APNIC Home APNIC Home
Info & FAQ |  Resource services |  Training |  Meetings |  Membership |  Documents |  Whois & Search |  Internet community

You're here:  Home  Mailing Lists bgp-stats 


[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

[bgp-stats] Routing Table Report - Japan view



Routing Table Report   04:00 +10GMT Fri 07 Jul, 2006

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

BGP routing table entries examined:                              191830
    Prefixes after maximum aggregation:                          105493
    Unique aggregates announced to Internet:                      93700
Total ASes present in the Internet Routing Table:                 22604
Origin-only ASes present in the Internet Routing Table:           19675
Origin ASes announcing only one prefix:                            9446
Transit ASes present in the Internet Routing Table:                2929
Transit-only ASes present in the Internet Routing Table:             64
Average AS path length visible in the Internet Routing Table:       3.5
    Max AS path length visible:                                      24
    Max AS path prepend of ASN (32609)                               16
Prefixes from unregistered ASNs in the Routing Table:                 2
    Unregistered ASNs in the Routing Table:                           2
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:              9
Number of addresses announced to Internet:                   1540454568
    Equivalent to 91 /8s, 209 /16s and 120 /24s
    Percentage of available address space announced:               41.6
    Percentage of allocated address space announced:               60.1
    Percentage of available address space allocated:               69.1
Total number of prefixes smaller than registry allocations:       94971

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

Prefixes being announced by APNIC Region ASes:                    41561
    Total APNIC prefixes after maximum aggregation:               16991
Prefixes being announced from the APNIC address blocks:           39202
    Unique aggregates announced from the APNIC address blocks:    18409
APNIC Region origin ASes present in the Internet Routing Table:    2620
APNIC Region origin ASes announcing only one prefix:                743
APNIC Region transit ASes present in the Internet Routing Table:    398
Average APNIC Region AS path length visible:                        3.5
    Max APNIC Region AS path length visible:                         18
Number of APNIC addresses announced to Internet:              235908960
    Equivalent to 14 /8s, 15 /16s and 175 /24s
    Percentage of available APNIC address space announced:         73.8

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:                     97761
    Total ARIN prefixes after maximum aggregation:                58115
Prefixes being announced from the ARIN address blocks:            71599
    Unique aggregates announced from the ARIN address blocks:     27031
ARIN Region origin ASes present in the Internet Routing Table:    10818
ARIN Region origin ASes announcing only one prefix:                4087
ARIN Region transit ASes present in the Internet Routing Table:     987
Average ARIN Region AS path length visible:                         3.3
    Max ARIN Region AS path length visible:                          18
Number of ARIN addresses announced to Internet:               295166976
    Equivalent to 17 /8s, 151 /16s and 228 /24s
    Percentage of available ARIN address space announced:          76.5

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:                     38446
    Total RIPE prefixes after maximum aggregation:                25749
Prefixes being announced from the RIPE address blocks:            35495
    Unique aggregates announced from the RIPE address blocks:     23915
RIPE Region origin ASes present in the Internet Routing Table:     8239
RIPE Region origin ASes announcing only one prefix:                4332
RIPE Region transit ASes present in the Internet Routing Table:    1353
Average RIPE Region AS path length visible:                         4.0
    Max RIPE Region AS path length visible:                          18
Number of RIPE addresses announced to Internet:               255402564
    Equivalent to 15 /8s, 57 /16s and 34 /24s
    Percentage of available RIPE address space announced:          80.1

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

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

Prefixes being announced by LACNIC Region ASes:                   11768
    Total LACNIC prefixes after maximum aggregation:               3741
Prefixes being announced from the LACNIC address blocks:           9889
    Unique aggregates announced from the LACNIC address blocks:    5630
LACNIC Region origin ASes present in the Internet Routing Table:    707
LACNIC Region origin ASes announcing only one prefix:               240
LACNIC Region transit ASes present in the Internet Routing Table:   132
Average LACNIC Region AS path length visible:                       4.1
    Max LACNIC Region AS path length visible:                        24
Number of LACNIC addresses announced to Internet:              28360448
    Equivalent to 1 /8s, 176 /16s and 191 /24s
    Percentage of available LACNIC address space announced:        42.3

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:                   2292
    Total AfriNIC prefixes after maximum aggregation:               897
Prefixes being announced from the AfriNIC address blocks:          1547
    Unique aggregates announced from the AfriNIC address blocks:    950
AfriNIC Region origin ASes present in the Internet Routing Table:   156
AfriNIC Region origin ASes announcing only one prefix:               44
AfriNIC Region transit ASes present in the Internet Routing Table:   26
Average AfriNIC Region AS path length visible:                      3.5
    Max AfriNIC Region AS path length visible:                       11
Number of AfriNIC addresses announced to Internet:              4174336
    Equivalent to 0 /8s, 63 /16s and 178 /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     1245       7478         229   CHINANET-BACKBONE
 4755      947        258          75   Videsh Sanchar Nigam Ltd. Aut
 9583      920        109          15   Sify Limited
 9498      712        211          67   BHARTI BT INTERNET LTD.
 4766      689       4435         303   Korea Telecom (KIX)
 1221      610       1668         468   Telstra Pty Ltd
 7545      547        124          72   TPG Internet Pty Ltd
17488      519         32          17   Hathway IP Over Cable Interne
17676      490       7093         110   Softbank BB Corp.
 9443      452        111          83   Primus Telecommunications
18101      422         85          24   Reliance Infocom Ltd Internet
17974      405        129          14   PT TELEKOMUNIKASI INDONESIA
17849      388         28         122   Telecommunications Technology
17557      382         30         172   Pakistan Telecom
 4802      381         81         168   Wantree Development
 2907      335       1733         311   SINET Japan
 9929      330        255          61   China Netcom Corp.
 7474      299        211         229   SingTel Optus Pty Ltd
 4837      280       3085         123   chinanet IDC center beijing n
10139      278         19           5   Meridian Telekoms

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
 7018     1484       6262         946   AT&T WorldNet Services
 4323     1332        747         266   Time Warner Telecom
  721     1026      21998         315   DLA Systems Automation Center
 6197     1013        636         481   BellSouth Network Solutions, 
  174      961       5771         894   Cogent Communications
  701      947       6754         780   UUNET Technologies, Inc. 
18566      945        272           8   Covad Communications 
 2386      918        561         710   AT&T Data Communications Serv
 1239      843       2776         599   Sprint 
19262      723       2188         191   Verizon Global Networks 
20115      714        620         382   Charter Communications 
  209      697       3681         550   Qwest 
22773      674       1741          40   Cox Communications, Inc.
11492      654         89          10   Cable One 
 7011      651        218         413   Citizens Utilities 
 6198      599        568         236   BellSouth Network Solutions, 
  852      582       1084         382   Telus Advanced Communications
  855      573        247          74   Canadian Research Network 
19916      563         49          54   OLM LLC 
 5668      529        147          23   CenturyTel Internet Holdings,

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
  702      564       1930         444   UUNET - Commercial IP service
 3301      316       1187         301   TeliaNet Sweden
 3352      305       1643          30   Ibernet, Internet Access Netw
 8220      280        471         266   COLT Telecommunications
 3320      279       3988         235   Deutsche Telekom AG
  680      246       2041         243   DFN-IP service G-WiN
 6746      233         89         208   Dynamic Network Technologies,
 3246      230        463         220   Song Networks
24863      216         42          11   LINKdotNET AS number
 8708      215        276         204   Romania Data Systems S.A.
 8551      209        198          29   Bezeq International
30890      203         18          79   SC Kappa Invexim SRL
 3215      202       1728          96   France Telecom Transpac
 3269      202       2184          73   TELECOM ITALIA
 1257      194        741         166   SWIPnet Swedish IP Network
 8866      187         37          15   Bulgarian Telecommunication C
 6830      175        813          37   UPC Distribution Services
  786      169       1778         169   The JANET IP Service
 3300      169        171          98   AUCS Communications Services 
12479      160        322           5   Uni2 Autonomous System

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
 8151      694       1159         222   UniNet S.A. de C.V. 
22047      432        206          11   VTR PUNTO NET S.A. 
11172      356        113          86   Servicios Alestra S.A de C.V 
16814      329         20           8   NSS, S.A. 
 6147      267        134          22   Telefonica Del Peru 
14117      207         13           7   Telefonica del Sur S.A. 
10481      181         72           8   Prima S.A. 
 6503      178        151          82   AVANTEL, S.A. 
 7303      177         82          27   Telecom Argentina Stet-France
21826      133         17          23   INTERCABLE 
11556      132         80           4   Cable-Wireless Panama 
19429      130         68          43   E.T.B. 
19169      129          8          26   Telconet 
14522      126         18           9   SatNet S.A. 
14259      118         10          15   GTD Internet S.A. 
23216      115         21           9   RAMtelecom Telecomunicaciones
 5639      109         12           9   Telecommunications Services o
 6505      109         88          79   Global One Communicaoes Ltda 
 7738      106        410          20   Telecomunicacoes da Bahia S.A
 7910      105          7          10   ANDINET ON LINE 

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
 3741      287        803         234   The Internet Solution 
 8452      168         60           7   TEDATA
 6713      154        135          11   Itissalat Al-MAGHRIB
 2018      131        314         105   Tertiary Education Network 
15475      125         84           4   Nile Online
 5536      121          8          18   Internet Egypt Network
24835      116         48           6   RAYA Telecom - Egypt
33783      105          6           2   EEPAD TISP TELECOM & INTERNET
 2905       69        139          60   The Internetworking Company o
20928       60         16           3   Noor Advanced Technologies AS
15706       44          8           3   Sudatel Internet Exchange Aut
 5713       39        294          35   Telkom SA Ltd 
33774       29          7          20   AS Number for Telecom Algeria
16637       25         18          23   Johnnic e-Ventures 
23889       24          8          11   MAURITIUS TELECOM
10798       23          1          14   Standard Bank of South Africa
12455       23          6           3   Jambonet Autonomous system
21280       23          4           4   Swift Global Kenya Ltd.Is an 
 8524       22          1           5   AUCEGYPT Autonomous System
33766       21          2           1   Nyala Communications Pty Ltd 

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

  ASN   No of nets  Net Savings Description
 4323      1332        1066      Time Warner Telecom
 4134      1245        1016      CHINANET-BACKBONE
18566       945         937      Covad Communications 
 9583       920         905      Sify Limited
 4755       947         872      Videsh Sanchar Nigam Ltd. Aut
  721      1026         711      DLA Systems Automation Center
 9498       712         645      BHARTI BT INTERNET LTD.
11492       654         644      Cable One 
22773       674         634      Cox Communications, Inc.
 6197      1013         532      BellSouth Network Solutions, 
19262       723         532      Verizon Global Networks 
19916       563         509      OLM LLC 
 5668       529         506      CenturyTel Internet Holdings,
17488       519         502      Hathway IP Over Cable Interne
  855       573         499      Canadian Research Network 
 7545       547         475      TPG Internet Pty Ltd
 8151       694         472      UniNet S.A. de C.V. 
 3602       525         421      Sprint Canada, Inc. 
22047       432         421      VTR PUNTO NET S.A. 
15270       440         407      PaeTec.net -a division of Pae

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

Bad AS  Designation  Network              Transit AS  Description
65128   PRIVATE       193.110.50.0/24      24652       Juniper Networks, Eu
24409   UNALLOCATED   203.119.29.0/24       9808       Guangdong Mobile Com

Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------

Prefix             Origin AS  Description
198.18.1.0/24         3301     TeliaNet Sweden

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
183.206.196.0/24      2188     FR-RENATER-ASTER
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

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       /10:10      /11:28      /12:93      
/13:202     /14:364     /15:715     /16:8880    /17:3296    /18:5423    
/19:11833   /20:13442   /21:11733   /22:14844   /23:16031   /24:103699  
/25:433     /26:326     /27:218     /28:66      /29:74      /30:54      
/31:0       /32:40      

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

  ASN   No of nets  Total ann.   Description
18566      928           945      Covad Communications 
 6197      793          1013      BellSouth Network Solutions, 
 7018      793          1484      AT&T WorldNet Services
 9583      750           920      Sify Limited
 4323      645          1332      Time Warner Telecom
11492      642           654      Cable One 
 2386      635           918      AT&T Data Communications Serv
 7011      559           651      Citizens Utilities 
19916      557           563      OLM LLC 
 4766      500           689      Korea Telecom (KIX)
  855      447           573      Canadian Research Network 
 6198      441           599      BellSouth Network Solutions, 
 9498      415           712      BHARTI BT INTERNET LTD.
 5668      412           529      CenturyTel Internet Holdings,
15270      409           440      PaeTec.net -a division of Pae
 1239      387           843      Sprint 
17849      382           388      Telecommunications Technology
 4755      379           947      Videsh Sanchar Nigam Ltd. Aut
 6517      366           398      Yipes Communications, Inc. 
22773      354           674      Cox Communications, Inc.

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

   4:9         8:42       12:1615     13:1        15:15       16:3      
  17:3        18:4        20:41       24:776      25:1        32:58     
  38:229      40:54       41:3        43:16       44:3        47:6      
  52:4        55:1        56:3        57:24       58:192      59:246    
  60:192      61:867      62:801      63:1882     64:3170     65:2247   
  66:3115     67:620      68:676      69:1519     70:390      71:85     
  72:801      74:53       75:1        80:778      81:656      82:633    
  83:390      84:379      85:566      86:395      87:385      88:109    
  89:318     121:1       122:2       123:1       124:263     125:541    
 128:141     129:191     130:119     131:313     132:34      133:8      
 134:160     135:48      136:178     137:83      138:206     139:53     
 140:490     141:134     142:384     143:168     144:225     145:39     
 146:319     147:137     148:342     149:191     150:114     151:94     
 152:69      153:106     154:5       155:206     156:186     157:145    
 158:157     159:171     160:91      161:77      162:245     163:158    
 164:186     165:218     166:172     167:243     168:496     169:128    
 170:351     171:14      183:1       190:82      192:5734    193:3362   
 194:2648    195:1949    196:873     198:3959    199:3234    200:4544   
 201:985     202:6718    203:7061    204:3897    205:2053    206:2425   
 207:2915    208:2185    209:3394    210:2058    211:712     212:1235   
 213:1474    214:365     215:41      216:4003    217:1172    218:295    
 219:250     220:735     221:371     222:189    

End of report