WHOIS

Lookup an IP or domain. Uses IANA referral first, then registry WHOIS.

Query

2001:468:c80:4101:0:100:0:42

IANA

whois.iana.org

Referred

whois.arin.net

WHOIS servers can rate limit. Results are cached for performance.

### IANA response (whois.iana.org)

% IANA WHOIS server
% for more information on IANA, visit http://www.iana.org
% This query returned 1 object

inet6num:     2001:400:0:0:0:0:0:0/23
organisation: ARIN
status:       ALLOCATED

whois:        whois.arin.net

changed:      1999-07-01
source:       IANA

### Registry response (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 1997-2026, American Registry for Internet Numbers, Ltd.
#


#
# Query terms are ambiguous.  The query is assumed to be:
#     "n 2001:468:c80:4101:0:100:0:42"
#
# Use "?" to get help.
#

Internet2 INTERNET2 (NET6-2001-468-1) 2001:468:: - 2001:468:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF
University of Maryland INTERNET2-MAX-V6 (NET6-2001-468-C00-1) 2001:468:C00:: - 2001:468:CFF:FFFF:FFFF:FFFF:FFFF:FFFF



#
# 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 1997-2026, American Registry for Internet Numbers, Ltd.
#