WHOIS

Lookup an IP or domain. Uses IANA referral first, then registry WHOIS.
Query
66.161.231.242
IANA
whois.iana.org
Referred
whois.arin.net
WHOIS servers can rate limit. Results are cached for performance.
### IANA response (whois.iana.org)

% IANA WHOIS server
% for more information on IANA, visit http://www.iana.org
% This query returned 1 object

refer:        whois.arin.net

inetnum:      66.0.0.0 - 66.255.255.255
organisation: ARIN
status:       ALLOCATED

whois:        whois.arin.net

changed:      2000-07
source:       IANA

### Registry response (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.
#


#
# Query terms are ambiguous.  The query is assumed to be:
#     "n 66.161.231.242"
#
# Use "?" to get help.
#

NetRange:       66.161.128.0 - 66.161.255.255
CIDR:           66.161.128.0/17
NetName:        FUSE-NET-BLK-3
NetHandle:      NET-66-161-128-0-1
Parent:         NET66 (NET-66-0-0-0-0)
NetType:        Direct Allocation
OriginAS:       
Organization:   Altafiber (FIAI)
RegDate:        2001-09-06
Updated:        2012-03-02
Comment:        ADDRESSES WITHIN THIS BLOCK ARE NON-PORTABLE
Comment:        
Comment:        ********************************************
Comment:        Reassignment information for this block is
Comment:        available at rwhois.fuse.net port 4321
Comment:        ********************************************
Ref:            https://rdap.arin.net/registry/ip/66.161.128.0


OrgName:        Altafiber
OrgId:          FIAI
Address:        209 W. Seventh St.
City:           Cincinnati
StateProv:      OH
PostalCode:     45202
Country:        US
RegDate:        1998-09-11
Updated:        2025-07-09
Comment:        *** For Abuse Issues Call 513.565.9707 or Email
Comment:        abuse@fuse.net ****
Ref:            https://rdap.arin.net/registry/entity/FIAI

ReferralServer:  rwhois://rwhois.fuse.net:4321

OrgTechHandle: GOODW273-ARIN
OrgTechName:   Goodwin, Eric 
OrgTechPhone:  +1-513-265-2769 
OrgTechEmail:  eric.goodwin@altafiber.com
OrgTechRef:    https://rdap.arin.net/registry/entity/GOODW273-ARIN

OrgTechHandle: MORRI1305-ARIN
OrgTechName:   Morris, William 
OrgTechPhone:  +1-513-835-0412 
OrgTechEmail:  william.morris@altafiber.com
OrgTechRef:    https://rdap.arin.net/registry/entity/MORRI1305-ARIN

OrgTechHandle: DPM35-ARIN
OrgTechName:   Murray, Daniel Patrick
OrgTechPhone:  +1-513-608-7126 
OrgTechEmail:  dan.murray@altafiber.com
OrgTechRef:    https://rdap.arin.net/registry/entity/DPM35-ARIN

OrgTechHandle: RONAN14-ARIN
OrgTechName:   Ronan, Eric 
OrgTechPhone:  +1-513-509-2517 
OrgTechEmail:  eric.ronan@altafiber.com
OrgTechRef:    https://rdap.arin.net/registry/entity/RONAN14-ARIN

OrgNOCHandle: FIA-ORG-ARIN
OrgNOCName:   Fuse Internet Access Operations Center
OrgNOCPhone:  +1-800-387-3638 
OrgNOCEmail:  hostmaster@fuse.net
OrgNOCRef:    https://rdap.arin.net/registry/entity/FIA-ORG-ARIN

OrgTechHandle: GSP36-ARIN
OrgTechName:   Pennington, Gregory Scott
OrgTechPhone:  +1-513-608-7516 
OrgTechEmail:  scott.pennington@cinbell.com
OrgTechRef:    https://rdap.arin.net/registry/entity/GSP36-ARIN

OrgTechHandle: FIA-ORG-ARIN
OrgTechName:   Fuse Internet Access Operations Center
OrgTechPhone:  +1-800-387-3638 
OrgTechEmail:  hostmaster@fuse.net
OrgTechRef:    https://rdap.arin.net/registry/entity/FIA-ORG-ARIN

OrgTechHandle: MONAG27-ARIN
OrgTechName:   Monaghan, Robert 
OrgTechPhone:  +1-513-238-4723 
OrgTechEmail:  robert.monaghan@altafiber.com
OrgTechRef:    https://rdap.arin.net/registry/entity/MONAG27-ARIN

OrgAbuseHandle: FAT-ARIN
OrgAbuseName:   Fuse Internet Access Abuse Team
OrgAbusePhone:  +1-513-397-6598 
OrgAbuseEmail:  abuse@fuse.net
OrgAbuseRef:    https://rdap.arin.net/registry/entity/FAT-ARIN

RTechHandle: FIA-ORG-ARIN
RTechName:   Fuse Internet Access Operations Center
RTechPhone:  +1-800-387-3638 
RTechEmail:  hostmaster@fuse.net
RTechRef:    https://rdap.arin.net/registry/entity/FIA-ORG-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.
#