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
205.144.144.0/24
IP Range
205.144.144.0 - 205.144.159.255
CIDR
205.144.144.0/20
Network Name
CAGNET
Organization
CSG Systems Inc. (CSGSY-2)
Country/Region
US
Abuse Contact
[email protected]
Registration Date
1995-04-07
Update Date
2021-12-14
Registrant
CSG Systems Inc. (CSGSY-2)
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:       205.144.144.0 - 205.144.159.255
CIDR:           205.144.144.0/20
NetName:        CAGNET
NetHandle:      NET-205-144-144-0-1
Parent:         NET205 (NET-205-0-0-0-0)
NetType:        Direct Allocation
OriginAS:       
Organization:   CSG Systems Inc. (CSGSY-2)
RegDate:        1995-04-07
Updated:        2021-12-14
Ref:            https://rdap.arin.net/registry/ip/205.144.144.0


OrgName:        CSG Systems Inc.
OrgId:          CSGSY-2
Address:        2525 N 117th Ave
City:           Omaha
StateProv:      NE
PostalCode:     68164
Country:        US
RegDate:        2008-10-15
Updated:        2025-11-25
Ref:            https://rdap.arin.net/registry/entity/CSGSY-2


OrgAbuseHandle: KLEIN359-ARIN
OrgAbuseName:   Kleinsasser, Todd 
OrgAbusePhone:  +1-402-431-7877 
OrgAbuseEmail:  [email protected]
OrgAbuseRef:    https://rdap.arin.net/registry/entity/KLEIN359-ARIN

OrgTechHandle: KLEIN359-ARIN
OrgTechName:   Kleinsasser, Todd 
OrgTechPhone:  +1-402-431-7877 
OrgTechEmail:  [email protected]
OrgTechRef:    https://rdap.arin.net/registry/entity/KLEIN359-ARIN

OrgTechHandle: CNS22-ARIN
OrgTechName:   CSG Network Services
OrgTechPhone:  +1-402-431-7877 
OrgTechEmail:  [email protected]
OrgTechRef:    https://rdap.arin.net/registry/entity/CNS22-ARIN

OrgAbuseHandle: CNS22-ARIN
OrgAbuseName:   CSG Network Services
OrgAbusePhone:  +1-402-431-7877 
OrgAbuseEmail:  [email protected]
OrgAbuseRef:    https://rdap.arin.net/registry/entity/CNS22-ARIN

OrgNOCHandle: KLEIN359-ARIN
OrgNOCName:   Kleinsasser, Todd 
OrgNOCPhone:  +1-402-431-7877 
OrgNOCEmail:  [email protected]
OrgNOCRef:    https://rdap.arin.net/registry/entity/KLEIN359-ARIN

OrgNOCHandle: CNS22-ARIN
OrgNOCName:   CSG Network Services
OrgNOCPhone:  +1-402-431-7877 
OrgNOCEmail:  [email protected]
OrgNOCRef:    https://rdap.arin.net/registry/entity/CNS22-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.
#