[apops] Weekly Routing Table Report

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  • Subject: [apops] Weekly Routing Table Report
  • From: Routing Analysis Role Account <cscora at apnic dot net>
  • Date: Sat, 20 Oct 2007 04:05:50 +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
      
      For historical data, please see http://thyme.apnic.net.
      
      If you have any comments please contact Philip Smith <pfs at cisco dot com>.
      
      Routing Table Report   04:00 +10GMT Sat 20 Oct, 2007
      
      Report Website: http://thyme.apnic.net
      This report:    http://thyme.apnic.net/ap-data/2007/10/20/0400
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              234760
          Prefixes after maximum aggregation:                          121843
          Deaggregation factor:                                          1.93
          Unique aggregates announced to Internet:                     114579
      Total ASes present in the Internet Routing Table:                 26476
          Prefixes per ASN:                                              8.87
      Origin-only ASes present in the Internet Routing Table:           23047
      Origin ASes announcing only one prefix:                           11233
      Transit ASes present in the Internet Routing Table:                3429
      Transit-only ASes present in the Internet Routing Table:             79
      Average AS path length visible in the Internet Routing Table:       3.6
          Max AS path length visible:                                      20
          Max AS path prepend of ASN (35389)                               16
      Prefixes from unregistered ASNs in the Routing Table:                21
          Unregistered ASNs in the Routing Table:                           6
      Prefixes from 32-bit ASNs in the Routing Table:                       7
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:             10
      Number of addresses announced to Internet:                   1796115328
          Equivalent to 107 /8s, 14 /16s and 139 /24s
          Percentage of available address space announced:               48.5
          Percentage of allocated address space announced:               62.7
          Percentage of available address space allocated:               77.3
      Total number of prefixes smaller than registry allocations:      108718
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    54729
          Total APNIC prefixes after maximum aggregation:               21025
          APNIC Deaggregation factor:                                    2.60
      Prefixes being announced from the APNIC address blocks:           51663
          Unique aggregates announced from the APNIC address blocks:    22925
      APNIC Region origin ASes present in the Internet Routing Table:    3043
          APNIC Prefixes per ASN:                                       16.98
      APNIC Region origin ASes announcing only one prefix:                800
      APNIC Region transit ASes present in the Internet Routing Table:    460
      Average APNIC Region AS path length visible:                        3.7
          Max APNIC Region AS path length visible:                         15
      Number of APNIC addresses announced to Internet:              321956288
          Equivalent to 19 /8s, 48 /16s and 169 /24s
          Percentage of available APNIC address space announced:         79.8
      
      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, 116/6, 120/6, 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:                    110474
          Total ARIN prefixes after maximum aggregation:                63577
          ARIN Deaggregation factor:                                     1.74
      Prefixes being announced from the ARIN address blocks:            81619
          Unique aggregates announced from the ARIN address blocks:     32335
      ARIN Region origin ASes present in the Internet Routing Table:    11906
          ARIN Prefixes per ASN:                                         6.86
      ARIN Region origin ASes announcing only one prefix:                4579
      ARIN Region transit ASes present in the Internet Routing Table:    1102
      Average ARIN Region AS path length visible:                         3.4
          Max ARIN Region AS path length visible:                          15
      Number of ARIN addresses announced to Internet:               347934592
          Equivalent to 20 /8s, 189 /16s and 15 /24s
          Percentage of available ARIN address space announced:          76.8
      
      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, 39936-40959
      ARIN Address Blocks    24/8, 63/8, 64/5, 72/6, 76/8, 96/6, 199/8, 204/6,
                             208/7 and 216/8
      
      RIPE Region Analysis Summary
      ----------------------------
      
      Prefixes being announced by RIPE Region ASes:                     49505
          Total RIPE prefixes after maximum aggregation:                31654
          RIPE Deaggregation factor:                                     1.56
      Prefixes being announced from the RIPE address blocks:            45954
          Unique aggregates announced from the RIPE address blocks:     30301
      RIPE Region origin ASes present in the Internet Routing Table:    10366
          RIPE Prefixes per ASN:                                         4.43
      RIPE Region origin ASes announcing only one prefix:                5506
      RIPE Region transit ASes present in the Internet Routing Table:    1639
      Average RIPE Region AS path length visible:                         3.9
          Max RIPE Region AS path length visible:                          20
      Number of RIPE addresses announced to Internet:               333599872
          Equivalent to 19 /8s, 226 /16s and 84 /24s
          Percentage of available RIPE address space announced:          76.5
      
      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, 38912-39935
                             40960-45055
      RIPE Address Blocks    62/8, 77/8, 78/7, 80/4, 193/8, 194/7, 212/7
                             and 217/8
      
      LACNIC Region Analysis Summary
      ------------------------------
      
      Prefixes being announced by LACNIC Region ASes:                   17313
          Total LACNIC prefixes after maximum aggregation:               4537
          LACNIC Deaggregation factor:                                   3.82
      Prefixes being announced from the LACNIC address blocks:          15340
          Unique aggregates announced from the LACNIC address blocks:    8607
      LACNIC Region origin ASes present in the Internet Routing Table:    871
          LACNIC Prefixes per ASN:                                      17.61
      LACNIC Region origin ASes announcing only one prefix:               282
      LACNIC Region transit ASes present in the Internet Routing Table:   155
      Average LACNIC Region AS path length visible:                       4.0
          Max LACNIC Region AS path length visible:                        19
      Number of LACNIC addresses announced to Internet:              44467456
          Equivalent to 2 /8s, 166 /16s and 133 /24s
          Percentage of available LACNIC address space announced:        44.2
      
      LACNIC AS Blocks       26592-26623, 27648-28671, plus ERX transfers
      LACNIC Address Blocks  186/7, 189/8, 190/8, 200/7
      
      AfriNIC Region Analysis Summary
      -------------------------------
      
      Prefixes being announced by AfriNIC Region ASes:                   2710
          Total AfriNIC prefixes after maximum aggregation:              1036
          AfriNIC Deaggregation factor:                                  2.62
      Prefixes being announced from the AfriNIC address blocks:          2305
          Unique aggregates announced from the AfriNIC address blocks:   1382
      AfriNIC Region origin ASes present in the Internet Routing Table:   210
          AfriNIC Prefixes per ASN:                                     10.98
      AfriNIC Region origin ASes announcing only one prefix:               66
      AfriNIC Region transit ASes present in the Internet Routing Table:   38
      Average AfriNIC Region AS path length visible:                      4.0
          Max AfriNIC Region AS path length visible:                       14
      Number of AfriNIC addresses announced to Internet:              7623680
          Equivalent to 0 /8s, 116 /16s and 84 /24s
          Percentage of available AfriNIC address space announced:       22.7
      
      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
       4755     1470        383          67   Videsh Sanchar Nigam Ltd. Aut
       9583     1120         81         420   Sify Limited
       4134     1100      11540         300   CHINANET-BACKBONE
       9498     1010        550          68   BHARTI BT INTERNET LTD.
      17488      850         55          63   Hathway IP Over Cable Interne
       4766      799       5440         314   Korea Telecom (KIX)
      23577      791         34         684   Korea Telecom (ATM-MPLS)
       7545      730        159         119   TPG Internet Pty Ltd
      18101      606        119          52   Reliance Infocom Ltd Internet
       4802      571        133         142   Wantree Development
       1221      539       1950         419   Telstra Pty Ltd
       9829      530       1312           9   BSNL National Internet Backbo
       4812      523        858          76   China Telecom (Shanghai)
       4668      518         68          10   LG-EDS Systems Inc.
      17676      502      10903          63   Softbank BB Corp.
       4808      493        792         119   CNCGROUP IP network: China169
       9443      440        121          72   Primus Telecommunications
       7474      381        218         267   SingTel Optus Pty Ltd
      17974      363        130          13   PT TELEKOMUNIKASI INDONESIA
       4837      359       5137         170   chinanet IDC center beijing n
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       7018     1481       6148         995   AT&T WorldNet Services
       4323     1365       1006         360   Time Warner Telecom
       2386     1234        627         743   AT&T Data Communications Serv
      11492     1155        116          16   Cable One 
       6478     1117        329         169   AT&T Worldnet Services 
       6197     1029        718         513   BellSouth Network Solutions, 
      18566     1028        288           9   Covad Communications 
        174      980       6786         843   Cogent Communications
       7011      961        290         558   Citizens Utilities 
        701      881       6575         689   UUNET Technologies, Inc. 
      20115      837        765         447   Charter Communications 
       1239      802       2720         562   Sprint 
      22773      796       2133          54   Cox Communications, Inc.
      19262      789       2847         180   Verizon Global Networks 
        209      745       3793         586   Qwest 
       3356      728      10858         388   Level 3 Communications, LLC 
       5668      661        176          17   CenturyTel Internet Holdings,
       6517      588        165          36   Yipes Communications, Inc. 
        852      582       1101         359   Telus Advanced Communications
      19916      569         49          47   OLM LLC 
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        702      471       1919         384   UUNET - Commercial IP service
      24863      372         58          36   LINKdotNET AS number
       9116      338        168          27   Goldenlines main autonomous s
       3301      316       1441         293   TeliaNet Sweden
       3320      315       6035         262   Deutsche Telekom AG
       8551      296        284          38   Bezeq International
       6746      275        128         252   Dynamic Network Technologies,
       8708      271        421         243   Romania Data Systems S.A.
        680      269       2045         257   DFN-IP service G-WiN
       8866      265         62          24   Bulgarian Telecommunication C
       3215      263       2488          99   France Telecom Transpac
       8220      255        444         237   COLT Telecommunications
       3352      232       1914          41   Ibernet, Internet Access Netw
       3269      228       2935          75   TELECOM ITALIA
       9121      212       1442          25   TTnet Autonomous System
       3300      200        172          96   AUCS Communications Services 
       3292      195       1380         177   TDC Tele Danmark
       1257      194       1194         176   SWIPnet Swedish IP Network
      12479      194        578           6   Uni2 Autonomous System
       3246      191        253         181   Song Networks
      
      LACNIC Region per AS prefix count summary
      -----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       8151     1052       2196         212   UniNet S.A. de C.V. 
      11830      514        299           9   Instituto Costarricense de El
      16814      427         27          10   NSS, S.A. 
      11172      380        114          60   Servicios Alestra S.A de C.V 
      14522      380         32           7   SatNet S.A. 
       7303      359        173          52   Telecom Argentina Stet-France
       6471      347         75          36   ENTEL CHILE S.A. 
      22047      317        246          13   VTR PUNTO NET S.A. 
      14117      285         19          15   Telefonica del Sur S.A. 
      10481      261        104           9   Prima S.A. 
      10620      256         71          27   TVCABLE BOGOTA 
      11556      237        128           4   Cable-Wireless Panama 
       6147      231        178          24   Telefonica Del Peru 
       6503      210        170          82   AVANTEL, S.A. 
      23216      207         16          44   RAMtelecom Telecomunicaciones
       7738      204        538          24   Telecomunicacoes da Bahia S.A
      28573      194        306          22   NET Servicos de Comunicao S.A
       8163      183         11           8   METROTEL REDES S.A. 
      21826      181         32          50   INTERCABLE 
      19169      180         12          20   Telconet 
      
      AfriNIC Region per AS prefix count summary
      ------------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       3741      278        869         225   The Internet Solution 
       8452      221        188           7   TEDATA
       6713      143        135          11   Itissalat Al-MAGHRIB
       2018      140        299         115   Tertiary Education Network 
       5536      124          8          10   Internet Egypt Network
      33783      111          8           8   EEPAD TISP TELECOM & INTERNET
      33776      100          6           3   Starcomms Nigeria Limited
      24835       88         48           6   RAYA Telecom - Egypt
      15475       77         84           4   Nile Online
       2905       75        174          72   The Internetworking Company o
      23889       73         24          15   MAURITIUS TELECOM
      15706       55         12           4   Sudatel Internet Exchange Aut
      33774       48         33          25   AS Number for Telecom Algeria
       5713       46        294          36   Telkom SA Ltd 
      16637       42         21          29   Johnnic e-Ventures 
      12455       35          6           3   Jambonet Autonomous system
       8524       32          2          10   AUCEGYPT Autonomous System
      10798       26         16           1   Standard Bank of South Africa
      29975       26         10           9   Vodacom
      21280       25          4           4   Swift Global Kenya Ltd.Is an 
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
       4755      1470        1403      Videsh Sanchar Nigam Ltd. Aut
      11492      1155        1139      Cable One 
      18566      1028        1019      Covad Communications 
       4323      1365        1005      Time Warner Telecom
       6478      1117         948      AT&T Worldnet Services 
       9498      1010         942      BHARTI BT INTERNET LTD.
       8151      1052         840      UniNet S.A. de C.V. 
       4134      1100         800      CHINANET-BACKBONE
      17488       850         787      Hathway IP Over Cable Interne
      22773       796         742      Cox Communications, Inc.
       9583      1120         700      Sify Limited
       5668       661         644      CenturyTel Internet Holdings,
       7545       730         611      TPG Internet Pty Ltd
      19262       789         609      Verizon Global Networks 
      18101       606         554      Reliance Infocom Ltd Internet
       6517       588         552      Yipes Communications, Inc. 
      19916       569         522      OLM LLC 
       9829       530         521      BSNL National Internet Backbo
       6197      1029         516      BellSouth Network Solutions, 
       4668       518         508      LG-EDS Systems Inc.
      
      List of Unregistered Origin ASNs (Global)
      -----------------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
      64250   RESERVED      59.144.44.0/24        9498       BHARTI BT INTERNET L
      64250   RESERVED      122.167.64.0/19       9498       BHARTI BT INTERNET L
      64250   RESERVED      122.167.96.0/20       9498       BHARTI BT INTERNET L
      64250   RESERVED      122.167.112.0/21      9498       BHARTI BT INTERNET L
      64250   RESERVED      122.167.176.0/21      9498       BHARTI BT INTERNET L
      64250   RESERVED      122.167.188.0/22      9498       BHARTI BT INTERNET L
      64250   RESERVED      122.167.192.0/22      9498       BHARTI BT INTERNET L
      64250   RESERVED      122.167.196.0/22      9498       BHARTI BT INTERNET L
      64250   RESERVED      122.167.200.0/22      9498       BHARTI BT INTERNET L
      64250   RESERVED      122.167.204.0/22      9498       BHARTI BT INTERNET L
      64250   RESERVED      122.167.208.0/22      9498       BHARTI BT INTERNET L
      64250   RESERVED      122.167.212.0/22      9498       BHARTI BT INTERNET L
      64250   RESERVED      122.167.216.0/22      9498       BHARTI BT INTERNET L
      64250   RESERVED      122.167.220.0/22      9498       BHARTI BT INTERNET L
      64250   RESERVED      122.167.240.0/23      9498       BHARTI BT INTERNET L
      64250   RESERVED      122.167.242.0/23      9498       BHARTI BT INTERNET L
      64250   RESERVED      122.167.244.0/23      9498       BHARTI BT INTERNET L
      64250   RESERVED      122.167.246.0/23      9498       BHARTI BT INTERNET L
      64250   RESERVED      122.171.0.0/24        9498       BHARTI BT INTERNET L
      64250   RESERVED      122.171.1.0/24        9498       BHARTI BT INTERNET L
      65000   PRIVATE       216.136.11.0/24      27182       Peregrine Capital Ma
      
      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
      172.33.1.0/24         7018     AT&T WorldNet Services
      192.0.10.0/24         9498     BHARTI BT INTERNET LTD.
      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 
      192.153.136.0/21       721     DLA Systems Automation Center
      192.172.0.0/19         721     DLA Systems Automation Center
      
      Number of prefixes announced per prefix length (Global)
      -------------------------------------------------------
      
       /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
       /7:0        /8:19       /9:9       /10:16      /11:38      /12:135     
      /13:267     /14:477     /15:937     /16:9686    /17:4124    /18:6666    
      /19:14372   /20:16567   /21:15354   /22:19696   /23:20592   /24:123360  
      /25:780     /26:1021    /27:537     /28:94      /29:5       /30:0       
      /31:0       /32:8       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
      11492     1146          1155      Cable One 
       6478     1116          1117      AT&T Worldnet Services 
      18566     1010          1028      Covad Communications 
       9583      962          1120      Sify Limited
       2386      924          1234      AT&T Data Communications Serv
       7011      848           961      Citizens Utilities 
       4755      839          1470      Videsh Sanchar Nigam Ltd. Aut
       7018      812          1481      AT&T WorldNet Services
      23577      782           791      Korea Telecom (ATM-MPLS)
       6197      773          1029      BellSouth Network Solutions, 
       9498      693          1010      BHARTI BT INTERNET LTD.
      17488      673           850      Hathway IP Over Cable Interne
       4766      597           799      Korea Telecom (KIX)
       4323      580          1365      Time Warner Telecom
      19916      564           569      OLM LLC 
       6517      543           588      Yipes Communications, Inc. 
       5668      521           661      CenturyTel Internet Holdings,
       4668      508           518      LG-EDS Systems Inc.
      18101      507           606      Reliance Infocom Ltd Internet
      15270      486           521      PaeTec.net -a division of Pae
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:8         8:84       12:1793     15:19       16:3        17:5      
        18:13       20:36       24:979      25:1        32:60       33:3      
        38:355      40:64       41:335      44:2        47:8        52:3      
        55:3        56:3        57:23       58:469      59:416      60:379    
        61:987      62:929      63:1987     64:3276     65:2374     66:3556   
        67:829      68:674      69:2002     70:464      71:107      72:1410   
        73:6        74:719      75:261      76:147      77:394      78:250    
        80:854      81:789      82:570      83:349      84:612      85:831    
        86:342      87:583      88:290      89:1028     90:39       91:661    
        92:3        96:1        97:6        98:5       116:406     117:199    
       118:40      121:321     122:592     123:202     124:694     125:1034   
       128:275     129:195     130:136     131:365     132:55      133:9      
       134:193     135:34      136:188     137:82      138:157     139:74     
       140:500     141:150     142:370     143:253     144:318     145:46     
       146:335     147:130     148:485     149:187     150:113     151:137    
       152:89      153:121     154:11      155:261     156:161     157:221    
       158:160     159:197     160:136     161:98      162:179     163:183    
       164:495     165:397     166:290     167:307     168:498     169:125    
       170:399     171:22      172:2       189:86      190:1167    192:5721   
       193:3986    194:3217    195:2467    196:940     198:3800    199:3242   
       200:5219    201:1235    202:7309    203:7875    204:3953    205:2013   
       206:2422    207:2800    208:2895    209:3480    210:2438    211:1090   
       212:1324    213:1513    214:419     215:44      216:4099    217:1208   
       218:318     219:388     220:993     221:410     222:263    
      
      End of report