[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, 26 Jan 2008 04:06:57 +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 26 Jan, 2008
      
      Report Website:     http://thyme.apnic.net
      Detailed Analysis:  http://thyme.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              243794
          Prefixes after maximum aggregation:                          124576
          Deaggregation factor:                                          1.96
          Unique aggregates announced to Internet:                     119269
      Total ASes present in the Internet Routing Table:                 27200
          Prefixes per ASN:                                              8.96
      Origin-only ASes present in the Internet Routing Table:           23719
      Origin ASes announcing only one prefix:                           11517
      Transit ASes present in the Internet Routing Table:                3481
      Transit-only ASes present in the Internet Routing Table:             68
      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:                22
          Unregistered ASNs in the Routing Table:                          12
      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:                   1822105376
          Equivalent to 108 /8s, 155 /16s and 31 /24s
          Percentage of available address space announced:               49.2
          Percentage of allocated address space announced:               62.9
          Percentage of available address space allocated:               78.2
      Total number of prefixes smaller than registry allocations:      114971
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    55917
          Total APNIC prefixes after maximum aggregation:               21083
          APNIC Deaggregation factor:                                    2.65
      Prefixes being announced from the APNIC address blocks:           53423
          Unique aggregates announced from the APNIC address blocks:    23898
      APNIC Region origin ASes present in the Internet Routing Table:    3111
          APNIC Prefixes per ASN:                                       17.17
      APNIC Region origin ASes announcing only one prefix:                812
      APNIC Region transit ASes present in the Internet Routing Table:    466
      Average APNIC Region AS path length visible:                        3.6
          Max APNIC Region AS path length visible:                         15
      Number of APNIC addresses announced to Internet:              326665632
          Equivalent to 19 /8s, 120 /16s and 133 /24s
          Percentage of available APNIC address space announced:         74.7
      
      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:                    114924
          Total ARIN prefixes after maximum aggregation:                65330
          ARIN Deaggregation factor:                                     1.76
      Prefixes being announced from the ARIN address blocks:            83810
          Unique aggregates announced from the ARIN address blocks:     33376
      ARIN Region origin ASes present in the Internet Routing Table:    12093
          ARIN Prefixes per ASN:                                         6.93
      ARIN Region origin ASes announcing only one prefix:                4664
      ARIN Region transit ASes present in the Internet Routing Table:    1144
      Average ARIN Region AS path length visible:                         3.4
          Max ARIN Region AS path length visible:                          15
      Number of ARIN addresses announced to Internet:               358115712
          Equivalent to 21 /8s, 88 /16s and 105 /24s
          Percentage of available ARIN address space announced:          79.1
      
      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:                     51160
          Total RIPE prefixes after maximum aggregation:                32412
          RIPE Deaggregation factor:                                     1.58
      Prefixes being announced from the RIPE address blocks:            48451
          Unique aggregates announced from the RIPE address blocks:     32314
      RIPE Region origin ASes present in the Internet Routing Table:    10810
          RIPE Prefixes per ASN:                                         4.48
      RIPE Region origin ASes announcing only one prefix:                5683
      RIPE Region transit ASes present in the Internet Routing Table:    1648
      Average RIPE Region AS path length visible:                         4.0
          Max RIPE Region AS path length visible:                          18
      Number of RIPE addresses announced to Internet:               340946688
          Equivalent to 20 /8s, 82 /16s and 111 /24s
          Percentage of available RIPE address space announced:          78.2
      
      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:                   18403
          Total LACNIC prefixes after maximum aggregation:               4632
          LACNIC Deaggregation factor:                                   3.97
      Prefixes being announced from the LACNIC address blocks:          16596
          Unique aggregates announced from the LACNIC address blocks:    9066
      LACNIC Region origin ASes present in the Internet Routing Table:    897
          LACNIC Prefixes per ASN:                                      18.50
      LACNIC Region origin ASes announcing only one prefix:               290
      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:                        17
      Number of LACNIC addresses announced to Internet:              47317568
          Equivalent to 2 /8s, 210 /16s and 2 /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:                   3375
          Total AfriNIC prefixes after maximum aggregation:              1101
          AfriNIC Deaggregation factor:                                  3.07
      Prefixes being announced from the AfriNIC address blocks:          2543
          Unique aggregates announced from the AfriNIC address blocks:   1445
      AfriNIC Region origin ASes present in the Internet Routing Table:   220
          AfriNIC Prefixes per ASN:                                     11.56
      AfriNIC Region origin ASes announcing only one prefix:               68
      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:              8256000
          Equivalent to 0 /8s, 125 /16s and 250 /24s
          Percentage of available AfriNIC address space announced:       24.6
      
      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     1550        384          74   Videsh Sanchar Nigam Ltd. Aut
       9583     1120         83         439   Sify Limited
       9498     1110        549          61   BHARTI BT INTERNET LTD.
      17488      961         62          87   Hathway IP Over Cable Interne
       4134      863      11761         311   CHINANET-BACKBONE
       4766      841       5494         340   Korea Telecom (KIX)
      23577      817         34         696   Korea Telecom (ATM-MPLS)
      18101      609        128          65   Reliance Infocom Ltd Internet
       4780      596        309          46   Digital United Inc.
       9829      584        449          11   BSNL National Internet Backbo
       4812      546        938          84   China Telecom (Shanghai)
       1221      545       1952         420   Telstra Pty Ltd
       4808      530        821         125   CNCGROUP IP network: China169
       4668      523         68          10   LG-EDS Systems Inc.
      17676      506      10919          64   Softbank BB Corp.
       7545      497        147          94   TPG Internet Pty Ltd
       4802      470        128         151   Wantree Development
       9443      437        121          71   Primus Telecommunications
      17974      402        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     1461       6073         989   AT&T WorldNet Services
       4323     1384       1012         366   Time Warner Telecom
       2386     1346        633         827   AT&T Data Communications Serv
      11492     1210        135          17   Cable One 
       6478     1101        331         121   AT&T Worldnet Services 
      18566     1041        296          10   Covad Communications 
       6197     1033        739         510   BellSouth Network Solutions, 
       7011     1030        300         592   Citizens Utilities 
        174      971       6834         813   Cogent Communications
        701      900       6560         690   UUNET Technologies, Inc. 
      19262      877       3227         149   Verizon Global Networks 
      20115      866        797         471   Charter Communications 
      22773      844       2139          58   Cox Communications, Inc.
       3356      840      10909         413   Level 3 Communications, LLC 
       1239      794       2672         553   Sprint 
        209      744       3910         596   Qwest 
       5668      668        177          21   CenturyTel Internet Holdings,
      15270      635        193          55   PaeTec.net -a division of Pae
       6517      619        151          42   Yipes Communications, Inc. 
       6140      606        110         155   ImpSat
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       3292      394       1650         359   TDC Tele Danmark
       3301      330       1458         301   TeliaNet Sweden
       3320      319       6019         265   Deutsche Telekom AG
       8452      295        188           7   TEDATA
       8866      282         78          24   Bulgarian Telecommunication C
       8551      279        267          42   Bezeq International
       8708      272        420         240   Romania Data Systems S.A.
        680      271       2046         256   DFN-IP service G-WiN
       3215      270       2583          92   France Telecom Transpac
       6746      270        128         248   Dynamic Network Technologies,
       8220      253        422         227   COLT Telecommunications
       3352      241       1948          40   Ibernet, Internet Access Netw
       3269      233       3085          70   TELECOM ITALIA
       5462      229        666          27   Telewest Broadband
       9155      214         45          10   QualityNet AS number
       3300      211        172         100   AUCS Communications Services 
       9121      207       1444          25   TTnet Autonomous System
       1257      199       1196         182   SWIPnet Swedish IP Network
      29357      199         17           4   WATANIYA TELECOM
       2856      195       2307         162   BTnet UK Regional network
      
      LACNIC Region per AS prefix count summary
      -----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       8151     1150       2390         218   UniNet S.A. de C.V. 
      11830      547        299           9   Instituto Costarricense de El
       7303      427        208          54   Telecom Argentina Stet-France
      16814      427         27          10   NSS, S.A. 
      11172      396        115          62   Servicios Alestra S.A de C.V 
       6471      394         85          39   ENTEL CHILE S.A. 
      10620      352         92          26   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      257        214          21   Telefonica Del Peru 
       7738      244        602          25   Telecomunicacoes da Bahia S.A
      11556      237        128           5   Cable-Wireless Panama 
      23216      232         17          49   RAMtelecom Telecomunicaciones
      28573      230        322          24   NET Servicos de Comunicao S.A
      20299      227         33          30   NEWCOM AMERICAS 
       6503      219        180          85   AVANTEL, S.A. 
      10834      194         76          41   ADVANCE TELECOMUNICACIONES S.
      19169      191         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          30   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      129          9          15   EEPAD TISP TELECOM & INTERNET
       5536      124          8          10   Internet Egypt Network
      33776       99          6           7   Starcomms Nigeria Limited
      15475       93         84           4   Nile Online
      24835       88         48           6   RAYA Telecom - Egypt
      23889       78         24          16   MAURITIUS TELECOM
      29571       77         13           7   Ci Telecom Autonomous system 
       2905       76        174          73   The Internetworking Company o
      20484       71          5           4   Yalla Online Autonomous Syste
      15706       58         12           4   Sudatel Internet Exchange Aut
       5713       51        455          41   Telkom SA Ltd 
      33774       51         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 
       9498      1110        1049      BHARTI BT INTERNET LTD.
      18566      1041        1031      Covad Communications 
       4323      1384        1018      Time Warner Telecom
       6478      1101         980      AT&T Worldnet Services 
       8151      1150         932      UniNet S.A. de C.V. 
      17488       961         874      Hathway IP Over Cable Interne
      22773       844         786      Cox Communications, Inc.
      19262       877         728      Verizon Global Networks 
       9583      1120         681      Sify Limited
       5668       668         647      CenturyTel Internet Holdings,
      15270       635         580      PaeTec.net -a division of Pae
       6517       619         577      Yipes Communications, Inc. 
       9829       584         573      BSNL National Internet Backbo
       4134       863         552      CHINANET-BACKBONE
       4780       596         550      Digital United Inc.
      18101       609         544      Reliance Infocom Ltd Internet
      11830       547         538      Instituto Costarricense de El
       6197      1033         523      BellSouth Network Solutions, 
      19916       563         521      OLM LLC 
      
      List of Unregistered Origin ASNs (Global)
      -----------------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
      15190   UNALLOCATED   63.98.176.0/24         701       UUNET Technologies, 
      18506   UNALLOCATED   63.107.123.0/24      33286       Turlock Irrigation D
      14699   UNALLOCATED   63.238.252.0/24      30517       Great Lakes Comnet, 
      14699   UNALLOCATED   63.238.253.0/24      30517       Great Lakes Comnet, 
      14699   UNALLOCATED   64.85.144.0/22       30517       Great Lakes Comnet, 
      33526   UNALLOCATED   64.128.26.0/24        4323       Time Warner Telecom
      14699   UNALLOCATED   65.112.79.0/24       30517       Great Lakes Comnet, 
      21624   UNALLOCATED   65.163.176.0/24        701       UUNET Technologies, 
      14699   UNALLOCATED   72.35.42.0/24        30517       Great Lakes Comnet, 
      14699   UNALLOCATED   72.35.43.0/24        30517       Great Lakes Comnet, 
      14699   UNALLOCATED   72.35.44.0/22        30517       Great Lakes Comnet, 
      14699   UNALLOCATED   72.35.60.0/24        30517       Great Lakes Comnet, 
      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 
      14699   UNALLOCATED   208.25.96.0/24       30517       Great Lakes Comnet, 
      14699   UNALLOCATED   208.25.97.0/24       30517       Great Lakes Comnet, 
      21624   UNALLOCATED   208.246.136.0/24       701       UUNET Technologies, 
      21624   UNALLOCATED   208.248.233.0/24       701       UUNET Technologies, 
      14699   UNALLOCATED   209.165.242.0/23     30517       Great Lakes Comnet, 
      
      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        /8:19       /9:9       /10:15      /11:39      /12:136     
      /13:275     /14:490     /15:974     /16:9750    /17:4218    /18:6957    
      /19:14934   /20:17118   /21:16251   /22:20453   /23:21579   /24:127936  
      /25:874     /26:1095    /27:552     /28:102     /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     1100          1101      AT&T Worldnet Services 
       2386     1047          1346      AT&T Data Communications Serv
      18566     1022          1041      Covad Communications 
       9583      965          1120      Sify Limited
       7011      914          1030      Citizens Utilities 
       4755      911          1550      Videsh Sanchar Nigam Ltd. Aut
      23577      808           817      Korea Telecom (ATM-MPLS)
       7018      800          1461      AT&T WorldNet Services
       9498      782          1110      BHARTI BT INTERNET LTD.
       6197      776          1033      BellSouth Network Solutions, 
      17488      776           961      Hathway IP Over Cable Interne
       4766      624           841      Korea Telecom (KIX)
       4323      587          1384      Time Warner Telecom
      15270      587           635      PaeTec.net -a division of Pae
       6517      582           619      Yipes Communications, Inc. 
      19916      558           563      OLM LLC 
       5668      524           668      CenturyTel Internet Holdings,
       4668      513           523      LG-EDS Systems Inc.
      18101      496           609      Reliance Infocom Ltd Internet
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:9         8:98       12:1953     13:2        15:21       16:3      
        17:6        18:14       20:35       22:1        24:1012     25:1      
        31:1        32:61       33:4        38:386      40:65       41:467    
        44:2        47:8        52:3        55:3        56:3        57:22     
        58:508      59:419      60:408      61:982      62:1056     63:1969   
        64:3364     65:2368     66:3624     67:1058     68:636      69:2090   
        70:471      71:102      72:1462     73:7        74:801      75:171    
        76:186      77:484      78:460      79:70       80:885      81:792    
        82:582      83:350      84:525      85:949      86:375      87:611    
        88:287      89:1095     90:42       91:945      92:72       93:54     
        96:2        97:7        98:36      114:1       115:1       116:494    
       117:247     118:62      119:98      121:408     122:664     123:265    
       124:779     125:1071    128:309     129:199     130:130     131:393    
       132:68      133:9       134:188     135:36      136:216     137:97     
       138:156     139:81      140:495     141:106     142:377     143:266    
       144:322     145:51      146:334     147:130     148:485     149:178    
       150:118     151:139     152:94      153:130     154:11      155:284    
       156:198     157:250     158:164     159:215     160:212     161:96     
       162:198     163:185     164:560     165:417     166:292     167:308    
       168:564     169:132     170:430     171:28      172:3       173:1      
       189:143     190:1312    192:5754    193:4083    194:3241    195:2314   
       196:961     198:3787    199:3192    200:5431    201:1273    202:7508   
       203:7919    204:3971    205:2062    206:2432    207:2739    208:3118   
       209:3636    210:2636    211:1023    212:1287    213:1588    214:444    
       215:47      216:4136    217:1216    218:336     219:398     220:1006   
       221:413     222:300    
      
      End of report