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:       128.10.0.0 - 128.10.255.255
CIDR:           128.10.0.0/16
NetName:        PURDUE-CS-EN
NetHandle:      NET-128-10-0-0-1
Parent:         NET128 (NET-128-0-0-0-0)
NetType:        Direct Allocation
OriginAS:       
Organization:   Purdue University (PURDUE-Z)
RegDate:        1984-08-01
Updated:        2022-10-20
Ref:            https://rdap.arin.net/registry/ip/128.10.0.0

OrgName:        Purdue University
OrgId:          PURDUE-Z
Address:        Information Technology
Address:        155 S. Grant Street
City:           West Lafayette
StateProv:      IN
PostalCode:     47907-2114
Country:        US
RegDate:        2022-10-09
Updated:        2025-12-15
Ref:            https://rdap.arin.net/registry/entity/PURDUE-Z

OrgAbuseHandle: PUISP-ARIN
OrgAbuseName:   Purdue University STEAM-CIRT
OrgAbusePhone:  +1-765-496-1666 
OrgAbuseEmail:  abuse@purdue.edu
OrgAbuseRef:    https://rdap.arin.net/registry/entity/PUISP-ARIN

OrgTechHandle: PURDU-ARIN
OrgTechName:   Purdue Hostmaster
OrgTechPhone:  +1-765-496-7272 
OrgTechEmail:  hostmaster@purdue.edu
OrgTechRef:    https://rdap.arin.net/registry/entity/PURDU-ARIN

OrgDNSHandle: PURDU-ARIN
OrgDNSName:   Purdue Hostmaster
OrgDNSPhone:  +1-765-496-7272 
OrgDNSEmail:  hostmaster@purdue.edu
OrgDNSRef:    https://rdap.arin.net/registry/entity/PURDU-ARIN

OrgTechHandle: SCHNE483-ARIN
OrgTechName:   Schneider, Mark 
OrgTechPhone:  +1-765-496-6981 
OrgTechEmail:  xanawatt@kitauji.net
OrgTechRef:    https://rdap.arin.net/registry/entity/SCHNE483-ARIN

OrgNOCHandle: PNOC-ARIN
OrgNOCName:   Purdue Network Operations Center
OrgNOCPhone:  +1-765-494-4000 
OrgNOCEmail:  noc@purdue.edu
OrgNOCRef:    https://rdap.arin.net/registry/entity/PNOC-ARIN

OrgTechHandle: BAC22-ARIN
OrgTechName:   Clayton, Bradley Al
OrgTechPhone:  +1-765-494-5937 
OrgTechEmail:  bac@purdue.edu
OrgTechRef:    https://rdap.arin.net/registry/entity/BAC22-ARIN

OrgRoutingHandle: PNOC-ARIN
OrgRoutingName:   Purdue Network Operations Center
OrgRoutingPhone:  +1-765-494-4000 
OrgRoutingEmail:  noc@purdue.edu
OrgRoutingRef:    https://rdap.arin.net/registry/entity/PNOC-ARIN

OrgTechHandle: JUSTI129-ARIN
OrgTechName:   McIntyre, Justin A
OrgTechPhone:  +1-765-496-7272 
OrgTechEmail:  mcintyrj@purdue.edu
OrgTechRef:    https://rdap.arin.net/registry/entity/JUSTI129-ARIN

RTechHandle: DT50-ARIN
RTechName:   Trinkle, Daniel 
RTechPhone:  +1-765-494-7844 
RTechEmail:  trinkle@purdue.edu
RTechRef:    https://rdap.arin.net/registry/entity/DT50-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.

13 records found for '128.10.19.53'

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: