[afnog] Weekly Routing Table Report

Routing Analysis Role Account cscora at apnic.net
Fri Oct 27 18:02:32 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 28 Oct, 2006

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

BGP routing table entries examined:                              201588
    Prefixes after maximum aggregation:                          109278
    Unique aggregates announced to Internet:                      97948
Total ASes present in the Internet Routing Table:                 23492
Origin-only ASes present in the Internet Routing Table:           20462
Origin ASes announcing only one prefix:                            9840
Transit ASes present in the Internet Routing Table:                3030
Transit-only ASes present in the Internet Routing Table:             78
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:                           4
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:             10
Number of addresses announced to Internet:                   1621962480
    Equivalent to 96 /8s, 173 /16s and 46 /24s
    Percentage of available address space announced:               43.8
    Percentage of allocated address space announced:               60.5
    Percentage of available address space allocated:               72.3
Total number of prefixes smaller than registry allocations:      101380

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

Prefixes being announced by APNIC Region ASes:                    44214
    Total APNIC prefixes after maximum aggregation:               17732
Prefixes being announced from the APNIC address blocks:           41802
    Unique aggregates announced from the APNIC address blocks:    18547
APNIC Region origin ASes present in the Internet Routing Table:    2736
APNIC Region origin ASes announcing only one prefix:                762
APNIC Region transit ASes present in the Internet Routing Table:    413
Average APNIC Region AS path length visible:                        3.5
    Max APNIC Region AS path length visible:                         16
Number of APNIC addresses announced to Internet:              265045600
    Equivalent to 15 /8s, 204 /16s and 70 /24s
    Percentage of available APNIC address space announced:         82.9

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:                    101164
    Total ARIN prefixes after maximum aggregation:                59714
Prefixes being announced from the ARIN address blocks:            74325
    Unique aggregates announced from the ARIN address blocks:     28105
ARIN Region origin ASes present in the Internet Routing Table:    11096
ARIN Region origin ASes announcing only one prefix:                4221
ARIN Region transit ASes present in the Internet Routing Table:    1034
Average ARIN Region AS path length visible:                         3.3
    Max ARIN Region AS path length visible:                          29
Number of ARIN addresses announced to Internet:               307322752
    Equivalent to 18 /8s, 81 /16s and 95 /24s
    Percentage of available ARIN address space announced:          67.8

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:                     40878
    Total RIPE prefixes after maximum aggregation:                27061
Prefixes being announced from the RIPE address blocks:            37833
    Unique aggregates announced from the RIPE address blocks:     25312
RIPE Region origin ASes present in the Internet Routing Table:     8675
RIPE Region origin ASes announcing only one prefix:                4566
RIPE Region transit ASes present in the Internet Routing Table:    1395
Average RIPE Region AS path length visible:                         4.0
    Max RIPE Region AS path length visible:                          22
Number of RIPE addresses announced to Internet:               269882372
    Equivalent to 16 /8s, 22 /16s and 20 /24s
    Percentage of available RIPE address space announced:          73.1

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:                   12989
    Total LACNIC prefixes after maximum aggregation:               3842
Prefixes being announced from the LACNIC address blocks:          10964
    Unique aggregates announced from the LACNIC address blocks:    6696
LACNIC Region origin ASes present in the Internet Routing Table:    743
LACNIC Region origin ASes announcing only one prefix:               244
LACNIC Region transit ASes present in the Internet Routing Table:   130
Average LACNIC Region AS path length visible:                       4.1
    Max LACNIC Region AS path length visible:                        17
Number of LACNIC addresses announced to Internet:              33581312
    Equivalent to 2 /8s, 0 /16s and 105 /24s
    Percentage of available LACNIC address space announced:        50.0

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:                   2342
    Total AfriNIC prefixes after maximum aggregation:               929
Prefixes being announced from the AfriNIC address blocks:          1607
    Unique aggregates announced from the AfriNIC address blocks:   1070
AfriNIC Region origin ASes present in the Internet Routing Table:   164
AfriNIC Region origin ASes announcing only one prefix:               47
AfriNIC Region transit ASes present in the Internet Routing Table:   27
Average AfriNIC Region AS path length visible:                      3.6
    Max AfriNIC Region AS path length visible:                       14
Number of AfriNIC addresses announced to Internet:              4322048
    Equivalent to 0 /8s, 65 /16s and 243 /24s
    Percentage of available AfriNIC address space announced:       12.9

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     1250       8392         243   CHINANET-BACKBONE
 4755     1014        383          66   Videsh Sanchar Nigam Ltd. Aut
 9583      941        109          15   Sify Limited
 9498      863        212          64   BHARTI BT INTERNET LTD.
 4766      739       4436         306   Korea Telecom (KIX)
 1221      611       1780         469   Telstra Pty Ltd
 7545      543        124          73   TPG Internet Pty Ltd
17488      542         34          14   Hathway IP Over Cable Interne
17676      500      10934          64   Softbank BB Corp.
18101      464         86          21   Reliance Infocom Ltd Internet
 9443      454        111          74   Primus Telecommunications
 4812      437        745          61   China Telecom (Shanghai)
 9942      431         77         125   COMindico Australia
17849      430         36         126   Telecommunications Technology
 4802      412         86         150   Wantree Development
17557      365         31         176   Pakistan Telecom
17974      365        129          12   PT TELEKOMUNIKASI INDONESIA
10139      362         23           6   Meridian Telekoms
 2907      333       1733         310   SINET Japan
 4837      324       3556         140   chinanet IDC center beijing n

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
 7018     1541       6210         995   AT&T WorldNet Services
 2386     1186        620         756   AT&T Data Communications Serv
 4323     1030        786         291   Time Warner Telecom
 6197     1020        638         484   BellSouth Network Solutions, 
18566      969        272           8   Covad Communications 
  721      962      21925         306   DLA Systems Automation Center
  174      955       6822         880   Cogent Communications
  701      952       6721         773   UUNET Technologies, Inc. 
 1239      847       2764         596   Sprint 
11492      781         96          16   Cable One 
19262      777       2430         178   Verizon Global Networks 
20115      754        679         397   Charter Communications 
22773      716       1744          46   Cox Communications, Inc.
  209      707       3761         556   Qwest 
 7011      682        208         423   Citizens Utilities 
  852      592       1071         388   Telus Advanced Communications
19916      565         49          54   OLM LLC 
  855      539        250          74   Canadian Research Network 
 5668      539        145          18   CenturyTel Internet Holdings,
 6478      533       1289         335   AT&T Worldnet Services 

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
  702      546       1928         425   UUNET - Commercial IP service
 3301      314       1200         298   TeliaNet Sweden
 3320      307       5016         248   Deutsche Telekom AG
24863      274         41          30   LINKdotNET AS number
 8220      273        470         263   COLT Telecommunications
  680      251       2041         247   DFN-IP service G-WiN
 6746      246         91         223   Dynamic Network Technologies,
 3246      227        469         217   Song Networks
 9116      225        134          23   Goldenlines main autonomous s
 8708      223        279         210   Romania Data Systems S.A.
 3215      219       1952          92   France Telecom Transpac
 8551      216        198          28   Bezeq International
 1257      213        740         169   SWIPnet Swedish IP Network
 3269      206       2341          74   TELECOM ITALIA
30890      205         18          78   SC Kappa Invexim SRL
 6830      200        879          43   UPC Distribution Services
 5416      187         12          12   BATELCO-BH
 3300      175        171          95   AUCS Communications 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      749       1906         216   UniNet S.A. de C.V. 
11830      460        299          19   Instituto Costarricense de El
11172      433        101          88   Servicios Alestra S.A de C.V 
16814      329         20           8   NSS, S.A. 
22047      303        206          11   VTR PUNTO NET S.A. 
 6147      269        150          22   Telefonica Del Peru 
 6471      267         74          30   ENTEL CHILE S.A. 
14117      240         15          10   Telefonica del Sur S.A. 
 7303      208         93          35   Telecom Argentina Stet-France
 6503      195        169          86   AVANTEL, S.A. 
10481      181         72           8   Prima S.A. 
21826      145         19          30   INTERCABLE 
19169      136          9          21   Telconet 
19429      136         84          40   E.T.B. 
23216      135         19          43   RAMtelecom Telecomunicaciones
 7910      134          9          23   ANDINET ON LINE 
11556      132         96           4   Cable-Wireless Panama 
18822      129          8          10   TELEFONICA MANQUEHUE 
 7738      119        442          21   Telecomunicacoes da Bahia S.A
14522      117         18           9   SatNet S.A. 

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
 3741      295        804         234   The Internet Solution 
 8452      166         60           7   TEDATA
 6713      145        139          12   Itissalat Al-MAGHRIB
 2018      133        297         111   Tertiary Education Network 
15475      133         84           4   Nile Online
 5536      122          8          17   Internet Egypt Network
24835      116         48           6   RAYA Telecom - Egypt
33783      109          6           3   EEPAD TISP TELECOM & INTERNET
 2905       75        157          68   The Internetworking Company o
 2561       56          6           2   Egyptian Universities Network
15706       52         12           4   Sudatel Internet Exchange Aut
12455       39          6           3   Jambonet Autonomous system
 5713       36        293          32   Telkom SA Ltd 
33774       34          7          21   AS Number for Telecom Algeria
 8524       30          2           6   AUCEGYPT Autonomous System
23889       29          9          13   MAURITIUS TELECOM
21280       26          4           4   Swift Global Kenya Ltd.Is an 
16637       24         19          23   Johnnic e-Ventures 
10798       23          1          14   Standard Bank of South Africa
21491       21         17           2   UTL On-line is RF broadband I

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

  ASN   No of nets  Net Savings Description
 4134      1250        1007      CHINANET-BACKBONE
18566       969         961      Covad Communications 
 4755      1014         948      Videsh Sanchar Nigam Ltd. Aut
 9583       941         926      Sify Limited
 9498       863         799      BHARTI BT INTERNET LTD.
11492       781         765      Cable One 
 4323      1030         739      Time Warner Telecom
22773       716         670      Cox Communications, Inc.
  721       962         656      DLA Systems Automation Center
19262       777         599      Verizon Global Networks 
 6197      1020         536      BellSouth Network Solutions, 
 8151       749         533      UniNet S.A. de C.V. 
17488       542         528      Hathway IP Over Cable Interne
 5668       539         521      CenturyTel Internet Holdings,
19916       565         511      OLM LLC 
 7545       543         470      TPG Internet Pty Ltd
  855       539         465      Canadian Research Network 
15270       481         446      PaeTec.net -a division of Pae
18101       464         443      Reliance Infocom Ltd Internet
11830       460         441      Instituto Costarricense de El

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

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

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
172.33.1.0/24         7018     AT&T WorldNet Services
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 
192.84.205.0/24        719     LANLINK autonomous system
192.172.0.0/19         721     DLA Systems Automation Center
192.249.0.0/20        3450     University of Tennessee, Knox

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      /11:29      /12:107     
/13:216     /14:389     /15:779     /16:9046    /17:3513    /18:5749    
/19:12615   /20:14125   /21:12489   /22:15857   /23:17261   /24:108018  
/25:465     /26:371     /27:211     /28:71      /29:41      /30:152     
/31:0       /32:42      

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

  ASN   No of nets  Total ann.   Description
18566      952           969      Covad Communications 
 2386      897          1186      AT&T Data Communications Serv
 7018      817          1541      AT&T WorldNet Services
 6197      799          1020      BellSouth Network Solutions, 
 9583      770           941      Sify Limited
11492      767           781      Cable One 
 7011      590           682      Citizens Utilities 
19916      559           565      OLM LLC 
 4766      549           739      Korea Telecom (KIX)
 9498      523           863      BHARTI BT INTERNET LTD.
15270      450           481      PaeTec.net -a division of Pae
 4755      445          1014      Videsh Sanchar Nigam Ltd. Aut
  855      434           539      Canadian Research Network 
 1239      421           847      Sprint 
 5668      420           539      CenturyTel Internet Holdings,
17849      416           430      Telecommunications Technology
18101      397           464      Reliance Infocom Ltd Internet
22773      379           716      Cox Communications, Inc.
33588      370           391      Bresnan Communications, LLC. 
17488      362           542      Hathway IP Over Cable Interne

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

   4:7         6:1         8:54       12:1642     13:1        15:16     
  16:3        17:3        18:4        20:38       24:829      25:1      
  32:58       38:260      40:57       41:18       44:4        47:7      
  52:4        53:1        55:1        56:3        57:25       58:235    
  59:304      60:216      61:946      62:1017     63:1880     64:3096   
  65:2241     66:3057     67:651      68:653      69:1677     70:406    
  71:109      72:992      74:92       75:9        80:842      81:710    
  82:631      83:379      84:438      85:685      86:415      87:414    
  88:237      89:537      91:27      121:57      122:18      124:431    
 125:674     128:286     129:203     130:123     131:315     132:35     
 133:9       134:167     135:50      136:178     137:113     138:207    
 139:47      140:528     141:132     142:344     143:193     144:243    
 145:43      146:318     147:137     148:371     149:176     150:115    
 151:121     152:80      153:122     154:5       155:258     156:160    
 157:162     158:152     159:172     160:100     161:86      162:214    
 163:179     164:238     165:236     166:239     167:284     168:484    
 169:128     170:386     171:11      172:1       189:4       190:257    
 192:5750    193:3538    194:2745    195:2106    196:858     198:3888   
 199:3312    200:4524    201:934     202:6954    203:7121    204:3927   
 205:2104    206:2435    207:2954    208:2322    209:3535    210:2174   
 211:875     212:1342    213:1465    214:381     215:39      216:4074   
 217:1138    218:340     219:263     220:791     221:373     222:231    


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



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