APNIC - Query the APNIC Whois Database

To assist you with debugging problems, this whois query was received from IP Address
[216.73.217.19]

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

NetRange:       152.121.0.0 - 152.123.255.255
CIDR:           152.121.0.0/16, 152.122.0.0/15
NetName:        USDT-1
NetHandle:      NET-152-121-0-0-1
Parent:         NET152 (NET-152-0-0-0-0)
NetType:        Direct Allocation
OriginAS:       
Organization:   U. S. Department of Transportation (USDT-1)
RegDate:        1991-08-15
Updated:        2026-05-18
Ref:            https://rdap.arin.net/registry/ip/152.121.0.0

OrgName:        U. S. Department of Transportation
OrgId:          USDT-1
Address:        1200 New Jersey Ave. S.E.
City:           Washington
StateProv:      DC
PostalCode:     20590
Country:        US
RegDate:        1993-04-22
Updated:        2026-07-14
Ref:            https://rdap.arin.net/registry/entity/USDT-1

OrgAbuseHandle: NETWO3558-ARIN
OrgAbuseName:   Network Engineering
OrgAbusePhone:  +1-202-385-4357 
OrgAbuseEmail:  list-ost-net-team@dot.gov
OrgAbuseRef:    https://rdap.arin.net/registry/entity/NETWO3558-ARIN

OrgTechHandle: NETWO3558-ARIN
OrgTechName:   Network Engineering
OrgTechPhone:  +1-202-385-4357 
OrgTechEmail:  list-ost-net-team@dot.gov
OrgTechRef:    https://rdap.arin.net/registry/entity/NETWO3558-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 1997-2026, American Registry for Internet Numbers, Ltd.
#

Bold: Object type.
Underlined: Primary key(s).
Hyperlinks: Searchable Attributes.

6 records found for '152.121.19.17'

Search for
IP address lookups		Miscellaneous queries
-l	1st level less specific	-i	Inverse attributes
-L	All less specific	-T	Object types
-m	1st level more specific	-T	Object types
-M	All more specific	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
-d	Associated reverse domain

For more information see: