APNIC - Query the APNIC Whois Database

To assist you with debugging problems, this whois query was received from IP Address
[216.73.216.57]

% 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:       170.138.0.0 - 170.138.255.255
CIDR:           170.138.0.0/16
NetName:        EMDEON-BUSINESS-SERVICES-LLC
NetHandle:      NET-170-138-0-0-1
Parent:         NET170 (NET-170-0-0-0-0)
NetType:        Direct Allocation
OriginAS:       
Organization:   UnitedHealth Group Incorporated (UHC-5)
RegDate:        1994-05-18
Updated:        2025-05-20
Ref:            https://rdap.arin.net/registry/ip/170.138.0.0

OrgName:        UnitedHealth Group Incorporated
OrgId:          UHC-5
Address:        IP & DNS Team
Address:        6150 Trenton Lane
City:           Plymouth
StateProv:      MN
PostalCode:     55442
Country:        US
RegDate:        1994-05-23
Updated:        2012-03-15
Ref:            https://rdap.arin.net/registry/entity/UHC-5

OrgTechHandle: UHNO-ARIN
OrgTechName:   United Healthcare Network OC
OrgTechPhone:  +1-763-744-1588 
OrgTechEmail:  inet_ops@uhc.com
OrgTechRef:    https://rdap.arin.net/registry/entity/UHNO-ARIN

OrgAbuseHandle: UHNO-ARIN
OrgAbuseName:   United Healthcare Network OC
OrgAbusePhone:  +1-763-744-1588 
OrgAbuseEmail:  inet_ops@uhc.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/UHNO-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 '170.138.0.11'

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: