[119567] in North American Network Operators' Group
Re: Who has AS 1712?
daemon@ATHENA.MIT.EDU (Daniel Karrenberg)
Tue Nov 24 02:49:04 2009
Date: Tue, 24 Nov 2009 08:48:17 +0100
From: Daniel Karrenberg <daniel.karrenberg@ripe.net>
To: Stephane Bortzmeyer <bortzmeyer@nic.fr>
Mail-Followup-To: Stephane Bortzmeyer <bortzmeyer@nic.fr>,
nanog@nanog.org
In-Reply-To: <20091123151043.GA11349@nic.fr>
Cc: nanog@nanog.org
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
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RIS Routing History for AS1712 since 2001:
AS From To avg #peers
12.196.66.0/23 AS1712 20091026 08:00Z 20091026 16:00Z 88
137.194.0.0/16 AS1712 20011220 16:00Z 20031231 16:00Z 39
20040101 00:00Z 20040312 16:00Z 54
20040315 08:00Z 20040402 16:00Z 44
20040405 08:00Z 20061231 16:00Z 63
20070101 00:00Z 20091122 00:00Z 101
74.118.148.0/22 AS1712 20091026 08:00Z 20091122 00:00Z 88
74.118.148.0/24 AS1712 20091018 00:00Z 20091026 00:00Z 83
74.118.149.0/24 AS1712 20091019 16:00Z 20091026 00:00Z 86
74.118.150.0/24 AS1712 20091020 00:00Z 20091026 00:00Z 87
74.118.151.0/24 AS1712 20091020 00:00Z 20091026 00:00Z 87
See also colorful graph attached.
Interpretation:
137.194.0.0/16 is assigned to ENST and has been announced by AS1712 since 2001. See also:
http://albatross.ripe.net/cgi-bin/rex.pl?type=all&res=137.194.0.0/16&stime=2001-01-01&etime=2009-11-23&page=routing&cf=1&af=1
Other announcements from AS1712 have appeared on 20091018
imost ceased on 20091026, about a month ago.
74.118.148.0/22 is still there and needs to be addressed.
http://albatross.ripe.net/cgi-bin/rex.pl?res=74.118.148.0%2F22&type=all&stime=2008-11-23&etime=2009-11-23&cf=1&af=1&page=routing
I am sure the RIRs concerned will learn from this and this thread already
contains good suggestions about what/how to learn.
Daniel
PS: And yes we are going to make the REX tool for querying ASes available soon.
Keep watching labs.ripe.net.
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