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[bgp-stats] Routing Table Report



*  BGP Statistics focusing on the Asia Pacific Region *
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Routing Table Report   27 Jan, 2001

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

BGP routing table entries examined:                            100422
Origin ASes present in the Internet Routing Table:               9772
Origin ASes announcing only one prefix:                          3464
Transit ASes present in the Internet Routing Table:              1296
Average AS path length visible in the Internet Routing Table:     5.3
    Max AS path length visible:                                    18
Illegal AS announcements present in the Routing Table:             16
Non-routable prefixes present in the Routing Table:                 0
Prefixes being announced from the IANA Reserved Address blocks:     2
Number of addresses announced to Internet:                 1202205595
    Equivalent to 71 /8s, 168 /16s and 51 /24s
    Percentage of available address space announced:             32.4
    Percentage of allocated address space announced:             63.6
    Percentage of available address space allocated:             51.0

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

Prefixes being announced by APNIC Region ASes:                  15477
Prefixes being announced from the APNIC address blocks:         13922
APNIC Region origin ASes present in the Internet Routing Table:  1140
APNIC Region origin ASes announcing only one prefix:              403
APNIC Region transit ASes present in the Internet Routing Table:  184
Average APNIC Region AS path length visible:                      5.0
    Max APNIC Region AS path length visible:                       13
Number of APNIC addresses announced to Internet:             65457303
    Equivalent to 3 /8s, 230 /16s and 204 /24s
    Percentage of available APNIC address space announced:       64.4

APNIC AS Blocks        4608 - 4864, 7467 - 7722, 9216 - 10239, 17408 - 18431
APNIC Address Blocks   61/8, 202/7, 210/7 and 218/8

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes:                   69545
Prefixes being announced from the ARIN address blocks:          47211
ARIN Region origin ASes present in the Internet Routing Table:   5946
ARIN Region origin ASes announcing only one prefix:              1713
ARIN Region transit ASes present in the Internet Routing Table:   622
Average ARIN Region AS path length visible:                       5.2
    Max ARIN Region AS path length visible:                        13
Number of ARIN addresses announced to Internet:             175652077
    Equivalent to 10 /8s, 120 /16s and 60 /24s
    Percentage of available ARIN address space announced:        80.5

ARIN AS Blocks         1 - 1876, 1902 - 2042, 2044 - 2046, 2048 - 2106
                       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
ARIN Address Blocks    63/8, 64/7, 66/8, 199/8, 200/8, 204/6, 208/7 and 216/8

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

Prefixes being announced by RIPE Region ASes:                   15384
Prefixes being announced from the RIPE address blocks:          12115
RIPE Region origin ASes present in the Internet Routing Table:   2685
RIPE Region origin ASes announcing only one prefix:              1348
RIPE Region transit ASes present in the Internet Routing Table:   488
Average RIPE Region AS path length visible:                       5.9
    Max RIPE Region AS path length visible:                        18
Number of RIPE addresses announced to Internet:              89430120
    Equivalent to 5 /8s, 84 /16s and 152 /24s
    Percentage of available RIPE address space announced:        76.1

RIPE AS Blocks         1877 - 1901, 2042, 2047, 2107 - 2136, 2585 - 2614
                       2773 - 2822, 2830 - 2879, 3154 - 3353, 5377 - 5631
                       6656 - 6911, 8192 - 9215, 12288 - 13311, 15360 - 16383
RIPE Address Blocks    62/8, 193/8, 194/7, 212/7 and 217/8

APNIC Region per AS prefix count summary
----------------------------------------

  ASN   No of nets  /19 equiv  Description
 1221     2371       1189       Telstra
 2764      433        139       connect.com.au pty ltd
  703      366        247       UUNET Technologies, Inc.
 2907      366        892       SINET Japan
 4755      341        112       VSNL India
 4740      256         16       Ozemail
 7657      222         12       The Internet Group Limited
 4618      208         56       Internet Thailand
 9269      208         23       Hong Kong CTI
 7545      204          7       TPG Internet Pty Ltd
 4763      190         43       Telstra New Zealand
 7474      187         84       Optus Communications
 4766      176        619       KORnet Powered BY Korea Telec
 4134      168        521       Data Communications Bureau
 7586      135         10       Paradox Digital Pty. Ltd
 3462      128        180       Data Communications Institute
 4786      128          7       NetConnect Communications Pty
 7496      123          9       Power Up
 7617      122         46       One.Net Pty Ltd
 9797      121         10       Asia Online Australia

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

  ASN   No of nets  /19 equiv  Description
 3301      393        306       TeliaNet Sweden
  702      363        488       UUNET Technologies, Inc.
 1270      340        433       UUNET Germany
 1257      316        248       Swipnet AB
 3215      203        181       RAIN
 5515      191        351       Sonera Finland
  719      190        146       LANLINK
  786      184        960       JANET IP Service
  680      170        855       Deutschef Forschurgsnetz
 3320      167        462       Deutsche Telekom AG
 1849      165        289       UUNET UK (formerly PIPEX)
 1942      140         53       INRIA-Rocquencourt
 2856      138        394       BTnet UK Regional network
  517      136        138       Xlink
 3303      127        277       Swisscom
 5400      110         31       Concert Internet Plus Europea
 1901      103         77       EUnet Austria
 1267       95        985       IUnet S.p.A
 3269       94        289       TELECOM ITALIA
 3259       93         88       UUNET FRANCE

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

  ASN   No of nets  /19 equiv  Description
  701     2588       3621       UUNET Technologies, Inc.
    1     1010       4612       BBN Planet
 7018      899       3023       AT&T
 7046      717        515       UUNET Technologies, Inc.
 1239      707       1630       Sprint ICM-Inria
 2914      628       1296       Verio, Inc.
  174      593       2814       PSINet Inc.
  705      575         37       UUNET Technologies, Inc.
 3561      567       1295       Cable & Wireless USA
 2548      540        523       Digital Express Group, Inc.
 2551      530        346       NETCOM On-Line Communication 
 8013      524         64       PSINet Ltd. Canada
 3549      523        436       Frontier GlobalCenter
 4293      444         56       Cable & Wireless USA
  209      431        633       Qwest
  271      424        271       BCnet Backbone
 3602      386         77       Sprint Canada
 3908      385        280       Supernet, Inc.
 6082      360         63       Management Analysis, Incorpor
 8151      355        192       UniNet S.A. de C.V.

Global Per AS prefix count summary
----------------------------------

  ASN   No of nets  /19 equiv  Description
  701     2588       3621       UUNET Technologies, Inc.
 1221     2371       1189       Telstra
    1     1010       4612       BBN Planet
 7018      899       3023       AT&T
 7046      717        515       UUNET Technologies, Inc.
 1239      707       1630       Sprint ICM-Inria
 2914      628       1296       Verio, Inc.
  174      593       2814       PSINet Inc.
  705      575         37       UUNET Technologies, Inc.
 3561      567       1295       Cable & Wireless USA
 2548      540        523       Digital Express Group, Inc.
 2551      530        346       NETCOM On-Line Communication 
 8013      524         64       PSINet Ltd. Canada
 3549      523        436       Frontier GlobalCenter
 4293      444         56       Cable & Wireless USA
 2764      433        139       connect.com.au pty ltd
  209      431        633       Qwest
  271      424        271       BCnet Backbone
 3301      393        306       TeliaNet Sweden
 3602      386         77       Sprint Canada

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

Bad AS  Designation  Network              Transit AS  Description
 2027   UNALLOCATED   150.185.0.0/16       10530       Interpacket Group, I
 2027   UNALLOCATED   150.185.128.0/18      8143       Publicom Corp.
 2027   UNALLOCATED   150.186.0.0/16       10530       Interpacket Group, I
 2027   UNALLOCATED   150.187.0.0/16       10530       Interpacket Group, I
 2027   UNALLOCATED   150.188.0.0/16       10530       Interpacket Group, I
 2027   UNALLOCATED   150.189.0.0/16       10530       Interpacket Group, I
 1877   UNALLOCATED   192.108.196.0/24      1800       SPRINT
 1877   UNALLOCATED   192.108.209.0/24      1880       Stupi, house man's 
 1877   UNALLOCATED   192.108.210.0/24      1880       Stupi, house man's 
 1877   UNALLOCATED   192.108.214.0/24      1800       SPRINT
 5757   UNALLOCATED   192.239.13.0/24        701       UUNET Technologies, 
65000   PRIVATE       199.114.36.0/24        721       DLA Systems Automati
65000   PRIVATE       199.252.48.0/24        721       DLA Systems Automati
65000   PRIVATE       199.252.50.0/24        721       DLA Systems Automati
65500   PRIVATE       203.166.86.0/24      10084       Western Australian I
 5757   UNALLOCATED   207.19.224.0/24        701       UUNET Technologies, 

Advertised IANA Reserved Addresses
----------------------------------

Network            Origin AS  Description
39.96.40.224/30      14408     iCAIR
91.16.23.0/24        11770     Net56

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

 /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
 /7:0        /8:21       /9:4       /10:5       /11:10      /12:32      
/13:61      /14:196     /15:305     /16:6804    /17:1026    /18:2027    
/19:6310    /20:4479    /21:4280    /22:6508    /23:8449    /24:58156   
/25:287     /26:400     /27:225     /28:186     /29:160     /30:293     
/31:1       /32:197     

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

   9:3        12:306      15:1        24:633      26:1        32:6      
  38:9        44:2        53:2        55:1        57:9        61:60     
  62:105      63:1606     64:1190     65:32       66:82       91:1      
 128:31      129:205     130:20      131:31      132:9       133:4      
 134:94      135:8       136:123     137:78      138:191     139:54     
 140:104     141:23      142:116     143:38      144:126     145:11     
 146:132     147:90      148:120     149:112     150:21      151:330    
 152:958     153:118     154:76      155:70      156:15      157:111    
 158:56      159:52      160:17      161:57      162:61      163:124    
 164:105     165:99      166:175     167:82      168:68      169:30     
 170:195     171:2       192:5397    193:1818    194:1996    195:770    
 196:393     198:3746    199:3370    200:1797    202:2451    203:5208   
 204:3560    205:2474    206:2810    207:2997    208:2879    209:3462   
 210:383     211:136     212:789     213:292     214:8       215:11     
 216:2724    217:94     

End of report
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