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[bgp-stats] Routing Table Report



*  BGP Statistics focusing on the Asia Pacific Region *
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Routing Table Report   15 Apr, 2001

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

BGP routing table entries examined:                            103023
Origin ASes present in the Internet Routing Table:              10577
Origin ASes announcing only one prefix:                          3800
Transit ASes present in the Internet Routing Table:              1421
Average AS path length visible in the Internet Routing Table:     5.3
    Max AS path length visible:                                    15
Illegal AS announcements present in the Routing Table:             17
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:                 1238840568
    Equivalent to 73 /8s, 215 /16s and 52 /24s
    Percentage of available address space announced:             33.4
    Percentage of allocated address space announced:             65.5
    Percentage of available address space allocated:             51.0

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

Prefixes being announced by APNIC Region ASes:                  15678
Prefixes being announced from the APNIC address blocks:         14184
APNIC Region origin ASes present in the Internet Routing Table:  1224
APNIC Region origin ASes announcing only one prefix:              432
APNIC Region transit ASes present in the Internet Routing Table:  198
Average APNIC Region AS path length visible:                      5.1
    Max APNIC Region AS path length visible:                       14
Number of APNIC addresses announced to Internet:             71046970
    Equivalent to 4 /8s, 60 /16s and 23 /24s
    Percentage of available APNIC address space announced:       69.9

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:                   71219
Prefixes being announced from the ARIN address blocks:          48799
ARIN Region origin ASes present in the Internet Routing Table:   6439
ARIN Region origin ASes announcing only one prefix:              1896
ARIN Region transit ASes present in the Internet Routing Table:   674
Average ARIN Region AS path length visible:                       5.2
    Max ARIN Region AS path length visible:                        14
Number of ARIN addresses announced to Internet:             181395905
    Equivalent to 10 /8s, 207 /16s and 225 /24s
    Percentage of available ARIN address space announced:        83.2

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:                   16109
Prefixes being announced from the RIPE address blocks:          12778
RIPE Region origin ASes present in the Internet Routing Table:   2912
RIPE Region origin ASes announcing only one prefix:              1472
RIPE Region transit ASes present in the Internet Routing Table:   547
Average RIPE Region AS path length visible:                       5.9
    Max RIPE Region AS path length visible:                        15
Number of RIPE addresses announced to Internet:              96670153
    Equivalent to 5 /8s, 195 /16s and 17 /24s
    Percentage of available RIPE address space announced:        82.3

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
                       20480 - 21503
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     2001        684       Telstra
 2764      427        147       connect.com.au pty ltd
  703      378        204       UUNET Technologies, Inc.
 2907      363        884       SINET Japan
 4755      300        110       VSNL India
 4538      240       1022       China Education and Research 
 7539      218        105       Delegated to TWNIC for subseq
 4134      186        614       Data Communications Bureau
 4766      186        769       KORnet Powered BY Korea Telec
 7474      179         85       Optus Communications
 1237      163         71       System Engineering Research I
 9269      160         22       Hong Kong CTI
 7657      155         12       The Internet Group Limited
 4740      153         10       Ozemail
17561      150         60       Internet service provision to
 7545      149         10       TPG Internet Pty Ltd
 4786      128          7       NetConnect Communications Pty
 7617      124         46       One.Net Pty Ltd
 7586      123          9       Paradox Digital Pty. Ltd
 9797      122         10       Asia Online Australia

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

  ASN   No of nets  /19 equiv  Description
  702      466        662       UUNET Technologies, Inc.
 3301      390        337       TeliaNet Sweden
 1257      278        247       Swipnet AB
 1270      278        448       UUNET Germany
  680      206        913       Deutschef Forschurgsnetz
 3215      205        227       RAIN
  719      191        146       LANLINK
 5515      190        336       Sonera Finland
  786      184        959       JANET IP Service
 3320      159        710       Deutsche Telekom AG
  517      128        134       Xlink
 5400      125         33       Concert Internet Plus Europea
 3303      123        298       Swisscom
 2856      122        388       BTnet UK Regional network
 1290      115        206       PSINet UK Ltd.
 8708      112          5       Romania Data System
 1849      108        224       UUNET UK (formerly PIPEX)
 3352      108        241       Ibernet, Internet A
 1267       97        978       IUnet S.p.A
 1901       97         77       EUnet Austria

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

  ASN   No of nets  /19 equiv  Description
  701     2427       3611       UUNET Technologies, Inc.
  705     1403         62       UUNET Technologies, Inc.
    1      962       4496       BBN Planet
 7018      961       3190       AT&T
 7046      810        559       UUNET Technologies, Inc.
 1239      644       1612       Sprint ICM-Inria
 2914      608       1211       Verio, Inc.
 3561      558       1264       Cable & Wireless USA
  174      526       2759       PSINet Inc.
 3549      514        495       Global Crossing
 4293      480         52       Cable & Wireless USA
  209      451        676       Qwest
  690      416         49       Merit Network
 2548      398        522       Digital Express Group, Inc.
 3908      375        262       Supernet, Inc.
 8151      360        218       UniNet S.A. de C.V.
 4323      338        136       Time Warner Communications, I
 3967      335        224       Exodus Communication
 8013      333         54       PSINet Ltd. Canada
11371      332         50       Rhythms NetConnections

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

  ASN   No of nets  /19 equiv  Description
  701     2427       3611       UUNET Technologies, Inc.
 1221     2001        684       Telstra
  705     1403         62       UUNET Technologies, Inc.
    1      962       4496       BBN Planet
 7018      961       3190       AT&T
 7046      810        559       UUNET Technologies, Inc.
 1239      644       1612       Sprint ICM-Inria
 2914      608       1211       Verio, Inc.
 3561      558       1264       Cable & Wireless USA
  174      526       2759       PSINet Inc.
 3549      514        495       Global Crossing
 4293      480         52       Cable & Wireless USA
  702      466        662       UUNET Technologies, Inc.
  209      451        676       Qwest
 2764      427        147       connect.com.au pty ltd
  690      416         49       Merit Network
 2548      398        522       Digital Express Group, Inc.
 3301      390        337       TeliaNet Sweden
  703      378        204       UUNET Technologies, Inc.
 3908      375        262       Supernet, Inc.

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, 
65535   PRIVATE       203.24.169.0/24      17486       Swiftel Communicatio
65500   PRIVATE       203.166.86.0/24      10084       Western Australian I
 5555   UNALLOCATED   205.110.64.0/24        721       DLA Systems Automati
 5555   UNALLOCATED   205.110.68.0/22        721       DLA Systems Automati
 5555   UNALLOCATED   205.110.72.0/21        721       DLA Systems Automati
 5757   UNALLOCATED   207.19.224.0/24        701       UUNET Technologies, 

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

Network            Origin AS  Description
223.255.46.0/24       6853     GLOBAL-ONE-PORTUGAL
223.255.70.0/24       6853     GLOBAL-ONE-PORTUGAL

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

 /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
 /7:0        /8:22       /9:4       /10:4       /11:10      /12:29      
/13:67      /14:206     /15:329     /16:6926    /17:1129    /18:2107    
/19:6591    /20:5049    /21:4442    /22:6739    /23:8639    /24:59346   
/25:275     /26:397     /27:209     /28:190     /29:129     /30:125     
/31:1       /32:58      

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

   9:3        12:354      13:10       15:1        17:1        24:717    
  26:1        32:12       38:7        44:3        47:1        53:2      
  55:1        57:12       61:28       62:129      63:1914     64:1461   
  65:765      66:271     128:31      129:114     130:20      131:25     
 132:9       133:1       134:168     135:8       136:16      137:116    
 138:203     139:52      140:140     141:174     142:56      143:76     
 144:135     145:9       146:134     147:134     148:151     149:132    
 150:27      151:176     152:827     153:33      154:13      155:77     
 156:39      157:105     158:61      159:81      160:19      161:56     
 162:61      163:134     164:104     165:127     166:175     167:132    
 168:81      169:32      170:210     171:2       192:5378    193:1905   
 194:2056    195:769     196:377     198:3670    199:3376    200:1896   
 202:2482    203:5008    204:3380    205:2243    206:2727    207:2823   
 208:2910    209:3228    210:481     211:193     212:809     213:394    
 214:8       215:11      216:2859    217:192     223:2      

End of report
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