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October 2026

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whois server surprisingly looks up items based on "netname" even when query is for ASN
by Ben Cartwright-Cox 06 Oct '26

06 Oct '26

A surprise I just encountered was I was checking AS215165 (who recently had their aut-num object deleted) and I was surprised to see the whois server reply back with a inetnum having (I assume) matched the netname instead! I know the whois server logic is a bit mythical but this seems like a obvious case of the clear intention of the user is not what is being delivered, and I assume this will confuse other programs as well What do we think? (Example output below)-- $ whois AS215165 % This is the RIPE Database query service. % The objects are in RPSL format. % % The RIPE Database is subject to Terms and Conditions. % See https://docs.db.ripe.net/terms-conditions.html % Note: this output has been filtered. % To receive output for a database update, use the "-B" flag. % Information related to '2a13:2200:a::/47' % Abuse contact for '2a13:2200:a::/47' is 'xxxx' inet6num: 2a13:2200:a::/47 netname: AS215165 # 2150 country: GB admin-c: YZS9-RIPE tech-c: YZS9-RIPE status: ALLOCATED-BY-LIR mnt-by: mnt-tw-sky-digital-1 created: 2025-02-25T02:19:45Z last-modified: 2025-02-28T02:42:00Z source: RIPE org: ORG-YZS3-RIPE

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