06:15 +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 05 Feb, 2005
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              155903
          Prefixes after maximum aggregation:                           90519
          Unique aggregates announced to Internet:                      74424
      Total ASes present in the Internet Routing Table:                 18921
      Origin-only ASes present in the Internet Routing Table:           16444
      Origin ASes announcing only one prefix:                            7720
      Transit ASes present in the Internet Routing Table:                2477
      Transit-only ASes present in the Internet Routing Table:             81
      Average AS path length visible in the Internet Routing Table:       4.5
          Max AS path length visible:                                      22
      Prefixes from unregistered ASNs in the Routing Table:                17
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:             21
      Number of addresses announced to Internet:                   1373013836
          Equivalent to 81 /8s, 214 /16s and 135 /24s
          Percentage of available address space announced:               37.0
          Percentage of allocated address space announced:               58.6
          Percentage of available address space allocated:               63.2
      Total number of prefixes smaller than registry allocations:       72958
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    30873
          Total APNIC prefixes after maximum aggregation:               14883
      Prefixes being announced from the APNIC address blocks:           28938
          Unique aggregates announced from the APNIC address blocks:    14655
      APNIC Region origin ASes present in the Internet Routing Table:    2195
      APNIC Region origin ASes announcing only one prefix:                645
      APNIC Region transit ASes present in the Internet Routing Table:    325
      Average APNIC Region AS path length visible:                        4.4
          Max APNIC Region AS path length visible:                         16
      Number of APNIC addresses announced to Internet:              173269632
          Equivalent to 10 /8s, 83 /16s and 226 /24s
          Percentage of available APNIC address space announced:         64.3
      
      APNIC AS Blocks        4608-4864, 7467-7722, 9216-10239, 17408-18431
                             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:                     87607
          Total ARIN prefixes after maximum aggregation:                52291
      Prefixes being announced from the ARIN address blocks:            66880
          Unique aggregates announced from the ARIN address blocks:     24068
      ARIN Region origin ASes present in the Internet Routing Table:     9852
      ARIN Region origin ASes announcing only one prefix:                3590
      ARIN Region transit ASes present in the Internet Routing Table:     960
      Average ARIN Region AS path length visible:                         4.3
          Max ARIN Region AS path length visible:                          16
      Number of ARIN addresses announced to Internet:               240400640
          Equivalent to 14 /8s, 84 /16s and 57 /24s
          Percentage of available ARIN address space announced:          71.6
      
      ARIN AS Blocks         1-1876, 1902-2042, 2044-2046, 2048-2106
                             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,
                             26624-27647,29695-30719, 31744-33791
      ARIN Address Blocks    24/8, 63/8, 64/6, 68/7, 70/7, 72/8, 198/7, 204/6,
                             208/7 and 216/8
      
      RIPE Region Analysis Summary
      ----------------------------
      
      Prefixes being announced by RIPE Region ASes:                     29269
          Total RIPE prefixes after maximum aggregation:                20230
      Prefixes being announced from the RIPE address blocks:            26227
          Unique aggregates announced from the RIPE address blocks:     17361
      RIPE Region origin ASes present in the Internet Routing Table:     6282
      RIPE Region origin ASes announcing only one prefix:                3334
      RIPE Region transit ASes present in the Internet Routing Table:    1061
      Average RIPE Region AS path length visible:                         5.1
          Max RIPE Region AS path length visible:                          22
      Number of RIPE addresses announced to Internet:               187324736
          Equivalent to 11 /8s, 42 /16s and 89 /24s
          Percentage of available RIPE address space announced:          65.7
      
      RIPE AS Blocks         1877-1901, 2043, 2047, 2107-2136, 2585-2614
                             2773-2822, 2830-2879, 3154-3353, 5377-5631
                             6656-6911, 8192-9215, 12288-13311, 15360-16383
                             20480-21503, 24576-25599, 28672-29695
                             30720-31743, 33792-34815
      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:                    6813
          Total LACNIC prefixes after maximum aggregation:               2399
      Prefixes being announced from the LACNIC address blocks:           6700
          Unique aggregates announced from the LACNIC address blocks:    4041
      LACNIC Region origin ASes present in the Internet Routing Table:    419
      LACNIC Region origin ASes announcing only one prefix:               127
      LACNIC Region transit ASes present in the Internet Routing Table:    83
      Average LACNIC Region AS path length visible:                       5.0
          Max LACNIC Region AS path length visible:                        16
      Number of LACNIC addresses announced to Internet:              17342464
          Equivalent to 1 /8s, 8 /16s and 160 /24s
          Percentage of available LACNIC address space announced:        51.7
      
      LACNIC AS Blocks       26592-26623, 27648-28671
      LACNIC Address Blocks  200/7
      
      Emerging AfriNIC Region Analysis Summary
      ----------------------------------------
      
      Prefixes being announced by AfriNIC Region ASes:                   1324
          Total AfriNIC prefixes after maximum aggregation:               716
      Prefixes being announced from the AfriNIC address blocks:           886
          Unique aggregates announced from the AfriNIC address blocks:    683
      AfriNIC Region origin ASes present in the Internet Routing Table:    96
      AfriNIC Region origin ASes announcing only one prefix:               24
      AfriNIC Region transit ASes present in the Internet Routing Table:   13
      Average AfriNIC Region AS path length visible:                      4.6
          Max AfriNIC Region AS path length visible:                       12
      Number of AfriNIC addresses announced to Internet:              2162688
          Equivalent to 0 /8s, 33 /16s and 0 /24s
          Percentage of available AfriNIC address space announced:       12.9
      
      AfriNIC AS Blocks      <none>
      AfriNIC Address Blocks 196/8
      
      APNIC Region per AS prefix count summary
      ----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       4134      883       4688         172   Data Communications Bureau
       1221      785       1183         560   Telstra Pty Ltd
       4766      592       3415         282   Korea Internet Exchange for "
       9583      582         48          12   Satyam Infoway Ltd.,
       4755      456        241         101   Videsh Sanchar Nigam Ltd. Aut
       7545      396         86          69   TPG Internet Pty Ltd
      17676      394       5916          62   XTAGE CORPORATION
       9443      362         71          77   Primus Telecommunications
       9929      351        164          35   China Netcom Corp.
       2907      347       1838         322   SINET Japan
      17557      324         23         149   Pakistan Telecom
      10036      294         27         270   C&M Communication Co. Ltd.
       7474      280        297         208   Optus Communications Pty Ltd
       2764      271        254         218   connect.com.au pty ltd
        703      270        339         211   UUNET
       9800      237        383          75   CHINA UNICOM
       4808      234        170         128   CHINANET core WAN North
       4802      231         28         140   Wantree Development
       9498      230         81          53   BHARTI BT INTERNET LTD.
      17974      227         63          12   PT TELEKOMUNIKASI INDONESIA
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       7018     1463       6607         980   AT&T WorldNet Services
        721     1125      21787         313   DLA Systems Automation Center
        701     1061       8336         906   UUNET Technologies, Inc. 
       7015      963        212          22   AT&T Broadband 
       1239      943       2880         621   Sprint 
       6197      858        378         402   BellSouth Network Solutions, 
       4323      847        672         219   Time Warner Telecom
       2386      819        506         606   AT&T Data Communications Serv
      18566      770        208           6   Covad Communications 
        209      649       3404         499   Qwest 
       3356      594      10867         443   Level 3 Communications, LLC 
       3561      584       2370         414   Cable & Wireless USA 
      20115      573        476         305   Charter Communications 
        852      525       1126         399   Telus Advanced Communications
       6478      502        821          97   AT&T Worldnet Services 
       3602      491        120          91   Sprint Canada, Inc. 
      22773      468       1090          24   Cox Communications, Inc. Atla
      27364      467         44          18   Armstrong Cable Services 
       6198      457        499         200   BellSouth Network Solutions, 
       7132      441       8395         381   SBC Internet Services
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        702      618       2022         510   UUNET - Commercial IP service
       3320      291       2992         227   Deutsche Telekom AG
       3301      288       1112         276   TeliaNet Sweden
       8220      277        466         270   COLT Internet - International
        680      253       2041         239   DFN-IP service G-WiN
       3246      223        471         218   Song Networks
      13083      217         51           8   Mannesmann Datenverarbeitung 
       8708      213        119         194   Romania Data Systems S.A.
       1257      205        708         171   SWIPnet Swedish IP Network
       3215      188       1032          78   France Telecom Transpac
       5515      187        842         135   Sonera Solution Autonomous Sy
       6746      179         47         144   Dynamic Network Technologies,
        786      176       1794         176   The JANET IP Service
       8866      166         19          24   Bulgarian Telecommunication C
       3300      162        166          82   AUCS Communications Services 
       3269      161       1392          71   TELECOM ITALIA
        719      159        322         105   LANLINK autonomous system
      25186      141        138          99   France Telecom Transpac's Tra
       5400      140        219         124   BT Ignite European Backbone
       9051      127          8          33   INCONET Autonomous System
      
      LACNIC Region per AS prefix count summary
      -----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       6140      359        140          70   ImpSat
       8151      335        489         142   UniNet S.A. de C.V. 
      16814      234         14           6   NSS, S.A. 
      11172      217         99          54   Servicios Alestra S.A de C.V 
       6147      189        102          20   Telefonica Del Peru 
      11664      150         19          24   Keytech SA 
       7303      149         68          22   Telecom Argentina Stet-France
       6505      135         90          92   Global One Communicaoes Ltda 
       6503      116        147          80   AVANTEL, S.A. 
      14117      114          7           5   Telefonica del Sur S.A. 
      11992      107          9          31   Integrated Systems 
      11556       97         48           3   Cable-Wireless Panama 
      13999       87         52           9   Mega Cable S.A. de C.V. 
      14420       87          6          42   ANDINATEL S.A. 
      11311       86          8          22   Sinectis S.A. 
       6535       85          7          23   Chilesat Servicios  Empresari
      10481       83         32           7   Prima S.A. 
       5639       81          8           8   Telecommunications Services o
       4270       79         18           9   Red de Interconexion Universi
      15311       78         25          37   Telefonica Empresas 
      
      AfriNIC Region per AS prefix count summary
      ------------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       3741      268        636         226   The Internet Solution 
       5536      113         15          17   Internet Egypt Network
       2018      102        297          98   Tertiary Education Network 
      20928       84         16           2   Noor Advanced Technologies AS
       2905       76        272          70   The Internetworking Company o
      24835       56         34           6   RAYA Telecom - Egypt
       8452       38         20           5   TEDATA
       6713       35         46          10   Itissalat Al-MAGHRIB
       9129       33          3           2   UUNET Kenya
      12455       28          7           4   Jambonet Autonomous system
       5713       27        141          24   Telkom SA Ltd 
       8524       23          1           4   AUCEGYPT Autonomous System
      16637       22         10          19   Johnnic e-Ventures 
      10798       18          1          12   Standard Bank of South Africa
      12258       18          3          12   Vodacom Internet Company 
      21280       18          2           3   Swift Global Kenya Ltd.Is an 
       8346       15         11          15   SONATEL-AS Autonomous System
      15706       15          4           2   Sudatel Internet Exchange Aut
      21491       15          1           3   UTL On-line is RF broadband I
      15808       14          1           1   Communication Solutions Ltd i
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
       7015       963         941      AT&T Broadband 
        721      1125         812      DLA Systems Automation Center
      18566       770         764      Covad Communications 
       4134       883         711      Data Communications Bureau
       4323       847         628      Time Warner Telecom
       9583       582         570      Satyam Infoway Ltd.,
       6197       858         456      BellSouth Network Solutions, 
      27364       467         449      Armstrong Cable Services 
      22773       468         444      Cox Communications, Inc. Atla
       5668       433         406      Century Telephone 
       6478       502         405      AT&T Worldnet Services 
       3602       491         400      Sprint Canada, Inc. 
      22909       422         358      Comcast Cable Corporation 
       4755       456         355      Videsh Sanchar Nigam Ltd. Aut
      17676       394         332      XTAGE CORPORATION
       6467       359         328      E.Spire Communications, Inc. 
       7545       396         327      TPG Internet Pty Ltd
       1239       943         322      Sprint 
       9929       351         316      China Netcom Corp.
       4766       592         310      Korea Internet Exchange for "
      
      List of Unregistered ASNs (Global)
      ----------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
      64826   PRIVATE       64.200.250.0/23       7911       Williams Communicati
      64513   PRIVATE       149.117.96.0/24        577       Bell Advanced Commun
      26422   UNALLOCATED   196.46.184.0/22       3741       The Internet Solutio
      64512   PRIVATE       199.213.17.0/25      15296       Netera Alliance Inc.
      64512   PRIVATE       199.213.17.128/25    15296       Netera Alliance Inc.
      64512   PRIVATE       199.216.97.0/28      15296       Netera Alliance Inc.
      64512   PRIVATE       199.216.148.0/28     15296       Netera Alliance Inc.
      65004   PRIVATE       200.0.113.0/24       28477       *
      65004   PRIVATE       200.4.0.0/24         28477       *
      65004   PRIVATE       200.4.1.0/24         28477       *
      65004   PRIVATE       200.4.2.0/24         28477       *
      65004   PRIVATE       200.4.3.0/24         28477       *
      65004   PRIVATE       200.4.4.0/24         28477       *
      65004   PRIVATE       200.4.5.0/24         28477       *
      65004   PRIVATE       200.4.6.0/24         28477       *
      65529   PRIVATE       216.21.199.0/24      14697       VDot.Net 
      65529   PRIVATE       216.152.237.0/24     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
      172.212.0.0/16        1668     GNN Hosting Service 
      172.213.0.0/16        1668     GNN Hosting Service 
      172.214.0.0/16        1668     GNN Hosting Service 
      172.215.0.0/16        1668     GNN Hosting Service 
      172.216.0.0/16        1668     GNN Hosting Service 
      192.44.0.0/19          702     UUNET - Commercial IP service
      192.70.164.0/24      25689     National Research Council of 
      192.83.16.0/20        5515     Sonera Solution Autonomous Sy
      192.83.32.0/19        5515     Sonera Solution Autonomous Sy
      192.83.96.0/22        5515     Sonera Solution Autonomous Sy
      192.83.100.0/24       5515     Sonera Solution Autonomous Sy
      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
      192.136.79.0/24        719     LANLINK autonomous system
      192.172.0.0/19         721     DLA Systems Automation Center
      192.172.11.0/24        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       /10:7       /11:14      /12:62      
      /13:146     /14:311     /15:564     /16:8292    /17:2392    /18:4078    
      /19:10055   /20:10655   /21:8486    /22:11845   /23:12989   /24:85128   
      /25:294     /26:259     /27:115     /28:49      /29:21      /30:80      
      /31:0       /32:39      
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       7015      926           963      AT&T Broadband 
      18566      755           770      Covad Communications 
       6197      703           858      BellSouth Network Solutions, 
       7018      628          1463      AT&T WorldNet Services
       2386      592           819      AT&T Data Communications Serv
      27364      452           467      Armstrong Cable Services 
       9583      410           582      Satyam Infoway Ltd.,
       4766      405           592      Korea Internet Exchange for "
        702      377           618      UUNET - Commercial IP service
       5668      374           433      Century Telephone 
       1239      368           943      Sprint 
       6198      328           457      BellSouth Network Solutions, 
      10036      294           294      C&M Communication Co. Ltd.
      13609      294           336      Choice One Communications Inc
       4323      291           847      Time Warner Telecom
       6517      282           304      Yipes Communications, Inc. 
       9929      276           351      China Netcom Corp.
       6467      271           359      E.Spire Communications, Inc. 
        701      268          1061      UUNET Technologies, Inc. 
      11456      263           310      Carolina Online, Inc. 
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:4         8:9        12:1483     13:1        15:6        16:2      
        17:3        18:4        20:4        24:1176     32:68       33:3      
        38:91       40:55       44:3        47:2        52:3        55:2      
        56:3        57:21       59:2        60:12       61:683      62:512    
        63:1869     64:2587     65:2135     66:2599     67:492      68:496    
        69:911      70:57       71:2        72:52       80:561      81:504    
        82:353      83:246      84:122      85:93      128:130     129:166    
       130:91      131:191     132:37      134:142     135:30      136:213    
       137:68      138:180     139:47      140:195     141:101     142:139    
       143:121     144:250     145:45      146:282     147:98      148:265    
       149:160     150:94      151:62      152:111     153:72      154:2      
       155:136     156:69      157:77      158:149     159:163     160:67     
       161:59      162:413     163:85      164:214     165:157     166:131    
       167:226     168:390     169:131     170:314     171:8       192:5683   
       193:3044    194:2253    195:1566    196:611     198:3852    199:3247   
       200:3955    201:50      202:5173    203:5971    204:3593    205:2033   
       206:2315    207:2663    208:2093    209:3075    210:1577    211:780    
       212:1148    213:1265    214:240     215:31      216:3700    217:1090   
       218:188     219:117     220:349     221:79      222:75     
      
      End of report