APNIC - Query the APNIC Whois Database

To assist you with debugging problems, this whois query was received from IP Address
[3.144.23.154]

% 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:       156.111.0.0 - 156.111.255.255
CIDR:           156.111.0.0/16
NetName:        CPMC
NetHandle:      NET-156-111-0-0-1
Parent:         NET156 (NET-156-0-0-0-0)
NetType:        Direct Allocation
OriginAS:       
Organization:   The Trustees of Columbia University in the City of New York (CMC-28)
RegDate:        1992-01-06
Updated:        2021-12-14
Ref:            https://rdap.arin.net/registry/ip/156.111.0.0

OrgName:        The Trustees of Columbia University in the City of New York
OrgId:          CMC-28
Address:        630 West 168th Street
Address:        PH-18 Room 106
City:           New York
StateProv:      NY
PostalCode:     10032
Country:        US
RegDate:        1992-01-06
Updated:        2014-06-02
Ref:            https://rdap.arin.net/registry/entity/CMC-28

OrgAbuseHandle: ZN80-ARIN
OrgAbuseName:   New York Presbyterian Hospital
OrgAbusePhone:  +1-212-305-3855 
OrgAbuseEmail:  core-mgrs@nyp.org
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ZN80-ARIN

OrgTechHandle: NOC18033-ARIN
OrgTechName:   Network Operations Center
OrgTechPhone:  +1-212-305-3855 
OrgTechEmail:  core-mgrs@nyp.org
OrgTechRef:    https://rdap.arin.net/registry/entity/NOC18033-ARIN

OrgNOCHandle: NOC18033-ARIN
OrgNOCName:   Network Operations Center
OrgNOCPhone:  +1-212-305-3855 
OrgNOCEmail:  core-mgrs@nyp.org
OrgNOCRef:    https://rdap.arin.net/registry/entity/NOC18033-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.
#

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

7 records found for '156.111.111.161'

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: