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[bgp-stats] Routing Table Report - Japan view



Routing Table Report   04:00 +10GMT Tue 08 Aug, 2006

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

BGP routing table entries examined:                              194348
    Prefixes after maximum aggregation:                          106877
    Unique aggregates announced to Internet:                      94976
Total ASes present in the Internet Routing Table:                 22824
Origin-only ASes present in the Internet Routing Table:           19869
Origin ASes announcing only one prefix:                            9508
Transit ASes present in the Internet Routing Table:                2955
Transit-only ASes present in the Internet Routing Table:             67
Average AS path length visible in the Internet Routing Table:       3.5
    Max AS path length visible:                                      24
    Max AS path prepend of ASN (24076)                               20
Prefixes from unregistered ASNs in the Routing Table:                21
    Unregistered ASNs in the Routing Table:                           2
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:              9
Number of addresses announced to Internet:                   1562074540
    Equivalent to 93 /8s, 27 /16s and 93 /24s
    Percentage of available address space announced:               42.1
    Percentage of allocated address space announced:               61.0
    Percentage of available address space allocated:               69.1
Total number of prefixes smaller than registry allocations:       96533

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

Prefixes being announced by APNIC Region ASes:                    42426
    Total APNIC prefixes after maximum aggregation:               17497
Prefixes being announced from the APNIC address blocks:           40115
    Unique aggregates announced from the APNIC address blocks:    18671
APNIC Region origin ASes present in the Internet Routing Table:    2663
APNIC Region origin ASes announcing only one prefix:                752
APNIC Region transit ASes present in the Internet Routing Table:    396
Average APNIC Region AS path length visible:                        3.5
    Max APNIC Region AS path length visible:                         24
Number of APNIC addresses announced to Internet:              244485472
    Equivalent to 14 /8s, 146 /16s and 141 /24s
    Percentage of available APNIC address space announced:         76.4

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:                     98516
    Total ARIN prefixes after maximum aggregation:                58599
Prefixes being announced from the ARIN address blocks:            72226
    Unique aggregates announced from the ARIN address blocks:     27284
ARIN Region origin ASes present in the Internet Routing Table:    10871
ARIN Region origin ASes announcing only one prefix:                4095
ARIN Region transit ASes present in the Internet Routing Table:    1012
Average ARIN Region AS path length visible:                         3.3
    Max ARIN Region AS path length visible:                          18
Number of ARIN addresses announced to Internet:               298994432
    Equivalent to 17 /8s, 210 /16s and 75 /24s
    Percentage of available ARIN address space announced:          77.5

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, 199/8, 204/6,
                       208/7 and 216/8

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes:                     39039
    Total RIPE prefixes after maximum aggregation:                26141
Prefixes being announced from the RIPE address blocks:            35998
    Unique aggregates announced from the RIPE address blocks:     24269
RIPE Region origin ASes present in the Internet Routing Table:     8351
RIPE Region origin ASes announcing only one prefix:                4382
RIPE Region transit ASes present in the Internet Routing Table:    1364
Average RIPE Region AS path length visible:                         3.9
    Max RIPE Region AS path length visible:                          18
Number of RIPE addresses announced to Internet:               261293124
    Equivalent to 15 /8s, 147 /16s and 4 /24s
    Percentage of available RIPE address space announced:          82.0

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, 80/5, 88/6, 193/8, 194/7, 212/7
                       and 217/8

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

Prefixes being announced by LACNIC Region ASes:                   12145
    Total LACNIC prefixes after maximum aggregation:               3732
Prefixes being announced from the LACNIC address blocks:          10216
    Unique aggregates announced from the LACNIC address blocks:    5862
LACNIC Region origin ASes present in the Internet Routing Table:    714
LACNIC Region origin ASes announcing only one prefix:               237
LACNIC Region transit ASes present in the Internet Routing Table:   131
Average LACNIC Region AS path length visible:                       4.1
    Max LACNIC Region AS path length visible:                        24
Number of LACNIC addresses announced to Internet:              31813120
    Equivalent to 1 /8s, 229 /16s and 110 /24s
    Percentage of available LACNIC address space announced:        47.4

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:                   2201
    Total AfriNIC prefixes after maximum aggregation:               908
Prefixes being announced from the AfriNIC address blocks:          1521
    Unique aggregates announced from the AfriNIC address blocks:    938
AfriNIC Region origin ASes present in the Internet Routing Table:   158
AfriNIC Region origin ASes announcing only one prefix:               42
AfriNIC Region transit ASes present in the Internet Routing Table:   24
Average AfriNIC Region AS path length visible:                      3.5
    Max AfriNIC Region AS path length visible:                       13
Number of AfriNIC addresses announced to Internet:              4165376
    Equivalent to 0 /8s, 63 /16s and 143 /24s
    Percentage of available AfriNIC address space announced:       12.4

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     1289       7914         239   CHINANET-BACKBONE
 4755      964        255          68   Videsh Sanchar Nigam Ltd. Aut
 9583      937        109          15   Sify Limited
 9498      763        211          70   BHARTI BT INTERNET LTD.
 4766      702       4435         303   Korea Telecom (KIX)
 1221      608       1779         466   Telstra Pty Ltd
 7545      552        124          72   TPG Internet Pty Ltd
17488      522         32          18   Hathway IP Over Cable Interne
17676      490       7093         110   Softbank BB Corp.
 9443      449        111          83   Primus Telecommunications
18101      434         85          22   Reliance Infocom Ltd Internet
 4812      415        740          61   China Telecom (Shanghai)
17849      410         30         122   Telecommunications Technology
17557      380         30         177   Pakistan Telecom
 4802      378         81         167   Wantree Development
17974      368        129          14   PT TELEKOMUNIKASI INDONESIA
 2907      336       1733         311   SINET Japan
 4837      304       3463         130   chinanet IDC center beijing n
 7474      294        211         228   SingTel Optus Pty Ltd
 9800      272        409          54   CHINA UNICOM

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
 7018     1498       6259         964   AT&T WorldNet Services
 6197     1016        635         477   BellSouth Network Solutions, 
  721     1003      21926         310   DLA Systems Automation Center
 4323      965        747         275   Time Warner Telecom
  701      960       6770         786   UUNET Technologies, Inc. 
18566      953        272           8   Covad Communications 
  174      936       5769         885   Cogent Communications
 2386      919        559         707   AT&T Data Communications Serv
 1239      855       2783         605   Sprint 
19262      729       2228         187   Verizon Global Networks 
20115      729        651         379   Charter Communications 
11492      722         89          15   Cable One 
  209      693       3660         541   Qwest 
22773      682       1741          41   Cox Communications, Inc.
 7011      669        222         426   Citizens Utilities 
 6198      598        556         237   BellSouth Network Solutions, 
  852      581       1068         381   Telus Advanced Communications
  855      567        247          74   Canadian Research Network 
19916      563         49          54   OLM LLC 
 5668      537        146          40   CenturyTel Internet Holdings,

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
  702      562       1948         442   UUNET - Commercial IP service
 3301      315       1186         300   TeliaNet Sweden
 3320      294       5013         238   Deutsche Telekom AG
 8220      280        471         266   COLT Telecommunications
  680      246       2041         243   DFN-IP service G-WiN
 6746      242         91         220   Dynamic Network Technologies,
24863      241         42          11   LINKdotNET AS number
 3246      230        462         220   Song Networks
 8708      215        278         203   Romania Data Systems S.A.
 3215      204       1760          97   France Telecom Transpac
 3269      203       2246          73   TELECOM ITALIA
 8551      202        182          27   Bezeq International
30890      202         19          85   SC Kappa Invexim SRL
 1257      195        742         167   SWIPnet Swedish IP Network
 8866      188         37          15   Bulgarian Telecommunication C
 5416      179         12          11   BATELCO-BH
 6830      177        813          37   UPC Distribution Services
  786      171       1778         171   The JANET IP Service
 3300      171        171          98   AUCS Communications Services 
 9121      167        931          31   TTnet Autonomous System

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
 8151      789       1811         227   UniNet S.A. de C.V. 
22047      433        206          11   VTR PUNTO NET S.A. 
11172      360        113          86   Servicios Alestra S.A de C.V 
16814      329         20           8   NSS, S.A. 
 6147      273        134          22   Telefonica Del Peru 
 6471      254         74          30   ENTEL CHILE S.A. 
14117      217         13           7   Telefonica del Sur S.A. 
 6503      183        151          83   AVANTEL, S.A. 
 7303      182         85          29   Telecom Argentina Stet-France
10481      181         72           8   Prima S.A. 
21826      134         17          23   INTERCABLE 
11556      132         80           4   Cable-Wireless Panama 
19429      131         84          45   E.T.B. 
18822      129          8          10   TELEFONICA MANQUEHUE 
19169      128          8          25   Telconet 
 7910      125          8          22   ANDINET ON LINE 
14522      121         18           9   SatNet S.A. 
14259      119         10          15   GTD Internet S.A. 
23216      113         21           9   RAMtelecom Telecomunicaciones
 7738      111        410          20   Telecomunicacoes da Bahia S.A

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
 3741      284        803         231   The Internet Solution 
 8452      170         60           7   TEDATA
 6713      144        135          11   Itissalat Al-MAGHRIB
15475      139         84           4   Nile Online
 2018      134        298         111   Tertiary Education Network 
 5536      121          8          18   Internet Egypt Network
24835      116         48           6   RAYA Telecom - Egypt
33783      106          6           2   EEPAD TISP TELECOM & INTERNET
 2905       78        159          69   The Internetworking Company o
 5713       38        294          34   Telkom SA Ltd 
33774       31          7          21   AS Number for Telecom Algeria
23889       24          8          11   MAURITIUS TELECOM
10798       23          1          14   Standard Bank of South Africa
16637       23         18          21   Johnnic e-Ventures 
 8524       22          1           5   AUCEGYPT Autonomous System
21280       21          4           4   Swift Global Kenya Ltd.Is an 
33766       21          2           1   Nyala Communications Pty Ltd 
21491       20         17           2   UTL On-line is RF broadband I
 2561       19          6           2   Egyptian Universities Network
 8346       19         18          17   SONATEL-AS Autonomous System

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

  ASN   No of nets  Net Savings Description
 4134      1289        1050      CHINANET-BACKBONE
18566       953         945      Covad Communications 
 9583       937         922      Sify Limited
 4755       964         896      Videsh Sanchar Nigam Ltd. Aut
11492       722         707      Cable One 
  721      1003         693      DLA Systems Automation Center
 9498       763         693      BHARTI BT INTERNET LTD.
 4323       965         690      Time Warner Telecom
22773       682         641      Cox Communications, Inc.
 8151       789         562      UniNet S.A. de C.V. 
19262       729         542      Verizon Global Networks 
 6197      1016         539      BellSouth Network Solutions, 
19916       563         509      OLM LLC 
17488       522         504      Hathway IP Over Cable Interne
 5668       537         497      CenturyTel Internet Holdings,
  855       567         493      Canadian Research Network 
 7545       552         480      TPG Internet Pty Ltd
15270       455         422      PaeTec.net -a division of Pae
22047       433         422      VTR PUNTO NET S.A. 
 3602       526         421      Sprint Canada, Inc. 

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

Bad AS  Designation  Network              Transit AS  Description
65350   PRIVATE       124.236.240.0/20     17672       asn for Hebei Provin
24409   UNALLOCATED   203.119.29.0/24       9808       Guangdong Mobile Com
65350   PRIVATE       219.148.0.0/22       17672       asn for Hebei Provin
65350   PRIVATE       219.148.4.0/23       17672       asn for Hebei Provin
65350   PRIVATE       219.148.8.0/21       17672       asn for Hebei Provin
65350   PRIVATE       219.148.24.0/21      17672       asn for Hebei Provin
65350   PRIVATE       219.148.32.0/19      17672       asn for Hebei Provin
65350   PRIVATE       222.222.0.0/21       17672       asn for Hebei Provin
65350   PRIVATE       222.222.8.0/21       17672       asn for Hebei Provin
65350   PRIVATE       222.222.16.0/20      17672       asn for Hebei Provin
65350   PRIVATE       222.222.32.0/20      17672       asn for Hebei Provin
65350   PRIVATE       222.222.48.0/20      17672       asn for Hebei Provin
65350   PRIVATE       222.222.208.0/21     17672       asn for Hebei Provin
65350   PRIVATE       222.222.216.0/21     17672       asn for Hebei Provin
65350   PRIVATE       222.223.187.0/24     17672       asn for Hebei Provin
65350   PRIVATE       222.223.188.0/22     17672       asn for Hebei Provin
65350   PRIVATE       222.223.192.0/22     17672       asn for Hebei Provin
65350   PRIVATE       222.223.196.0/23     17672       asn for Hebei Provin
65350   PRIVATE       222.223.200.0/22     17672       asn for Hebei Provin
65350   PRIVATE       222.223.206.0/23     17672       asn for Hebei Provin
65350   PRIVATE       222.223.224.0/19     17672       asn for Hebei Provin

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 
192.84.205.0/24        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        /8:17       /9:9       /10:11      /11:28      /12:97      
/13:205     /14:375     /15:732     /16:8949    /17:3404    /18:5540    
/19:12030   /20:13595   /21:11909   /22:15043   /23:16271   /24:105031  
/25:379     /26:297     /27:195     /28:65      /29:39      /30:81      
/31:0       /32:46      

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

  ASN   No of nets  Total ann.   Description
18566      936           953      Covad Communications 
 6197      796          1016      BellSouth Network Solutions, 
 7018      795          1498      AT&T WorldNet Services
 9583      770           937      Sify Limited
11492      710           722      Cable One 
 2386      637           919      AT&T Data Communications Serv
 7011      575           669      Citizens Utilities 
19916      557           563      OLM LLC 
 4766      513           702      Korea Telecom (KIX)
 9498      445           763      BHARTI BT INTERNET LTD.
 6198      442           598      BellSouth Network Solutions, 
  855      441           567      Canadian Research Network 
15270      424           455      PaeTec.net -a division of Pae
 5668      421           537      CenturyTel Internet Holdings,
 1239      403           855      Sprint 
 4755      399           964      Videsh Sanchar Nigam Ltd. Aut
17849      397           410      Telecommunications Technology
 6517      381           414      Yipes Communications, Inc. 
18101      370           434      Reliance Infocom Ltd Internet
22773      360           682      Cox Communications, Inc.

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

   4:9         8:50       12:1605     13:1        15:15       16:3      
  17:3        18:4        20:41       24:807      25:1        32:61     
  38:240      40:52       41:10       44:3        45:9        47:6      
  52:4        55:1        56:3        57:26       58:206      59:246    
  60:193      61:918      62:834      63:1889     64:3092     65:2265   
  66:2979     67:628      68:678      69:1570     70:396      71:87     
  72:874      74:65       75:5        80:753      81:672      82:641    
  83:411      84:395      85:573      86:401      87:459      88:143    
  89:386      91:1       121:13      122:3       123:1       124:347    
 125:580     128:150     129:188     130:118     131:318     132:34     
 133:8       134:160     135:49      136:178     137:85      138:213    
 139:48      140:489     141:136     142:373     143:188     144:241    
 145:40      146:319     147:140     148:354     149:188     150:113    
 151:97      152:71      153:117     154:5       155:213     156:179    
 157:169     158:167     159:172     160:94      161:83      162:246    
 163:164     164:236     165:222     166:182     167:242     168:486    
 169:125     170:354     171:14      190:113     192:5738    193:3402   
 194:2695    195:2014    196:858     198:3899    199:3296    200:4645   
 201:1044    202:6785    203:7034    204:3905    205:2028    206:2425   
 207:2927    208:2207    209:3439    210:2167    211:832     212:1240   
 213:1435    214:362     215:41      216:4015    217:1158    218:322    
 219:238     220:743     221:373     222:225    

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