APNIC - Query the APNIC Whois Database

To assist you with debugging problems, this whois query was received from IP Address
[216.73.216.89]

% 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:       129.112.0.0 - 129.112.255.255
CIDR:           129.112.0.0/16
NetName:        UTSWMED
NetHandle:      NET-129-112-0-0-1
Parent:         NET129 (NET-129-0-0-0-0)
NetType:        Direct Allocation
OriginAS:       
Organization:   University of Texas Southwestern Medical Center (USMCAD-Z)
RegDate:        1987-11-06
Updated:        2024-09-09
Ref:            https://rdap.arin.net/registry/ip/129.112.0.0

OrgName:        University of Texas Southwestern Medical Center
OrgId:          USMCAD-Z
Address:        5323 Harry Hines
City:           Dallas
StateProv:      TX
PostalCode:     75235-8595
Country:        US
RegDate:        2024-01-12
Updated:        2024-02-21
Ref:            https://rdap.arin.net/registry/entity/USMCAD-Z

OrgAbuseHandle: USMC-ARIN
OrgAbuseName:   UT Southwestern Medical Center
OrgAbusePhone:  +1-214-648-0642 
OrgAbuseEmail:  domains@utsouthwestern.edu
OrgAbuseRef:    https://rdap.arin.net/registry/entity/USMC-ARIN

OrgTechHandle: USMC-ARIN
OrgTechName:   UT Southwestern Medical Center
OrgTechPhone:  +1-214-648-0642 
OrgTechEmail:  domains@utsouthwestern.edu
OrgTechRef:    https://rdap.arin.net/registry/entity/USMC-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 '129.112.109.43'

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: