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[bgp-stats] Routing Table Report



*  BGP Statistics focusing on the Asia Pacific Region *
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Routing Table Report   22 Apr, 2001

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

BGP routing table entries examined:                            103670
Origin ASes present in the Internet Routing Table:              10629
Origin ASes announcing only one prefix:                          3852
Transit ASes present in the Internet Routing Table:              1420
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:             30
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:                 1239018658
    Equivalent to 73 /8s, 217 /16s and 236 /24s
    Percentage of available address space announced:             33.4
    Percentage of allocated address space announced:             65.6
    Percentage of available address space allocated:             51.0

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

Prefixes being announced by APNIC Region ASes:                  15754
Prefixes being announced from the APNIC address blocks:         14275
APNIC Region origin ASes present in the Internet Routing Table:  1232
APNIC Region origin ASes announcing only one prefix:              442
APNIC Region transit ASes present in the Internet Routing Table:  197
Average APNIC Region AS path length visible:                      5.0
    Max APNIC Region AS path length visible:                       14
Number of APNIC addresses announced to Internet:             71456446
    Equivalent to 4 /8s, 66 /16s and 86 /24s
    Percentage of available APNIC address space announced:       70.3

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:                   71698
Prefixes being announced from the ARIN address blocks:          49076
ARIN Region origin ASes present in the Internet Routing Table:   6469
ARIN Region origin ASes announcing only one prefix:              1923
ARIN Region transit ASes present in the Internet Routing Table:   681
Average ARIN Region AS path length visible:                       5.2
    Max ARIN Region AS path length visible:                        14
Number of ARIN addresses announced to Internet:             180600391
    Equivalent to 10 /8s, 195 /16s and 190 /24s
    Percentage of available ARIN address space announced:        82.8

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:                   16188
Prefixes being announced from the RIPE address blocks:          12879
RIPE Region origin ASes present in the Internet Routing Table:   2931
RIPE Region origin ASes announcing only one prefix:              1487
RIPE Region transit ASes present in the Internet Routing Table:   540
Average RIPE Region AS path length visible:                       5.9
    Max RIPE Region AS path length visible:                        18
Number of RIPE addresses announced to Internet:              96756193
    Equivalent to 5 /8s, 196 /16s and 97 /24s
    Percentage of available RIPE address space announced:        82.4

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     1996        684       Telstra
 2764      425        147       connect.com.au pty ltd
  703      390        205       UUNET Technologies, Inc.
 2907      363        875       SINET Japan
 4755      350        113       VSNL India
 4538      236       1038       China Education and Research 
 7539      224        101       Delegated to TWNIC for subseq
 4134      189        620       Data Communications Bureau
 4766      187        770       KORnet Powered BY Korea Telec
 7474      180         85       Optus Communications
 9269      161         22       Hong Kong CTI
 1237      155         70       System Engineering Research I
 4740      154         10       Ozemail
 7657      153         12       The Internet Group Limited
17561      151         61       Internet service provision to
 7545      147         10       TPG Internet Pty Ltd
 4786      129          7       NetConnect Communications Pty
 7617      124         46       One.Net Pty Ltd
 7586      123          9       Paradox Digital Pty. Ltd
 9443      121         22       INTERNETPRIMUS-AS-A

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

  ASN   No of nets  /19 equiv  Description
  702      473        644       UUNET Technologies, Inc.
 3301      389        337       TeliaNet Sweden
 1270      279        448       UUNET Germany
 1257      277        247       Swipnet AB
  680      207        914       Deutschef Forschurgsnetz
 3215      207        228       RAIN
 5515      190        336       Sonera Finland
  719      189        146       LANLINK
  786      185        959       JANET IP Service
 3320      160        710       Deutsche Telekom AG
 3352      147        244       Ibernet, Internet A
 5400      129         41       Concert Internet Plus Europea
  517      127        134       Xlink
 3303      123        298       Swisscom
 2856      122        388       BTnet UK Regional network
 1290      116        206       PSINet UK Ltd.
 8708      116          5       Romania Data System
 1849      107        223       UUNET UK (formerly PIPEX)
 1267      100        978       IUnet S.p.A
 2830       98         47       UUNET UK (formerly PIPEX)

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

  ASN   No of nets  /19 equiv  Description
  701     2405       3615       UUNET Technologies, Inc.
  705     1619         69       UUNET Technologies, Inc.
    1      958       4480       BBN Planet
 7018      957       3166       AT&T
 7046      792        552       UUNET Technologies, Inc.
 1239      641       1588       Sprint ICM-Inria
 2914      606       1202       Verio, Inc.
 3561      564       1249       Cable & Wireless USA
  174      530       2753       PSINet Inc.
 3549      500        514       Global Crossing
 4293      481         52       Cable & Wireless USA
  209      445        707       Qwest
  690      426         51       Merit Network
 2548      407        514       Digital Express Group, Inc.
 3908      375        262       Supernet, Inc.
 8151      360        218       UniNet S.A. de C.V.
 4323      337        136       Time Warner Communications, I
 3967      336        226       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     2405       3615       UUNET Technologies, Inc.
 1221     1996        684       Telstra
  705     1619         69       UUNET Technologies, Inc.
    1      958       4480       BBN Planet
 7018      957       3166       AT&T
 7046      792        552       UUNET Technologies, Inc.
 1239      641       1588       Sprint ICM-Inria
 2914      606       1202       Verio, Inc.
 3561      564       1249       Cable & Wireless USA
  174      530       2753       PSINet Inc.
 3549      500        514       Global Crossing
 4293      481         52       Cable & Wireless USA
  702      473        644       UUNET Technologies, Inc.
  209      445        707       Qwest
  690      426         51       Merit Network
 2764      425        147       connect.com.au pty ltd
 2548      407        514       Digital Express Group, Inc.
  703      390        205       UUNET Technologies, Inc.
 3301      389        337       TeliaNet Sweden
 3908      375        262       Supernet, Inc.

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

Bad AS  Designation  Network              Transit AS  Description
65515   PRIVATE       62.229.132.0/24       8876       Global One Turkey IP
60002   RESERVED      64.76.148.0/24       19583       CHILE S.A. 
 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, 
60002   RESERVED      200.9.98.0/24         6429       RdC Internet
60002   RESERVED      200.9.99.0/24         6429       RdC Internet
64532   PRIVATE       202.139.116.128/27    7474       Optus Communications
64532   PRIVATE       202.139.116.192/27    7474       Optus Communications
64532   PRIVATE       202.139.116.224/29    7474       Optus Communications
64532   PRIVATE       202.139.116.240/29    7474       Optus Communications
64532   PRIVATE       202.139.116.248/29    7474       Optus Communications
65535   PRIVATE       203.24.169.0/24      17486       Swiftel Communicatio
65500   PRIVATE       203.166.86.0/24      10084       Western Australian I
65002   PRIVATE       203.199.45.0/24       4755       VSNL India
65002   PRIVATE       203.199.46.0/24       4755       VSNL India
64555   PRIVATE       203.202.9.88/29       7474       Optus Communications
64560   PRIVATE       203.202.14.80/28      7474       Optus Communications
 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      /14:204     /15:328     /16:6937    /17:1127    /18:2106    
/19:6587    /20:5073    /21:4428    /22:6740    /23:8628    /24:59980   
/25:269     /26:406     /27:210     /28:193     /29:132     /30:125     
/31:1       /32:60      

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

   9:3        12:352      13:10       15:1        17:1        24:703    
  26:1        32:12       38:7        44:3        47:1        53:2      
  55:1        57:11       61:28       62:126      63:1926     64:1466   
  65:974      66:273     128:30      129:113     130:21      131:26     
 132:9       133:1       134:168     135:8       136:16      137:115    
 138:249     139:52      140:147     141:176     142:62      143:41     
 144:132     145:9       146:132     147:133     148:142     149:135    
 150:26      151:299     152:798     153:33      154:17      155:80     
 156:40      157:108     158:62      159:84      160:28      161:57     
 162:61      163:136     164:123     165:126     166:176     167:133    
 168:83      169:33      170:218     171:2       192:5408    193:1954   
 194:2041    195:772     196:404     198:3644    199:3384    200:1938   
 202:2502    203:5023    204:3371    205:2259    206:2718    207:2846   
 208:2899    209:3192    210:484     211:190     212:850     213:418    
 214:9       215:11      216:2924    217:196     223:2      

End of report
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