[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, 19 Jan 2008 10:05:05 +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   10:00 +10GMT Sat 19 Jan, 2008
      
      Report Website:     http://thyme.apnic.net
      Detailed Analysis:  http://thyme.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              243516
          Prefixes after maximum aggregation:                          123936
          Deaggregation factor:                                          1.96
          Unique aggregates announced to Internet:                     117788
      Total ASes present in the Internet Routing Table:                 27117
          Prefixes per ASN:                                              8.98
      Origin-only ASes present in the Internet Routing Table:           23629
      Origin ASes announcing only one prefix:                           11488
      Transit ASes present in the Internet Routing Table:                3488
      Transit-only ASes present in the Internet Routing Table:             74
      Average AS path length visible in the Internet Routing Table:       3.6
          Max AS path length visible:                                      18
          Max AS path prepend of ASN (29642)                               15
      Prefixes from unregistered ASNs in the Routing Table:                10
          Unregistered ASNs in the Routing Table:                          10
      Prefixes from 32-bit ASNs in the Routing Table:                       9
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:             12
      Number of addresses announced to Internet:                   1803647520
          Equivalent to 107 /8s, 129 /16s and 122 /24s
          Percentage of available address space announced:               48.7
          Percentage of allocated address space announced:               62.2
          Percentage of available address space allocated:               78.2
      Total number of prefixes smaller than registry allocations:      114743
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    56152
          Total APNIC prefixes after maximum aggregation:               20652
          APNIC Deaggregation factor:                                    2.72
      Prefixes being announced from the APNIC address blocks:           53652
          Unique aggregates announced from the APNIC address blocks:    22808
      APNIC Region origin ASes present in the Internet Routing Table:    3100
          APNIC Prefixes per ASN:                                       17.31
      APNIC Region origin ASes announcing only one prefix:                809
      APNIC Region transit ASes present in the Internet Routing Table:    459
      Average APNIC Region AS path length visible:                        3.6
          Max APNIC Region AS path length visible:                         14
      Number of APNIC addresses announced to Internet:              326308000
          Equivalent to 19 /8s, 115 /16s and 16 /24s
          Percentage of available APNIC address space announced:         74.6
      
      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, 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:                    114660
          Total ARIN prefixes after maximum aggregation:                65243
          ARIN Deaggregation factor:                                     1.76
      Prefixes being announced from the ARIN address blocks:            83573
          Unique aggregates announced from the ARIN address blocks:     33291
      ARIN Region origin ASes present in the Internet Routing Table:    12069
          ARIN Prefixes per ASN:                                         6.92
      ARIN Region origin ASes announcing only one prefix:                4657
      ARIN Region transit ASes present in the Internet Routing Table:    1148
      Average ARIN Region AS path length visible:                         3.4
          Max ARIN Region AS path length visible:                          15
      Number of ARIN addresses announced to Internet:               357760960
          Equivalent to 21 /8s, 82 /16s and 255 /24s
          Percentage of available ARIN address space announced:          79.0
      
      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:                     50874
          Total RIPE prefixes after maximum aggregation:                32306
          RIPE Deaggregation factor:                                     1.57
      Prefixes being announced from the RIPE address blocks:            48212
          Unique aggregates announced from the RIPE address blocks:     32047
      RIPE Region origin ASes present in the Internet Routing Table:    10762
          RIPE Prefixes per ASN:                                         4.48
      RIPE Region origin ASes announcing only one prefix:                5665
      RIPE Region transit ASes present in the Internet Routing Table:    1657
      Average RIPE Region AS path length visible:                         4.0
          Max RIPE Region AS path length visible:                          18
      Number of RIPE addresses announced to Internet:               340400128
          Equivalent to 20 /8s, 74 /16s and 24 /24s
          Percentage of available RIPE address space announced:          78.0
      
      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:                   18457
          Total LACNIC prefixes after maximum aggregation:               4611
          LACNIC Deaggregation factor:                                   4.00
      Prefixes being announced from the LACNIC address blocks:          16670
          Unique aggregates announced from the LACNIC address blocks:    9023
      LACNIC Region origin ASes present in the Internet Routing Table:    894
          LACNIC Prefixes per ASN:                                      18.65
      LACNIC Region origin ASes announcing only one prefix:               288
      LACNIC Region transit ASes present in the Internet Routing Table:   150
      Average LACNIC Region AS path length visible:                       3.9
          Max LACNIC Region AS path length visible:                        15
      Number of LACNIC addresses announced to Internet:              47263488
          Equivalent to 2 /8s, 209 /16s and 47 /24s
          Percentage of available LACNIC address space announced:        47.0
      
      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:                   3358
          Total AfriNIC prefixes after maximum aggregation:              1106
          AfriNIC Deaggregation factor:                                  3.04
      Prefixes being announced from the AfriNIC address blocks:          2507
          Unique aggregates announced from the AfriNIC address blocks:   1457
      AfriNIC Region origin ASes present in the Internet Routing Table:   217
          AfriNIC Prefixes per ASN:                                     11.55
      AfriNIC Region origin ASes announcing only one prefix:               69
      AfriNIC Region transit ASes present in the Internet Routing Table:   39
      Average AfriNIC Region AS path length visible:                      3.7
          Max AfriNIC Region AS path length visible:                       14
      Number of AfriNIC addresses announced to Internet:              8208896
          Equivalent to 0 /8s, 125 /16s and 66 /24s
          Percentage of available AfriNIC address space announced:       24.5
      
      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     1546        384          75   Videsh Sanchar Nigam Ltd. Aut
       9583     1126        108          16   Sify Limited
       9498     1102        549          61   BHARTI BT INTERNET LTD.
      17488      960         62          87   Hathway IP Over Cable Interne
       4134      862      11761         310   CHINANET-BACKBONE
       4766      839       5494         340   Korea Telecom (KIX)
      23577      817         34         695   Korea Telecom (ATM-MPLS)
      18101      608        121          60   Reliance Infocom Ltd Internet
       4780      594        309          45   Digital United Inc.
       9829      592        449          11   BSNL National Internet Backbo
       1221      544       1952         420   Telstra Pty Ltd
       4812      531        934          86   China Telecom (Shanghai)
       4808      530        821         125   CNCGROUP IP network: China169
       4668      523         68          10   LG-EDS Systems Inc.
      17676      506      10919          64   Softbank BB Corp.
       7545      486        147          92   TPG Internet Pty Ltd
       4802      469        128         150   Wantree Development
       9443      437        121          71   Primus Telecommunications
      17974      399        145          17   PT TELEKOMUNIKASI INDONESIA
       7474      385        202         271   SingTel Optus Pty Ltd
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       7018     1465       6058         990   AT&T WorldNet Services
       4323     1389       1010         364   Time Warner Telecom
       2386     1361        668         831   AT&T Data Communications Serv
      11492     1210        135          17   Cable One 
       6478     1100        331         121   AT&T Worldnet Services 
      18566     1040        296          10   Covad Communications 
       7011     1025        299         587   Citizens Utilities 
        174      970       6834         812   Cogent Communications
       6197      970        713         503   BellSouth Network Solutions, 
        701      896       6559         690   UUNET Technologies, Inc. 
      19262      874       3219         151   Verizon Global Networks 
      20115      864        795         471   Charter Communications 
      22773      841       2139          58   Cox Communications, Inc.
       3356      839      10910         413   Level 3 Communications, LLC 
       1239      793       2672         551   Sprint 
        209      748       3911         600   Qwest 
       5668      667        177          21   CenturyTel Internet Holdings,
       6140      616        110         152   ImpSat
       6517      609        150          41   Yipes Communications, Inc. 
      15270      604        161          56   PaeTec.net -a division of Pae
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       3292      403       1651         368   TDC Tele Danmark
       3301      330       1458         301   TeliaNet Sweden
       3320      318       6019         264   Deutsche Telekom AG
       8452      288        188           7   TEDATA
       8866      279         78          24   Bulgarian Telecommunication C
       8551      278        267          41   Bezeq International
        680      270       2046         255   DFN-IP service G-WiN
       3215      270       2583          92   France Telecom Transpac
       8708      270        420         241   Romania Data Systems S.A.
       6746      269        128         247   Dynamic Network Technologies,
       8220      250        422         227   COLT Telecommunications
       3352      241       1948          40   Ibernet, Internet Access Netw
       3269      231       3037          68   TELECOM ITALIA
       5462      229        666          27   Telewest Broadband
       9155      216         43          10   QualityNet AS number
       3300      211        172         100   AUCS Communications Services 
       9121      209       1444          25   TTnet Autonomous System
      29357      199         17           4   WATANIYA TELECOM
       1257      197       1196         180   SWIPnet Swedish IP Network
       2856      195       2307         162   BTnet UK Regional network
      
      LACNIC Region per AS prefix count summary
      -----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       8151     1147       2390         215   UniNet S.A. de C.V. 
      11830      547        299           9   Instituto Costarricense de El
      16814      427         27          10   NSS, S.A. 
       7303      421        205          54   Telecom Argentina Stet-France
      11172      396        115          62   Servicios Alestra S.A de C.V 
       6471      385         85          39   ENTEL CHILE S.A. 
      10620      351         92          25   TVCABLE BOGOTA 
      14117      351         23          16   Telefonica del Sur S.A. 
      22047      322        254          13   VTR PUNTO NET S.A. 
      10481      301        120          10   Prima S.A. 
       6147      255        214          21   Telefonica Del Peru 
       7738      239        602          25   Telecomunicacoes da Bahia S.A
      11556      236        128           4   Cable-Wireless Panama 
      20299      236         33          29   NEWCOM AMERICAS 
      23216      231         17          49   RAMtelecom Telecomunicaciones
      28573      228        322          23   NET Servicos de Comunicao S.A
       6503      220        180          85   AVANTEL, S.A. 
      10834      193         76          40   ADVANCE TELECOMUNICACIONES S.
      19169      193         12          20   Telconet 
      21826      187         33          48   INTERCABLE 
      
      AfriNIC Region per AS prefix count summary
      ------------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
      24863      408         60          31   LINKdotNET AS number
       3741      279        869         225   The Internet Solution 
      20858      202         34           3   EgyNet
       6713      145        135          11   Itissalat Al-MAGHRIB
       2018      142        268         114   Tertiary Education Network 
      33783      127          9          20   EEPAD TISP TELECOM & INTERNET
       5536      124          8          10   Internet Egypt Network
      33776       99          6           7   Starcomms Nigeria Limited
      15475       89         84           4   Nile Online
      24835       88         48           6   RAYA Telecom - Egypt
      29571       77         13           7   Ci Telecom Autonomous system 
       2905       76        174          73   The Internetworking Company o
      23889       76         24          16   MAURITIUS TELECOM
      20484       71          5           4   Yalla Online Autonomous Syste
      15706       57         12           4   Sudatel Internet Exchange Aut
       5713       50        455          40   Telkom SA Ltd 
      33774       50         37          28   AS Number for Telecom Algeria
      16637       47         21          28   Johnnic e-Ventures 
       8524       33          2           8   AUCEGYPT Autonomous System
      21152       32          2           1   AS for the uplinks of Soficom
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
      11492      1210        1193      Cable One 
       9583      1126        1110      Sify Limited
       9498      1102        1041      BHARTI BT INTERNET LTD.
      18566      1040        1030      Covad Communications 
       4323      1389        1025      Time Warner Telecom
       6478      1100         979      AT&T Worldnet Services 
       8151      1147         932      UniNet S.A. de C.V. 
      17488       960         873      Hathway IP Over Cable Interne
      22773       841         783      Cox Communications, Inc.
      19262       874         723      Verizon Global Networks 
       5668       667         646      CenturyTel Internet Holdings,
       9829       592         581      BSNL National Internet Backbo
       6517       609         568      Yipes Communications, Inc. 
       4134       862         552      CHINANET-BACKBONE
       4780       594         549      Digital United Inc.
      18101       608         548      Reliance Infocom Ltd Internet
      15270       604         548      PaeTec.net -a division of Pae
      11830       547         538      Instituto Costarricense de El
       2386      1361         530      AT&T Data Communications Serv
      19916       563         521      OLM LLC 
      
      List of Unregistered Origin ASNs (Global)
      -----------------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
      18506   UNALLOCATED   63.107.123.0/24      33286       Turlock Irrigation D
      33526   UNALLOCATED   64.128.26.0/24        4323       Time Warner Telecom
      21624   UNALLOCATED   65.163.176.0/24        701       UUNET Technologies, 
      65364   PRIVATE       190.144.163.0/24     14080       FIRSTCOM COLOMBIA 
      65389   PRIVATE       190.144.166.0/24     14080       FIRSTCOM COLOMBIA 
      65394   PRIVATE       190.144.167.0/24     14080       FIRSTCOM COLOMBIA 
      65403   PRIVATE       190.144.168.0/24     14080       FIRSTCOM COLOMBIA 
      65375   PRIVATE       190.144.175.0/24     14080       FIRSTCOM COLOMBIA 
      21624   UNALLOCATED   208.246.136.0/24       701       UUNET Technologies, 
      21624   UNALLOCATED   208.248.233.0/24       701       UUNET Technologies, 
      
      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       /10:15      /11:40      /12:137     
      /13:275     /14:490     /15:973     /16:9746    /17:4214    /18:6946    
      /19:14889   /20:17106   /21:16196   /22:20423   /23:21532   /24:127846  
      /25:875     /26:1104    /27:558     /28:106     /29:9       /30:1       
      /31:0       /32:8       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
      11492     1200          1210      Cable One 
       6478     1099          1100      AT&T Worldnet Services 
       2386     1055          1361      AT&T Data Communications Serv
      18566     1021          1040      Covad Communications 
       9583      962          1126      Sify Limited
       7011      910          1025      Citizens Utilities 
       4755      906          1546      Videsh Sanchar Nigam Ltd. Aut
      23577      808           817      Korea Telecom (ATM-MPLS)
       7018      799          1465      AT&T WorldNet Services
      17488      775           960      Hathway IP Over Cable Interne
       9498      774          1102      BHARTI BT INTERNET LTD.
       6197      729           970      BellSouth Network Solutions, 
       4766      622           839      Korea Telecom (KIX)
       4323      594          1389      Time Warner Telecom
       6517      572           609      Yipes Communications, Inc. 
      15270      563           604      PaeTec.net -a division of Pae
      19916      558           563      OLM LLC 
       5668      524           667      CenturyTel Internet Holdings,
       4668      513           523      LG-EDS Systems Inc.
      18101      502           608      Reliance Infocom Ltd Internet
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:9         8:95       12:1944     13:2        15:21       16:3      
        17:6        18:14       20:35       24:1013     25:1        31:1      
        32:61       33:4        38:382      40:65       41:449      44:2      
        47:8        52:3        55:3        56:3        57:22       58:506    
        59:416      60:407      61:976      62:1058     63:1976     64:3337   
        65:2378     66:3609     67:1055     68:635      69:2087     70:467    
        71:102      72:1458     73:7        74:789      75:170      76:183    
        77:479      78:443      79:66       80:884      81:787      82:574    
        83:352      84:513      85:921      86:372      87:602      88:291    
        89:1085     90:41       91:924      92:67       93:18       96:3      
        97:7        98:30      114:1       115:1       116:488     117:243    
       118:61      119:92      121:405     122:673     123:264     124:773    
       125:1068    128:309     129:199     130:125     131:392     132:68     
       133:9       134:187     135:31      136:215     137:97      138:156    
       139:82      140:497     141:106     142:378     143:265     144:322    
       145:51      146:331     147:128     148:480     149:188     150:116    
       151:132     152:95      153:127     154:11      155:281     156:197    
       157:249     158:164     159:212     160:213     161:96      162:199    
       163:186     164:562     165:419     166:291     167:311     168:572    
       169:132     170:435     171:28      172:3       173:1       189:142    
       190:1342    192:5751    193:4067    194:3249    195:2319    196:955    
       198:3807    199:3212    200:5442    201:1285    202:7546    203:7896   
       204:3961    205:2051    206:2418    207:2745    208:3104    209:3611   
       210:2651    211:1137    212:1292    213:1618    214:444     215:46     
       216:4126    217:1233    218:331     219:405     220:1013    221:411    
       222:298    
      
      End of report