ARIN Region Weekly Routing Report

Routing Analysis cscora at dev.apnic.net
Thu Nov 9 13:02:57 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   10 Nov, 2000

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

BGP routing table entries examined:                             91017
Origin ASes present in the Internet Routing Table:               9009
Origin ASes announcing only one prefix:                          3116
Transit ASes present in the Internet Routing Table:              1242
Average AS path length visible in the Internet Routing Table:     5.5
    Max AS path length visible:                                    18
Illegal AS announcements present in the Routing Table:             25
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:                 1191386328
    Equivalent to 71 /8s, 3 /16s and 28 /24s
    Percentage of available address space announced:             32.1
    Percentage of allocated address space announced:             63.0
    Percentage of available address space allocated:             51.0

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

Prefixes being announced by ARIN Region ASes:                   63149
Prefixes being announced from the ARIN address blocks:          43602
ARIN Region origin ASes present in the Internet Routing Table:   5525
ARIN Region origin ASes announcing only one prefix:              1567
ARIN Region transit ASes present in the Internet Routing Table:   604
Average ARIN Region AS path length visible:                       5.2
    Max ARIN Region AS path length visible:                        15
Number of ARIN addresses announced to Internet:             167447890
    Equivalent to 9 /8s, 251 /16s and 13 /24s
    Percentage of available ARIN address space announced:        76.8

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 - 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     2148       3428       UUNET Technologies, Inc.
 7018      897       3034       AT&T
    1      884       4531       BBN Planet
  705      719         41       UUNET Technologies, Inc.
 7046      712        516       UUNET Technologies, Inc.
 1239      704       1621       Sprint ICM-Inria
 2914      676       1318       Verio, Inc.
  174      607       2939       PSINet Inc.
  816      569        157       UUNET Canada4
 3561      560       1382       Cable & Wireless USA
  209      537        563       Qwest
 8013      515         64       PSINet Ltd. Canada
 3549      483        428       Frontier GlobalCenter
  271      459        300       BCnet Backbone
 3908      437        289       Supernet, Inc.
 4293      436         56       Cable & Wireless USA
 2548      431        546       Digital Express Group, Inc.
 3602      419         74       Sprint Canada
  690      339         19       Merit Network

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

  ASN   No of nets  /19 equiv  Description
  701     2148       3428       UUNET Technologies, Inc.
 7018      897       3034       AT&T
    1      884       4531       BBN Planet
 1221      754        958       Telstra
  705      719         41       UUNET Technologies, Inc.
 7046      712        516       UUNET Technologies, Inc.
 1239      704       1621       Sprint ICM-Inria
 2914      676       1318       Verio, Inc.
  174      607       2939       PSINet Inc.
  816      569        157       UUNET Canada4
 3561      560       1382       Cable & Wireless USA
  209      537        563       Qwest
 8013      515         64       PSINet Ltd. Canada
 3549      483        428       Frontier GlobalCenter
  271      459        300       BCnet Backbone
 3908      437        289       Supernet, Inc.
 4293      436         56       Cable & Wireless USA
 2548      431        546       Digital Express Group, Inc.
 2764      425        129       connect.com.au pty ltd

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

Bad AS  Designation  Network              Transit AS  Description
64750   PRIVATE       63.67.32.0/24        15218       Communications 
65519   PRIVATE       64.124.60.0/24        6461       AboveNet Communicati
65519   PRIVATE       64.124.61.0/24        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
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       152.121.36.0/24        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, 
 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
39.144.212.0/24        174     PSINet Inc.
50.50.50.0/30         6713     Itissalat Al-MAGHRIB
60.60.60.0/30         6713     Itissalat Al-MAGHRIB

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       /10:5       /11:9       /12:32      
/13:58      /14:180     /15:288     /16:6709    /17:966     /18:1915    
/19:6046    /20:3970    /21:3922    /22:5872    /23:7613    /24:52791   
/25:124     /26:178     /27:81      /28:58      /29:95      /30:27      
/31:0       /32:52      

End of report



More information about the Rtma mailing list