[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, 13 Oct 2007 04:05:03 +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 13 Oct, 2007
      
      Report Website: http://thyme.apnic.net
      This report:    http://thyme.apnic.net/ap-data/2007/10/13/0400
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              234258
          Prefixes after maximum aggregation:                          121514
          Deaggregation factor:                                          1.93
          Unique aggregates announced to Internet:                     114206
      Total ASes present in the Internet Routing Table:                 26464
          Prefixes per ASN:                                              8.85
      Origin-only ASes present in the Internet Routing Table:           23040
      Origin ASes announcing only one prefix:                           11228
      Transit ASes present in the Internet Routing Table:                3424
      Transit-only ASes present in the Internet Routing Table:             77
      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:                           5
      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:             12
      Number of addresses announced to Internet:                   1791437856
          Equivalent to 106 /8s, 199 /16s and 44 /24s
          Percentage of available address space announced:               48.3
          Percentage of allocated address space announced:               62.5
          Percentage of available address space allocated:               77.3
      Total number of prefixes smaller than registry allocations:      108258
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    54841
          Total APNIC prefixes after maximum aggregation:               21044
          APNIC Deaggregation factor:                                    2.61
      Prefixes being announced from the APNIC address blocks:           51773
          Unique aggregates announced from the APNIC address blocks:    22934
      APNIC Region origin ASes present in the Internet Routing Table:    3071
          APNIC Prefixes per ASN:                                       16.86
      APNIC Region origin ASes announcing only one prefix:                815
      APNIC Region transit ASes present in the Internet Routing Table:    470
      Average APNIC Region AS path length visible:                        3.6
          Max APNIC Region AS path length visible:                         15
      Number of APNIC addresses announced to Internet:              321212640
          Equivalent to 19 /8s, 37 /16s and 80 /24s
          Percentage of available APNIC address space announced:         79.6
      
      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:                    110231
          Total ARIN prefixes after maximum aggregation:                63413
          ARIN Deaggregation factor:                                     1.74
      Prefixes being announced from the ARIN address blocks:            81463
          Unique aggregates announced from the ARIN address blocks:     32233
      ARIN Region origin ASes present in the Internet Routing Table:    11897
          ARIN Prefixes per ASN:                                         6.85
      ARIN Region origin ASes announcing only one prefix:                4574
      ARIN Region transit ASes present in the Internet Routing Table:    1097
      Average ARIN Region AS path length visible:                         3.4
          Max ARIN Region AS path length visible:                          15
      Number of ARIN addresses announced to Internet:               347325056
          Equivalent to 20 /8s, 179 /16s and 194 /24s
          Percentage of available ARIN address space announced:          76.7
      
      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:                     49280
          Total RIPE prefixes after maximum aggregation:                31510
          RIPE Deaggregation factor:                                     1.56
      Prefixes being announced from the RIPE address blocks:            45724
          Unique aggregates announced from the RIPE address blocks:     30211
      RIPE Region origin ASes present in the Internet Routing Table:    10337
          RIPE Prefixes per ASN:                                         4.42
      RIPE Region origin ASes announcing only one prefix:                5491
      RIPE Region transit ASes present in the Internet Routing Table:    1628
      Average RIPE Region AS path length visible:                         3.9
          Max RIPE Region AS path length visible:                          20
      Number of RIPE addresses announced to Internet:               330257664
          Equivalent to 19 /8s, 175 /16s and 85 /24s
          Percentage of available RIPE address space announced:          75.7
      
      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:                   17167
          Total LACNIC prefixes after maximum aggregation:               4498
          LACNIC Deaggregation factor:                                   3.82
      Prefixes being announced from the LACNIC address blocks:          15271
          Unique aggregates announced from the LACNIC address blocks:    8592
      LACNIC Region origin ASes present in the Internet Routing Table:    873
          LACNIC Prefixes per ASN:                                      17.49
      LACNIC Region origin ASes announcing only one prefix:               281
      LACNIC Region transit ASes present in the Internet Routing Table:   153
      Average LACNIC Region AS path length visible:                       4.0
          Max LACNIC Region AS path length visible:                        19
      Number of LACNIC addresses announced to Internet:              44414208
          Equivalent to 2 /8s, 165 /16s and 181 /24s
          Percentage of available LACNIC address space announced:        44.1
      
      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:              1035
          AfriNIC Deaggregation factor:                                  2.62
      Prefixes being announced from the AfriNIC address blocks:          2301
          Unique aggregates announced from the AfriNIC address blocks:   1375
      AfriNIC Region origin ASes present in the Internet Routing Table:   208
          AfriNIC Prefixes per ASN:                                     11.06
      AfriNIC Region origin ASes announcing only one prefix:               67
      AfriNIC Region transit ASes present in the Internet Routing Table:   39
      Average AfriNIC Region AS path length visible:                      4.0
          Max AfriNIC Region AS path length visible:                       14
      Number of AfriNIC addresses announced to Internet:              7599616
          Equivalent to 0 /8s, 115 /16s and 246 /24s
          Percentage of available AfriNIC address space announced:       22.6
      
      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     1439        383          67   Videsh Sanchar Nigam Ltd. Aut
       9583     1125         81         421   Sify Limited
       4134     1095      11484         297   CHINANET-BACKBONE
       9498     1010        550          68   BHARTI BT INTERNET LTD.
      17488      825         54          66   Hathway IP Over Cable Interne
       4766      809       5442         321   Korea Telecom (KIX)
      23577      791         34         684   Korea Telecom (ATM-MPLS)
       7545      736        159         120   TPG Internet Pty Ltd
      18101      603        119          50   Reliance Infocom Ltd Internet
       4802      574        132         145   Wantree Development
       4812      548        974          94   China Telecom (Shanghai)
       1221      539       1950         419   Telstra Pty Ltd
       9829      530       1312           9   BSNL National Internet Backbo
       4668      518         68          10   LG-EDS Systems Inc.
      17676      502      10903          63   Softbank BB Corp.
       4808      492        792         119   CNCGROUP IP network: China169
       9443      454        121          72   Primus Telecommunications
       7474      379        217         266   SingTel Optus Pty Ltd
      17557      368         57         188   Pakistan Telecom
      17974      360        130          13   PT TELEKOMUNIKASI INDONESIA
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       7018     1475       6147         989   AT&T WorldNet Services
       4323     1365       1007         363   Time Warner Telecom
       2386     1230        628         742   AT&T Data Communications Serv
      11492     1158        114          14   Cable One 
       6478     1127        330         139   AT&T Worldnet Services 
       6197     1030        718         513   BellSouth Network Solutions, 
      18566     1028        288           9   Covad Communications 
        174      969       6779         843   Cogent Communications
       7011      958        289         557   Citizens Utilities 
        701      874       6573         680   UUNET Technologies, Inc. 
      20115      837        765         447   Charter Communications 
       1239      802       2720         562   Sprint 
      22773      793       2133          54   Cox Communications, Inc.
      19262      786       2840         184   Verizon Global Networks 
        209      739       3810         584   Qwest 
       3356      680      10804         370   Level 3 Communications, LLC 
       5668      659        176          23   CenturyTel Internet Holdings,
       6517      587        165          36   Yipes Communications, Inc. 
        852      581       1093         358   Telus Advanced Communications
       6198      568        613         259   BellSouth Network Solutions, 
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        702      473       1920         386   UUNET - Commercial IP service
      24863      371         58          37   LINKdotNET AS number
       9116      355        168          27   Goldenlines main autonomous s
       3320      315       6035         262   Deutsche Telekom AG
       3301      312       1441         290   TeliaNet Sweden
       8551      296        284          38   Bezeq International
       6746      292        131         268   Dynamic Network Technologies,
        680      269       2045         257   DFN-IP service G-WiN
       8866      265         62          24   Bulgarian Telecommunication C
       8708      264        421         242   Romania Data Systems S.A.
       3215      262       2480         100   France Telecom Transpac
       8220      255        444         237   COLT Telecommunications
       3352      231       1898          40   Ibernet, Internet Access Netw
       3269      224       2839          73   TELECOM ITALIA
       9121      212       1442          25   TTnet Autonomous System
       3300      197        172          96   AUCS Communications Services 
       3292      195       1380         177   TDC Tele Danmark
       1257      194       1195         171   SWIPnet Swedish IP Network
      12479      192        578           6   Uni2 Autonomous System
       3246      190        253         180   Song Networks
      
      LACNIC Region per AS prefix count summary
      -----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       8151     1054       2212         216   UniNet S.A. de C.V. 
      11830      514        299           9   Instituto Costarricense de El
      16814      427         27          10   NSS, S.A. 
      11172      379        114          60   Servicios Alestra S.A de C.V 
      14522      349         30           6   SatNet S.A. 
       7303      348        168          46   Telecom Argentina Stet-France
       6471      343         75          35   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      230        178          24   Telefonica Del Peru 
       6503      209        170          82   AVANTEL, S.A. 
      23216      209         17          45   RAMtelecom Telecomunicaciones
       7738      187        538          24   Telecomunicacoes da Bahia S.A
      28573      184        301          23   NET Servicos de Comunicao S.A
       8163      183         11           8   METROTEL REDES S.A. 
      21826      181         32          50   INTERCABLE 
      20299      180         25          30   NEWCOM AMERICAS 
      
      AfriNIC Region per AS prefix count summary
      ------------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       3741      279        885         226   The Internet Solution 
       8452      219        188           7   TEDATA
       6713      144        135          11   Itissalat Al-MAGHRIB
       2018      140        299         115   Tertiary Education Network 
      33783      126          8          12   EEPAD TISP TELECOM & INTERNET
       5536      124          8          10   Internet Egypt Network
      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         29          25   AS Number for Telecom Algeria
       5713       46        294          36   Telkom SA Ltd 
      16637       42         21          29   Johnnic e-Ventures 
      12455       36          6           3   Jambonet Autonomous system
       8524       32          2          10   AUCEGYPT Autonomous System
      29975       26         10           9   Vodacom
      10798       25         16           1   Standard Bank of South Africa
      21280       25          4           4   Swift Global Kenya Ltd.Is an 
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
       4755      1439        1372      Videsh Sanchar Nigam Ltd. Aut
      11492      1158        1144      Cable One 
      18566      1028        1019      Covad Communications 
       4323      1365        1002      Time Warner Telecom
       6478      1127         988      AT&T Worldnet Services 
       9498      1010         942      BHARTI BT INTERNET LTD.
       8151      1054         838      UniNet S.A. de C.V. 
       4134      1095         798      CHINANET-BACKBONE
      17488       825         759      Hathway IP Over Cable Interne
      22773       793         739      Cox Communications, Inc.
       9583      1125         704      Sify Limited
       5668       659         636      CenturyTel Internet Holdings,
       7545       736         616      TPG Internet Pty Ltd
      19262       786         602      Verizon Global Networks 
      18101       603         553      Reliance Infocom Ltd Internet
       6517       587         551      Yipes Communications, Inc. 
      15270       560         521      PaeTec.net -a division of Pae
       9829       530         521      BSNL National Internet Backbo
       6197      1030         517      BellSouth Network Solutions, 
      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
      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
      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        1803     SPRINT 
      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      /12:135     
      /13:265     /14:476     /15:934     /16:9662    /17:4104    /18:6690    
      /19:14341   /20:16550   /21:15332   /22:19665   /23:20556   /24:123042  
      /25:770     /26:1010    /27:541     /28:91      /29:5       /30:0       
      /31:0       /32:8       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
      11492     1150          1158      Cable One 
       6478     1126          1127      AT&T Worldnet Services 
      18566     1010          1028      Covad Communications 
       9583      967          1125      Sify Limited
       2386      918          1230      AT&T Data Communications Serv
       7011      845           958      Citizens Utilities 
       4755      811          1439      Videsh Sanchar Nigam Ltd. Aut
       7018      811          1475      AT&T WorldNet Services
      23577      782           791      Korea Telecom (ATM-MPLS)
       6197      774          1030      BellSouth Network Solutions, 
       9498      692          1010      BHARTI BT INTERNET LTD.
      17488      644           825      Hathway IP Over Cable Interne
       4766      609           809      Korea Telecom (KIX)
       4323      582          1365      Time Warner Telecom
      19916      563           568      OLM LLC 
       6517      542           587      Yipes Communications, Inc. 
      15270      524           560      PaeTec.net -a division of Pae
       5668      519           659      CenturyTel Internet Holdings,
       4668      508           518      LG-EDS Systems Inc.
      18101      505           603      Reliance Infocom Ltd Internet
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:8         8:90       12:1795     15:20       16:3        17:5      
        18:13       20:36       24:979      25:1        32:60       33:3      
        38:355      40:61       41:326      44:2        47:8        52:3      
        55:3        56:3        57:23       58:466      59:414      60:377    
        61:982      62:915      63:1987     64:3260     65:2372     66:3537   
        67:833      68:677      69:1981     70:460      71:108      72:1419   
        73:5        74:710      75:261      76:142      77:389      78:242    
        80:849      81:801      82:578      83:367      84:636      85:831    
        86:346      87:567      88:287      89:1015     90:37       91:617    
        96:1        97:6        98:4       101:1       116:373     117:199    
       118:39      121:318     122:613     123:201     124:691     125:1033   
       128:275     129:195     130:137     131:368     132:55      133:9      
       134:193     135:34      136:188     137:83      138:156     139:74     
       140:416     141:174     142:371     143:254     144:317     145:46     
       146:314     147:129     148:431     149:186     150:111     151:157    
       152:89      153:121     154:11      155:257     156:161     157:220    
       158:159     159:197     160:135     161:98      162:173     163:183    
       164:495     165:397     166:290     167:304     168:495     169:125    
       170:398     171:22      172:3       189:95      190:1119    192:5712   
       193:3968    194:3205    195:2484    196:962     198:3791    199:3230   
       200:5227    201:1227    202:7399    203:7894    204:3952    205:2010   
       206:2415    207:2804    208:2910    209:3484    210:2445    211:1083   
       212:1272    213:1494    214:405     215:45      216:4082    217:1201   
       218:318     219:384     220:1001    221:412     222:262    
      
      End of report