To assist you with debugging problems, this whois query was received from IP Address:

18.221.190.79

% 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 1997-2025, American Registry for Internet Numbers, Ltd.
#
NetRange:166.71.0.0 - 166.71.255.255
CIDR:166.71.0.0/16
NetName:GLAXOSMITHKLINE
NetHandle:NET-166-71-0-0-1
Parent:NET166 (NET-166-0-0-0-0)
NetType:Direct Allocation
OriginAS:
Organization:GlaxoSmithKline (SBC-92)
RegDate:1993-10-28
Updated:2021-12-14
Ref:https://rdap.arin.net/registry/ip/166.71.0.0
OrgName:GlaxoSmithKline
OrgId:SBC-92
Address:5 Crescent Drive
City:Philadelphia
StateProv:PA
PostalCode:19112
Country:US
RegDate:2007-03-13
Updated:2021-02-10
Ref:https://rdap.arin.net/registry/entity/SBC-92
OrgAbuseHandle:GSKCS-ARIN
OrgAbuseName:GSK-CSIR
OrgAbusePhone:+1-215-751-4000
OrgAbuseEmail:csir@gsk.com
OrgAbuseRef:https://rdap.arin.net/registry/entity/GSKCS-ARIN
OrgTechHandle:GSKTE-ARIN
OrgTechName:GSK-TECH
OrgTechPhone:+1-215-751-4000
OrgTechEmail:addrmgmt@gsk.com
OrgTechRef:https://rdap.arin.net/registry/entity/GSKTE-ARIN
#
# 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 1997-2025, American Registry for Internet Numbers, Ltd.
#

e.g. 203.119.42.0/24

IP address lookups Miscellaneous queries
-l

1st level less specific

Returns smallest IP address range that includes the queried IP address or range

-i

Inverse attributes

Returns objects with an attribute that matches the query text and attribute type
-L

All less specific

Return all larger IP address ranges that include the queried IP address or range

-T

Object types

Results that match the query and are of a specified object type
-m

1st level more specific

Returns first level more specific address ranges within the boundaries of the queried IP address range
-M

All more specific

Returns all more specific address ranges within the boundaries of the queried IP address range

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 template
    Example: -t inetnum

-x

Exact match only

Returns address range that exactly matches the queried IP address range
-d

Associated reverse domain

Returns IP address range and associated reverse domain

Javascript disabled

Please re-enable javascript, or use the legacy whois search form.