[afnog] Weekly Routing Table Report

Routing Analysis Role Account cscora at apnic.net
Fri Nov 17 18:02:45 UTC 2006


This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.
Daily listings are sent to bgp-stats at lists.apnic.net

For historical data, please see http://thyme.apnic.net.

If you have any comments please contact Philip Smith <pfs at cisco.com>.

Routing Table Report   04:00 +10GMT Sat 18 Nov, 2006

Analysis Summary
----------------

BGP routing table entries examined:                              203977
    Prefixes after maximum aggregation:                          110635
    Unique aggregates announced to Internet:                      99054
Total ASes present in the Internet Routing Table:                 23714
Origin-only ASes present in the Internet Routing Table:           20668
Origin ASes announcing only one prefix:                            9968
Transit ASes present in the Internet Routing Table:                3046
Transit-only ASes present in the Internet Routing Table:             82
Average AS path length visible in the Internet Routing Table:       3.6
    Max AS path length visible:                                      29
    Max AS path prepend of ASN (36728)                               27
Prefixes from unregistered ASNs in the Routing Table:                 1
    Unregistered ASNs in the Routing Table:                           3
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:              7
Number of addresses announced to Internet:                   1636930476
    Equivalent to 97 /8s, 145 /16s and 147 /24s
    Percentage of available address space announced:               44.2
    Percentage of allocated address space announced:               62.7
    Percentage of available address space allocated:               70.5
Total number of prefixes smaller than registry allocations:      103463

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes:                    45034
    Total APNIC prefixes after maximum aggregation:               18334
Prefixes being announced from the APNIC address blocks:           42613
    Unique aggregates announced from the APNIC address blocks:    18655
APNIC Region origin ASes present in the Internet Routing Table:    2761
APNIC Region origin ASes announcing only one prefix:                779
APNIC Region transit ASes present in the Internet Routing Table:    411
Average APNIC Region AS path length visible:                        3.5
    Max APNIC Region AS path length visible:                         16
Number of APNIC addresses announced to Internet:              269241056
    Equivalent to 16 /8s, 12 /16s and 74 /24s
    Percentage of available APNIC address space announced:         84.2

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, 121/8, 122/7, 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:                    101463
    Total ARIN prefixes after maximum aggregation:                59963
Prefixes being announced from the ARIN address blocks:            74702
    Unique aggregates announced from the ARIN address blocks:     28353
ARIN Region origin ASes present in the Internet Routing Table:    11159
ARIN Region origin ASes announcing only one prefix:                4256
ARIN Region transit ASes present in the Internet Routing Table:    1032
Average ARIN Region AS path length visible:                         3.3
    Max ARIN Region AS path length visible:                          29
Number of ARIN addresses announced to Internet:               310888832
    Equivalent to 18 /8s, 135 /16s and 201 /24s
    Percentage of available ARIN address space announced:          68.6

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:                     41751
    Total RIPE prefixes after maximum aggregation:                27478
Prefixes being announced from the RIPE address blocks:            38656
    Unique aggregates announced from the RIPE address blocks:     25768
RIPE Region origin ASes present in the Internet Routing Table:     8794
RIPE Region origin ASes announcing only one prefix:                4639
RIPE Region transit ASes present in the Internet Routing Table:    1412
Average RIPE Region AS path length visible:                         4.0
    Max RIPE Region AS path length visible:                          22
Number of RIPE addresses announced to Internet:               276008708
    Equivalent to 16 /8s, 115 /16s and 143 /24s
    Percentage of available RIPE address space announced:          74.8

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
                       40960-41983
RIPE Address Blocks    62/8, 77/8, 78/7, 80/5, 88/6, 193/8, 194/7,
                       212/7 and 217/8

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes:                   13339
    Total LACNIC prefixes after maximum aggregation:               3928
Prefixes being announced from the LACNIC address blocks:          11292
    Unique aggregates announced from the LACNIC address blocks:    6919
LACNIC Region origin ASes present in the Internet Routing Table:    751
LACNIC Region origin ASes announcing only one prefix:               246
LACNIC Region transit ASes present in the Internet Routing Table:   132
Average LACNIC Region AS path length visible:                       4.1
    Max LACNIC Region AS path length visible:                        17
Number of LACNIC addresses announced to Internet:              34189056
    Equivalent to 2 /8s, 9 /16s and 175 /24s
    Percentage of available LACNIC address space announced:        50.9

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:                   2389
    Total AfriNIC prefixes after maximum aggregation:               932
Prefixes being announced from the AfriNIC address blocks:          1656
    Unique aggregates announced from the AfriNIC address blocks:   1052
AfriNIC Region origin ASes present in the Internet Routing Table:   167
AfriNIC Region origin ASes announcing only one prefix:               48
AfriNIC Region transit ASes present in the Internet Routing Table:   27
Average AfriNIC Region AS path length visible:                      3.5
    Max AfriNIC Region AS path length visible:                       14
Number of AfriNIC addresses announced to Internet:              4487168
    Equivalent to 0 /8s, 68 /16s and 120 /24s
    Percentage of available AfriNIC address space announced:       13.4

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
 4134     1231       8533         248   CHINANET-BACKBONE
 4755     1032        384          67   Videsh Sanchar Nigam Ltd. Aut
 9583      935        109          15   Sify Limited
 9498      884        212          64   BHARTI BT INTERNET LTD.
23577      772         35         702   KRNIC
 4766      743       4945         305   Korea Telecom (KIX)
 1221      584       1714         449   Telstra Pty Ltd
17488      552         34          18   Hathway IP Over Cable Interne
 7545      547        124          73   TPG Internet Pty Ltd
17676      500      10934          64   Softbank BB Corp.
18101      482         86          21   Reliance Infocom Ltd Internet
 9443      443        111          74   Primus Telecommunications
 9942      440         82         132   COMindico Australia
 4812      439        749          63   China Telecom (Shanghai)
17849      430         36         126   Telecommunications Technology
 4802      411         86         151   Wantree Development
17974      369        129          12   PT TELEKOMUNIKASI INDONESIA
17557      368         32         179   Pakistan Telecom
 2907      333       1749         310   SINET Japan
 4837      320       3553         138   chinanet IDC center beijing n

ARIN Region per AS prefix count summary
---------------------------------------

  ASN   No of nets  /20 equiv  MaxAgg  Description
 7018     1545       6188         980   AT&T WorldNet Services
 2386     1109        570         738   AT&T Data Communications Serv
 4323     1038        804         298   Time Warner Telecom
 6197     1023        626         496   BellSouth Network Solutions, 
18566      977        272           8   Covad Communications 
  701      948       6706         772   UUNET Technologies, Inc. 
  174      945       6822         870   Cogent Communications
  721      846      21922         302   DLA Systems Automation Center
 1239      838       2731         585   Sprint 
20115      834        687         413   Charter Communications 
11492      806         98          15   Cable One 
19262      784       2436         177   Verizon Global Networks 
22773      714       1743          41   Cox Communications, Inc.
  209      709       3761         553   Qwest 
 7011      691        213         431   Citizens Utilities 
  852      592       1084         386   Telus Advanced Communications
19916      567         48          57   OLM LLC 
 5668      550        161          19   CenturyTel Internet Holdings,
 6198      548        526         255   BellSouth Network Solutions, 
  855      540        250          74   Canadian Research Network 

RIPE Region per AS prefix count summary
---------------------------------------

  ASN   No of nets  /20 equiv  MaxAgg  Description
  702      553       1929         431   UUNET - Commercial IP service
 3301      313       1200         296   TeliaNet Sweden
 3320      298       4992         246   Deutsche Telekom AG
24863      286         44          27   LINKdotNET AS number
 8220      272        472         262   COLT Telecommunications
 6746      259         92         236   Dynamic Network Technologies,
  680      250       2041         246   DFN-IP service G-WiN
 3246      230        459         219   Song Networks
 9116      228        134          23   Goldenlines main autonomous s
 8708      221        279         208   Romania Data Systems S.A.
 3215      219       1964          93   France Telecom Transpac
 1257      218       1073         172   SWIPnet Swedish IP Network
 8551      215        198          30   Bezeq International
 3269      208       2357          75   TELECOM ITALIA
30890      194         17          83   SC Kappa Invexim SRL
 5416      188         13          13   BATELCO-BH
 3300      176        171          95   AUCS Communications Services 
 6830      173        695          38   UPC Distribution Services
  786      171       1779         171   The JANET IP Service
 3352      168       1703          31   Ibernet, Internet Access Netw

LACNIC Region per AS prefix count summary
-----------------------------------------

  ASN   No of nets  /20 equiv  MaxAgg  Description
 8151      759       1921         208   UniNet S.A. de C.V. 
11830      484        299          19   Instituto Costarricense de El
11172      400        101          89   Servicios Alestra S.A de C.V 
16814      329         20           8   NSS, S.A. 
22047      307        206          11   VTR PUNTO NET S.A. 
 6471      266         74          30   ENTEL CHILE S.A. 
14117      254         16          13   Telefonica del Sur S.A. 
 6147      223        150          23   Telefonica Del Peru 
 7303      214         96          38   Telecom Argentina Stet-France
 6503      209        170          94   AVANTEL, S.A. 
11556      195         96           4   Cable-Wireless Panama 
10481      181         72           8   Prima S.A. 
21826      151         20          34   INTERCABLE 
23216      143         19          43   RAMtelecom Telecomunicaciones
19169      139          9          22   Telconet 
19429      135         84          34   E.T.B. 
14522      130         20          13   SatNet S.A. 
18822      129          8          10   TELEFONICA MANQUEHUE 
 7910      127          9          35   ANDINET ON LINE 
 7738      116        442          21   Telecomunicacoes da Bahia S.A

AfriNIC Region per AS prefix count summary
------------------------------------------

  ASN   No of nets  /20 equiv  MaxAgg  Description
 3741      293        804         233   The Internet Solution 
 8452      186         60           9   TEDATA
15475      153         84           4   Nile Online
 6713      145        139          12   Itissalat Al-MAGHRIB
 2018      133        297         111   Tertiary Education Network 
 5536      122          8          17   Internet Egypt Network
24835      116         48           6   RAYA Telecom - Egypt
33783      110          6           4   EEPAD TISP TELECOM & INTERNET
 2905       78        173          71   The Internetworking Company o
 2561       56          6           2   Egyptian Universities Network
15706       56         12           4   Sudatel Internet Exchange Aut
12455       40          6           3   Jambonet Autonomous system
 5713       36        293          32   Telkom SA Ltd 
33774       34          8          21   AS Number for Telecom Algeria
16637       33         21          25   Johnnic e-Ventures 
 8524       31          2           5   AUCEGYPT Autonomous System
23889       30          9          12   MAURITIUS TELECOM
21280       26          4           4   Swift Global Kenya Ltd.Is an 
10798       23          1          14   Standard Bank of South Africa
33766       21          2           1   Nyala Communications Pty Ltd 

Global Per AS Maximum Aggr summary
----------------------------------

  ASN   No of nets  Net Savings Description
 4134      1231         983      CHINANET-BACKBONE
18566       977         969      Covad Communications 
 4755      1032         965      Videsh Sanchar Nigam Ltd. Aut
 9583       935         920      Sify Limited
 9498       884         820      BHARTI BT INTERNET LTD.
11492       806         791      Cable One 
 4323      1038         740      Time Warner Telecom
22773       714         673      Cox Communications, Inc.
19262       784         607      Verizon Global Networks 
 8151       759         551      UniNet S.A. de C.V. 
  721       846         544      DLA Systems Automation Center
17488       552         534      Hathway IP Over Cable Interne
 5668       550         531      CenturyTel Internet Holdings,
 6197      1023         527      BellSouth Network Solutions, 
19916       567         510      OLM LLC 
 7545       547         474      TPG Internet Pty Ltd
  855       540         466      Canadian Research Network 
11830       484         465      Instituto Costarricense de El
18101       482         461      Reliance Infocom Ltd Internet
15270       485         451      PaeTec.net -a division of Pae

List of Unregistered Origin ASNs (Global)
-----------------------------------------

Bad AS  Designation  Network              Transit AS  Description
24409   UNALLOCATED   203.119.29.0/24       9808       Guangdong Mobile Com

Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------

Prefix             Origin AS  Description
198.18.0.0/15         8895     KACST/ISU Riyadh Autonomous S

Advertised Unallocated Addresses
--------------------------------

Network            Origin AS  Description
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
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 
192.172.0.0/19         721     DLA Systems Automation Center

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

 /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
 /7:0        /8:19       /9:10      /10:13      /11:30      /12:110     
/13:220     /14:398     /15:795     /16:9058    /17:3599    /18:5810    
/19:12653   /20:14225   /21:12745   /22:16148   /23:17608   /24:108822  
/25:661     /26:476     /27:359     /28:67      /29:41      /30:80      
/31:0       /32:30      

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

  ASN   No of nets  Total ann.   Description
18566      960           977      Covad Communications 
 2386      827          1109      AT&T Data Communications Serv
 7018      822          1545      AT&T WorldNet Services
 6197      802          1023      BellSouth Network Solutions, 
11492      792           806      Cable One 
 9583      766           935      Sify Limited
23577      758           772      KRNIC
 7011      596           691      Citizens Utilities 
19916      562           567      OLM LLC 
 4766      554           743      Korea Telecom (KIX)
 9498      535           884      BHARTI BT INTERNET LTD.
 4755      462          1032      Videsh Sanchar Nigam Ltd. Aut
15270      455           485      PaeTec.net -a division of Pae
  855      436           540      Canadian Research Network 
 5668      426           550      CenturyTel Internet Holdings,
 1239      420           838      Sprint 
17849      416           430      Telecommunications Technology
18101      415           482      Reliance Infocom Ltd Internet
 6198      388           548      BellSouth Network Solutions, 
33588      387           408      Bresnan Communications, LLC. 

Number of /24s announced per /8 block (Global)
----------------------------------------------

   4:9         8:61        9:1        12:1639     13:1        15:15     
  16:3        17:3        18:4        20:39       24:850      25:1      
  32:56       38:265      40:57       41:23       44:2        47:8      
  52:4        53:1        55:1        56:3        57:26       58:263    
  59:319      60:221      61:946      62:1060     63:1880     64:3164   
  65:2285     66:3050     67:658      68:657      69:1700     70:403    
  71:114      72:996      74:112      75:42       76:14       80:830    
  81:749      82:641      83:385      84:457      85:759      86:418    
  87:419      88:244      89:619      91:75      121:67      122:27     
 123:3       124:440     125:708     128:290     129:206     130:125    
 131:315     132:35      133:9       134:177     135:42      136:179    
 137:113     138:186     139:49      140:525     141:134     142:347    
 143:192     144:246     145:67      146:324     147:138     148:367    
 149:175     150:115     151:118     152:83      153:121     154:5      
 155:261     156:147     157:161     158:152     159:173     160:98     
 161:88      162:215     163:154     164:237     165:235     166:243    
 167:270     168:488     169:124     170:389     171:11      190:287    
 192:5745    193:3579    194:2779    195:2138    196:878     198:3779   
 199:3292    200:4576    201:954     202:6948    203:7152    204:3934   
 205:2089    206:2416    207:2896    208:2326    209:3556    210:2166   
 211:873     212:1372    213:1448    214:382     215:39      216:4130   
 217:1164    218:341     219:257     220:794     221:356     222:250    


End of report
Report Website: http://thyme.apnic.net



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