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[bgp-stats] Routing Table Report



*  BGP Statistics focusing on the Asia Pacific Region *
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Routing Table Report   25 Feb, 2001

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

BGP routing table entries examined:                            101803
Origin ASes present in the Internet Routing Table:              10097
Origin ASes announcing only one prefix:                          3599
Transit ASes present in the Internet Routing Table:              1352
Average AS path length visible in the Internet Routing Table:     5.3
    Max AS path length visible:                                    16
Illegal AS announcements present in the Routing Table:             18
Non-routable prefixes present in the Routing Table:                 0
Prefixes being announced from the IANA Reserved Address blocks:     3
Number of addresses announced to Internet:                 1248626558
    Equivalent to 74 /8s, 108 /16s and 135 /24s
    Percentage of available address space announced:             33.7
    Percentage of allocated address space announced:             66.1
    Percentage of available address space allocated:             51.0

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

Prefixes being announced by APNIC Region ASes:                  15806
Prefixes being announced from the APNIC address blocks:         14141
APNIC Region origin ASes present in the Internet Routing Table:  1161
APNIC Region origin ASes announcing only one prefix:              419
APNIC Region transit ASes present in the Internet Routing Table:  193
Average APNIC Region AS path length visible:                      5.0
    Max APNIC Region AS path length visible:                       15
Number of APNIC addresses announced to Internet:             70208480
    Equivalent to 4 /8s, 47 /16s and 75 /24s
    Percentage of available APNIC address space announced:       69.0

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:                   70292
Prefixes being announced from the ARIN address blocks:          47667
ARIN Region origin ASes present in the Internet Routing Table:   6155
ARIN Region origin ASes announcing only one prefix:              1788
ARIN Region transit ASes present in the Internet Routing Table:   644
Average ARIN Region AS path length visible:                       5.2
    Max ARIN Region AS path length visible:                        13
Number of ARIN addresses announced to Internet:             194423071
    Equivalent to 11 /8s, 150 /16s and 169 /24s
    Percentage of available ARIN address space announced:        89.1

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:                   15687
Prefixes being announced from the RIPE address blocks:          12429
RIPE Region origin ASes present in the Internet Routing Table:   2781
RIPE Region origin ASes announcing only one prefix:              1392
RIPE Region transit ASes present in the Internet Routing Table:   513
Average RIPE Region AS path length visible:                       5.9
    Max RIPE Region AS path length visible:                        16
Number of RIPE addresses announced to Internet:             107815270
    Equivalent to 6 /8s, 109 /16s and 33 /24s
    Percentage of available RIPE address space announced:        91.8

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     2384       1189       Telstra
 2764      430        140       connect.com.au pty ltd
  703      392        253       UUNET Technologies, Inc.
 2907      374        908       SINET Japan
 4755      290        110       VSNL India
 4740      287         18       Ozemail
 4538      212        981       China Education and Research 
 4618      212         56       Internet Thailand
 9269      207         24       Hong Kong CTI
 7545      203          7       TPG Internet Pty Ltd
 7474      199         89       Optus Communications
 7657      193         11       The Internet Group Limited
 4763      187         43       Telstra New Zealand
 4134      172        556       Data Communications Bureau
 4766      172        617       KORnet Powered BY Korea Telec
 3462      137        205       Data Communications Institute
 4786      133          8       NetConnect Communications Pty
 7539      132         86       Delegated to TWNIC for subseq
 7586      130         10       Paradox Digital Pty. Ltd
 7496      128          9       Power Up

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

  ASN   No of nets  /19 equiv  Description
  702      411        615       UUNET Technologies, Inc.
 3301      402        330       TeliaNet Sweden
 1257      311        248       Swipnet AB
 3215      273        183       RAIN
 1270      270        449       UUNET Germany
  680      203        889       Deutschef Forschurgsnetz
  719      190        146       LANLINK
  786      184        960       JANET IP Service
 5515      169        318       Sonera Finland
 3320      167        462       Deutsche Telekom AG
 1849      149        263       UUNET UK (formerly PIPEX)
 1942      139         53       GIP Renater
  517      135        137       Xlink
 2856      129        388       BTnet UK Regional network
 3303      129        277       Swisscom
 5400      112         31       Concert Internet Plus Europea
 1901      104         77       EUnet Austria
 1267       99        986       IUnet S.p.A
 3269       87        276       TELECOM ITALIA
 2830       85         30       UUNET UK (formerly PIPEX)

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

  ASN   No of nets  /19 equiv  Description
  701     2678       3557       UUNET Technologies, Inc.
    1     1007       4566       BBN Planet
 7018      922       3017       AT&T
  705      749         42       UUNET Technologies, Inc.
 7046      724        529       UUNET Technologies, Inc.
 1239      654       1554       Sprint ICM-Inria
 2914      623       1270       Verio, Inc.
  174      586       2799       PSINet Inc.
 3561      573       1276       Cable & Wireless USA
 3549      535        481       Frontier GlobalCenter
 2551      489        328       NETCOM On-Line Communication 
 4293      477         58       Cable & Wireless USA
  209      462        658       Qwest
 2548      393        514       Digital Express Group, Inc.
 3908      389        280       Supernet, Inc.
 8151      365        204       UniNet S.A. de C.V.
  271      350        270       BCnet Backbone
 8013      335         62       PSINet Ltd. Canada
  690      329         42       Merit Network
11371      326         49       Rhythms NetConnections

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

  ASN   No of nets  /19 equiv  Description
  701     2678       3557       UUNET Technologies, Inc.
 1221     2384       1189       Telstra
    1     1007       4566       BBN Planet
 7018      922       3017       AT&T
  705      749         42       UUNET Technologies, Inc.
 7046      724        529       UUNET Technologies, Inc.
 1239      654       1554       Sprint ICM-Inria
 2914      623       1270       Verio, Inc.
  174      586       2799       PSINet Inc.
 3561      573       1276       Cable & Wireless USA
 3549      535        481       Frontier GlobalCenter
 2551      489        328       NETCOM On-Line Communication 
 4293      477         58       Cable & Wireless USA
  209      462        658       Qwest
 2764      430        140       connect.com.au pty ltd
  702      411        615       UUNET Technologies, Inc.
 3301      402        330       TeliaNet Sweden
 2548      393        514       Digital Express Group, Inc.
  703      392        253       UUNET Technologies, Inc.
 3908      389        280       Supernet, Inc.

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

Bad AS  Designation  Network              Transit AS  Description
65535   PRIVATE       62.4.68.96/27         6461       AboveNet Communicati
 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       199.4.250.0/24         297       NASA Science Network
65000   PRIVATE       199.4.251.0/24         297       NASA Science Network
65500   PRIVATE       203.166.86.0/24      10084       Western Australian I
65000   PRIVATE       204.89.132.0/24        297       NASA Science Network
65000   PRIVATE       204.89.133.0/24        297       NASA Science Network
 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
103.22.7.0/24         9768     PubNet (Korea Telecom)

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

 /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
 /7:0        /8:23       /9:4       /10:5       /11:10      /12:32      
/13:62      /14:200     /15:316     /16:6895    /17:1064    /18:2040    
/19:6400    /20:4750    /21:4354    /22:6608    /23:8610    /24:59159   
/25:272     /26:343     /27:146     /28:109     /29:75      /30:176     
/31:0       /32:150     

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

   9:3        12:313      13:10       15:1        17:1        24:669    
  26:1        32:6        38:8        44:3        47:1        53:2      
  55:1        57:8        61:37       62:122      63:1782     64:1362   
  65:121      66:123      91:1       103:1       128:48      129:245    
 130:20      131:31      132:11      133:3       134:133     135:8      
 136:16      137:111     138:301     139:54      140:107     141:45     
 142:57      143:42      144:193     145:9       146:132     147:93     
 148:121     149:117     150:25      151:468     152:972     153:35     
 154:13      155:73      156:21      157:102     158:55      159:78     
 160:16      161:55      162:60      163:131     164:130     165:114    
 166:175     167:87      168:81      169:31      170:202     171:2      
 192:5401    193:1831    194:2028    195:796     196:389     198:3698   
 199:3432    200:1808    202:2417    203:5242    204:3664    205:2456   
 206:2732    207:2985    208:2923    209:3294    210:412     211:143    
 212:845     213:312     214:9       215:11      216:2812    217:120    


End of report
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