[afnog] Weekly Routing Table Report

Routing Analysis Role Account cscora at apnic.net
Fri Nov 10 18:02:34 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 11 Nov, 2006

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

BGP routing table entries examined:                              202898
    Prefixes after maximum aggregation:                          110235
    Unique aggregates announced to Internet:                      98574
Total ASes present in the Internet Routing Table:                 23617
Origin-only ASes present in the Internet Routing Table:           20571
Origin ASes announcing only one prefix:                            9916
Transit ASes present in the Internet Routing Table:                3046
Transit-only ASes present in the Internet Routing Table:             79
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:                 5
    Unregistered ASNs in the Routing Table:                           4
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:              9
Number of addresses announced to Internet:                   1632337484
    Equivalent to 97 /8s, 75 /16s and 126 /24s
    Percentage of available address space announced:               44.0
    Percentage of allocated address space announced:               60.9
    Percentage of available address space allocated:               72.3
Total number of prefixes smaller than registry allocations:      102613

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

Prefixes being announced by APNIC Region ASes:                    44828
    Total APNIC prefixes after maximum aggregation:               18271
Prefixes being announced from the APNIC address blocks:           42407
    Unique aggregates announced from the APNIC address blocks:    18544
APNIC Region origin ASes present in the Internet Routing Table:    2751
APNIC Region origin ASes announcing only one prefix:                774
APNIC Region transit ASes present in the Internet Routing Table:    413
Average APNIC Region AS path length visible:                        3.6
    Max APNIC Region AS path length visible:                         16
Number of APNIC addresses announced to Internet:              268148384
    Equivalent to 15 /8s, 251 /16s and 158 /24s
    Percentage of available APNIC address space announced:         83.8

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:                    101382
    Total ARIN prefixes after maximum aggregation:                59857
Prefixes being announced from the ARIN address blocks:            74626
    Unique aggregates announced from the ARIN address blocks:     28255
ARIN Region origin ASes present in the Internet Routing Table:    11124
ARIN Region origin ASes announcing only one prefix:                4234
ARIN Region transit ASes present in the Internet Routing Table:    1031
Average ARIN Region AS path length visible:                         3.3
    Max ARIN Region AS path length visible:                          29
Number of ARIN addresses announced to Internet:               309186464
    Equivalent to 18 /8s, 109 /16s and 207 /24s
    Percentage of available ARIN address space announced:          68.3

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:                     41229
    Total RIPE prefixes after maximum aggregation:                27278
Prefixes being announced from the RIPE address blocks:            38059
    Unique aggregates announced from the RIPE address blocks:     25596
RIPE Region origin ASes present in the Internet Routing Table:     8751
RIPE Region origin ASes announcing only one prefix:                4619
RIPE Region transit ASes present in the Internet Routing Table:    1417
Average RIPE Region AS path length visible:                         4.0
    Max RIPE Region AS path length visible:                          22
Number of RIPE addresses announced to Internet:               274447876
    Equivalent to 16 /8s, 91 /16s and 190 /24s
    Percentage of available RIPE address space announced:          74.4

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:                   13201
    Total LACNIC prefixes after maximum aggregation:               3901
Prefixes being announced from the LACNIC address blocks:          11174
    Unique aggregates announced from the LACNIC address blocks:    6837
LACNIC Region origin ASes present in the Internet Routing Table:    746
LACNIC Region origin ASes announcing only one prefix:               241
LACNIC Region transit ASes present in the Internet Routing Table:   129
Average LACNIC Region AS path length visible:                       4.1
    Max LACNIC Region AS path length visible:                        17
Number of LACNIC addresses announced to Internet:              33985536
    Equivalent to 2 /8s, 6 /16s and 148 /24s
    Percentage of available LACNIC address space announced:        50.6

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:                   2253
    Total AfriNIC prefixes after maximum aggregation:               928
Prefixes being announced from the AfriNIC address blocks:          1644
    Unique aggregates announced from the AfriNIC address blocks:   1045
AfriNIC Region origin ASes present in the Internet Routing Table:   166
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:                      3.6
    Max AfriNIC Region AS path length visible:                       14
Number of AfriNIC addresses announced to Internet:              4483840
    Equivalent to 0 /8s, 68 /16s and 107 /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     1226       8497         247   CHINANET-BACKBONE
 4755     1029        384          67   Videsh Sanchar Nigam Ltd. Aut
 9583      961        109          15   Sify Limited
 9498      871        212          63   BHARTI BT INTERNET LTD.
23577      774         35         704   KRNIC
 4766      738       4949         306   Korea Telecom (KIX)
 1221      604       1780         466   Telstra Pty Ltd
 7545      547        124          73   TPG Internet Pty Ltd
17488      546         34          15   Hathway IP Over Cable Interne
17676      500      10934          64   Softbank BB Corp.
18101      474         86          22   Reliance Infocom Ltd Internet
 9443      443        111          74   Primus Telecommunications
 9942      439         80         132   COMindico Australia
 4812      438        749          62   China Telecom (Shanghai)
17849      430         36         126   Telecommunications Technology
 4802      411         86         151   Wantree Development
17557      367         32         178   Pakistan Telecom
17974      367        129          12   PT TELEKOMUNIKASI INDONESIA
 2907      333       1733         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     1538       6188         982   AT&T WorldNet Services
 2386     1111        570         737   AT&T Data Communications Serv
 4323     1039        786         293   Time Warner Telecom
 6197     1021        613         497   BellSouth Network Solutions, 
18566      975        272           8   Covad Communications 
  701      950       6706         774   UUNET Technologies, Inc. 
  174      942       6838         866   Cogent Communications
  721      856      21925         306   DLA Systems Automation Center
 1239      837       2747         584   Sprint 
11492      803         96          20   Cable One 
19262      782       2426         177   Verizon Global Networks 
20115      760        682         403   Charter Communications 
22773      716       1744          42   Cox Communications, Inc.
  209      705       3776         553   Qwest 
 7011      680        213         430   Citizens Utilities 
  852      594       1087         389   Telus Advanced Communications
19916      565         49          54   OLM LLC 
  855      539        250          74   Canadian Research Network 
 5668      539        161          19   CenturyTel Internet Holdings,
 3602      526        125         106   Sprint Canada, Inc. 

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
  702      551       1929         430   UUNET - Commercial IP service
 3301      312       1200         296   TeliaNet Sweden
 3320      309       5017         250   Deutsche Telekom AG
24863      285         43          31   LINKdotNET AS number
 8220      273        472         263   COLT Telecommunications
 6746      259         92         236   Dynamic Network Technologies,
  680      250       2041         246   DFN-IP service G-WiN
 9116      237        134          23   Goldenlines main autonomous s
 3246      229        475         219   Song Networks
 8708      222        279         209   Romania Data Systems S.A.
 1257      221       1072         174   SWIPnet Swedish IP Network
 3215      219       1964          93   France Telecom Transpac
 8551      215        198          30   Bezeq International
 3269      208       2357          75   TELECOM ITALIA
30890      202         18          80   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      770       1922         218   UniNet S.A. de C.V. 
11830      484        299          19   Instituto Costarricense de El
11172      394        101          88   Servicios Alestra S.A de C.V 
16814      330         20           9   NSS, S.A. 
22047      303        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      221        150          22   Telefonica Del Peru 
 7303      212         95          37   Telecom Argentina Stet-France
 6503      196        169          88   AVANTEL, S.A. 
10481      181         72           8   Prima S.A. 
21826      147         19          31   INTERCABLE 
 7910      140         11          29   ANDINET ON LINE 
11556      140         96           4   Cable-Wireless Panama 
19169      139          9          22   Telconet 
23216      136         19          43   RAMtelecom Telecomunicaciones
19429      135         84          34   E.T.B. 
18822      129          8          10   TELEFONICA MANQUEHUE 
14522      117         18           9   SatNet S.A. 
14259      116         10          13   GTD Internet S.A. 

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
 3741      292        804         233   The Internet Solution 
 8452      164         60           7   TEDATA
 6713      145        139          12   Itissalat Al-MAGHRIB
15475      134         84           4   Nile Online
 2018      133        297         111   Tertiary Education Network 
 5536      122          8          17   Internet Egypt Network
24835      116         48           6   RAYA Telecom - Egypt
 2905       77        173          70   The Internetworking Company o
 2561       56          6           2   Egyptian Universities Network
15706       56         12           4   Sudatel Internet Exchange Aut
12455       39          6           3   Jambonet Autonomous system
 5713       36        293          32   Telkom SA Ltd 
 8524       30          2           6   AUCEGYPT Autonomous System
33774       30          7          20   AS Number for Telecom Algeria
23889       29         10          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
33766       21          2           1   Nyala Communications Pty Ltd 

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

  ASN   No of nets  Net Savings Description
 4134      1226         979      CHINANET-BACKBONE
18566       975         967      Covad Communications 
 4755      1029         962      Videsh Sanchar Nigam Ltd. Aut
 9583       961         946      Sify Limited
 9498       871         808      BHARTI BT INTERNET LTD.
11492       803         783      Cable One 
 4323      1039         746      Time Warner Telecom
22773       716         674      Cox Communications, Inc.
19262       782         605      Verizon Global Networks 
 8151       770         552      UniNet S.A. de C.V. 
  721       856         550      DLA Systems Automation Center
17488       546         531      Hathway IP Over Cable Interne
 6197      1021         524      BellSouth Network Solutions, 
 5668       539         520      CenturyTel Internet Holdings,
19916       565         511      OLM LLC 
 7545       547         474      TPG Internet Pty Ltd
  855       539         465      Canadian Research Network 
11830       484         465      Instituto Costarricense de El
18101       474         452      Reliance Infocom Ltd Internet
15270       482         447      PaeTec.net -a division of Pae

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

Bad AS  Designation  Network              Transit AS  Description
65261   PRIVATE       86.106.133.0/24      34916       SC Digital Construct
65261   PRIVATE       86.106.135.0/24      34916       SC Digital Construct
65261   PRIVATE       89.36.152.0/23       34916       SC Digital Construct
65000   PRIVATE       203.98.210.64/27      1803       SPRINT 
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 
192.153.136.0/21       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        /8:19       /9:10      /10:13      /11:30      /12:109     
/13:217     /14:396     /15:789     /16:9049    /17:3580    /18:5789    
/19:12627   /20:14201   /21:12589   /22:16014   /23:17468   /24:108317  
/25:648     /26:460     /27:356     /28:67      /29:40      /30:80      
/31:0       /32:30      

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

  ASN   No of nets  Total ann.   Description
18566      958           975      Covad Communications 
 2386      831          1111      AT&T Data Communications Serv
 7018      816          1538      AT&T WorldNet Services
 6197      801          1021      BellSouth Network Solutions, 
 9583      789           961      Sify Limited
11492      789           803      Cable One 
23577      760           774      KRNIC
 7011      586           680      Citizens Utilities 
19916      559           565      OLM LLC 
 4766      547           738      Korea Telecom (KIX)
 9498      530           871      BHARTI BT INTERNET LTD.
 4755      458          1029      Videsh Sanchar Nigam Ltd. Aut
15270      451           482      PaeTec.net -a division of Pae
  855      435           539      Canadian Research Network 
 5668      419           539      CenturyTel Internet Holdings,
 1239      418           837      Sprint 
17849      416           430      Telecommunications Technology
18101      407           474      Reliance Infocom Ltd Internet
22773      381           716      Cox Communications, Inc.
 6517      371           398      Yipes Communications, Inc. 

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

   4:9         8:56       12:1638     13:1        15:16       16:3      
  17:3        18:4        20:39       24:836      25:1        32:58     
  38:265      40:57       41:18       44:2        47:8        52:4      
  53:1        55:1        56:3        57:26       58:258      59:317    
  60:219      61:943      62:989      63:1878     64:3142     65:2255   
  66:3099     67:658      68:650      69:1680     70:404      71:109    
  72:1012     74:109      75:30       76:44       80:855      81:694    
  82:572      83:381      84:446      85:711      86:409      87:414    
  88:241      89:538      91:51      121:64      122:24      123:3      
 124:435     125:694     128:296     129:204     130:125     131:313    
 132:35      133:9       134:175     135:49      136:173     137:113    
 138:208     139:47      140:519     141:135     142:346     143:193    
 144:250     145:43      146:319     147:140     148:365     149:180    
 150:115     151:118     152:79      153:121     154:5       155:263    
 156:150     157:162     158:152     159:173     160:97      161:87     
 162:214     163:148     164:238     165:235     166:243     167:269    
 168:485     169:124     170:380     171:11      172:1       190:282    
 192:5749    193:3572    194:2765    195:2116    196:879     198:3795   
 199:3290    200:4568    201:946     202:6902    203:7113    204:3923   
 205:2102    206:2408    207:2889    208:2428    209:3560    210:2175   
 211:868     212:1338    213:1445    214:378     215:39      216:4128   
 217:1149    218:348     219:258     220:801     221:369     222:250    


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



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