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% APNIC found the following authoritative answer from: whois.arin.net
# # ARIN WHOIS data and services are subject to the Terms of Use # available at: https://www.arin.net/resources/registry/whois/tou/ # # If you see inaccuracies in the results, please report at # https://www.arin.net/resources/registry/whois/inaccuracy_reporting/ # # Copyright 1997-2024, American Registry for Internet Numbers, Ltd. #
CERFnet CERFNET-BLK-5 (NET-63-240-0-0-1) 63.240.0.0 - 63.242.255.255 AT&T MFS-NB 2.0-- Mesa, AZ - Trial ATTENS-006732-004870 (NET-63-241-173-0-1) 63.241.173.0 - 63.241.173.255
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Query hints
Include "AS" in front of an AS number.Example: AS4808
Include "-t" (template only) or "-v" (template and description) in front of an object name to view the templateExample: -t inetnum
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