ARIN Region Weekly Routing Report

Routing Analysis cscora at dev.apnic.net
Thu Nov 23 13:06:16 EST 2000


This is an automated weekly mailing sent to the ARIN RTMA WG e-mail list
describing the state of the Internet Routing Table in North and South America
and Southern Africa. Daily listings are sent to bgp-stats at lists.apnic.net

For a graphical representation, please see http://www.apnic.net/stats/bgp.

If you have any comments please contact Philip Smith <pfs at cisco.com>.

Americas and Southern Africa Report   24 Nov, 2000

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

BGP routing table entries examined:                             94963
Origin ASes present in the Internet Routing Table:               9195
Origin ASes announcing only one prefix:                          3207
Transit ASes present in the Internet Routing Table:              1236
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:             23
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:                 1228704450
    Equivalent to 73 /8s, 60 /16s and 138 /24s
    Percentage of available address space announced:             33.1
    Percentage of allocated address space announced:             65.0
    Percentage of available address space allocated:             51.0

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

Prefixes being announced by ARIN Region ASes:                   65658
Prefixes being announced from the ARIN address blocks:          44648
ARIN Region origin ASes present in the Internet Routing Table:   5630
ARIN Region origin ASes announcing only one prefix:              1606
ARIN Region transit ASes present in the Internet Routing Table:   601
Average ARIN Region AS path length visible:                       5.2
    Max ARIN Region AS path length visible:                        15
Number of ARIN addresses announced to Internet:             185713010
    Equivalent to 11 /8s, 17 /16s and 193 /24s
    Percentage of available ARIN address space announced:        85.1

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 - 19455
ARIN Address Blocks    63/8, 64/7, 66/8, 199/8, 200/8, 204/6, 208/7 and 216/8

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

  ASN   No of nets  /19 equiv  Description
  701     2321       3438       UUNET Technologies, Inc.
    1     1000       4553       BBN Planet
  705      911         47       UUNET Technologies, Inc.
 7018      881       3038       AT&T
 1239      720       1645       Sprint ICM-Inria
 7046      684        526       UUNET Technologies, Inc.
 2914      671       1291       Verio, Inc.
  174      595       2733       PSINet Inc.
  209      550        563       Qwest
 3561      547       1342       Cable & Wireless USA
 6082      532         66       Management Analysis, Incorpor
 3549      487        413       Frontier GlobalCenter
  816      443        141       UUNET Canada4
 2548      442        546       Digital Express Group, Inc.
 4293      437         55       Cable & Wireless USA
 3602      436         80       Sprint Canada
 3908      434        289       Supernet, Inc.
  690      342         28       Merit Network
  271      335        299       BCnet Backbone

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

  ASN   No of nets  /19 equiv  Description
  701     2321       3438       UUNET Technologies, Inc.
    1     1000       4553       BBN Planet
 1221      926        984       Telstra
  705      911         47       UUNET Technologies, Inc.
 7018      881       3038       AT&T
 1239      720       1645       Sprint ICM-Inria
 7046      684        526       UUNET Technologies, Inc.
 2914      671       1291       Verio, Inc.
  174      595       2733       PSINet Inc.
 2563      588         82       Seoul National University
  209      550        563       Qwest
 3561      547       1342       Cable & Wireless USA
 6082      532         66       Management Analysis, Incorpor
 1309      492        133       INRIA
 3549      487        413       Frontier GlobalCenter
 2764      446        128       connect.com.au pty ltd
  816      443        141       UUNET Canada4
 2548      442        546       Digital Express Group, Inc.
 4293      437         55       Cable & Wireless USA

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

Bad AS  Designation  Network              Transit AS  Description
65318   PRIVATE       62.179.0.0/19         6830       chello broadband
 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
64621   PRIVATE       152.121.2.0/24         701       UUNET Technologies, 
64621   PRIVATE       152.121.3.0/24         701       UUNET Technologies, 
64621   PRIVATE       152.121.4.0/24         701       UUNET Technologies, 
64621   PRIVATE       152.121.33.0/24        701       UUNET Technologies, 
64621   PRIVATE       152.121.49.0/24        701       UUNET Technologies, 
64621   PRIVATE       152.121.100.0/24       701       UUNET Technologies, 
64621   PRIVATE       152.121.200.0/24       701       UUNET Technologies, 
64621   PRIVATE       152.121.255.0/24       701       UUNET Technologies, 
 1877   UNALLOCATED   192.108.196.0/24      1880       Stupi, house man's 
 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      1880       Stupi, house man's 
 5757   UNALLOCATED   192.239.13.0/24        701       UUNET Technologies, 
65534   PRIVATE       203.177.23.0/24       4775       G-Net
 5757   UNALLOCATED   207.19.224.0/24        701       UUNET Technologies, 
57158   RESERVED      210.56.192.0/20       4628       Pacific Internet Pte

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

Network            Origin AS  Description
91.16.23.0/24        11770     Net56
219.219.219.0/24      2563     Seoul National University

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

 /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
 /7:0        /8:24       /9:4       /10:5       /11:9       /12:32      
/13:56      /14:181     /15:289     /16:6727    /17:982     /18:1937    
/19:6091    /20:4109    /21:4026    /22:6177    /23:8162    /24:55056   
/25:229     /26:428     /27:95      /28:80      /29:84      /30:90      
/31:0       /32:90      

End of report



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