WHOIS

Lookup an IP or domain. Uses IANA referral first, then registry WHOIS.
Query
172.109.128.250
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:      172.0.0.0 - 172.255.255.255
organisation: Administered by ARIN
status:       LEGACY

remarks:      172.16.0.0/12 reserved for Private-Use Networks
remarks:      [RFC1918]. Complete registration details are found
remarks:      iniana-ipv4-special-registry.

whois:        whois.arin.net

changed:      1993-05
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 172.109.128.250"
#
# Use "?" to get help.
#

NetRange:       172.109.0.0 - 172.109.255.255
CIDR:           172.109.0.0/16
NetName:        FRTR-FL
NetHandle:      NET-172-109-0-0-1
Parent:         NET172 (NET-172-0-0-0-0)
NetType:        Direct Allocation
OriginAS:       
Organization:   Frontier Communications Corporation (FCC-210)
RegDate:        2015-06-29
Updated:        2015-06-29
Comment:        abuse will only be responded to by the abuse POC
Ref:            https://rdap.arin.net/registry/ip/172.109.0.0



OrgName:        Frontier Communications Corporation
OrgId:          FCC-210
Address:        610 Zack Street
City:           Tampa
StateProv:      FL
PostalCode:     33602
Country:        US
RegDate:        2015-04-02
Updated:        2023-06-01
Comment:        Abuse complaints will only be responded to by the use of the abuse contact
Ref:            https://rdap.arin.net/registry/entity/FCC-210

ReferralServer:  rwhois://rwhois.frontiernet.net:4321

OrgRoutingHandle: HOSTM2146-ARIN
OrgRoutingName:   Hostmaster
OrgRoutingPhone:  +1-585-777-0949 
OrgRoutingEmail:  hostmaster@support.ftr.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/HOSTM2146-ARIN

OrgTechHandle: ZF47-ARIN
OrgTechName:   Frontier Communications
OrgTechPhone:  +1-877-474-7876 
OrgTechEmail:  abuse@support.ftr.com
OrgTechRef:    https://rdap.arin.net/registry/entity/ZF47-ARIN

OrgAbuseHandle: ABUSE223-ARIN
OrgAbuseName:   Abuse
OrgAbusePhone:  +1-585-623-4519 
OrgAbuseEmail:  abuse@support.ftr.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE223-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.
#