nanog mailing list archives
Re: IP Prefixes are allocated ..
From: Jon Lewis <jlewis () lewis org>
Date: Mon, 28 Nov 2005 07:50:54 -0500 (EST)
On Mon, 28 Nov 2005, Glen Kent wrote:
to different Autonomous systems. Is there a central/distributed database somewhere that can tell me that this particular IP prefix (say x.y.z.w) has been given to foo AS number?
Prefixes aren't assigned to ASNs. They're assigned to organizations/networks. Those entities may have several ASNs or no ASN of their own. You can see what ASN(s) annnounce what prefixes by looking at BGP.
---------------------------------------------------------------------- Jon Lewis | I route Senior Network Engineer | therefore you are Atlantic Net | _________ http://www.lewis.org/~jlewis/pgp for PGP public key_________
Current thread:
- Re: IP Prefixes are allocated .., (continued)
- Re: IP Prefixes are allocated .. Christopher L. Morrow (Nov 27)
- Re: IP Prefixes are allocated .. Florian Weimer (Nov 27)
- Re: IP Prefixes are allocated .. william(at)elan.net (Nov 27)
- Re: IP Prefixes are allocated .. Bill Woodcock (Nov 27)
- Re: IP Prefixes are allocated .. Suresh Ramasubramanian (Nov 27)
- Re: IP Prefixes are allocated .. william(at)elan.net (Nov 27)
- Re: IP Prefixes are allocated .. Andrew - Supernews (Nov 27)
- Re: IP Prefixes are allocated .. Owen DeLong (Nov 28)
- Re: IP Prefixes are allocated .. Henry Linneweh (Nov 28)
- Re: IP Prefixes are allocated .. Bill Woodcock (Nov 28)
- Re: IP Prefixes are allocated .. Henry Linneweh (Nov 28)
- Re: IP Prefixes are allocated .. Jon Lewis (Nov 28)
- Re: IP Prefixes are allocated .. Joe Abley (Nov 28)