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 29 Sep, 2006

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

BGP routing table entries examined:                              198788
    Prefixes after maximum aggregation:                          108517
    Unique aggregates announced to Internet:                      96627
Total ASes present in the Internet Routing Table:                 23222
Origin-only ASes present in the Internet Routing Table:           20242
Origin ASes announcing only one prefix:                            9715
Transit ASes present in the Internet Routing Table:                2980
Transit-only ASes present in the Internet Routing Table:             76
Average AS path length visible in the Internet Routing Table:       3.5
    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:                           3
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:             10
Number of addresses announced to Internet:                   1592969228
    Equivalent to 94 /8s, 242 /16s and 200 /24s
    Percentage of available address space announced:               43.0
    Percentage of allocated address space announced:               61.0
    Percentage of available address space allocated:               70.5
Total number of prefixes smaller than registry allocations:       99559

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

Prefixes being announced by APNIC Region ASes:                    43468
    Total APNIC prefixes after maximum aggregation:               17549
Prefixes being announced from the APNIC address blocks:           41078
    Unique aggregates announced from the APNIC address blocks:    18576
APNIC Region origin ASes present in the Internet Routing Table:    2701
APNIC Region origin ASes announcing only one prefix:                758
APNIC Region transit ASes present in the Internet Routing Table:    409
Average APNIC Region AS path length visible:                        3.5
    Max APNIC Region AS path length visible:                         24
Number of APNIC addresses announced to Internet:              262689376
    Equivalent to 15 /8s, 168 /16s and 82 /24s
    Percentage of available APNIC address space announced:         82.1

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:                    100395
    Total ARIN prefixes after maximum aggregation:                59496
Prefixes being announced from the ARIN address blocks:            73685
    Unique aggregates announced from the ARIN address blocks:     27796
ARIN Region origin ASes present in the Internet Routing Table:    11006
ARIN Region origin ASes announcing only one prefix:                4177
ARIN Region transit ASes present in the Internet Routing Table:    1014
Average ARIN Region AS path length visible:                         3.3
    Max ARIN Region AS path length visible:                          29
Number of ARIN addresses announced to Internet:               302047488
    Equivalent to 18 /8s, 0 /16s and 225 /24s
    Percentage of available ARIN address space announced:          78.3

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

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

Prefixes being announced by RIPE Region ASes:                     40352
    Total RIPE prefixes after maximum aggregation:                26759
Prefixes being announced from the RIPE address blocks:            37300
    Unique aggregates announced from the RIPE address blocks:     24997
RIPE Region origin ASes present in the Internet Routing Table:     8547
RIPE Region origin ASes announcing only one prefix:                4482
RIPE Region transit ASes present in the Internet Routing Table:    1377
Average RIPE Region AS path length visible:                         3.9
    Max RIPE Region AS path length visible:                          22
Number of RIPE addresses announced to Internet:               266440356
    Equivalent to 15 /8s, 225 /16s and 142 /24s
    Percentage of available RIPE address space announced:          72.2

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:                   12233
    Total LACNIC prefixes after maximum aggregation:               3796
Prefixes being announced from the LACNIC address blocks:          10252
    Unique aggregates announced from the LACNIC address blocks:    6161
LACNIC Region origin ASes present in the Internet Routing Table:    730
LACNIC Region origin ASes announcing only one prefix:               250
LACNIC Region transit ASes present in the Internet Routing Table:   127
Average LACNIC Region AS path length visible:                       4.1
    Max LACNIC Region AS path length visible:                        22
Number of LACNIC addresses announced to Internet:              32813056
    Equivalent to 1 /8s, 244 /16s and 176 /24s
    Percentage of available LACNIC address space announced:        48.9

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:                   2338
    Total AfriNIC prefixes after maximum aggregation:               917
Prefixes being announced from the AfriNIC address blocks:          1633
    Unique aggregates announced from the AfriNIC address blocks:   1066
AfriNIC Region origin ASes present in the Internet Routing Table:   162
AfriNIC Region origin ASes announcing only one prefix:               48
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:                       14
Number of AfriNIC addresses announced to Internet:              4236544
    Equivalent to 0 /8s, 64 /16s and 165 /24s
    Percentage of available AfriNIC address space announced:       12.6

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     1238       8156         237   CHINANET-BACKBONE
 4755      997        255          66   Videsh Sanchar Nigam Ltd. Aut
 9583      954        108          58   Sify Limited
 9498      852        212          72   BHARTI BT INTERNET LTD.
 4766      741       4436         307   Korea Telecom (KIX)
 1221      609       1780         467   Telstra Pty Ltd
 7545      540        124          74   TPG Internet Pty Ltd
17488      534         33          12   Hathway IP Over Cable Interne
17676      499      10933          63   Softbank BB Corp.
18101      456         87          19   Reliance Infocom Ltd Internet
 9443      454        111          74   Primus Telecommunications
 9942      428         77         125   COMindico Australia
17849      424         31         127   Telecommunications Technology
 4802      411         86         150   Wantree Development
 4812      406        741          62   China Telecom (Shanghai)
17557      363         30         176   Pakistan Telecom
17974      358        129          12   PT TELEKOMUNIKASI INDONESIA
 2907      337       1734         313   SINET Japan
 4837      323       3554         139   chinanet IDC center beijing n
 7474      287        210         224   SingTel Optus Pty Ltd

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
 7018     1525       6257         992   AT&T WorldNet Services
 2386     1168        594         843   AT&T Data Communications Serv
 6197     1027        643         478   BellSouth Network Solutions, 
 4323     1021        782         290   Time Warner Telecom
  174      972       6825         902   Cogent Communications
  721      965      21893         305   DLA Systems Automation Center
18566      963        272           8   Covad Communications 
  701      948       6741         779   UUNET Technologies, Inc. 
 1239      837       2763         588   Sprint 
11492      750         90          13   Cable One 
19262      745       2340         188   Verizon Global Networks 
20115      739        664         385   Charter Communications 
22773      712       1744          46   Cox Communications, Inc.
  209      705       3631         554   Qwest 
 7011      671        209         425   Citizens Utilities 
  852      589       1070         386   Telus Advanced Communications
 6478      588       1269         382   AT&T Worldnet Services 
19916      565         49          54   OLM LLC 
  855      552        249          74   Canadian Research Network 
 5668      536        145          18   CenturyTel Internet Holdings,

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
  702      544       1928         424   UUNET - Commercial IP service
 3301      314       1186         298   TeliaNet Sweden
 3320      297       5013         242   Deutsche Telekom AG
 8220      280        455         266   COLT Telecommunications
24863      273         41          30   LINKdotNET AS number
  680      251       2041         247   DFN-IP service G-WiN
 6746      240         90         219   Dynamic Network Technologies,
 3246      228        469         218   Song Networks
 1257      222        740         169   SWIPnet Swedish IP Network
 8708      219        278         206   Romania Data Systems S.A.
 3215      209       1832          96   France Telecom Transpac
 3269      203       2261          73   TELECOM ITALIA
30890      202         18          79   SC Kappa Invexim SRL
 8551      200        182          27   Bezeq International
 6830      198        879          43   UPC Distribution Services
 9116      198        134          23   Goldenlines main autonomous s
 8866      188         37          15   Bulgarian Telecommunication C
 5416      181         12          11   BATELCO-BH
 3300      174        171          97   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       1811         226   UniNet S.A. de C.V. 
11172      373         98          86   Servicios Alestra S.A de C.V 
16814      329         20           8   NSS, S.A. 
22047      303        206          11   VTR PUNTO NET S.A. 
 6147      263        140          24   Telefonica Del Peru 
 6471      255         74          30   ENTEL CHILE S.A. 
14117      229         15           8   Telefonica del Sur S.A. 
 7303      205         91          23   Telecom Argentina Stet-France
 6503      184        168          84   AVANTEL, S.A. 
10481      181         72           8   Prima S.A. 
23216      146         21          10   RAMtelecom Telecomunicaciones
21826      144         18          29   INTERCABLE 
 7910      139          9          14   ANDINET ON LINE 
19169      136          9          21   Telconet 
19429      135         83          37   E.T.B. 
11556      132         96           4   Cable-Wireless Panama 
18822      129          8          10   TELEFONICA MANQUEHUE 
14522      116         18           9   SatNet S.A. 
 7738      113        410          20   Telecomunicacoes da Bahia S.A
14259      111         10          18   GTD Internet S.A. 

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
 3741      288        803         232   The Internet Solution 
 8452      173         60           7   TEDATA
 6713      144        135          11   Itissalat Al-MAGHRIB
15475      142         84           4   Nile Online
 2018      134        297         111   Tertiary Education Network 
 5536      121          8          18   Internet Egypt Network
24835      116         48           6   RAYA Telecom - Egypt
33783      107          6           2   EEPAD TISP TELECOM & INTERNET
 2905       80        159          71   The Internetworking Company o
 2561       55          6           2   Egyptian Universities Network
15706       55         12           4   Sudatel Internet Exchange Aut
 5713       36        293          32   Telkom SA Ltd 
12455       36          6           3   Jambonet Autonomous system
33774       32          7          20   AS Number for Telecom Algeria
21280       26          4           4   Swift Global Kenya Ltd.Is an 
23889       26          8          11   MAURITIUS TELECOM
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
 8524       22          1           5   AUCEGYPT Autonomous System

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

  ASN   No of nets  Net Savings Description
 4134      1238        1001      CHINANET-BACKBONE
18566       963         955      Covad Communications 
 4755       997         931      Videsh Sanchar Nigam Ltd. Aut
 9583       954         896      Sify Limited
 9498       852         780      BHARTI BT INTERNET LTD.
11492       750         737      Cable One 
 4323      1021         731      Time Warner Telecom
22773       712         666      Cox Communications, Inc.
  721       965         660      DLA Systems Automation Center
19262       745         557      Verizon Global Networks 
 6197      1027         549      BellSouth Network Solutions, 
17488       534         522      Hathway IP Over Cable Interne
 5668       536         518      CenturyTel Internet Holdings,
19916       565         511      OLM LLC 
  855       552         478      Canadian Research Network 
 7545       540         466      TPG Internet Pty Ltd
18101       456         437      Reliance Infocom Ltd Internet
17676       499         436      Softbank BB Corp.
 4766       741         434      Korea Telecom (KIX)
15270       467         432      PaeTec.net -a division of Pae

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

Bad AS  Designation  Network              Transit AS  Description
65001   PRIVATE       88.213.181.0/24      28929       Tiziano D'Inca' - AS
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 
192.84.205.0/24        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        /8:18       /9:9       /10:13      /11:31      /12:106     
/13:212     /14:384     /15:762     /16:9017    /17:3488    /18:5700    
/19:12292   /20:13872   /21:12222   /22:15509   /23:16905   /24:107015  
/25:434     /26:364     /27:191     /28:65      /29:41      /30:89      
/31:0       /32:49      

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

  ASN   No of nets  Total ann.   Description
18566      946           963      Covad Communications 
 2386      884          1168      AT&T Data Communications Serv
 6197      806          1027      BellSouth Network Solutions, 
 7018      792          1525      AT&T WorldNet Services
 9583      786           954      Sify Limited
11492      738           750      Cable One 
 7011      576           671      Citizens Utilities 
19916      559           565      OLM LLC 
 4766      550           741      Korea Telecom (KIX)
 9498      509           852      BHARTI BT INTERNET LTD.
15270      436           467      PaeTec.net -a division of Pae
  855      432           552      Canadian Research Network 
 4755      429           997      Videsh Sanchar Nigam Ltd. Aut
 5668      418           536      CenturyTel Internet Holdings,
17849      412           424      Telecommunications Technology
 1239      407           837      Sprint 
18101      389           456      Reliance Infocom Ltd Internet
22773      373           712      Cox Communications, Inc.
33588      369           390      Bresnan Communications, LLC. 
17488      354           534      Hathway IP Over Cable Interne

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

   4:8         8:52       12:1653     13:1        15:16       16:3      
  17:3        18:4        20:41       24:829      25:1        32:57     
  38:253      40:56       41:19       44:3        47:7        52:4      
  55:1        56:3        57:25       58:224      59:268      60:189    
  61:899      62:972      63:1902     64:3107     65:2250     66:3042   
  67:645      68:657      69:1634     70:392      71:89       72:937    
  74:80       75:7        80:815      81:691      82:603      83:395    
  84:399      85:664      86:423      87:459      88:193      89:479    
 121:34      122:14      123:1       124:374     125:608     128:282    
 129:230     130:119     131:309     132:34      133:9       134:167    
 135:51      136:177     137:87      138:224     139:47      140:524    
 141:134     142:361     143:192     144:237     145:42      146:318    
 147:137     148:364     149:174     150:115     151:120     152:77     
 153:121     154:5       155:230     156:158     157:196     158:156    
 159:175     160:98      161:84      162:218     163:167     164:231    
 165:224     166:238     167:249     168:486     169:129     170:375    
 171:11      172:1       190:223     192:5731    193:3483    194:2734   
 195:2082    196:903     198:3872    199:3325    200:4453    201:927    
 202:6898    203:7100    204:3931    205:2085    206:2427    207:2954   
 208:2309    209:3503    210:2202    211:838     212:1361    213:1498   
 214:378     215:37      216:4042    217:1142    218:341     219:260    
 220:796     221:385     222:227    

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