Solid Dev Tools:IP Whois

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About the IP WHOIS Lookup tool

All computers or servers on the Internet have an IP address. IP addresses are allocated to organisations in blocks of contiguous addresses, who then allocate ranges within their allocation to their customers.

You can perform a query known as "WHOIS" to identify which organisation an IP address is allocated to.

Use Cases

Use the IP WHOIS tool on Solid Tools for Developers to:

  • Identify which organisation is responsible for an IP address
  • Find out contacts to report abuse or technical problems with an IP address


Enter an IPv4 or IPv6 address in the "IP address" field.

Optionally select a regional WHOIS server to send your query to.


The raw output from the WHOIS database will be displayed.

The following example shows a WHOIS lookup for 2a00:da00:1800:15a::6 - the IPv6 address of the Solid Tools for Developers web application.

% This is the RIPE Database query service.
% The objects are in RPSL format.
% The RIPE Database is subject to Terms and Conditions.
% See

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

% Information related to '2a00:da00:1800::/43'

% Abuse contact for '2a00:da00:1800::/43' is ''

inet6num:       2a00:da00:1800::/43
netname:        IONOS-UK-NGCS
descr:          IONOS UK Next Generation Cloud Server (NGCS)
country:        GB
admin-c:        FHUK-RIPE
tech-c:         FHUK-RIPE
status:         ALLOCATED-BY-LIR
mnt-by:         AS15418-MNT
mnt-by:         AS8560-MNT
created:        2018-03-20T10:29:44Z
last-modified:  2020-11-27T17:15:42Z
source:         RIPE

role:           Fasthosts Networks UK
address:        Fasthosts Internet Limited
address:        Discovery House
address:        154 Southgate Street
address:        Gloucester, GL1 2EX
phone:          +44 1452 561874
nic-hdl:        FHUK-RIPE
remarks:        -----------------------------------------------
remarks:        Please report abuse to
remarks:        Abuse reports via other channels may be ignored
remarks:        -----------------------------------------------
org:            ORG-FHL1-RIPE
admin-c:        GD8691-RIPE
admin-c:        MM24449-RIPE
tech-c:         GD8691-RIPE
tech-c:         MM24449-RIPE
mnt-by:         AS15418-MNT
mnt-by:         AS8560-MNT
created:        2015-02-26T14:57:35Z
last-modified:  2019-01-28T10:09:16Z
source:         RIPE # Filtered

% Information related to '2a00:da00::/32AS8560'

route6:         2a00:da00::/32
descr:          Fasthosts Internet ltd
origin:         AS8560
mnt-by:         AS15418-MNT
mnt-by:         AS8560-MNT
created:        2014-11-12T15:52:10Z
last-modified:  2014-11-12T15:52:10Z
source:         RIPE

% This query was served by the RIPE Database Query Service version 1.109 (DEXTER)