Whois Lookup

Query registration info, expiration date, registrar and more for domain, IP or ASN

Example： google.com · baidu.com · github.com · 8.8.8.8 · 211.234.110.0/24 · AS13335
Registration Info
138.87.0.0/16
IP Range
138.87.0.0 - 138.87.255.255
CIDR
138.87.0.0/16
Network Name
ILSTU
Organization
Illinois State University (ISU-3-Z)
Country/Region
US
Abuse Contact
[email protected]
Registration Date
1990-04-19
Update Date
2023-12-01
Registrant
Illinois State University (ISU-3-Z)
Domain Status
Direct Allocation
Raw Whois Data
#
# 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:       138.87.0.0 - 138.87.255.255
CIDR:           138.87.0.0/16
NetName:        ILSTU
NetHandle:      NET-138-87-0-0-1
Parent:         NET138 (NET-138-0-0-0-0)
NetType:        Direct Allocation
OriginAS:       
Organization:   Illinois State University (ISU-3-Z)
RegDate:        1990-04-19
Updated:        2023-12-01
Ref:            https://rdap.arin.net/registry/ip/138.87.0.0


OrgName:        Illinois State University
OrgId:          ISU-3-Z
Address:        Administrative Technologies
Address:        Campus Box 3380
City:           Normal
StateProv:      IL
PostalCode:     61790-3380
Country:        US
RegDate:        2010-01-08
Updated:        2014-12-01
Ref:            https://rdap.arin.net/registry/entity/ISU-3-Z


OrgNOCHandle: ADMIN4406-ARIN
OrgNOCName:   Administrative Technologies
OrgNOCPhone:  +1-309-438-4357 
OrgNOCEmail:  [email protected]
OrgNOCRef:    https://rdap.arin.net/registry/entity/ADMIN4406-ARIN

OrgTechHandle: ADMIN4406-ARIN
OrgTechName:   Administrative Technologies
OrgTechPhone:  +1-309-438-4357 
OrgTechEmail:  [email protected]
OrgTechRef:    https://rdap.arin.net/registry/entity/ADMIN4406-ARIN

OrgAbuseHandle: ISUA-ARIN
OrgAbuseName:   Illinois State University - Abuse
OrgAbusePhone:  +1-309-438-4357 
OrgAbuseEmail:  [email protected]
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ISUA-ARIN

RTechHandle: ADMIN4406-ARIN
RTechName:   Administrative Technologies
RTechPhone:  +1-309-438-4357 
RTechEmail:  [email protected]
RTechRef:    https://rdap.arin.net/registry/entity/ADMIN4406-ARIN

RNOCHandle: ADMIN4406-ARIN
RNOCName:   Administrative Technologies
RNOCPhone:  +1-309-438-4357 
RNOCEmail:  [email protected]
RNOCRef:    https://rdap.arin.net/registry/entity/ADMIN4406-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.
#