[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, 25 Aug 2007 04:03:24 +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 25 Aug, 2007
      
      Report Website: http://thyme.apnic.net
      This report:    http://thyme.apnic.net/ap-data/2007/08/25/0400
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              229751
          Prefixes after maximum aggregation:                          119874
          Deaggregation factor:                                          1.92
          Unique aggregates announced to Internet:                     110416
      Total ASes present in the Internet Routing Table:                 26036
          Prefixes per ASN:                                              8.82
      Origin-only ASes present in the Internet Routing Table:           22668
      Origin ASes announcing only one prefix:                           11045
      Transit ASes present in the Internet Routing Table:                3368
      Transit-only ASes present in the Internet Routing Table:             76
      Average AS path length visible in the Internet Routing Table:       3.6
          Max AS path length visible:                                      21
          Max AS path prepend of ASN (35389)                               16
      Prefixes from unregistered ASNs in the Routing Table:                 5
          Unregistered ASNs in the Routing Table:                           5
      Prefixes from 32-bit ASNs in the Routing Table:                       6
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:             11
      Number of addresses announced to Internet:                   1755282784
          Equivalent to 104 /8s, 159 /16s and 125 /24s
          Percentage of available address space announced:               47.4
          Percentage of allocated address space announced:               62.0
          Percentage of available address space allocated:               76.4
      Total number of prefixes smaller than registry allocations:      121765
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    53875
          Total APNIC prefixes after maximum aggregation:               20446
          APNIC Deaggregation factor:                                    2.63
      Prefixes being announced from the APNIC address blocks:           50793
          Unique aggregates announced from the APNIC address blocks:    21320
      APNIC Region origin ASes present in the Internet Routing Table:    3034
          APNIC Prefixes per ASN:                                       16.74
      APNIC Region origin ASes announcing only one prefix:                806
      APNIC Region transit ASes present in the Internet Routing Table:    468
      Average APNIC Region AS path length visible:                        3.7
          Max APNIC Region AS path length visible:                         19
      Number of APNIC addresses announced to Internet:              312948384
          Equivalent to 18 /8s, 167 /16s and 54 /24s
          Percentage of available APNIC address space announced:         77.5
      
      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, 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:                    108606
          Total ARIN prefixes after maximum aggregation:                62865
          ARIN Deaggregation factor:                                     1.73
      Prefixes being announced from the ARIN address blocks:            79932
          Unique aggregates announced from the ARIN address blocks:     31815
      ARIN Region origin ASes present in the Internet Routing Table:    11778
          ARIN Prefixes per ASN:                                         6.79
      ARIN Region origin ASes announcing only one prefix:                4530
      ARIN Region transit ASes present in the Internet Routing Table:    1080
      Average ARIN Region AS path length visible:                         3.4
          Max ARIN Region AS path length visible:                          14
      Number of ARIN addresses announced to Internet:               342669824
          Equivalent to 20 /8s, 108 /16s and 186 /24s
          Percentage of available ARIN address space announced:          75.6
      
      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:                     48155
          Total RIPE prefixes after maximum aggregation:                31109
          RIPE Deaggregation factor:                                     1.55
      Prefixes being announced from the RIPE address blocks:            44559
          Unique aggregates announced from the RIPE address blocks:     29324
      RIPE Region origin ASes present in the Internet Routing Table:    10092
          RIPE Prefixes per ASN:                                         4.42
      RIPE Region origin ASes announcing only one prefix:                5367
      RIPE Region transit ASes present in the Internet Routing Table:    1605
      Average RIPE Region AS path length visible:                         4.0
          Max RIPE Region AS path length visible:                          21
      Number of RIPE addresses announced to Internet:               325478784
          Equivalent to 19 /8s, 102 /16s and 105 /24s
          Percentage of available RIPE address space announced:          74.6
      
      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
                             40960-44031
      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:                   16376
          Total LACNIC prefixes after maximum aggregation:               4412
          LACNIC Deaggregation factor:                                   3.71
      Prefixes being announced from the LACNIC address blocks:          14510
          Unique aggregates announced from the LACNIC address blocks:    7783
      LACNIC Region origin ASes present in the Internet Routing Table:    849
          LACNIC Prefixes per ASN:                                      17.09
      LACNIC Region origin ASes announcing only one prefix:               273
      LACNIC Region transit ASes present in the Internet Routing Table:   146
      Average LACNIC Region AS path length visible:                       3.9
          Max LACNIC Region AS path length visible:                        19
      Number of LACNIC addresses announced to Internet:              42072832
          Equivalent to 2 /8s, 129 /16s and 251 /24s
          Percentage of available LACNIC address space announced:        62.7
      
      LACNIC AS Blocks       26592-26623, 27648-28671, plus ERX transfers
      LACNIC Address Blocks  189/8, 190/8, 200/7
      
      AfriNIC Region Analysis Summary
      -------------------------------
      
      Prefixes being announced by AfriNIC Region ASes:                   2728
          Total AfriNIC prefixes after maximum aggregation:              1030
          AfriNIC Deaggregation factor:                                  2.65
      Prefixes being announced from the AfriNIC address blocks:          2272
          Unique aggregates announced from the AfriNIC address blocks:   1342
      AfriNIC Region origin ASes present in the Internet Routing Table:   206
          AfriNIC Prefixes per ASN:                                     11.03
      AfriNIC Region origin ASes announcing only one prefix:               69
      AfriNIC Region transit ASes present in the Internet Routing Table:   32
      Average AfriNIC Region AS path length visible:                      4.0
          Max AfriNIC Region AS path length visible:                       15
      Number of AfriNIC addresses announced to Internet:              7439360
          Equivalent to 0 /8s, 113 /16s and 132 /24s
          Percentage of available AfriNIC address space announced:       22.2
      
      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     1337        383          73   Videsh Sanchar Nigam Ltd. Aut
       4134     1336      11150         289   CHINANET-BACKBONE
       9583     1133        108          17   Sify Limited
       9498      995        532          66   BHARTI BT INTERNET LTD.
       4766      800       5441         316   Korea Telecom (KIX)
      23577      786         34         683   Korea Telecom (ATM-MPLS)
      17488      778         51          54   Hathway IP Over Cable Interne
       7545      732        159         121   TPG Internet Pty Ltd
      18101      592        119          48   Reliance Infocom Ltd Internet
       4812      547        968          96   China Telecom (Shanghai)
       1221      543       1951         424   Telstra Pty Ltd
       4668      516         68          10   LG-EDS Systems Inc.
      17676      503      10919          64   Softbank BB Corp.
       4808      476        768         107   CNCGROUP IP network: China169
       9443      464        122          77   Primus Telecommunications
       4802      431        116         157   Wantree Development
       7474      381        216         269   SingTel Optus Pty Ltd
       4837      366       5104         167   chinanet IDC center beijing n
       9829      363        258          14   BSNL National Internet Backbo
      17974      363        130          13   PT TELEKOMUNIKASI INDONESIA
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       7018     1479       6076         994   AT&T WorldNet Services
       4323     1324        992         372   Time Warner Telecom
       2386     1215        617         749   AT&T Data Communications Serv
       6478     1141        322         134   AT&T Worldnet Services 
      11492     1135        110          16   Cable One 
       6197     1029        718         509   BellSouth Network Solutions, 
      18566     1020        288           9   Covad Communications 
        174      971       6780         861   Cogent Communications
        701      943       6578         723   UUNET Technologies, Inc. 
       7011      918        277         554   Citizens Utilities 
      20115      815        748         434   Charter Communications 
       1239      796       2720         564   Sprint 
      19262      767       2743         186   Verizon Global Networks 
      22773      759       2148          49   Cox Communications, Inc.
        209      739       3820         584   Qwest 
       5668      630        171          24   CenturyTel Internet Holdings,
       6517      589        165          37   Yipes Communications, Inc. 
        852      577       1096         362   Telus Advanced Communications
       3356      571      10826         339   Level 3 Communications, LLC 
        855      570        254          73   Canadian Research Network 
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       2119      505        918         378   Telenor Internet Access
        702      491       1921         393   UUNET - Commercial IP service
      24863      366         57          40   LINKdotNET AS number
       9116      344        168          26   Goldenlines main autonomous s
       3320      314       6035         261   Deutsche Telekom AG
       3301      313       1456         293   TeliaNet Sweden
       6746      288        130         264   Dynamic Network Technologies,
        680      265       2061         256   DFN-IP service G-WiN
       8708      262        420         241   Romania Data Systems S.A.
       8220      260        445         243   COLT Telecommunications
       3215      258       2424          98   France Telecom Transpac
       8551      232        228          27   Bezeq International
       3352      226       1868          38   Ibernet, Internet Access Netw
       3269      221       2775          73   TELECOM ITALIA
       9121      214       1441          24   TTnet Autonomous System
       3292      195       1379         175   TDC Tele Danmark
      12479      194        578           6   Uni2 Autonomous System
       1257      192       1195         170   SWIPnet Swedish IP Network
       3300      192        172          93   AUCS Communications Services 
       3246      186        252         177   Song Networks
      
      LACNIC Region per AS prefix count summary
      -----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       8151      925       1973         209   UniNet S.A. de C.V. 
      11830      483        299           9   Instituto Costarricense de El
      16814      426         26           9   NSS, S.A. 
      11172      375        115          61   Servicios Alestra S.A de C.V 
       7303      334        175          42   Telecom Argentina Stet-France
      14522      334         28           7   SatNet S.A. 
       6471      322         75          33   ENTEL CHILE S.A. 
      22047      318        246          13   VTR PUNTO NET S.A. 
      14117      281         19          15   Telefonica del Sur S.A. 
      10481      278        104           9   Prima S.A. 
      11556      237        128           4   Cable-Wireless Panama 
       6147      227        178          24   Telefonica Del Peru 
      10620      218         61          20   TVCABLE BOGOTA 
       6503      201        170          82   AVANTEL, S.A. 
      23216      195         16          43   RAMtelecom Telecomunicaciones
      20299      179         25          31   NEWCOM AMERICAS 
       8163      177         11           6   METROTEL REDES S.A. 
      19169      164         12          15   Telconet 
      21826      164         29          58   INTERCABLE 
       7738      162        506          23   Telecomunicacoes da Bahia S.A
      
      AfriNIC Region per AS prefix count summary
      ------------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       3741      283        868         224   The Internet Solution 
       8452      233        188           7   TEDATA
       6713      142        135          11   Itissalat Al-MAGHRIB
       2018      140        301         115   Tertiary Education Network 
      33783      126          8          11   EEPAD TISP TELECOM & INTERNET
       5536      124          8          10   Internet Egypt Network
      33776       99          6           8   Starcomms Nigeria Limited
      24835       88         48           7   RAYA Telecom - Egypt
      15475       76         84           4   Nile Online
       2905       74        174          71   The Internetworking Company o
       2561       62          6           2   Egyptian Universities Network
      15706       52         12           4   Sudatel Internet Exchange Aut
      23889       52         24          15   MAURITIUS TELECOM
       5713       46        294          36   Telkom SA Ltd 
      16637       46         21          29   Johnnic e-Ventures 
      33774       46         29          24   AS Number for Telecom Algeria
       8524       31          2          10   AUCEGYPT Autonomous System
      21280       30          4           4   Swift Global Kenya Ltd.Is an 
      10798       27         16           1   Standard Bank of South Africa
      12455       27          6           3   Jambonet Autonomous system
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
       4755      1337        1264      Videsh Sanchar Nigam Ltd. Aut
      11492      1135        1119      Cable One 
       9583      1133        1116      Sify Limited
       4134      1336        1047      CHINANET-BACKBONE
      18566      1020        1011      Covad Communications 
       6478      1141        1007      AT&T Worldnet Services 
       4323      1324         952      Time Warner Telecom
       9498       995         929      BHARTI BT INTERNET LTD.
      17488       778         724      Hathway IP Over Cable Interne
       8151       925         716      UniNet S.A. de C.V. 
      22773       759         710      Cox Communications, Inc.
       7545       732         611      TPG Internet Pty Ltd
       5668       630         606      CenturyTel Internet Holdings,
      19262       767         581      Verizon Global Networks 
       6517       589         552      Yipes Communications, Inc. 
      18101       592         544      Reliance Infocom Ltd Internet
      15270       568         530      PaeTec.net -a division of Pae
       6197      1029         520      BellSouth Network Solutions, 
      19916       568         517      OLM LLC 
       4668       516         506      LG-EDS Systems Inc.
      
      List of Unregistered Origin ASNs (Global)
      -----------------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
      64539   PRIVATE       170.213.128.0/24      7132       SBC Internet Service
      64539   PRIVATE       170.213.129.0/24      7132       SBC Internet Service
      64539   PRIVATE       170.213.132.0/24      7132       SBC Internet Service
      64501   RESERVED      195.189.160.0/24     35041       Crystone Autonomous 
      24410   UNALLOCATED   203.119.28.0/24       4134       CHINANET-BACKBONE
      
      Advertised Unallocated Addresses
      --------------------------------
      
      Network            Origin AS  Description
      7.1.1.0/24            1239     Sprint 
      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
      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      /11:37      /12:134     
      /13:260     /14:471     /15:920     /16:9611    /17:4076    /18:6589    
      /19:13938   /20:16134   /21:14919   /22:19185   /23:20139   /24:120884  
      /25:781     /26:1032    /27:504     /28:82      /29:5       /30:0       
      /31:0       /32:8       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       6478     1140          1141      AT&T Worldnet Services 
      11492     1128          1135      Cable One 
      18566     1002          1020      Covad Communications 
       9583      966          1133      Sify Limited
       2386      908          1215      AT&T Data Communications Serv
       7018      817          1479      AT&T WorldNet Services
       7011      814           918      Citizens Utilities 
       6197      782          1029      BellSouth Network Solutions, 
      23577      777           786      Korea Telecom (ATM-MPLS)
       4755      720          1337      Videsh Sanchar Nigam Ltd. Aut
       9498      668           995      BHARTI BT INTERNET LTD.
      17488      601           778      Hathway IP Over Cable Interne
       4766      598           800      Korea Telecom (KIX)
      19916      563           568      OLM LLC 
       4323      557          1324      Time Warner Telecom
       6517      555           589      Yipes Communications, Inc. 
      15270      532           568      PaeTec.net -a division of Pae
       4668      506           516      LG-EDS Systems Inc.
      18101      499           592      Reliance Infocom Ltd Internet
       5668      495           630      CenturyTel Internet Holdings,
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:8         7:1         8:88       12:1814     13:1        15:19     
        16:3        17:3        18:13       20:37       24:964      25:1      
        32:56       33:3        38:347      40:60       41:315      44:2      
        47:4        52:4        55:3        56:3        57:25       58:470    
        59:386      60:364      61:1006     62:935      63:2001     64:3189   
        65:2364     66:3402     67:778      68:651      69:1963     70:445    
        71:104      72:1381     73:2        74:634      75:261      76:126    
        77:295      78:46       80:832      81:832      82:655      83:378    
        84:598      85:855      86:337      87:484      88:281      89:954    
        90:25       91:503      97:5       116:296     117:142     121:268    
       122:592     123:151     124:671     125:991     128:275     129:214    
       130:140     131:363     132:55      133:9       134:197     135:34     
       136:189     137:81      138:156     139:72      140:494     141:173    
       142:379     143:255     144:298     145:46      146:327     147:124    
       148:410     149:143     150:110     151:159     152:88      153:122    
       154:3       155:263     156:161     157:213     158:158     159:171    
       160:113     161:96      162:175     163:180     164:480     165:394    
       166:275     167:297     168:511     169:122     170:391     171:22     
       172:2       189:67      190:989     192:5740    193:3969    194:3185   
       195:2264    196:987     198:3811    199:3277    200:5138    201:1180   
       202:7408    203:7699    204:3928    205:1977    206:2414    207:2803   
       208:2786    209:3487    210:2461    211:1086    212:1329    213:1466   
       214:417     215:41      216:3978    217:1184    218:363     219:381    
       220:1026    221:412     222:264    
      
      End of report