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
138.49.0.0/16
IP Range
138.49.0.0 - 138.49.255.255
CIDR
138.49.0.0/16
Network Name
UWLAX
Organization
University of Wisconsin-La Crosse (UNIVER-287-Z)
Country/Region
US
Abuse Contact
[email protected]
Registration Date
1990-02-06
Update Date
2025-02-28
Registrant
University of Wisconsin-La Crosse (UNIVER-287-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:       138.49.0.0 - 138.49.255.255
CIDR:           138.49.0.0/16
NetName:        UWLAX
NetHandle:      NET-138-49-0-0-1
Parent:         NET138 (NET-138-0-0-0-0)
NetType:        Direct Allocation
OriginAS:       
Organization:   University of Wisconsin-La Crosse (UNIVER-287-Z)
RegDate:        1990-02-06
Updated:        2025-02-28
Ref:            https://rdap.arin.net/registry/ip/138.49.0.0


OrgName:        University of Wisconsin-La Crosse
OrgId:          UNIVER-287-Z
Address:        1725 State Street
City:           La Crosse
StateProv:      WI
PostalCode:     54601
Country:        US
RegDate:        2024-02-14
Updated:        2026-06-30
Ref:            https://rdap.arin.net/registry/entity/UNIVER-287-Z


OrgTechHandle: BORNH19-ARIN
OrgTechName:   Bornheimer, Matthew 
OrgTechPhone:  +1-608-317-4428 
OrgTechEmail:  [email protected]
OrgTechRef:    https://rdap.arin.net/registry/entity/BORNH19-ARIN

OrgTechHandle: HAMEL38-ARIN
OrgTechName:   Hamel, Ryan 
OrgTechPhone:  +1-608-785-6618 
OrgTechEmail:  [email protected]
OrgTechRef:    https://rdap.arin.net/registry/entity/HAMEL38-ARIN

OrgAbuseHandle: BORNH19-ARIN
OrgAbuseName:   Bornheimer, Matthew 
OrgAbusePhone:  +1-608-317-4428 
OrgAbuseEmail:  [email protected]
OrgAbuseRef:    https://rdap.arin.net/registry/entity/BORNH19-ARIN

OrgAbuseHandle: HAMEL38-ARIN
OrgAbuseName:   Hamel, Ryan 
OrgAbusePhone:  +1-608-785-6618 
OrgAbuseEmail:  [email protected]
OrgAbuseRef:    https://rdap.arin.net/registry/entity/HAMEL38-ARIN

RAbuseHandle: BORNH19-ARIN
RAbuseName:   Bornheimer, Matthew 
RAbusePhone:  +1-608-317-4428 
RAbuseEmail:  [email protected]
RAbuseRef:    https://rdap.arin.net/registry/entity/BORNH19-ARIN

RNOCHandle: BORNH19-ARIN
RNOCName:   Bornheimer, Matthew 
RNOCPhone:  +1-608-317-4428 
RNOCEmail:  [email protected]
RNOCRef:    https://rdap.arin.net/registry/entity/BORNH19-ARIN

RTechHandle: BORNH19-ARIN
RTechName:   Bornheimer, Matthew 
RTechPhone:  +1-608-317-4428 
RTechEmail:  [email protected]
RTechRef:    https://rdap.arin.net/registry/entity/BORNH19-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.
#