routing stats

Philip Smith pfs at cisco.com
Mon Sep 18 23:55:08 EDT 2000


Hi Cathy,

So far I've received many favourable responses, so I will start posting the 
stats as from next week.

cheers,

philip
--

At 20:38 18/09/00 -0700, Cathy Wittbrodt wrote:

>Philip,
>
>How about if you post them to the list for now  and if
>there are any problems I will let you know.
>
>Thanks!
>---CJ
>
>     From: Philip Smith <pfs at cisco.com>
>     Subject: routing stats
>     Hi,
>
>     Some of you might be aware that I've been posting stats from the 
> Internet
>     routing table to the AsiaPacific Operators list 
> (apops at lists.apnic.net) and
>     to the RIPE Routing WG (routing-wg at ripe.net). I've also been producing
>     stats covering ARIN's region, but so far have not posted them anywhere
>     apart from the APNIC web site.
>
>     Basically I am examining the view of the Internet routing table as 
> obtained
>     from NSPIXP2 in Tokyo, mostly for the benefit of the AP region's 
> ISPs. At
>     the start of this year I extended it to cover the three RIR operating 
> regions.
>
>     Would it be interesting/appropriate if I posted the American summary to
>     this list? It is no more intrusive than the CIDR Report which Tony Bates
>     posts on a weekly basis to NANOG, and gives what I believe is a view 
> which
>     is more focused on the region covered by ARIN. I've included a sample
>     output at the end of this e-mail, fyi.
>
>     More information is displayed in graphical form on the APNIC web page,
>     specifically:
>
>         http://www.apnic.net/stats/bgp
>
>     best wishes!
>
>     philip
>     --
>
>     Americas and Southern Africa Report   15 Sep, 2000
>
>     Analysis Summary
>     ----------------
>
>     BGP routing table entries examined:                             88606
>     Origin ASes present in the Internet Routing Table:               8488
>     Origin ASes announcing only one prefix:                          2868
>     Transit ASes present in the Internet Routing Table:              1158
>     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:             17
>     Non-routable prefixes present in the Routing Table:                 0
>     Prefixes being announced from the IANA Reserved Address blocks:     1
>     Number of addresses announced to Internet:                 1155310504
>          Equivalent to 68 /8s, 220 /16s and 163 /24s
>          Percentage of available address space announced:             31.2
>          Percentage of allocated address space announced:             61.1
>          Percentage of available address space allocated:             51.0
>
>     ARIN Region Analysis Summary
>     ----------------------------
>
>     Prefixes being announced by ARIN Region ASes:                   60482
>     Prefixes being announced from the ARIN address blocks:          41206
>     ARIN Region origin ASes present in the Internet Routing Table:   5124
>     ARIN Region origin ASes announcing only one prefix:              1424
>     ARIN Region transit ASes present in the Internet Routing Table:   554
>     Average ARIN Region AS path length visible:                       5.2
>          Max ARIN Region AS path length visible:                        14
>     Number of ARIN addresses announced to Internet:             162718893
>          Equivalent to 9 /8s, 178 /16s and 228 /24s
>          Percentage of available ARIN address space announced:        74.6
>
>     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
>     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     2004       3396       UUNET Technologies, Inc.
>          1      929       4512       BBN Planet
>       7018      850       3002       AT&T
>        816      757        189       UUNET Canada4
>       2914      708       1336       Verio, Inc.
>       7046      700        525       UUNET Technologies, Inc.
>       1239      680       1585       Sprint ICM-Inria
>       3561      620       1535       Cable & Wireless USA
>        174      610       2741       PSINet Inc.
>        705      553         34       UUNET Technologies, Inc.
>       1785      553        786       Sprint ICM
>       3549      492        411       Frontier GlobalCenter
>        209      471        539       Qwest
>        271      467        380       BCnet Backbone
>       3908      444        277       Supernet, Inc.
>       3602      427         78       Sprint Canada
>       4293      417         63       Cable & Wireless USA
>       2548      414        520       Digital Express Group, Inc.
>        577      318        289       Bell Canada
>
>     Global Per AS prefix count summary
>     ----------------------------------
>
>        ASN   No of nets  /19 equiv  Description
>        701     2004       3396       UUNET Technologies, Inc.
>          1      929       4512       BBN Planet
>       1221      907        975       Telstra
>       7018      850       3002       AT&T
>        816      757        189       UUNET Canada4
>       2914      708       1336       Verio, Inc.
>       7046      700        525       UUNET Technologies, Inc.
>       1239      680       1585       Sprint ICM-Inria
>       3561      620       1535       Cable & Wireless USA
>        174      610       2741       PSINet Inc.
>        705      553         34       UUNET Technologies, Inc.
>       1785      553        786       Sprint ICM
>       3549      492        411       Frontier GlobalCenter
>        209      471        539       Qwest
>        271      467        380       BCnet Backbone
>       2764      463        130       connect.com.au pty ltd
>       3908      444        277       Supernet, Inc.
>       3602      427         78       Sprint Canada
>       4293      417         63       Cable & Wireless USA
>
>     List of Illegal AS's (Global)
>     -----------------------------
>
>     Bad AS  Designation  Network              Transit AS  Description
>     64602   PRIVATE       63.236.57.0/24         209       Qwest
>     64512   PRIVATE       64.44.159.0/24        7309       The Virtual 
> Marketin
>     64605   PRIVATE       208.47.206.0/24        209       Qwest
>
>     Advertised IANA Reserved Addresses
>     ----------------------------------
>
>     Network            Origin AS  Description
>     220.10.56.0/24        3215     RAIN
>
>     Number of prefixes announced per prefix length (Global)
>     -------------------------------------------------------
>
>       /1:0        /2:0        /3:0        /4:0        /5:0        /6:0
>       /7:0        /8:21       /9:4       /10:5       /11:9       /12:26
>     /13:56      /14:177     /15:289     /16:6632    /17:932     /18:1814
>     /19:5891    /20:3658    /21:3758    /22:5700    /23:7611    /24:51032
>     /25:248     /26:277     /27:85      /28:72      /29:98      /30:119
>     /31:0       /32:92
>
>     End of report
>     --------------------------------------------------------
>     Philip Smith                         ph: +61 7 3238 8200
>     Consulting Engineering, Office of the CTO, Cisco Systems
>     --------------------------------------------------------
>




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