[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, 24 Nov 2007 04:03:44 +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 24 Nov, 2007
      
      Report Website:     http://thyme.apnic.net
      Detailed Analysis:  http://thyme.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              238535
          Prefixes after maximum aggregation:                          122807
          Deaggregation factor:                                          1.94
          Unique aggregates announced to Internet:                     116623
      Total ASes present in the Internet Routing Table:                 26735
          Prefixes per ASN:                                              8.92
      Origin-only ASes present in the Internet Routing Table:           23288
      Origin ASes announcing only one prefix:                           11329
      Transit ASes present in the Internet Routing Table:                3447
      Transit-only ASes present in the Internet Routing Table:             77
      Average AS path length visible in the Internet Routing Table:       3.6
          Max AS path length visible:                                      28
          Max AS path prepend of ASN (35389)                               25
      Prefixes from unregistered ASNs in the Routing Table:                11
          Unregistered ASNs in the Routing Table:                           7
      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:             14
      Number of addresses announced to Internet:                   1795338624
          Equivalent to 107 /8s, 2 /16s and 177 /24s
          Percentage of available address space announced:               48.4
          Percentage of allocated address space announced:               62.0
          Percentage of available address space allocated:               78.2
      Total number of prefixes smaller than registry allocations:      111254
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    55648
          Total APNIC prefixes after maximum aggregation:               21214
          APNIC Deaggregation factor:                                    2.62
      Prefixes being announced from the APNIC address blocks:           52529
          Unique aggregates announced from the APNIC address blocks:    23281
      APNIC Region origin ASes present in the Internet Routing Table:    3087
          APNIC Prefixes per ASN:                                       17.02
      APNIC Region origin ASes announcing only one prefix:                805
      APNIC Region transit ASes present in the Internet Routing Table:    470
      Average APNIC Region AS path length visible:                        3.6
          Max APNIC Region AS path length visible:                         22
      Number of APNIC addresses announced to Internet:              325871808
          Equivalent to 19 /8s, 108 /16s and 104 /24s
          Percentage of available APNIC address space announced:         74.5
      
      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:                    111759
          Total ARIN prefixes after maximum aggregation:                63821
          ARIN Deaggregation factor:                                     1.75
      Prefixes being announced from the ARIN address blocks:            82558
          Unique aggregates announced from the ARIN address blocks:     32870
      ARIN Region origin ASes present in the Internet Routing Table:    11952
          ARIN Prefixes per ASN:                                         6.91
      ARIN Region origin ASes announcing only one prefix:                4595
      ARIN Region transit ASes present in the Internet Routing Table:    1124
      Average ARIN Region AS path length visible:                         3.4
          Max ARIN Region AS path length visible:                          15
      Number of ARIN addresses announced to Internet:               353657728
          Equivalent to 21 /8s, 20 /16s and 99 /24s
          Percentage of available ARIN address space announced:          78.1
      
      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:                     49931
          Total RIPE prefixes after maximum aggregation:                32098
          RIPE Deaggregation factor:                                     1.56
      Prefixes being announced from the RIPE address blocks:            46805
          Unique aggregates announced from the RIPE address blocks:     31153
      RIPE Region origin ASes present in the Internet Routing Table:    10523
          RIPE Prefixes per ASN:                                         4.45
      RIPE Region origin ASes announcing only one prefix:                5574
      RIPE Region transit ASes present in the Internet Routing Table:    1633
      Average RIPE Region AS path length visible:                         4.0
          Max RIPE Region AS path length visible:                          28
      Number of RIPE addresses announced to Internet:               337233792
          Equivalent to 20 /8s, 25 /16s and 199 /24s
          Percentage of available RIPE address space announced:          77.3
      
      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:                   17908
          Total LACNIC prefixes after maximum aggregation:               4571
          LACNIC Deaggregation factor:                                   3.92
      Prefixes being announced from the LACNIC address blocks:          15881
          Unique aggregates announced from the LACNIC address blocks:    8840
      LACNIC Region origin ASes present in the Internet Routing Table:    880
          LACNIC Prefixes per ASN:                                      18.05
      LACNIC Region origin ASes announcing only one prefix:               286
      LACNIC Region transit ASes present in the Internet Routing Table:   155
      Average LACNIC Region AS path length visible:                       4.0
          Max LACNIC Region AS path length visible:                        22
      Number of LACNIC addresses announced to Internet:              46482944
          Equivalent to 2 /8s, 197 /16s and 70 /24s
          Percentage of available LACNIC address space announced:        46.2
      
      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:                   3269
          Total AfriNIC prefixes after maximum aggregation:              1087
          AfriNIC Deaggregation factor:                                  3.01
      Prefixes being announced from the AfriNIC address blocks:          2409
          Unique aggregates announced from the AfriNIC address blocks:   1423
      AfriNIC Region origin ASes present in the Internet Routing Table:   215
          AfriNIC Prefixes per ASN:                                     11.20
      AfriNIC Region origin ASes announcing only one prefix:               69
      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:              8199680
          Equivalent to 0 /8s, 125 /16s and 30 /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     1473        383          70   Videsh Sanchar Nigam Ltd. Aut
       4134     1107      11573         304   CHINANET-BACKBONE
       9583     1096         81         422   Sify Limited
       9498     1050        549          64   BHARTI BT INTERNET LTD.
      17488      899         58          70   Hathway IP Over Cable Interne
       4766      816       5474         329   Korea Telecom (KIX)
      23577      799         34         683   Korea Telecom (ATM-MPLS)
       7545      723        159         123   TPG Internet Pty Ltd
      18101      607        120          56   Reliance Infocom Ltd Internet
       1221      547       1951         424   Telstra Pty Ltd
       9829      530       1312           9   BSNL National Internet Backbo
       4812      529        869          79   China Telecom (Shanghai)
       4668      518         68          10   LG-EDS Systems Inc.
       4808      507        797         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      399        146          14   PT TELEKOMUNIKASI INDONESIA
       7474      382        202         268   SingTel Optus Pty Ltd
       4837      359       5068         170   chinanet IDC center beijing n
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       7018     1505       6140        1014   AT&T WorldNet Services
       4323     1377       1017         363   Time Warner Telecom
       2386     1279        633         788   AT&T Data Communications Serv
      11492     1178        123          40   Cable One 
       6478     1124        330         174   AT&T Worldnet Services 
      18566     1033        288           9   Covad Communications 
       6197     1029        719         509   BellSouth Network Solutions, 
       7011      983        292         571   Citizens Utilities 
        174      969       6858         830   Cogent Communications
        701      903       6566         708   UUNET Technologies, Inc. 
      20115      846        775         453   Charter Communications 
       3356      833      10887         415   Level 3 Communications, LLC 
      22773      820       2133          54   Cox Communications, Inc.
      19262      814       2950         182   Verizon Global Networks 
       1239      800       2712         557   Sprint 
        209      739       3786         582   Qwest 
       5668      662        176          17   CenturyTel Internet Holdings,
      15270      608        161          41   PaeTec.net -a division of Pae
       6517      595        163          33   Yipes Communications, Inc. 
        852      582       1109         358   Telus Advanced Communications
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        702      468       1917         381   UUNET - Commercial IP service
       9116      346        184          28   Goldenlines main autonomous s
       8551      325        314          40   Bezeq International
       3301      317       1441         292   TeliaNet Sweden
       3320      316       6035         262   Deutsche Telekom AG
       8866      279         78          26   Bulgarian Telecommunication C
       6746      275        129         252   Dynamic Network Technologies,
       8708      274        421         244   Romania Data Systems S.A.
        680      268       2045         254   DFN-IP service G-WiN
       3215      266       2535          92   France Telecom Transpac
       8220      256        445         236   COLT Telecommunications
       3352      235       1932          41   Ibernet, Internet Access Netw
       8452      231        188           7   TEDATA
       3269      230       2967          72   TELECOM ITALIA
       3292      223       1386         204   TDC Tele Danmark
       3300      212        220         100   AUCS Communications Services 
       9121      210       1442          25   TTnet Autonomous System
       1257      195       1195         178   SWIPnet Swedish IP Network
      12479      195        578           6   Uni2 Autonomous System
       2856      188       2303         157   BTnet UK Regional network
      
      LACNIC Region per AS prefix count summary
      -----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       8151     1162       2418         215   UniNet S.A. de C.V. 
      11830      539        299           9   Instituto Costarricense de El
      16814      427         27          10   NSS, S.A. 
       7303      385        188          56   Telecom Argentina Stet-France
      14522      381         33           8   SatNet S.A. 
      11172      376        114          61   Servicios Alestra S.A de C.V 
       6471      363         85          38   ENTEL CHILE S.A. 
      22047      319        254          13   VTR PUNTO NET S.A. 
      10481      301        120          10   Prima S.A. 
      14117      285         19          15   Telefonica del Sur S.A. 
      10620      282         78          22   TVCABLE BOGOTA 
       7738      242        602          25   Telecomunicacoes da Bahia S.A
       6147      241        182          20   Telefonica Del Peru 
      11556      236        128           4   Cable-Wireless Panama 
      23216      219         17          52   RAMtelecom Telecomunicaciones
       6503      217        187          86   AVANTEL, S.A. 
      28573      213        314          27   NET Servicos de Comunicao S.A
      20299      202         33          30   NEWCOM AMERICAS 
      19169      186         12          19   Telconet 
      21826      186         33          47   INTERCABLE 
      
      AfriNIC Region per AS prefix count summary
      ------------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
      24863      391         60          39   LINKdotNET AS number
       3741      280        869         226   The Internet Solution 
      20858      200         34           3   EgyNet
       2018      144        300         116   Tertiary Education Network 
       6713      144        135          11   Itissalat Al-MAGHRIB
       5536      124          8          10   Internet Egypt Network
      33783      118          8          19   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       77        175          74   The Internetworking Company o
      23889       74         24          15   MAURITIUS TELECOM
      20484       66          5           6   Yalla Online Autonomous Syste
      15706       58         12           4   Sudatel Internet Exchange Aut
      29571       56         13           7   Ci Telecom Autonomous system 
      33774       50         37          28   AS Number for Telecom Algeria
       5713       46        422          36   Telkom SA Ltd 
      16637       42         21          28   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      1473        1403      Videsh Sanchar Nigam Ltd. Aut
      11492      1178        1138      Cable One 
      18566      1033        1024      Covad Communications 
       4323      1377        1014      Time Warner Telecom
       9498      1050         986      BHARTI BT INTERNET LTD.
       6478      1124         950      AT&T Worldnet Services 
       8151      1162         947      UniNet S.A. de C.V. 
      17488       899         829      Hathway IP Over Cable Interne
       4134      1107         803      CHINANET-BACKBONE
      22773       820         766      Cox Communications, Inc.
       9583      1096         674      Sify Limited
       5668       662         645      CenturyTel Internet Holdings,
      19262       814         632      Verizon Global Networks 
       7545       723         600      TPG Internet Pty Ltd
      15270       608         567      PaeTec.net -a division of Pae
       6517       595         562      Yipes Communications, Inc. 
      18101       607         551      Reliance Infocom Ltd Internet
      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       *
      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
      172.14.254.0/24      20312     CNTI-REACCIUN "Centro Naciona
      172.15.254.0/24      20312     CNTI-REACCIUN "Centro Naciona
      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      /11:40      /12:134     
      /13:270     /14:483     /15:950     /16:9739    /17:4211    /18:6782    
      /19:14758   /20:16877   /21:15781   /22:19958   /23:20959   /24:125048  
      /25:808     /26:1025    /27:554     /28:101     /29:5       /30:1       
      /31:0       /32:8       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
      11492     1169          1178      Cable One 
       6478     1123          1124      AT&T Worldnet Services 
      18566     1015          1033      Covad Communications 
       2386      970          1279      AT&T Data Communications Serv
       9583      941          1096      Sify Limited
       7011      870           983      Citizens Utilities 
       4755      844          1473      Videsh Sanchar Nigam Ltd. Aut
       7018      826          1505      AT&T WorldNet Services
      23577      790           799      Korea Telecom (ATM-MPLS)
       6197      772          1029      BellSouth Network Solutions, 
       9498      734          1050      BHARTI BT INTERNET LTD.
      17488      714           899      Hathway IP Over Cable Interne
       4766      606           816      Korea Telecom (KIX)
       4323      582          1377      Time Warner Telecom
      15270      570           608      PaeTec.net -a division of Pae
      19916      564           569      OLM LLC 
       6517      551           595      Yipes Communications, Inc. 
       5668      521           662      CenturyTel Internet Holdings,
       4668      508           518      LG-EDS Systems Inc.
      18101      502           607      Reliance Infocom Ltd Internet
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:9         8:89       12:1866     13:1        15:20       16:3      
        17:6        18:13       20:35       24:1007     25:1        31:1      
        32:63       33:3        38:360      40:64       41:403      44:2      
        47:8        52:3        55:3        56:3        57:21       58:476    
        59:415      60:384      61:995      62:952      63:1979     64:3305   
        65:2365     66:3597     67:909      68:650      69:2033     70:467    
        71:105      72:1444     73:7        74:741      75:263      76:141    
        77:459      78:336      79:25       80:880      81:773      82:567    
        83:351      84:616      85:879      86:363      87:602      88:285    
        89:1029     90:39       91:740      92:5        96:2        97:6      
        98:15      114:1       115:1       116:448     117:230     118:47     
       121:345     122:649     123:203     124:725     125:1048    128:308    
       129:195     130:136     131:368     132:59      133:8       134:193    
       135:34      136:193     137:82      138:153     139:76      140:517    
       141:146     142:374     143:259     144:324     145:48      146:332    
       147:124     148:481     149:185     150:169     151:137     152:95     
       153:122     154:11      155:267     156:164     157:224     158:160    
       159:197     160:183     161:102     162:190     163:184     164:496    
       165:405     166:290     167:309     168:521     169:130     170:418    
       171:29      172:5       173:1       189:117     190:1249    192:5724   
       193:4038    194:3197    195:2324    196:924     198:3799    199:3221   
       200:5247    201:1282    202:7453    203:7833    204:3978    205:2007   
       206:2407    207:2771    208:2972    209:3570    210:2490    211:1107   
       212:1319    213:1578    214:413     215:46      216:4103    217:1178   
       218:335     219:401     220:990     221:409     222:281    
      
      End of report