[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, 29 Sep 2007 04:03:21 +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 29 Sep, 2007
      
      Report Website: http://thyme.apnic.net
      This report:    http://thyme.apnic.net/ap-data/2007/09/29/0400
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              233332
          Prefixes after maximum aggregation:                          121009
          Deaggregation factor:                                          1.93
          Unique aggregates announced to Internet:                     113214
      Total ASes present in the Internet Routing Table:                 26304
          Prefixes per ASN:                                              8.87
      Origin-only ASes present in the Internet Routing Table:           22901
      Origin ASes announcing only one prefix:                           11173
      Transit ASes present in the Internet Routing Table:                3403
      Transit-only ASes present in the Internet Routing Table:             73
      Average AS path length visible in the Internet Routing Table:       3.6
          Max AS path length visible:                                      22
          Max AS path prepend of ASN (35389)                               16
      Prefixes from unregistered ASNs in the Routing Table:                21
          Unregistered ASNs in the Routing Table:                           7
      Prefixes from 32-bit ASNs in the Routing Table:                       8
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:             12
      Number of addresses announced to Internet:                   1787287392
          Equivalent to 106 /8s, 135 /16s and 215 /24s
          Percentage of available address space announced:               48.2
          Percentage of allocated address space announced:               63.1
          Percentage of available address space allocated:               76.4
      Total number of prefixes smaller than registry allocations:      124191
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    54550
          Total APNIC prefixes after maximum aggregation:               20985
          APNIC Deaggregation factor:                                    2.60
      Prefixes being announced from the APNIC address blocks:           51477
          Unique aggregates announced from the APNIC address blocks:    22764
      APNIC Region origin ASes present in the Internet Routing Table:    3064
          APNIC Prefixes per ASN:                                       16.80
      APNIC Region origin ASes announcing only one prefix:                812
      APNIC Region transit ASes present in the Internet Routing Table:    474
      Average APNIC Region AS path length visible:                        3.6
          Max APNIC Region AS path length visible:                         18
      Number of APNIC addresses announced to Internet:              319989664
          Equivalent to 19 /8s, 18 /16s and 167 /24s
          Percentage of available APNIC address space announced:         79.3
      
      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:                    109895
          Total ARIN prefixes after maximum aggregation:                63243
          ARIN Deaggregation factor:                                     1.74
      Prefixes being announced from the ARIN address blocks:            81066
          Unique aggregates announced from the ARIN address blocks:     32140
      ARIN Region origin ASes present in the Internet Routing Table:    11850
          ARIN Prefixes per ASN:                                         6.84
      ARIN Region origin ASes announcing only one prefix:                4549
      ARIN Region transit ASes present in the Internet Routing Table:    1089
      Average ARIN Region AS path length visible:                         3.4
          Max ARIN Region AS path length visible:                          14
      Number of ARIN addresses announced to Internet:               346033280
          Equivalent to 20 /8s, 160 /16s and 12 /24s
          Percentage of available ARIN address space announced:          76.4
      
      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, 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:                     48930
          Total RIPE prefixes after maximum aggregation:                31225
          RIPE Deaggregation factor:                                     1.57
      Prefixes being announced from the RIPE address blocks:            45305
          Unique aggregates announced from the RIPE address blocks:     29867
      RIPE Region origin ASes present in the Internet Routing Table:    10244
          RIPE Prefixes per ASN:                                         4.42
      RIPE Region origin ASes announcing only one prefix:                5467
      RIPE Region transit ASes present in the Internet Routing Table:    1623
      Average RIPE Region AS path length visible:                         3.9
          Max RIPE Region AS path length visible:                          22
      Number of RIPE addresses announced to Internet:               329301120
          Equivalent to 19 /8s, 160 /16s and 188 /24s
          Percentage of available RIPE address space announced:          75.5
      
      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:                   17229
          Total LACNIC prefixes after maximum aggregation:               4516
          LACNIC Deaggregation factor:                                   3.82
      Prefixes being announced from the LACNIC address blocks:          15244
          Unique aggregates announced from the LACNIC address blocks:    8195
      LACNIC Region origin ASes present in the Internet Routing Table:    867
          LACNIC Prefixes per ASN:                                      17.58
      LACNIC Region origin ASes announcing only one prefix:               275
      LACNIC Region transit ASes present in the Internet Routing Table:   148
      Average LACNIC Region AS path length visible:                       4.0
          Max LACNIC Region AS path length visible:                        19
      Number of LACNIC addresses announced to Internet:              43546624
          Equivalent to 2 /8s, 152 /16s and 120 /24s
          Percentage of available LACNIC address space announced:        64.9
      
      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:                   2699
          Total AfriNIC prefixes after maximum aggregation:              1024
          AfriNIC Deaggregation factor:                                  2.64
      Prefixes being announced from the AfriNIC address blocks:          2291
          Unique aggregates announced from the AfriNIC address blocks:   1364
      AfriNIC Region origin ASes present in the Internet Routing Table:   205
          AfriNIC Prefixes per ASN:                                     11.18
      AfriNIC Region origin ASes announcing only one prefix:               70
      AfriNIC Region transit ASes present in the Internet Routing Table:   35
      Average AfriNIC Region AS path length visible:                      3.8
          Max AfriNIC Region AS path length visible:                       14
      Number of AfriNIC addresses announced to Internet:              7460096
          Equivalent to 0 /8s, 113 /16s and 213 /24s
          Percentage of available AfriNIC address space announced:       22.2
      
      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     1423        383          67   Videsh Sanchar Nigam Ltd. Aut
       9583     1126         81         413   Sify Limited
       4134     1077      11403         294   CHINANET-BACKBONE
       9498     1002        533          66   BHARTI BT INTERNET LTD.
      17488      816         53          61   Hathway IP Over Cable Interne
       4766      809       5441         321   Korea Telecom (KIX)
      23577      791         34         685   Korea Telecom (ATM-MPLS)
       7545      731        159         118   TPG Internet Pty Ltd
      18101      600        119          50   Reliance Infocom Ltd Internet
       4802      576        131         149   Wantree Development
       4812      548        974          94   China Telecom (Shanghai)
       1221      539       1950         420   Telstra Pty Ltd
       9829      530       1312           9   BSNL National Internet Backbo
       4668      517         68          10   LG-EDS Systems Inc.
      17676      502      10903          63   Softbank BB Corp.
       4808      490        783         119   CNCGROUP IP network: China169
       9443      467        122          77   Primus Telecommunications
       7474      381        218         268   SingTel Optus Pty Ltd
      17974      362        130          13   PT TELEKOMUNIKASI INDONESIA
       4837      357       5136         169   chinanet IDC center beijing n
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       7018     1474       6106         987   AT&T WorldNet Services
       4323     1400        991         366   Time Warner Telecom
       2386     1220        635         732   AT&T Data Communications Serv
      11492     1152        113          17   Cable One 
       6478     1131        328         137   AT&T Worldnet Services 
       6197     1030        718         508   BellSouth Network Solutions, 
      18566     1028        288           9   Covad Communications 
        174      965       6779         844   Cogent Communications
       7011      944        287         559   Citizens Utilities 
        701      873       6573         681   UUNET Technologies, Inc. 
      20115      830        762         441   Charter Communications 
       1239      800       2720         564   Sprint 
      19262      780       2766         189   Verizon Global Networks 
      22773      777       2149          52   Cox Communications, Inc.
        209      740       3818         584   Qwest 
       3356      674      10820         373   Level 3 Communications, LLC 
       5668      655        176          23   CenturyTel Internet Holdings,
       6517      586        165          36   Yipes Communications, Inc. 
        852      581       1095         360   Telus Advanced Communications
      15270      580        160          38   PaeTec.net -a division of Pae
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        702      491       1921         393   UUNET - Commercial IP service
      24863      371         58          37   LINKdotNET AS number
       9116      353        168          27   Goldenlines main autonomous s
       3301      317       1457         294   TeliaNet Sweden
       3320      313       6035         260   Deutsche Telekom AG
       8551      296        284          38   Bezeq International
       6746      290        131         266   Dynamic Network Technologies,
        680      269       2045         257   DFN-IP service G-WiN
       8866      265         62          22   Bulgarian Telecommunication C
       8708      263        421         242   Romania Data Systems S.A.
       3215      262       2472          99   France Telecom Transpac
       8220      255        444         238   COLT Telecommunications
       3352      230       1882          40   Ibernet, Internet Access Netw
       5089      224       1658          54   NTL Group Limited
       3269      223       2839          73   TELECOM ITALIA
       9121      217       1442          25   TTnet Autonomous System
       3300      197        172          96   AUCS Communications Services 
       3292      196       1380         176   TDC Tele Danmark
       1257      194       1195         171   SWIPnet Swedish IP Network
      12479      194        578           6   Uni2 Autonomous System
      
      LACNIC Region per AS prefix count summary
      -----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       8151     1018       2157         211   UniNet S.A. de C.V. 
      11830      514        299           9   Instituto Costarricense de El
      16814      426         26           9   NSS, S.A. 
      11172      378        114          60   Servicios Alestra S.A de C.V 
       7303      352        166          50   Telecom Argentina Stet-France
      14522      345         29           8   SatNet S.A. 
       6471      337         75          33   ENTEL CHILE S.A. 
      22047      317        246          13   VTR PUNTO NET S.A. 
      14117      287         19          15   Telefonica del Sur S.A. 
      11664      278         30          13   Keytech SA 
      10481      261        104           9   Prima S.A. 
      10620      238         66          24   TVCABLE BOGOTA 
      11556      237        128           4   Cable-Wireless Panama 
       6147      229        178          24   Telefonica Del Peru 
       6503      206        171          83   AVANTEL, S.A. 
      23216      196         16          44   RAMtelecom Telecomunicaciones
      20299      178         25          30   NEWCOM AMERICAS 
       8163      177         11           6   METROTEL REDES S.A. 
      19169      176         12          19   Telconet 
      28573      175        272          18   NET Servicos de Comunicao S.A
      
      AfriNIC Region per AS prefix count summary
      ------------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       3741      277        869         225   The Internet Solution 
       8452      220        188           7   TEDATA
       6713      142        135          11   Itissalat Al-MAGHRIB
       2018      140        299         115   Tertiary Education Network 
      33783      125          8          12   EEPAD TISP TELECOM & INTERNET
       5536      124          8          10   Internet Egypt Network
      33776      100          6           3   Starcomms Nigeria Limited
      24835       87         48           6   RAYA Telecom - Egypt
      15475       76         84           4   Nile Online
       2905       75        174          72   The Internetworking Company o
      23889       73         24          15   MAURITIUS TELECOM
      15706       56         12           4   Sudatel Internet Exchange Aut
      33774       47         29          25   AS Number for Telecom Algeria
       5713       46        294          36   Telkom SA Ltd 
      16637       42         21          29   Johnnic e-Ventures 
      12455       37          6           3   Jambonet Autonomous system
       8524       31          2          10   AUCEGYPT Autonomous System
      10798       27         16           1   Standard Bank of South Africa
      29975       26         10           9   Vodacom
      15804       24          2           1   AS of The Way Out Internet So
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
       4755      1423        1356      Videsh Sanchar Nigam Ltd. Aut
      11492      1152        1135      Cable One 
       4323      1400        1034      Time Warner Telecom
      18566      1028        1019      Covad Communications 
       6478      1131         994      AT&T Worldnet Services 
       9498      1002         936      BHARTI BT INTERNET LTD.
       8151      1018         807      UniNet S.A. de C.V. 
       4134      1077         783      CHINANET-BACKBONE
      17488       816         755      Hathway IP Over Cable Interne
      22773       777         725      Cox Communications, Inc.
       9583      1126         713      Sify Limited
       5668       655         632      CenturyTel Internet Holdings,
       7545       731         613      TPG Internet Pty Ltd
      19262       780         591      Verizon Global Networks 
      18101       600         550      Reliance Infocom Ltd Internet
       6517       586         550      Yipes Communications, Inc. 
      15270       580         542      PaeTec.net -a division of Pae
       6197      1030         522      BellSouth Network Solutions, 
       9829       530         521      BSNL National Internet Backbo
      19916       568         517      OLM LLC 
      
      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
      64520   PRIVATE       172.11.12.0/24        1803       SPRINT 
      65501   PRIVATE       202.153.21.0/24      23666       PT Sistelindo Mitral
      24409   UNALLOCATED   203.119.29.0/24       9808       Guangdong Mobile Com
      
      Advertised Unallocated Addresses
      --------------------------------
      
      Network            Origin AS  Description
      101.13.13.0/24        8764     LIETUVOS-TELEKOMAS Autonomous
      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
      172.11.12.0/24       64520     PRIVATE ASN
      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      /11:37      /12:136     
      /13:265     /14:474     /15:928     /16:9621    /17:4094    /18:6661    
      /19:14149   /20:16608   /21:15124   /22:19589   /23:20400   /24:122734  
      /25:766     /26:1028    /27:548     /28:113     /29:5       /30:0       
      /31:0       /32:8       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
      11492     1144          1152      Cable One 
       6478     1130          1131      AT&T Worldnet Services 
      18566     1010          1028      Covad Communications 
       9583      968          1126      Sify Limited
       2386      911          1220      AT&T Data Communications Serv
       7011      834           944      Citizens Utilities 
       7018      819          1474      AT&T WorldNet Services
       4755      796          1423      Videsh Sanchar Nigam Ltd. Aut
       6197      783          1030      BellSouth Network Solutions, 
      23577      782           791      Korea Telecom (ATM-MPLS)
       9498      681          1002      BHARTI BT INTERNET LTD.
      17488      639           816      Hathway IP Over Cable Interne
       4766      607           809      Korea Telecom (KIX)
       4323      596          1400      Time Warner Telecom
      19916      563           568      OLM LLC 
       6517      551           586      Yipes Communications, Inc. 
      15270      544           580      PaeTec.net -a division of Pae
       5668      521           655      CenturyTel Internet Holdings,
       4668      507           517      LG-EDS Systems Inc.
      18101      503           600      Reliance Infocom Ltd Internet
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:8         8:83       12:1791     13:1        15:20       16:3      
        17:3        18:13       20:36       24:974      25:1        32:60     
        33:3        38:349      40:61       41:320      44:2        47:4      
        52:4        55:3        56:3        57:23       58:473      59:409    
        60:370      61:989      62:934      63:2001     64:3253     65:2372   
        66:3518     67:819      68:676      69:1976     70:454      71:107    
        72:1419     73:5        74:677      75:260      76:133      77:378    
        78:196      80:816      81:841      82:570      83:364      84:632    
        85:820      86:346      87:560      88:287      89:994      90:38     
        91:562      97:6        98:2       101:1       116:373     117:162    
       118:21      121:302     122:610     123:184     124:677     125:1008   
       128:272     129:212     130:137     131:364     132:60      133:9      
       134:198     135:33      136:188     137:81      138:156     139:74     
       140:513     141:174     142:398     143:272     144:313     145:47     
       146:332     147:128     148:485     149:165     150:111     151:157    
       152:89      153:118     154:11      155:255     156:162     157:218    
       158:160     159:175     160:135     161:100     162:173     163:182    
       164:487     165:396     166:287     167:302     168:503     169:123    
       170:387     171:22      172:3       189:74      190:1168    192:5711   
       193:3964    194:3196    195:2305    196:965     198:3821    199:3216   
       200:5314    201:1222    202:7368    203:7873    204:3930    205:1996   
       206:2430    207:2847    208:2867    209:3472    210:2473    211:1083   
       212:1299    213:1488    214:424     215:45      216:4079    217:1193   
       218:317     219:382     220:1008    221:414     222:263    
      
      End of report