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[bgp-stats] Routing Table Report - Japan view



Routing Table Report   04:00 +10GMT Wed 27 Dec, 2006

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

BGP routing table entries examined:                              207004
    Prefixes after maximum aggregation:                          112186
    Unique aggregates announced to Internet:                     100581
Total ASes present in the Internet Routing Table:                 24003
Origin-only ASes present in the Internet Routing Table:           20921
Origin ASes announcing only one prefix:                           10092
Transit ASes present in the Internet Routing Table:                3082
Transit-only ASes present in the Internet Routing Table:             77
Average AS path length visible in the Internet Routing Table:       3.6
    Max AS path length visible:                                      32
    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:                    0
Prefixes being announced from unallocated address space:              9
Number of addresses announced to Internet:                   1647703212
    Equivalent to 98 /8s, 53 /16s and 244 /24s
    Percentage of available address space announced:               44.5
    Percentage of allocated address space announced:               63.1
    Percentage of available address space allocated:               70.5
Total number of prefixes smaller than registry allocations:      105722

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

Prefixes being announced by APNIC Region ASes:                    45722
    Total APNIC prefixes after maximum aggregation:               18664
Prefixes being announced from the APNIC address blocks:           43291
    Unique aggregates announced from the APNIC address blocks:    19079
APNIC Region origin ASes present in the Internet Routing Table:    2806
APNIC Region origin ASes announcing only one prefix:                793
APNIC Region transit ASes present in the Internet Routing Table:    424
Average APNIC Region AS path length visible:                        3.7
    Max APNIC Region AS path length visible:                         16
Number of APNIC addresses announced to Internet:              272840544
    Equivalent to 16 /8s, 67 /16s and 55 /24s
    Percentage of available APNIC address space announced:         85.3

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:                    101996
    Total ARIN prefixes after maximum aggregation:                60440
Prefixes being announced from the ARIN address blocks:            75228
    Unique aggregates announced from the ARIN address blocks:     28668
ARIN Region origin ASes present in the Internet Routing Table:    11241
ARIN Region origin ASes announcing only one prefix:                4286
ARIN Region transit ASes present in the Internet Routing Table:    1022
Average ARIN Region AS path length visible:                         3.4
    Max ARIN Region AS path length visible:                          29
Number of ARIN addresses announced to Internet:               311216256
    Equivalent to 18 /8s, 140 /16s and 200 /24s
    Percentage of available ARIN address space announced:          68.7

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:                     42707
    Total RIPE prefixes after maximum aggregation:                28002
Prefixes being announced from the RIPE address blocks:            39514
    Unique aggregates announced from the RIPE address blocks:     26419
RIPE Region origin ASes present in the Internet Routing Table:     8959
RIPE Region origin ASes announcing only one prefix:                4714
RIPE Region transit ASes present in the Internet Routing Table:    1443
Average RIPE Region AS path length visible:                         4.0
    Max RIPE Region AS path length visible:                          32
Number of RIPE addresses announced to Internet:               281940612
    Equivalent to 16 /8s, 206 /16s and 18 /24s
    Percentage of available RIPE address space announced:          76.4

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
                       40960-43007
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:                   14055
    Total LACNIC prefixes after maximum aggregation:               4136
Prefixes being announced from the LACNIC address blocks:          12116
    Unique aggregates announced from the LACNIC address blocks:    6926
LACNIC Region origin ASes present in the Internet Routing Table:    751
LACNIC Region origin ASes announcing only one prefix:               248
LACNIC Region transit ASes present in the Internet Routing Table:   131
Average LACNIC Region AS path length visible:                       4.5
    Max LACNIC Region AS path length visible:                        20
Number of LACNIC addresses announced to Internet:              35425792
    Equivalent to 2 /8s, 28 /16s and 142 /24s
    Percentage of available LACNIC address space announced:        52.8

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:                   2522
    Total AfriNIC prefixes after maximum aggregation:               944
Prefixes being announced from the AfriNIC address blocks:          1773
    Unique aggregates announced from the AfriNIC address blocks:   1127
AfriNIC Region origin ASes present in the Internet Routing Table:   169
AfriNIC Region origin ASes announcing only one prefix:               51
AfriNIC Region transit ASes present in the Internet Routing Table:   30
Average AfriNIC Region AS path length visible:                      3.6
    Max AfriNIC Region AS path length visible:                       15
Number of AfriNIC addresses announced to Internet:              5324544
    Equivalent to 0 /8s, 81 /16s and 63 /24s
    Percentage of available AfriNIC address space announced:       15.9

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     1252       8624         259   CHINANET-BACKBONE
 9583     1044         98          65   Sify Limited
 4755      999        383          64   Videsh Sanchar Nigam Ltd. Aut
 9498      895        211          64   BHARTI BT INTERNET LTD.
23577      770         34         699   KRNIC
 4766      752       4946         307   Korea Telecom (KIX)
 1221      575       1714         445   Telstra Pty Ltd
17488      565         35          21   Hathway IP Over Cable Interne
 7545      553        126          73   TPG Internet Pty Ltd
17676      503      10935          66   Softbank BB Corp.
18101      492         87          22   Reliance Infocom Ltd Internet
 9443      442        111          74   Primus Telecommunications
 9942      439         81         132   COMindico Australia
 4812      437        758          69   China Telecom (Shanghai)
17849      411         36         126   Telecommunications Technology
 4802      405         86         146   Wantree Development
17557      365         35         173   Pakistan Telecom
17974      363        129          12   PT TELEKOMUNIKASI INDONESIA
 2907      332       1749         309   SINET Japan
 4837      331       3911         147   chinanet IDC center beijing n

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
 7018     1538       6157         999   AT&T WorldNet Services
 2386     1110        586         734   AT&T Data Communications Serv
 4323     1058        820         299   Time Warner Telecom
 6197     1018        636         501   BellSouth Network Solutions, 
18566      983        272           8   Covad Communications 
  174      965       6809         877   Cogent Communications
  701      934       6691         758   UUNET Technologies, Inc. 
11492      863         98          13   Cable One 
 1239      828       2714         578   Sprint 
19262      788       2496         181   Verizon Global Networks 
  721      779      21885         292   DLA Systems Automation Center
20115      768        667         407   Charter Communications 
  209      713       3763         563   Qwest 
22773      710       1744          40   Cox Communications, Inc.
 7011      686        211         431   Citizens Utilities 
  852      603       1092         391   Telus Advanced Communications
19916      567         48          57   OLM LLC 
 6198      549        535         257   BellSouth Network Solutions, 
 5668      546        161          19   CenturyTel Internet Holdings,
  855      538        250          73   Canadian Research Network 

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
  702      546       1912         425   UUNET - Commercial IP service
 3301      310       1199         292   TeliaNet Sweden
 3320      297       4993         245   Deutsche Telekom AG
24863      294         44          26   LINKdotNET AS number
 8220      273        474         264   COLT Telecommunications
 6746      264         93         242   Dynamic Network Technologies,
  680      253       2041         248   DFN-IP service G-WiN
 9116      233        134          23   Goldenlines main autonomous s
 8708      231        282         218   Romania Data Systems S.A.
 3215      230       2104          96   France Telecom Transpac
 1257      214       1069         171   SWIPnet Swedish IP Network
 3269      210       2373          73   TELECOM ITALIA
30890      208         19          90   SC Kappa Invexim SRL
 5416      206         13           9   BATELCO-BH
 3246      202        353         192   Song Networks
 8551      198        197          24   Bezeq International
 3300      179        171          96   AUCS Communications Services 
 3352      175       1767          31   Ibernet, Internet Access Netw
12479      175        578           6   Uni2 Autonomous System
  786      172       1795         172   The JANET IP Service

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
11830     1183        280         157   Instituto Costarricense de El
 8151      781       1937         204   UniNet S.A. de C.V. 
11172      385        104          74   Servicios Alestra S.A de C.V 
16814      329         20           8   NSS, S.A. 
22047      307        206          11   VTR PUNTO NET S.A. 
14117      258         16          13   Telefonica del Sur S.A. 
 6471      257         74          31   ENTEL CHILE S.A. 
 7303      224        101          38   Telecom Argentina Stet-France
 6503      217        170          94   AVANTEL, S.A. 
 6147      216        150          20   Telefonica Del Peru 
11556      204        101           6   Cable-Wireless Panama 
10481      181         72           8   Prima S.A. 
21826      156         20          35   INTERCABLE 
23216      146         19          43   RAMtelecom Telecomunicaciones
 7910      144         10          31   ANDINET ON LINE 
19169      139          9          22   Telconet 
19429      138         84          34   E.T.B. 
18822      129          8          10   TELEFONICA MANQUEHUE 
14522      128         20           9   SatNet S.A. 
 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      289        868         231   The Internet Solution 
 8452      230         60           7   TEDATA
15475      147         84           4   Nile Online
 6713      144        135          11   Itissalat Al-MAGHRIB
 2018      136        297         111   Tertiary Education Network 
 5536      124          8          11   Internet Egypt Network
24835      116         48           6   RAYA Telecom - Egypt
33783      109          6           4   EEPAD TISP TELECOM & INTERNET
 2905       84        175          73   The Internetworking Company o
 2561       60          6           2   Egyptian Universities Network
15706       55         12           4   Sudatel Internet Exchange Aut
23889       52         13          15   MAURITIUS TELECOM
 5713       41        294          34   Telkom SA Ltd 
12455       39          6           3   Jambonet Autonomous system
33774       38         12          22   AS Number for Telecom Algeria
16637       33         21          25   Johnnic e-Ventures 
 8524       30          2           6   AUCEGYPT Autonomous System
15804       27          2           1   AS of The Way Out Internet So
33776       25          2           9   Starcomms Nigeria Limited
10798       23          1          14   Standard Bank of South Africa

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

  ASN   No of nets  Net Savings Description
11830      1183        1026      Instituto Costarricense de El
 4134      1252         993      CHINANET-BACKBONE
 9583      1044         979      Sify Limited
18566       983         975      Covad Communications 
 4755       999         935      Videsh Sanchar Nigam Ltd. Aut
11492       863         850      Cable One 
 9498       895         831      BHARTI BT INTERNET LTD.
 4323      1058         759      Time Warner Telecom
22773       710         670      Cox Communications, Inc.
19262       788         607      Verizon Global Networks 
 8151       781         577      UniNet S.A. de C.V. 
17488       565         544      Hathway IP Over Cable Interne
 5668       546         527      CenturyTel Internet Holdings,
 6197      1018         517      BellSouth Network Solutions, 
19916       567         510      OLM LLC 
  721       779         487      DLA Systems Automation Center
 7545       553         480      TPG Internet Pty Ltd
18101       492         470      Reliance Infocom Ltd Internet
  855       538         465      Canadian Research Network 
15270       494         460      PaeTec.net -a division of Pae

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

Bad AS  Designation  Network              Transit AS  Description
65124   PRIVATE       193.110.52.0/24      24652       Juniper Networks, Eu
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
192.0.10.0/24         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 
192.172.0.0/19         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      /12:113     
/13:228     /14:406     /15:799     /16:9087    /17:3631    /18:5899    
/19:12782   /20:14456   /21:12859   /22:16390   /23:17871   /24:110747  
/25:630     /26:457     /27:355     /28:70      /29:43      /30:86      
/31:0       /32:23      

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

  ASN   No of nets  Total ann.   Description
11830     1064          1183      Instituto Costarricense de El
18566      966           983      Covad Communications 
 9583      872          1044      Sify Limited
11492      849           863      Cable One 
 7018      831          1538      AT&T WorldNet Services
 2386      828          1110      AT&T Data Communications Serv
 6197      794          1018      BellSouth Network Solutions, 
23577      756           770      KRNIC
 7011      591           686      Citizens Utilities 
19916      562           567      OLM LLC 
 4766      561           752      Korea Telecom (KIX)
 9498      558           895      BHARTI BT INTERNET LTD.
15270      464           494      PaeTec.net -a division of Pae
 4755      459           999      Videsh Sanchar Nigam Ltd. Aut
  855      435           538      Canadian Research Network 
18101      427           492      Reliance Infocom Ltd Internet
 5668      419           546      CenturyTel Internet Holdings,
 1239      411           828      Sprint 
17849      397           411      Telecommunications Technology
33588      396           418      Bresnan Communications, LLC. 

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

   4:9         8:61        9:1        12:1653     13:1        15:15     
  16:3        17:3        18:5        20:34       24:854      25:1      
  32:55       38:274      40:57       41:55       44:2        47:9      
  52:4        53:1        55:1        56:3        57:27       58:265    
  59:350      60:224      61:965      62:1057     63:1900     64:3171   
  65:2293     66:3103     67:697      68:656      69:1700     70:403    
  71:114      72:1104     74:120      75:49       76:16       80:818    
  81:758      82:640      83:396      84:453      85:770      86:403    
  87:457      88:259      89:715      90:1        91:108      97:1      
 121:111     122:46      123:7       124:509     125:731     128:304    
 129:219     130:131     131:314     132:49      133:9       134:177    
 135:43      136:180     137:113     138:189     139:51      140:527    
 141:134     142:347     143:212     144:262     145:67      146:320    
 147:141     148:367     149:171     150:111     151:118     152:89     
 153:118     154:5       155:247     156:149     157:152     158:166    
 159:140     160:99      161:82      162:223     163:160     164:239    
 165:235     166:243     167:283     168:481     169:123     170:377    
 171:12      172:1       189:29      190:308     192:5721    193:3623   
 194:2875    195:2174    196:932     198:3767    199:3262    200:4561   
 201:1645    202:7010    203:7186    204:3963    205:2092    206:2428   
 207:2911    208:2370    209:3582    210:2240    211:881     212:1316   
 213:1442    214:385     215:39      216:4099    217:1157    218:336    
 219:255     220:831     221:380     222:269    

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