[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, 29 Dec 2007 04:02:52 +1000 (EST)
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  • Reply-to: pfs@cisco.com
    • Routing Table as seen from APNIC's router in Japan.
      Daily listings are sent to bgp-stats at lists dot apnic dot net
      
      For historical data, please see http://thyme.apnic.net.
      
      If you have any comments please contact Philip Smith <pfs at cisco dot com>.
      
      Routing Table Report   04:00 +10GMT Sat 29 Dec, 2007
      
      Report Website:     http://thyme.apnic.net
      Detailed Analysis:  http://thyme.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              241684
          Prefixes after maximum aggregation:                          123919
          Deaggregation factor:                                          1.95
          Unique aggregates announced to Internet:                     117876
      Total ASes present in the Internet Routing Table:                 26983
          Prefixes per ASN:                                              8.96
      Origin-only ASes present in the Internet Routing Table:           23493
      Origin ASes announcing only one prefix:                           11440
      Transit ASes present in the Internet Routing Table:                3490
      Transit-only ASes present in the Internet Routing Table:             71
      Average AS path length visible in the Internet Routing Table:       3.6
          Max AS path length visible:                                      19
          Max AS path prepend of ASN (29642)                               15
      Prefixes from unregistered ASNs in the Routing Table:                11
          Unregistered ASNs in the Routing Table:                          11
      Prefixes from 32-bit ASNs in the Routing Table:                       8
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:             12
      Number of addresses announced to Internet:                   1798626608
          Equivalent to 107 /8s, 52 /16s and 221 /24s
          Percentage of available address space announced:               48.5
          Percentage of allocated address space announced:               62.1
          Percentage of available address space allocated:               78.2
      Total number of prefixes smaller than registry allocations:      113437
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    50697
          Total APNIC prefixes after maximum aggregation:               18877
          APNIC Deaggregation factor:                                    2.69
      Prefixes being announced from the APNIC address blocks:           53003
          Unique aggregates announced from the APNIC address blocks:    23616
      APNIC Region origin ASes present in the Internet Routing Table:    3034
          APNIC Prefixes per ASN:                                       17.47
      APNIC Region origin ASes announcing only one prefix:                805
      APNIC Region transit ASes present in the Internet Routing Table:    439
      Average APNIC Region AS path length visible:                        3.6
          Max APNIC Region AS path length visible:                         17
      Number of APNIC addresses announced to Internet:              324335920
          Equivalent to 19 /8s, 84 /16s and 249 /24s
          Percentage of available APNIC address space announced:         74.2
      
      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:                    138194
          Total ARIN prefixes after maximum aggregation:                73687
          ARIN Deaggregation factor:                                     1.88
      Prefixes being announced from the ARIN address blocks:            83362
          Unique aggregates announced from the ARIN address blocks:     33097
      ARIN Region origin ASes present in the Internet Routing Table:    12769
          ARIN Prefixes per ASN:                                         6.53
      ARIN Region origin ASes announcing only one prefix:                4789
      ARIN Region transit ASes present in the Internet Routing Table:    1353
      Average ARIN Region AS path length visible:                         3.4
          Max ARIN Region AS path length visible:                          19
      Number of ARIN addresses announced to Internet:               356090560
          Equivalent to 21 /8s, 57 /16s and 130 /24s
          Percentage of available ARIN address space announced:          78.6
      
      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:                     49259
          Total RIPE prefixes after maximum aggregation:                30053
          RIPE Deaggregation factor:                                     1.64
      Prefixes being announced from the RIPE address blocks:            47770
          Unique aggregates announced from the RIPE address blocks:     31638
      RIPE Region origin ASes present in the Internet Routing Table:    10612
          RIPE Prefixes per ASN:                                         4.50
      RIPE Region origin ASes announcing only one prefix:                5624
      RIPE Region transit ASes present in the Internet Routing Table:    1627
      Average RIPE Region AS path length visible:                         4.0
          Max RIPE Region AS path length visible:                          18
      Number of RIPE addresses announced to Internet:               339676032
          Equivalent to 20 /8s, 63 /16s and 11 /24s
          Percentage of available RIPE address space announced:          77.9
      
      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:                    3272
          Total LACNIC prefixes after maximum aggregation:               1155
          LACNIC Deaggregation factor:                                   2.83
      Prefixes being announced from the LACNIC address blocks:          16321
          Unique aggregates announced from the LACNIC address blocks:    8984
      LACNIC Region origin ASes present in the Internet Routing Table:    425
          LACNIC Prefixes per ASN:                                      38.40
      LACNIC Region origin ASes announcing only one prefix:               188
      LACNIC Region transit ASes present in the Internet Routing Table:    34
      Average LACNIC Region AS path length visible:                       4.2
          Max LACNIC Region AS path length visible:                        15
      Number of LACNIC addresses announced to Internet:              47126272
          Equivalent to 2 /8s, 207 /16s and 23 /24s
          Percentage of available LACNIC address space announced:        46.8
      
      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:                    243
          Total AfriNIC prefixes after maximum aggregation:               131
          AfriNIC Deaggregation factor:                                  1.85
      Prefixes being announced from the AfriNIC address blocks:          2495
          Unique aggregates announced from the AfriNIC address blocks:   1452
      AfriNIC Region origin ASes present in the Internet Routing Table:    71
          AfriNIC Prefixes per ASN:                                     35.14
      AfriNIC Region origin ASes announcing only one prefix:               34
      AfriNIC Region transit ASes present in the Internet Routing Table:    3
      Average AfriNIC Region AS path length visible:                      4.6
          Max AfriNIC Region AS path length visible:                       12
      Number of AfriNIC addresses announced to Internet:              8213248
          Equivalent to 0 /8s, 125 /16s and 83 /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     1507        383          71   Videsh Sanchar Nigam Ltd. Aut
       9583     1101         82         433   Sify Limited
       9498     1064        549          61   BHARTI BT INTERNET LTD.
      17488      936         60          84   Hathway IP Over Cable Interne
       4766      829       5495         340   Korea Telecom (KIX)
      23577      810         34         690   Korea Telecom (ATM-MPLS)
      18101      611        120          59   Reliance Infocom Ltd Internet
       9829      589        449          11   BSNL National Internet Backbo
       7545      582        147          98   TPG Internet Pty Ltd
       4812      529        874          82   China Telecom (Shanghai)
       4808      523        799         122   CNCGROUP IP network: China169
       4668      520         68          10   LG-EDS Systems Inc.
      17676      505      10919          64   Softbank BB Corp.
       4802      470        128         151   Wantree Development
       9443      438        121          69   Primus Telecommunications
      17974      399        145          17   PT TELEKOMUNIKASI INDONESIA
       7474      387        202         273   SingTel Optus Pty Ltd
       4837      366       5072         178   chinanet IDC center beijing n
       9929      329        189          50   China Netcom Corp.
      17557      323         55         178   Pakistan Telecom
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       7018     1481       6106        1005   AT&T WorldNet Services
       4323     1387       1009         360   Time Warner Telecom
       2386     1340        635         815   AT&T Data Communications Serv
      11492     1202        134          15   Cable One 
       8151     1148       2390         220   UniNet S.A. de C.V. 
       6478     1090        330         161   AT&T Worldnet Services 
      18566     1036        288           9   Covad Communications 
       6197     1026        721         510   BellSouth Network Solutions, 
       7011     1008        297         588   Citizens Utilities 
       4134      980      11601         305   CHINANET-BACKBONE
        174      971       6831         823   Cogent Communications
        701      900       6496         707   UUNET Technologies, Inc. 
      19262      865       3127         177   Verizon Global Networks 
      20115      858        793         465   Charter Communications 
       3356      838      10906         416   Level 3 Communications, LLC 
      22773      835       2140          59   Cox Communications, Inc.
       1239      790       2670         549   Sprint 
        209      755       3785         599   Qwest 
       5668      662        176          18   CenturyTel Internet Holdings,
       6140      602        109         151   ImpSat
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       3292      409       1654         368   TDC Tele Danmark
      24863      400         60          36   LINKdotNET AS number
       3301      323       1458         297   TeliaNet Sweden
       3320      316       6019         262   Deutsche Telekom AG
       8452      284        188           7   TEDATA
       8551      277        266          40   Bezeq International
       8866      277         78          24   Bulgarian Telecommunication C
       3215      270       2583          92   France Telecom Transpac
       6746      270        128         249   Dynamic Network Technologies,
       8708      270        420         242   Romania Data Systems S.A.
       8220      243        423         229   COLT Telecommunications
       9116      242        184          28   Goldenlines main autonomous s
       3352      238       1948          40   Ibernet, Internet Access Netw
       3269      231       3037          68   TELECOM ITALIA
       9155      230         43          10   QualityNet AS number
       5462      229        666          27   Telewest Broadband
       3300      211        172         100   AUCS Communications Services 
       9121      211       1444          26   TTnet Autonomous System
      20858      201         34           3   EgyNet
      29357      199         17           4   WATANIYA TELECOM
      
      LACNIC Region per AS prefix count summary
      -----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
      28573      229        321          29   NET Servicos de Comunicao S.A
      26608      121         23          19   SkyOnline do Brasil Ltda
      27747       85         20           4   Types of queries are: POCs, o
      27757       80         11          10   ANDINATEL S.A.
      26622       68          7          16   SIM TELECOMUNICACOES LTDA
      26603       62          4           7   Comercial Dinamica
      27699       55        488          26   TELECOMUNICACOES DE SAO PAULO
      27798       54          4           4   COSTAVISION S.A.
      28580       52          4           4   Cilnet Comunicacoes e Informa
      27833       50          6           2   BVNET S.A.
      26619       47          4          26   Flycom Comunicaciones
      26613       44          3          13   EasyNet S.A.
      27696       43          4          15   Multidata S.A.
      27845       43          4          10   Empresa Regional de Telecomun
      28571       42         58          41   Universidade de Sao Paulo - U
      27768       41          6          24   CO.PA.CO.
      28611       41          5           4   614 TVC INTERIOR S/A
      26596       36          6           4   SUPERCABLE TELECOMUNICACIONES
      28640       35          4           3   VIPWay Serviços de Telecomuni
      27715       34          4           2   LocaWeb Ltda
      
      AfriNIC Region per AS prefix count summary
      ------------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
      36897       16          1           1   Aerosat Internet Service Prov
      36898       15          2           3   UniNet Communications
      36925       12          2           3   Meditelecom
      36954       12          1           5   Multi-Links Telecommunication
      36865       10          2           2   ASN for Teledata Mozambique
      36866       10          1           4   Jamii Telecommunications Limi
      36917       10          1           2   ACS | Angola Comunicacoes & S
      36915        8          2           2   Africa Online Kenya
      36864        7          1           1   AFRIBONE Mali SA
      36877        7          2           3   MWEB
      36911        7          2           5   DIRECT ON PC LTD HUB
      36889        6          1           2   DotCoZa
      36890        6          1           4   MTN RwandaCell
      36950        6          0           3   Tropcon Comunicacoes LDA
      36992        6          1           4   Etisalat MISR
      36888        5          1           2   Net Afrique Dotcom Ltd.
      36935        5          3           5   Vodafone Egypt Telecommunicat
      36874        4         11           4   Cybersmart
      36934        4         16           4   Artel International
      36958        4          0           3   Atlas Cable & Wireless
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
      11492      1202        1187      Cable One 
       4323      1387        1027      Time Warner Telecom
      18566      1036        1027      Covad Communications 
       9498      1064        1003      BHARTI BT INTERNET LTD.
       6478      1090         929      AT&T Worldnet Services 
       8151      1148         928      UniNet S.A. de C.V. 
      17488       936         852      Hathway IP Over Cable Interne
      22773       835         776      Cox Communications, Inc.
      19262       865         688      Verizon Global Networks 
       4134       980         675      CHINANET-BACKBONE
       9583      1101         668      Sify Limited
       5668       662         644      CenturyTel Internet Holdings,
       9829       589         578      BSNL National Internet Backbo
       6517       596         560      Yipes Communications, Inc. 
      18101       611         552      Reliance Infocom Ltd Internet
      15270       596         544      PaeTec.net -a division of Pae
      11830       545         536      Instituto Costarricense de El
       2386      1340         525      AT&T Data Communications Serv
      19916       563         521      OLM LLC 
       6197      1026         516      BellSouth Network Solutions, 
      
      List of Unregistered Origin ASNs (Global)
      -----------------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
      43185   UNALLOCATED   77.95.208.0/21       12779       ITGATE.Net
      65068   PRIVATE       79.171.184.0/21      43895       *
      65500   PRIVATE       83.142.233.0/24      20516       LuckyNet Israel
      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 
      65201   PRIVATE       202.112.49.0/24       4538       China Education and 
      65201   PRIVATE       202.112.50.0/24       4538       China Education and 
      65201   PRIVATE       202.112.57.0/24       4538       China Education and 
      
      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      /12:135     
      /13:271     /14:487     /15:971     /16:9742    /17:4196    /18:6901    
      /19:14893   /20:17065   /21:16127   /22:20228   /23:21221   /24:126749  
      /25:872     /26:1088    /27:549     /28:92      /29:8       /30:1       
      /31:0       /32:6       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
      11492     1192          1202      Cable One 
       6478     1089          1090      AT&T Worldnet Services 
       2386     1036          1340      AT&T Data Communications Serv
      18566     1018          1036      Covad Communications 
       9583      946          1101      Sify Limited
       7011      893          1008      Citizens Utilities 
       4755      872          1507      Videsh Sanchar Nigam Ltd. Aut
       7018      815          1481      AT&T WorldNet Services
      23577      801           810      Korea Telecom (ATM-MPLS)
       6197      772          1026      BellSouth Network Solutions, 
       9498      752          1064      BHARTI BT INTERNET LTD.
      17488      751           936      Hathway IP Over Cable Interne
       4766      613           829      Korea Telecom (KIX)
       4323      594          1387      Time Warner Telecom
      15270      558           596      PaeTec.net -a division of Pae
      19916      558           563      OLM LLC 
       6517      557           596      Yipes Communications, Inc. 
       5668      521           662      CenturyTel Internet Holdings,
       4668      510           520      LG-EDS Systems Inc.
      18101      504           611      Reliance Infocom Ltd Internet
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:9         8:96       12:1930     13:2        15:21       16:3      
        17:6        18:14       20:35       24:1019     25:1        31:1      
        32:61       33:4        38:370      40:69       41:431      44:2      
        47:8        52:3        55:3        56:3        57:21       58:508    
        59:412      60:399      61:985      62:1047     63:1979     64:3303   
        65:2361     66:3576     67:1018     68:643      69:2071     70:464    
        71:105      72:1466     73:7        74:808      75:270      76:175    
        77:478      78:408      79:65       80:898      81:791      82:556    
        83:370      84:544      85:907      86:366      87:595      88:292    
        89:1062     90:39       91:864      92:55       93:2        96:2      
        97:7        98:25      114:1       115:1       116:454     117:231    
       118:68      119:41      121:381     122:666     123:229     124:760    
       125:1060    128:311     129:185     130:136     131:388     132:68     
       133:9       134:194     135:34      136:193     137:85      138:146    
       139:71      140:516     141:126     142:375     143:260     144:321    
       145:51      146:333     147:128     148:476     149:186     150:116    
       151:129     152:95      153:127     154:11      155:279     156:200    
       157:244     158:165     159:210     160:192     161:99      162:198    
       163:186     164:561     165:409     166:291     167:308     168:550    
       169:129     170:420     171:29      172:3       173:1       189:138    
       190:1328    192:5734    193:4060    194:3248    195:2328    196:956    
       198:3807    199:3226    200:5351    201:1310    202:7433    203:7814   
       204:3978    205:2043    206:2418    207:2750    208:3071    209:3581   
       210:2504    211:1110    212:1247    213:1599    214:440     215:45     
       216:4105    217:1216    218:329     219:402     220:1006    221:407    
       222:294    
      
      End of report