[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, 1 Dec 2007 04:03:50 +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 01 Dec, 2007
      
      Report Website:     http://thyme.apnic.net
      Detailed Analysis:  http://thyme.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              239310
          Prefixes after maximum aggregation:                          123017
          Deaggregation factor:                                          1.95
          Unique aggregates announced to Internet:                     116714
      Total ASes present in the Internet Routing Table:                 26802
          Prefixes per ASN:                                              8.93
      Origin-only ASes present in the Internet Routing Table:           23334
      Origin ASes announcing only one prefix:                           11385
      Transit ASes present in the Internet Routing Table:                3468
      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:                                      28
          Max AS path prepend of ASN (35389)                               25
      Prefixes from unregistered ASNs in the Routing Table:                 2
          Unregistered ASNs in the Routing Table:                           8
      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:                   1796436832
          Equivalent to 107 /8s, 19 /16s and 115 /24s
          Percentage of available address space announced:               48.5
          Percentage of allocated address space announced:               62.0
          Percentage of available address space allocated:               78.2
      Total number of prefixes smaller than registry allocations:      111869
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    55812
          Total APNIC prefixes after maximum aggregation:               21251
          APNIC Deaggregation factor:                                    2.63
      Prefixes being announced from the APNIC address blocks:           52717
          Unique aggregates announced from the APNIC address blocks:    23396
      APNIC Region origin ASes present in the Internet Routing Table:    3089
          APNIC Prefixes per ASN:                                       17.07
      APNIC Region origin ASes announcing only one prefix:                805
      APNIC Region transit ASes present in the Internet Routing Table:    472
      Average APNIC Region AS path length visible:                        3.7
          Max APNIC Region AS path length visible:                         14
      Number of APNIC addresses announced to Internet:              326303136
          Equivalent to 19 /8s, 114 /16s and 253 /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:                    111989
          Total ARIN prefixes after maximum aggregation:                63832
          ARIN Deaggregation factor:                                     1.75
      Prefixes being announced from the ARIN address blocks:            82596
          Unique aggregates announced from the ARIN address blocks:     32775
      ARIN Region origin ASes present in the Internet Routing Table:    11975
          ARIN Prefixes per ASN:                                         6.90
      ARIN Region origin ASes announcing only one prefix:                4607
      ARIN Region transit ASes present in the Internet Routing Table:    1126
      Average ARIN Region AS path length visible:                         3.4
          Max ARIN Region AS path length visible:                          15
      Number of ARIN addresses announced to Internet:               354117248
          Equivalent to 21 /8s, 27 /16s and 102 /24s
          Percentage of available ARIN address space announced:          78.2
      
      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:                     50277
          Total RIPE prefixes after maximum aggregation:                32218
          RIPE Deaggregation factor:                                     1.56
      Prefixes being announced from the RIPE address blocks:            47104
          Unique aggregates announced from the RIPE address blocks:     31176
      RIPE Region origin ASes present in the Internet Routing Table:    10570
          RIPE Prefixes per ASN:                                         4.46
      RIPE Region origin ASes announcing only one prefix:                5620
      RIPE Region transit ASes present in the Internet Routing Table:    1641
      Average RIPE Region AS path length visible:                         4.0
          Max RIPE Region AS path length visible:                          28
      Number of RIPE addresses announced to Internet:               337246848
          Equivalent to 20 /8s, 25 /16s and 250 /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:                   17959
          Total LACNIC prefixes after maximum aggregation:               4600
          LACNIC Deaggregation factor:                                   3.90
      Prefixes being announced from the LACNIC address blocks:          15937
          Unique aggregates announced from the LACNIC address blocks:    8874
      LACNIC Region origin ASes present in the Internet Routing Table:    880
          LACNIC Prefixes per ASN:                                      18.11
      LACNIC Region origin ASes announcing only one prefix:               284
      LACNIC Region transit ASes present in the Internet Routing Table:   158
      Average LACNIC Region AS path length visible:                       4.0
          Max LACNIC Region AS path length visible:                        19
      Number of LACNIC addresses announced to Internet:              46780928
          Equivalent to 2 /8s, 201 /16s and 210 /24s
          Percentage of available LACNIC address space announced:        46.5
      
      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:                   3262
          Total AfriNIC prefixes after maximum aggregation:              1100
          AfriNIC Deaggregation factor:                                  2.97
      Prefixes being announced from the AfriNIC address blocks:          2430
          Unique aggregates announced from the AfriNIC address blocks:   1439
      AfriNIC Region origin ASes present in the Internet Routing Table:   213
          AfriNIC Prefixes per ASN:                                     11.41
      AfriNIC Region origin ASes announcing only one prefix:               69
      AfriNIC Region transit ASes present in the Internet Routing Table:   40
      Average AfriNIC Region AS path length visible:                      3.7
          Max AfriNIC Region AS path length visible:                       14
      Number of AfriNIC addresses announced to Internet:              8190976
          Equivalent to 0 /8s, 124 /16s and 252 /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     1485        383          69   Videsh Sanchar Nigam Ltd. Aut
       4134     1106      11569         304   CHINANET-BACKBONE
       9583     1093         81         423   Sify Limited
       9498     1056        550          65   BHARTI BT INTERNET LTD.
      17488      908         59          76   Hathway IP Over Cable Interne
       9829      849       1312           9   BSNL National Internet Backbo
       4766      818       5474         330   Korea Telecom (KIX)
      23577      800         34         684   Korea Telecom (ATM-MPLS)
       7545      683        152         116   TPG Internet Pty Ltd
      18101      607        120          55   Reliance Infocom Ltd Internet
       1221      546       1952         422   Telstra Pty Ltd
       4812      530        869          79   China Telecom (Shanghai)
       4668      519         68          10   LG-EDS Systems Inc.
       4808      506        796         120   CNCGROUP IP network: China169
      17676      503      10919          64   Softbank BB Corp.
       4802      471        133         142   Wantree Development
       9443      440        121          70   Primus Telecommunications
      17974      403        145          17   PT TELEKOMUNIKASI INDONESIA
       7474      383        202         269   SingTel Optus Pty Ltd
       4837      362       5084         173   chinanet IDC center beijing n
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       7018     1498       6139        1007   AT&T WorldNet Services
       4323     1380       1017         363   Time Warner Telecom
       2386     1282        633         792   AT&T Data Communications Serv
      11492     1179        128          36   Cable One 
       6478     1124        329         178   AT&T Worldnet Services 
      18566     1033        288           9   Covad Communications 
       6197     1027        719         509   BellSouth Network Solutions, 
       7011      992        295         577   Citizens Utilities 
        174      979       6858         829   Cogent Communications
        701      904       6550         709   UUNET Technologies, Inc. 
      20115      846        774         457   Charter Communications 
       3356      842      10887         416   Level 3 Communications, LLC 
      22773      823       2133          54   Cox Communications, Inc.
      19262      815       2967         188   Verizon Global Networks 
       1239      792       2711         551   Sprint 
        209      742       3786         583   Qwest 
       5668      658        176          17   CenturyTel Internet Holdings,
      15270      608        160          40   PaeTec.net -a division of Pae
       6517      598        163          33   Yipes Communications, Inc. 
        852      582       1109         357   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
       3292      405       1653         366   TDC Tele Danmark
       9116      349        184          28   Goldenlines main autonomous s
       3301      319       1457         294   TeliaNet Sweden
       3320      316       6035         262   Deutsche Telekom AG
       8452      283        188           7   TEDATA
       8866      282         78          26   Bulgarian Telecommunication C
       6746      276        129         253   Dynamic Network Technologies,
       8551      276        266          40   Bezeq International
       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      253        446         233   COLT Telecommunications
       3352      231       1916          46   Ibernet, Internet Access Netw
       3269      227       2965          69   TELECOM ITALIA
       3300      214        220         102   AUCS Communications Services 
       9121      211       1444          26   TTnet Autonomous System
       9155      198         43          11   QualityNet AS number
       1257      195       1195         178   SWIPnet Swedish IP Network
      12479      194        578           6   Uni2 Autonomous System
      
      LACNIC Region per AS prefix count summary
      -----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       8151     1160       2409         218   UniNet S.A. de C.V. 
      11830      539        299           9   Instituto Costarricense de El
      16814      427         27          10   NSS, S.A. 
       7303      403        195          60   Telecom Argentina Stet-France
      14522      381         33           8   SatNet S.A. 
      11172      379        115          62   Servicios Alestra S.A de C.V 
       6471      363         85          38   ENTEL CHILE S.A. 
      22047      322        254          13   VTR PUNTO NET S.A. 
      10481      301        120          10   Prima S.A. 
      10620      285         78          20   TVCABLE BOGOTA 
      14117      285         19          15   Telefonica del Sur S.A. 
       6147      258        214          21   Telefonica Del Peru 
       7738      237        602          25   Telecomunicacoes da Bahia S.A
      11556      236        128           4   Cable-Wireless Panama 
      23216      221         17          47   RAMtelecom Telecomunicaciones
       6503      218        187          86   AVANTEL, S.A. 
      20299      208         34          30   NEWCOM AMERICAS 
      28573      208        313          32   NET Servicos de Comunicao S.A
      19169      190         12          20   Telconet 
      21826      186         33          47   INTERCABLE 
      
      AfriNIC Region per AS prefix count summary
      ------------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
      24863      367         60          51   LINKdotNET AS number
       3741      281        869         226   The Internet Solution 
      20858      200         34           3   EgyNet
       6713      145        135          11   Itissalat Al-MAGHRIB
       2018      144        300         116   Tertiary Education Network 
       5536      124          8          10   Internet Egypt Network
      33783      124          8          15   EEPAD TISP TELECOM & INTERNET
      33776      100          6           3   Starcomms Nigeria Limited
      24835       88         48           6   RAYA Telecom - Egypt
      15475       82         84           4   Nile Online
       2905       77        174          73   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       57         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 
       8524       32          2          10   AUCEGYPT Autonomous System
      12455       32          6           3   Jambonet Autonomous system
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
       4755      1485        1416      Videsh Sanchar Nigam Ltd. Aut
      11492      1179        1143      Cable One 
      18566      1033        1024      Covad Communications 
       4323      1380        1017      Time Warner Telecom
       9498      1056         991      BHARTI BT INTERNET LTD.
       6478      1124         946      AT&T Worldnet Services 
       8151      1160         942      UniNet S.A. de C.V. 
       9829       849         840      BSNL National Internet Backbo
      17488       908         832      Hathway IP Over Cable Interne
       4134      1106         802      CHINANET-BACKBONE
      22773       823         769      Cox Communications, Inc.
       9583      1093         670      Sify Limited
       5668       658         641      CenturyTel Internet Holdings,
      19262       815         627      Verizon Global Networks 
      15270       608         568      PaeTec.net -a division of Pae
       7545       683         567      TPG Internet Pty Ltd
       6517       598         565      Yipes Communications, Inc. 
      18101       607         552      Reliance Infocom Ltd Internet
      11830       539         530      Instituto Costarricense de El
      19916       569         522      OLM LLC 
      
      List of Unregistered Origin ASNs (Global)
      -----------------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
      65068   PRIVATE       79.171.184.0/21      43895       *
      64779   PRIVATE       124.161.4.0/23       38356       BeiJing Sincerity-ti
      
      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     /14:485     /15:956     /16:9747    /17:4198    /18:6797    
      /19:14805   /20:16858   /21:16161   /22:20006   /23:20999   /24:125469  
      /25:785     /26:877     /27:564     /28:103     /29:5       /30:0       
      /31:0       /32:8       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
      11492     1168          1179      Cable One 
       6478     1123          1124      AT&T Worldnet Services 
      18566     1015          1033      Covad Communications 
       2386      974          1282      AT&T Data Communications Serv
       9583      938          1093      Sify Limited
       7011      877           992      Citizens Utilities 
       4755      852          1485      Videsh Sanchar Nigam Ltd. Aut
       7018      821          1498      AT&T WorldNet Services
      23577      791           800      Korea Telecom (ATM-MPLS)
       6197      770          1027      BellSouth Network Solutions, 
       9498      738          1056      BHARTI BT INTERNET LTD.
      17488      723           908      Hathway IP Over Cable Interne
       4766      607           818      Korea Telecom (KIX)
       4323      585          1380      Time Warner Telecom
      15270      571           608      PaeTec.net -a division of Pae
      19916      564           569      OLM LLC 
       6517      554           598      Yipes Communications, Inc. 
       5668      518           658      CenturyTel Internet Holdings,
       4668      509           519      LG-EDS Systems Inc.
      18101      503           607      Reliance Infocom Ltd Internet
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:9         8:89       12:1872     13:1        15:20       16:3      
        17:6        18:13       20:35       24:1007     25:1        31:1      
        32:62       33:3        38:363      40:64       41:414      44:2      
        47:8        52:3        55:3        56:3        57:21       58:477    
        59:414      60:383      61:997      62:990      63:1987     64:3298   
        65:2360     66:3593     67:929      68:642      69:2035     70:467    
        71:106      72:1435     73:7        74:744      75:263      76:150    
        77:478      78:359      79:40       80:889      81:812      82:565    
        83:353      84:618      85:882      86:362      87:609      88:280    
        89:1043     90:39       91:792      92:13       96:1        97:6      
        98:16      114:1       115:1       116:455     117:230     118:47     
       121:357     122:654     123:223     124:727     125:982     128:309    
       129:195     130:137     131:374     132:60      133:9       134:193    
       135:33      136:195     137:82      138:149     139:74      140:512    
       141:146     142:373     143:259     144:323     145:51      146:329    
       147:125     148:481     149:185     150:170     151:137     152:95     
       153:122     154:11      155:269     156:199     157:225     158:160    
       159:197     160:184     161:97      162:189     163:185     164:558    
       165:415     166:289     167:310     168:537     169:126     170:419    
       171:29      172:5       173:1       189:118     190:1266    192:5730   
       193:4045    194:3221    195:2315    196:938     198:3809    199:3236   
       200:5236    201:1275    202:7472    203:7800    204:3986    205:2011   
       206:2406    207:2773    208:2998    209:3541    210:2513    211:1110   
       212:1274    213:1589    214:407     215:45      216:4081    217:1207   
       218:331     219:404     220:1005    221:408     222:282    
      
      End of report