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Free Online Whois

IP address / host name

e.g. yahoo.com or 66.94.234.13
Whois Result for 255.255.255.255
; #
# 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 1997-2025, American Registry for Internet Numbers, Ltd.
#

NetRange: 240.0.0.0 - 255.255.255.255
CIDR: 240.0.0.0/4
NetName: SPECIAL-IPV4-FUTURE-USE-IANA-RESERVED
NetHandle: NET-240-0-0-0-0
Parent: ()
NetType: IANA Special Use
OriginAS:
Organization: Internet Assigned Numbers Authority (IANA)
RegDate:
Updated: 2024-05-24
Comment: Addresses starting with 240 or a higher number have not been allocated and should not be used, apart from 255.255.255.255, which is used for "limited broadcast" on a local network.
Comment:
Comment: This block was reserved by the IETF, the organization that develops Internet protocols, in the Standard document and in RFC 1112. The documents can be found at:
Comment: http://datatracker.ietf.org/doc/rfc1112
Ref: 240.0.0.0" target="_blank">https://rdap.arin.net/registry/ip/240.0.0.0

OrgName: Internet Assigned Numbers Authority
OrgId: IANA
Address: 12025 Waterfront Drive
Address: Suite 300
City: Los Angeles
StateProv: CA
PostalCode: 90292
Country: US
RegDate:
Updated: 2024-05-24
Ref: https://rdap.arin.net/registry/entity/IANA

OrgAbuseHandle: IANA-IP-ARIN
OrgAbuseName: ICANN
OrgAbusePhone: +1-310-301-5820
OrgAbuseEmail: abuse@iana.org
OrgAbuseRef: https://rdap.arin.net/registry/entity/IANA-IP-ARIN

OrgTechHandle: IANA-IP-ARIN
OrgTechName: ICANN
OrgTechPhone: +1-310-301-5820
OrgTechEmail: abuse@iana.org
OrgTechRef: https://rdap.arin.net/registry/entity/IANA-IP-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 1997-2025, American Registry for Internet Numbers, Ltd.
#