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:       128.4.0.0 - 128.4.255.255
CIDR:           128.4.0.0/16
NetName:        UDEL-DCN
NetHandle:      NET-128-4-0-0-1
Parent:         NET128 (NET-128-0-0-0-0)
NetType:        Direct Allocation
OriginAS:       
Organization:   University of Delaware (UNIVER-19-Z)
RegDate:        1991-01-10
Updated:        2024-08-15
Ref:            https://rdap.arin.net/registry/ip/128.4.0.0

OrgName:        University of Delaware
OrgId:          UNIVER-19-Z
Address:        Information Technologies
Address:        192 South Chapel Street
City:           Newark
StateProv:      DE
PostalCode:     19716
Country:        US
RegDate:        2008-03-18
Updated:        2024-08-15
Ref:            https://rdap.arin.net/registry/entity/UNIVER-19-Z

OrgDNSHandle: UDELN-ARIN
OrgDNSName:   UDel NOC
OrgDNSPhone:  +1-302-831-6000 
OrgDNSEmail:  noc@udel.edu
OrgDNSRef:    https://rdap.arin.net/registry/entity/UDELN-ARIN

OrgTechHandle: NSS13-ARIN
OrgTechName:   Network and Systems Services
OrgTechPhone:  +1-302-831-6000 
OrgTechEmail:  noc@udel.edu
OrgTechRef:    https://rdap.arin.net/registry/entity/NSS13-ARIN

OrgAbuseHandle: UDELN-ARIN
OrgAbuseName:   UDel NOC
OrgAbusePhone:  +1-302-831-6000 
OrgAbuseEmail:  noc@udel.edu
OrgAbuseRef:    https://rdap.arin.net/registry/entity/UDELN-ARIN

OrgNOCHandle: UDELN-ARIN
OrgNOCName:   UDel NOC
OrgNOCPhone:  +1-302-831-6000 
OrgNOCEmail:  noc@udel.edu
OrgNOCRef:    https://rdap.arin.net/registry/entity/UDELN-ARIN

OrgRoutingHandle: NSS13-ARIN
OrgRoutingName:   Network and Systems Services
OrgRoutingPhone:  +1-302-831-6000 
OrgRoutingEmail:  noc@udel.edu
OrgRoutingRef:    https://rdap.arin.net/registry/entity/NSS13-ARIN

RTechHandle: DAVIS2708-ARIN
RTechName:   DAvis, Michael 
RTechPhone:  +1-302-831-6006 
RTechEmail:  davis@udel.edu
RTechRef:    https://rdap.arin.net/registry/entity/DAVIS2708-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.

10 records found for '128.4.61.141'

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

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