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invalid prefixes advertised
- Subject: invalid prefixes advertised
- From: Jan Oravec <[email protected]> (Jan Oravec)
- Date: Tue, 4 Dec 2001 22:53:35 +0100
Hello,
I see a lot of invalid prefixes advertised in BGP table received from
several peers of XS26 network.
If I ignore non-aggregated prefixes received, the following invalid prefixes
are in global BGP:
2001:4b00::/35 0 8277 15589 11630 i
- not delegated
2001:a00::/35 0 8277 15589 1275 i
- according to IANA, not delegated
2002:a00::/35 0 8277 15589 1275 i
- same AS source - 1275 - configuration error? -> 6to4 of 10.0.0.0/19
2003::/16 0 8277 45328 278 237 5761 ?
- according to whois.arin.net:
$ whois -a 5761
Microsoft Corporation (ASN-MSN-SEATTLE)
One Microsoft Way
Redmond, WA 98052-6399
US
Autonomous System Name: MSN-SEATTLE
Autonomous System Number: 5761
Coordinator:
Whipple, David (DW727-ARIN) [email protected]
206-703-3876
- according to IANA, 2003::/16 is not delegated
peers of Microsoft, please filter bogus updates or cancel peering
Best Regards,
Jan Oravec
XS26 - 'Access to IPv6'
[email protected]