[afnog] Weekly Routing Table Report

Routing Analysis Role Account cscora at apnic.net
Fri Oct 13 18:02:37 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 14 Oct, 2006

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

BGP routing table entries examined:                              200339
    Prefixes after maximum aggregation:                          108814
    Unique aggregates announced to Internet:                      97044
Total ASes present in the Internet Routing Table:                 23359
Origin-only ASes present in the Internet Routing Table:           20346
Origin ASes announcing only one prefix:                            9795
Transit ASes present in the Internet Routing Table:                3013
Transit-only ASes present in the Internet Routing Table:             71
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:                 2
    Unregistered ASNs in the Routing Table:                           4
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:             10
Number of addresses announced to Internet:                   1615440908
    Equivalent to 96 /8s, 73 /16s and 172 /24s
    Percentage of available address space announced:               43.6
    Percentage of allocated address space announced:               60.3
    Percentage of available address space allocated:               72.3
Total number of prefixes smaller than registry allocations:      100498

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

Prefixes being announced by APNIC Region ASes:                    43873
    Total APNIC prefixes after maximum aggregation:               17556
Prefixes being announced from the APNIC address blocks:           41522
    Unique aggregates announced from the APNIC address blocks:    18483
APNIC Region origin ASes present in the Internet Routing Table:    2716
APNIC Region origin ASes announcing only one prefix:                762
APNIC Region transit ASes present in the Internet Routing Table:    405
Average APNIC Region AS path length visible:                        3.5
    Max APNIC Region AS path length visible:                         19
Number of APNIC addresses announced to Internet:              263733600
    Equivalent to 15 /8s, 184 /16s and 65 /24s
    Percentage of available APNIC address space announced:         82.5

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, 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:                    100779
    Total ARIN prefixes after maximum aggregation:                59537
Prefixes being announced from the ARIN address blocks:            73957
    Unique aggregates announced from the ARIN address blocks:     27939
ARIN Region origin ASes present in the Internet Routing Table:    11051
ARIN Region origin ASes announcing only one prefix:                4204
ARIN Region transit ASes present in the Internet Routing Table:    1030
Average ARIN Region AS path length visible:                         3.3
    Max ARIN Region AS path length visible:                          29
Number of ARIN addresses announced to Internet:               304717696
    Equivalent to 18 /8s, 41 /16s and 159 /24s
    Percentage of available ARIN address space announced:          67.3

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:                     40787
    Total RIPE prefixes after maximum aggregation:                26935
Prefixes being announced from the RIPE address blocks:            37718
    Unique aggregates announced from the RIPE address blocks:     25160
RIPE Region origin ASes present in the Internet Routing Table:     8625
RIPE Region origin ASes announcing only one prefix:                4537
RIPE Region transit ASes present in the Internet Routing Table:    1399
Average RIPE Region AS path length visible:                         3.9
    Max RIPE Region AS path length visible:                          18
Number of RIPE addresses announced to Internet:               267544356
    Equivalent to 15 /8s, 242 /16s and 103 /24s
    Percentage of available RIPE address space announced:          72.5

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:                   12550
    Total LACNIC prefixes after maximum aggregation:               3857
Prefixes being announced from the LACNIC address blocks:          10575
    Unique aggregates announced from the LACNIC address blocks:    6257
LACNIC Region origin ASes present in the Internet Routing Table:    733
LACNIC Region origin ASes announcing only one prefix:               245
LACNIC Region transit ASes present in the Internet Routing Table:   126
Average LACNIC Region AS path length visible:                       4.1
    Max LACNIC Region AS path length visible:                        19
Number of LACNIC addresses announced to Internet:              33027072
    Equivalent to 1 /8s, 247 /16s and 244 /24s
    Percentage of available LACNIC address space announced:        49.2

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:                   2348
    Total AfriNIC prefixes after maximum aggregation:               929
Prefixes being announced from the AfriNIC address blocks:          1660
    Unique aggregates announced from the AfriNIC address blocks:   1031
AfriNIC Region origin ASes present in the Internet Routing Table:   163
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:              4304384
    Equivalent to 0 /8s, 65 /16s and 174 /24s
    Percentage of available AfriNIC address space announced:       12.8

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     1245       8270         238   CHINANET-BACKBONE
 4755     1009        255          67   Videsh Sanchar Nigam Ltd. Aut
 9583      957        109          15   Sify Limited
 9498      866        212          70   BHARTI BT INTERNET LTD.
 4766      741       4436         307   Korea Telecom (KIX)
 1221      609       1780         468   Telstra Pty Ltd
 7545      542        124          74   TPG Internet Pty Ltd
17488      534         33          12   Hathway IP Over Cable Interne
17676      499      10933          63   Softbank BB Corp.
18101      462         85          20   Reliance Infocom Ltd Internet
 9443      454        111          74   Primus Telecommunications
17849      430         36         126   Telecommunications Technology
 9942      428         77         127   COMindico Australia
 4802      413         86         150   Wantree Development
 4812      411        741          63   China Telecom (Shanghai)
17974      364        129          12   PT TELEKOMUNIKASI INDONESIA
17557      363         30         177   Pakistan Telecom
 2907      335       1734         312   SINET Japan
 4837      324       3556         140   chinanet IDC center beijing n
10139      307         23           6   Meridian Telekoms

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
 7018     1523       6209         983   AT&T WorldNet Services
 2386     1167        614         743   AT&T Data Communications Serv
 4323     1030        784         294   Time Warner Telecom
 6197     1017        608         498   BellSouth Network Solutions, 
18566      967        272           8   Covad Communications 
  701      965       6742         783   UUNET Technologies, Inc. 
  721      961      21925         306   DLA Systems Automation Center
  174      958       6823         884   Cogent Communications
 1239      834       2763         588   Sprint 
11492      754         90          13   Cable One 
20115      749        673         392   Charter Communications 
19262      739       2391         179   Verizon Global Networks 
22773      718       1744          46   Cox Communications, Inc.
  209      709       3633         557   Qwest 
 7011      684        210         429   Citizens Utilities 
  852      592       1071         388   Telus Advanced Communications
19916      565         49          54   OLM LLC 
  855      547        250          74   Canadian Research Network 
 5668      538        145          18   CenturyTel Internet Holdings,
 6478      530       1280         335   AT&T Worldnet Services 

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
  702      544       1928         423   UUNET - Commercial IP service
24863      367         42          14   LINKdotNET AS number
 3301      311       1200         295   TeliaNet Sweden
 3320      300       5013         245   Deutsche Telekom AG
 8220      279        455         265   COLT Telecommunications
  680      251       2041         247   DFN-IP service G-WiN
 6746      246         91         224   Dynamic Network Technologies,
 3246      228        469         218   Song Networks
 8708      222        279         209   Romania Data Systems S.A.
 9116      220        134          23   Goldenlines main autonomous s
 3215      214       1872          93   France Telecom Transpac
 1257      212        740         168   SWIPnet Swedish IP Network
 3269      204       2277          74   TELECOM ITALIA
30890      203         18          78   SC Kappa Invexim SRL
 8551      200        182          27   Bezeq International
 6830      198        879          43   UPC Distribution Services
 5416      186         12          11   BATELCO-BH
 8866      185         37          15   Bulgarian Telecommunication C
 3300      174        171          95   AUCS Communications Services 
  786      171       1779         171   The JANET IP Service

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
 8151      633       1810         223   UniNet S.A. de C.V. 
11172      387        100          91   Servicios Alestra S.A de C.V 
16814      329         20           8   NSS, S.A. 
22047      303        206          11   VTR PUNTO NET S.A. 
11830      285        299           9   Instituto Costarricense de El
 6147      263        140          23   Telefonica Del Peru 
 6471      255         74          30   ENTEL CHILE S.A. 
14117      235         15           8   Telefonica del Sur S.A. 
 7303      208         92          27   Telecom Argentina Stet-France
10481      181         72           8   Prima S.A. 
 6503      179        168          85   AVANTEL, S.A. 
21826      144         19          31   INTERCABLE 
23216      144         19          46   RAMtelecom Telecomunicaciones
 7910      139          9          17   ANDINET ON LINE 
19169      136          9          21   Telconet 
19429      136         84          40   E.T.B. 
11556      132         96           4   Cable-Wireless Panama 
18822      129          8          10   TELEFONICA MANQUEHUE 
14522      118         18           9   SatNet S.A. 
 7738      115        410          20   Telecomunicacoes da Bahia 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      173         60           7   TEDATA
 6713      145        139          12   Itissalat Al-MAGHRIB
 2018      132        297         111   Tertiary Education Network 
15475      132         84           4   Nile Online
 5536      122          8          17   Internet Egypt Network
24835      116         48           6   RAYA Telecom - Egypt
33783      108          6           3   EEPAD TISP TELECOM & INTERNET
 2905       75        157          68   The Internetworking Company o
 2561       55          6           2   Egyptian Universities Network
15706       55         12           4   Sudatel Internet Exchange Aut
12455       38          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       28          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       23         17           2   UTL On-line is RF broadband I

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

  ASN   No of nets  Net Savings Description
 4134      1245        1007      CHINANET-BACKBONE
18566       967         959      Covad Communications 
 4755      1009         942      Videsh Sanchar Nigam Ltd. Aut
 9583       957         942      Sify Limited
 9498       866         796      BHARTI BT INTERNET LTD.
11492       754         741      Cable One 
 4323      1030         736      Time Warner Telecom
22773       718         672      Cox Communications, Inc.
  721       961         655      DLA Systems Automation Center
19262       739         560      Verizon Global Networks 
17488       534         522      Hathway IP Over Cable Interne
 5668       538         520      CenturyTel Internet Holdings,
 6197      1017         519      BellSouth Network Solutions, 
19916       565         511      OLM LLC 
  855       547         473      Canadian Research Network 
 7545       542         468      TPG Internet Pty Ltd
18101       462         442      Reliance Infocom Ltd Internet
17676       499         436      Softbank BB Corp.
15270       470         435      PaeTec.net -a division of Pae
 4766       741         434      Korea Telecom (KIX)

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

Bad AS  Designation  Network              Transit AS  Description
65534   PRIVATE       193.138.171.0/24     34238       SC OMNITECH NET SRL
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
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       /9:9       /10:13      /11:29      /12:106     
/13:214     /14:386     /15:774     /16:9045    /17:3503    /18:5721    
/19:12380   /20:14008   /21:12350   /22:15648   /23:17065   /24:107765  
/25:459     /26:406     /27:195     /28:70      /29:43      /30:94      
/31:0       /32:37      

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

  ASN   No of nets  Total ann.   Description
18566      950           967      Covad Communications 
 2386      884          1167      AT&T Data Communications Serv
 7018      806          1523      AT&T WorldNet Services
 6197      800          1017      BellSouth Network Solutions, 
 9583      788           957      Sify Limited
11492      742           754      Cable One 
 7011      591           684      Citizens Utilities 
19916      559           565      OLM LLC 
 4766      550           741      Korea Telecom (KIX)
 9498      517           866      BHARTI BT INTERNET LTD.
 4755      439          1009      Videsh Sanchar Nigam Ltd. Aut
15270      439           470      PaeTec.net -a division of Pae
  855      427           547      Canadian Research Network 
 5668      420           538      CenturyTel Internet Holdings,
17849      416           430      Telecommunications Technology
 1239      408           834      Sprint 
18101      396           462      Reliance Infocom Ltd Internet
22773      377           718      Cox Communications, Inc.
33588      371           392      Bresnan Communications, LLC. 
17488      354           534      Hathway IP Over Cable Interne

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

   4:8         6:1         8:54       12:1643     13:1        15:16     
  16:3        17:3        18:4        20:41       24:819      25:1      
  32:57       38:258      40:57       41:22       44:3        47:7      
  52:4        53:1        55:1        56:3        57:25       58:224    
  59:289      60:220      61:899      62:1046     63:1904     64:3136   
  65:2236     66:3032     67:646      68:648      69:1655     70:405    
  71:92       72:960      74:88       75:9        80:831      81:701    
  82:631      83:398      84:399      85:688      86:412      87:459    
  88:235      89:513      91:27      121:55      122:18      124:418    
 125:649     128:281     129:227     130:123     131:313     132:35     
 133:9       134:166     135:50      136:177     137:106     138:184    
 139:47      140:528     141:130     142:343     143:193     144:239    
 145:43      146:319     147:137     148:362     149:177     150:115    
 151:121     152:76      153:121     154:5       155:255     156:160    
 157:167     158:155     159:171     160:97      161:84      162:216    
 163:161     164:226     165:218     166:239     167:250     168:487    
 169:128     170:384     171:11      172:1       189:2       190:239    
 192:5761    193:3518    194:2737    195:2098    196:911     198:3891   
 199:3312    200:4490    201:969     202:6946    203:7146    204:3925   
 205:2125    206:2428    207:2960    208:2291    209:3507    210:2189   
 211:845     212:1343    213:1506    214:377     215:39      216:4058   
 217:1146    218:344     219:258     220:796     221:383     222:233    


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



More information about the afnog mailing list