WHOIS lookup

Look up a domain, an IPv4 or IPv6 address or an AS number (ASN). For a domain: who registered it, which registrar holds it, when it expires and what its status codes mean. For an address or ASN: which network it belongs to, who holds it and where to report abuse. Asked over RDAP and classic WHOIS, of the registry and then the registrar.

151.101.0.81

IP address3 requests in 0.7 s2026-11-09 05:24:45 UTCRegistered

DNS lookup Text JSON

Warning The RDAP server (rdap.db.ripe.net) didn't answer: Recv failure: Connection reset by peer.

Network

Range	151.101.0.0 – 151.105.255.255
Name	NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK
Country	EU # COUNTRY IS REALLY WORLD WIDE
Description	IPv4 address block not managed by the RIPE NCC
Type	ALLOCATED UNSPECIFIED
Registered	7 Jan 2019 · 7 years, 10 months ago
Last changed	7 Jan 2019 · 7 years, 10 months ago
Registry	RIPE NCC

Reverse DNS and more: DNS lookup for 151.101.0.81.

WHOIS

The raw replies over port 43, as the whois command shows them.

RIPE NCC whois.ripe.net

% This is the RIPE Database query service.
% The objects are in RPSL format.
%
% The RIPE Database is subject to Terms and Conditions.
% See https://docs.db.ripe.net/terms-conditions.html

% Note: this output has been filtered.
%       To receive output for a database update, use the "-B" flag.

% Information related to '151.101.0.0 - 151.105.255.255'

% No abuse contact registered for 151.101.0.0 - 151.105.255.255

inetnum:        151.101.0.0 - 151.105.255.255
netname:        NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK
descr:          IPv4 address block not managed by the RIPE NCC
remarks:        ------------------------------------------------------
remarks:
remarks:        For registration information,
remarks:        you can consult the following sources:
remarks:
remarks:        IANA
remarks:        http://www.iana.org/assignments/ipv4-address-space
remarks:        http://www.iana.org/assignments/iana-ipv4-special-registry
remarks:        http://www.iana.org/assignments/ipv4-recovered-address-space
remarks:
remarks:        AFRINIC (Africa)
remarks:        http://www.afrinic.net/ whois.afrinic.net
remarks:
remarks:        APNIC (Asia Pacific)
remarks:        http://www.apnic.net/ whois.apnic.net
remarks:
remarks:        ARIN (Northern America)
remarks:        http://www.arin.net/ whois.arin.net
remarks:
remarks:        LACNIC (Latin America and the Carribean)
remarks:        http://www.lacnic.net/ whois.lacnic.net
remarks:
remarks:        ------------------------------------------------------
country:        EU # Country is really world wide
admin-c:        IANA1-RIPE
tech-c:         IANA1-RIPE
status:         ALLOCATED UNSPECIFIED
mnt-by:         RIPE-NCC-HM-MNT
created:        2019-01-07T10:46:38Z
last-modified:  2019-01-07T10:46:38Z
source:         RIPE

role:           Internet Assigned Numbers Authority
address:        see http://www.iana.org.
admin-c:        IANA1-RIPE
tech-c:         IANA1-RIPE
nic-hdl:        IANA1-RIPE
remarks:        For more information on IANA services
remarks:        go to IANA web site at http://www.iana.org.
mnt-by:         RIPE-NCC-MNT
created:        1970-01-01T00:00:00Z
last-modified:  2001-09-22T09:31:27Z
source:         RIPE # Filtered

% This query was served by the RIPE Database Query Service version 1.124.1 (ABERDEEN)

Servers asked

Protocol

Server

Result

Time

RDAP

https://rdap.arin.net/registry/ip/151.101.0.81

Recv failure: Connection reset by peer

375 ms

WHOIS

whois.iana.org “151.101.0.81”

315 bytes

295 ms

WHOIS

whois.ripe.net “151.101.0.81”

2,295 bytes

31 ms