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
AS328818
AS Name
CASTLEROCK-AS
Organization
CASTLEROCK MANAGED IT SERVICES COMPANY
Registration Date
***@afrinic.net 20210319
Registrant
CASTLEROCK MANAGED IT SERVICES COMPANY
Raw Whois Data
aut-num:        AS328818
as-name:        CASTLEROCK-AS
descr:          CASTLEROCK MANAGED IT SERVICES COMPANY
status:         ASSIGNED
admin-c:        TS58-AFRINIC
admin-c:        AC73-AFRINIC
tech-c:         DC29-AFRINIC
tech-c:         AC73-AFRINIC
tech-c:         DH32-AFRINIC
org:            ORG-CMIS2-AFRINIC
mnt-by:         AFRINIC-HM-MNT
mnt-routes:     CASTLEROCK-MNT
notify:         ***@castlerock.co.za
notify:         ***@castlerock.co.za
changed:        ***@afrinic.net 20210319
changed:        ***@afrinic.net 20250227
source:         AFRINIC




--- ARIN Whois ---


#
# 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.
#


No match found for a AS328818.


#
# 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.
#

Related Tools

DNS lookup
View DNS resolution records