[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, ausnog at ausnog dot net, sanog at sanog dot org
  • Subject: [apops] Weekly Routing Table Report
  • From: Routing Analysis Role Account <cscora at apnic dot net>
  • Date: Sat, 17 Nov 2007 04:03:43 +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 17 Nov, 2007
      
      Report Website:     http://thyme.apnic.net
      Detailed Analysis:  http://thyme.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              237728
          Prefixes after maximum aggregation:                          122638
          Deaggregation factor:                                          1.94
          Unique aggregates announced to Internet:                     116219
      Total ASes present in the Internet Routing Table:                 26647
          Prefixes per ASN:                                              8.92
      Origin-only ASes present in the Internet Routing Table:           23206
      Origin ASes announcing only one prefix:                           11285
      Transit ASes present in the Internet Routing Table:                3441
      Transit-only ASes present in the Internet Routing Table:             78
      Average AS path length visible in the Internet Routing Table:       3.6
          Max AS path length visible:                                      28
          Max AS path prepend of ASN (35389)                               25
      Prefixes from unregistered ASNs in the Routing Table:                12
          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:             12
      Number of addresses announced to Internet:                   1792213248
          Equivalent to 106 /8s, 211 /16s and 1 /24s
          Percentage of available address space announced:               48.4
          Percentage of allocated address space announced:               61.8
          Percentage of available address space allocated:               78.2
      Total number of prefixes smaller than registry allocations:      110584
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    55518
          Total APNIC prefixes after maximum aggregation:               21176
          APNIC Deaggregation factor:                                    2.62
      Prefixes being announced from the APNIC address blocks:           52412
          Unique aggregates announced from the APNIC address blocks:    23200
      APNIC Region origin ASes present in the Internet Routing Table:    3065
          APNIC Prefixes per ASN:                                       17.10
      APNIC Region origin ASes announcing only one prefix:                795
      APNIC Region transit ASes present in the Internet Routing Table:    472
      Average APNIC Region AS path length visible:                        3.7
          Max APNIC Region AS path length visible:                         15
      Number of APNIC addresses announced to Internet:              325256896
          Equivalent to 19 /8s, 99 /16s and 6 /24s
          Percentage of available APNIC address space announced:         74.4
      
      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, 114/7, 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:                    111599
          Total ARIN prefixes after maximum aggregation:                63807
          ARIN Deaggregation factor:                                     1.75
      Prefixes being announced from the ARIN address blocks:            82514
          Unique aggregates announced from the ARIN address blocks:     32770
      ARIN Region origin ASes present in the Internet Routing Table:    11942
          ARIN Prefixes per ASN:                                         6.91
      ARIN Region origin ASes announcing only one prefix:                4596
      ARIN Region transit ASes present in the Internet Routing Table:    1123
      Average ARIN Region AS path length visible:                         3.4
          Max ARIN Region AS path length visible:                          14
      Number of ARIN addresses announced to Internet:               352493952
          Equivalent to 21 /8s, 2 /16s and 161 /24s
          Percentage of available ARIN address space announced:          77.8
      
      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:                     49651
          Total RIPE prefixes after maximum aggregation:                31991
          RIPE Deaggregation factor:                                     1.55
      Prefixes being announced from the RIPE address blocks:            46515
          Unique aggregates announced from the RIPE address blocks:     30992
      RIPE Region origin ASes present in the Internet Routing Table:    10471
          RIPE Prefixes per ASN:                                         4.44
      RIPE Region origin ASes announcing only one prefix:                5544
      RIPE Region transit ASes present in the Internet Routing Table:    1631
      Average RIPE Region AS path length visible:                         3.9
          Max RIPE Region AS path length visible:                          28
      Number of RIPE addresses announced to Internet:               336803584
          Equivalent to 20 /8s, 19 /16s and 55 /24s
          Percentage of available RIPE address space announced:          77.2
      
      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:                   17693
          Total LACNIC prefixes after maximum aggregation:               4565
          LACNIC Deaggregation factor:                                   3.88
      Prefixes being announced from the LACNIC address blocks:          15727
          Unique aggregates announced from the LACNIC address blocks:    8772
      LACNIC Region origin ASes present in the Internet Routing Table:    876
          LACNIC Prefixes per ASN:                                      17.95
      LACNIC Region origin ASes announcing only one prefix:               282
      LACNIC Region transit ASes present in the Internet Routing Table:   149
      Average LACNIC Region AS path length visible:                       4.0
          Max LACNIC Region AS path length visible:                        19
      Number of LACNIC addresses announced to Internet:              45867008
          Equivalent to 2 /8s, 187 /16s and 224 /24s
          Percentage of available LACNIC address space announced:        45.6
      
      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:                   3247
          Total AfriNIC prefixes after maximum aggregation:              1085
          AfriNIC Deaggregation factor:                                  2.99
      Prefixes being announced from the AfriNIC address blocks:          2398
          Unique aggregates announced from the AfriNIC address blocks:   1409
      AfriNIC Region origin ASes present in the Internet Routing Table:   214
          AfriNIC Prefixes per ASN:                                     11.21
      AfriNIC Region origin ASes announcing only one prefix:               68
      AfriNIC Region transit ASes present in the Internet Routing Table:   38
      Average AfriNIC Region AS path length visible:                      3.7
          Max AfriNIC Region AS path length visible:                       14
      Number of AfriNIC addresses announced to Internet:              8173056
          Equivalent to 0 /8s, 124 /16s and 182 /24s
          Percentage of available AfriNIC address space announced:       24.4
      
      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     1464        383          69   Videsh Sanchar Nigam Ltd. Aut
       4134     1102      11565         303   CHINANET-BACKBONE
       9583     1089         81         421   Sify Limited
       9498     1049        549          64   BHARTI BT INTERNET LTD.
      17488      879         57          70   Hathway IP Over Cable Interne
       4766      816       5474         329   Korea Telecom (KIX)
      23577      798         33         681   Korea Telecom (ATM-MPLS)
       7545      721        159         123   TPG Internet Pty Ltd
      18101      611        120          55   Reliance Infocom Ltd Internet
       1221      543       1951         424   Telstra Pty Ltd
       9829      530       1312           9   BSNL National Internet Backbo
       4812      524        866          77   China Telecom (Shanghai)
       4668      520         68          10   LG-EDS Systems Inc.
       4808      504        799         122   CNCGROUP IP network: China169
      17676      503      10919          64   Softbank BB Corp.
       4802      482        130         142   Wantree Development
       9443      440        121          70   Primus Telecommunications
      17974      398        146          14   PT TELEKOMUNIKASI INDONESIA
       7474      383        202         269   SingTel Optus Pty Ltd
       4837      356       5050         168   chinanet IDC center beijing n
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       7018     1500       6140        1013   AT&T WorldNet Services
       4323     1367       1016         359   Time Warner Telecom
       2386     1272        633         782   AT&T Data Communications Serv
      11492     1171        122          41   Cable One 
       6478     1124        329         179   AT&T Worldnet Services 
      18566     1032        288           9   Covad Communications 
       6197     1028        693         523   BellSouth Network Solutions, 
       7011      982        291         570   Citizens Utilities 
        174      975       6857         839   Cogent Communications
        701      906       6570         708   UUNET Technologies, Inc. 
      20115      846        775         453   Charter Communications 
       3356      833      10887         415   Level 3 Communications, LLC 
      22773      819       2133          54   Cox Communications, Inc.
      19262      812       2926         183   Verizon Global Networks 
       1239      799       2711         555   Sprint 
        209      736       3786         578   Qwest 
       5668      664        176          17   CenturyTel Internet Holdings,
      15270      601        161          41   PaeTec.net -a division of Pae
       3561      591       2324         372   Savvis
       6517      585        163          33   Yipes Communications, Inc. 
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        702      468       1917         381   UUNET - Commercial IP service
       9116      348        184          28   Goldenlines main autonomous s
       8551      327        314          40   Bezeq International
       3301      316       1441         293   TeliaNet Sweden
       3320      316       6035         262   Deutsche Telekom AG
       8866      280         78          26   Bulgarian Telecommunication C
       8708      275        421         245   Romania Data Systems S.A.
       6746      274        129         252   Dynamic Network Technologies,
        680      268       2045         254   DFN-IP service G-WiN
       3215      265       2519          91   France Telecom Transpac
       8452      262        188           7   TEDATA
       8220      258        445         236   COLT Telecommunications
       3352      235       1932          41   Ibernet, Internet Access Netw
       3269      230       2967          72   TELECOM ITALIA
       9121      210       1442          25   TTnet Autonomous System
       3300      198        171          93   AUCS Communications Services 
       3246      196        258         186   Song Networks
      12479      195        578           6   Uni2 Autonomous System
       1257      193       1194         176   SWIPnet Swedish IP Network
       3292      193       1380         177   TDC Tele Danmark
      
      LACNIC Region per AS prefix count summary
      -----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       8151     1131       2383         216   UniNet S.A. de C.V. 
      11830      539        299           9   Instituto Costarricense de El
      16814      427         27          10   NSS, S.A. 
      14522      381         33           8   SatNet S.A. 
       7303      377        183          58   Telecom Argentina Stet-France
      11172      374        114          60   Servicios Alestra S.A de C.V 
       6471      357         85          38   ENTEL CHILE S.A. 
      22047      317        246          13   VTR PUNTO NET S.A. 
      10481      301        120          10   Prima S.A. 
      14117      285         19          15   Telefonica del Sur S.A. 
      10620      260         72          42   TVCABLE BOGOTA 
       6147      242        182          20   Telefonica Del Peru 
      11556      236        128           4   Cable-Wireless Panama 
      23216      220         17          47   RAMtelecom Telecomunicaciones
      28573      212        314          27   NET Servicos de Comunicao S.A
       6503      211        185          81   AVANTEL, S.A. 
       7738      206        538          24   Telecomunicacoes da Bahia S.A
      20299      200         33          30   NEWCOM AMERICAS 
      21826      186         33          47   INTERCABLE 
      19169      183         12          19   Telconet 
      
      AfriNIC Region per AS prefix count summary
      ------------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
      24863      388         60          43   LINKdotNET AS number
       3741      281        869         226   The Internet Solution 
      20858      198         34           3   EgyNet
       6713      143        135          11   Itissalat Al-MAGHRIB
       2018      141        299         116   Tertiary Education Network 
       5536      124          8          10   Internet Egypt Network
      33783      123          8          16   EEPAD TISP TELECOM & INTERNET
      33776      100          6           3   Starcomms Nigeria Limited
      24835       88         48           6   RAYA Telecom - Egypt
      15475       83         84           4   Nile Online
       2905       76        176          73   The Internetworking Company o
      23889       76         24          15   MAURITIUS TELECOM
      20484       64          5           6   Yalla Online Autonomous Syste
      15706       58         12           4   Sudatel Internet Exchange Aut
      29571       55         11           7   Ci Telecom Autonomous system 
      33774       48         33          26   AS Number for Telecom Algeria
       5713       46        422          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
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
       4755      1464        1395      Videsh Sanchar Nigam Ltd. Aut
      11492      1171        1130      Cable One 
      18566      1032        1023      Covad Communications 
       4323      1367        1008      Time Warner Telecom
       9498      1049         985      BHARTI BT INTERNET LTD.
       6478      1124         945      AT&T Worldnet Services 
       8151      1131         915      UniNet S.A. de C.V. 
      17488       879         809      Hathway IP Over Cable Interne
       4134      1102         799      CHINANET-BACKBONE
      22773       819         765      Cox Communications, Inc.
       9583      1089         668      Sify Limited
       5668       664         647      CenturyTel Internet Holdings,
      19262       812         629      Verizon Global Networks 
       7545       721         598      TPG Internet Pty Ltd
      15270       601         560      PaeTec.net -a division of Pae
      18101       611         556      Reliance Infocom Ltd Internet
       6517       585         552      Yipes Communications, Inc. 
      11830       539         530      Instituto Costarricense de El
      19916       569         522      OLM LLC 
       9829       530         521      BSNL National Internet Backbo
      
      List of Unregistered Origin ASNs (Global)
      -----------------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
      65000   PRIVATE       41.204.180.0/24      36866       Jamii Telecommunicat
      64999   PRIVATE       78.24.120.0/23        3257       Tiscali Intl Network
      64999   PRIVATE       78.24.122.0/23        3257       Tiscali Intl Network
      64999   PRIVATE       78.24.124.0/24        3257       Tiscali Intl Network
      64999   PRIVATE       78.24.125.0/24        3257       Tiscali Intl Network
      64999   PRIVATE       78.24.126.0/24        3257       Tiscali Intl Network
      64999   PRIVATE       78.24.127.0/24        3257       Tiscali Intl Network
      65068   PRIVATE       79.171.184.0/21      43895       *
      65044   PRIVATE       195.2.228.0/23        9044       SolNet Backbone
      65300   PRIVATE       216.243.221.0/24     11320       Internet Express, In
      65300   PRIVATE       216.243.222.0/24     11320       Internet Express, In
      65300   PRIVATE       216.243.223.0/24     11320       Internet Express, In
      
      Advertised Unallocated Addresses
      --------------------------------
      
      Network            Origin AS  Description
      31.31.31.0/24         9730     The Best ISP to go Multimedia
      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
      173.173.173.0/24      9730     The Best ISP to go Multimedia
      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        /8:18       /9:9       /10:16      /11:39      /12:134     
      /13:270     /14:483     /15:947     /16:9726    /17:4201    /18:6777    
      /19:14681   /20:16839   /21:15716   /22:19903   /23:20907   /24:124578  
      /25:816     /26:1018    /27:536     /28:101     /29:5       /30:0       
      /31:0       /32:8       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
      11492     1162          1171      Cable One 
       6478     1123          1124      AT&T Worldnet Services 
      18566     1014          1032      Covad Communications 
       2386      963          1272      AT&T Data Communications Serv
       9583      933          1089      Sify Limited
       7011      869           982      Citizens Utilities 
       4755      836          1464      Videsh Sanchar Nigam Ltd. Aut
       7018      824          1500      AT&T WorldNet Services
      23577      789           798      Korea Telecom (ATM-MPLS)
       6197      773          1028      BellSouth Network Solutions, 
       9498      733          1049      BHARTI BT INTERNET LTD.
      17488      694           879      Hathway IP Over Cable Interne
       4766      606           816      Korea Telecom (KIX)
       4323      580          1367      Time Warner Telecom
      19916      564           569      OLM LLC 
      15270      563           601      PaeTec.net -a division of Pae
       6517      541           585      Yipes Communications, Inc. 
       5668      522           664      CenturyTel Internet Holdings,
       4668      510           520      LG-EDS Systems Inc.
      18101      508           611      Reliance Infocom Ltd Internet
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:9         8:89       12:1843     13:1        15:19       16:3      
        17:6        18:13       20:35       24:1006     25:1        31:1      
        32:63       33:3        38:361      40:64       41:398      44:2      
        47:8        52:3        55:3        56:3        57:21       58:477    
        59:414      60:384      61:988      62:937      63:1981     64:3297   
        65:2373     66:3586     67:897      68:680      69:1993     70:465    
        71:105      72:1432     73:7        74:735      75:263      76:156    
        77:429      78:279      79:17       80:876      81:795      82:570    
        83:351      84:616      85:826      86:359      87:594      88:284    
        89:1021     90:39       91:746      92:5        96:2        97:6      
        98:13      116:427     117:224     118:45      121:327     122:642    
       123:204     124:720     125:1050    128:308     129:195     130:137    
       131:371     132:59      133:9       134:194     135:34      136:192    
       137:82      138:153     139:75      140:420     141:146     142:373    
       143:257     144:324     145:48      146:331     147:125     148:484    
       149:185     150:113     151:137     152:95      153:122     154:11     
       155:260     156:164     157:225     158:160     159:197     160:163    
       161:102     162:190     163:184     164:498     165:404     166:290    
       167:309     168:517     169:128     170:415     171:29      172:3      
       173:1       189:116     190:1218    192:5733    193:4040    194:3201   
       195:2329    196:927     198:3804    199:3229    200:5241    201:1276   
       202:7451    203:7836    204:3988    205:2003    206:2408    207:2781   
       208:2972    209:3582    210:2494    211:1106    212:1306    213:1540   
       214:424     215:44      216:4094    217:1189    218:337     219:399    
       220:1013    221:409     222:277    
      
      End of report