This will allow you to lookup various IP information.
You can also use a regular 'whois' client against ipinfo.dan.me.uk to get the same output.

NOTE: There is a default limit of 24 queries per 24 hour period.
If you are only looking for TOR information, you should use my DNS Blacklists instead.

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% IPInfo - IP Information Service
% Copyright(c) 2008-2025, Daniel Austin MBCS
%
% Hello, 2001:67c:26b4:3:21e:bff:fec7:87a, pleased to meet you.
%
% NOTE: all AS numbers are now returned in asplain format.
% 
% Fetching IP Information for '138.163.106.71'...
Status: OK
Cache-Age: 0
IP: 138.163.106.71
IP-Version: 4
Hostname: gate1-bremerton.nmci.navy.mil
TOR-Node: NAK
Origin-AS: 665
Origin-ISP: 
IP-Prefix: 138.163.104.0/22
IP-NetName: NMCI-NET-SAN
IP-Description: Navy Network Information Center (NNIC),VIRGINIA BEACH,VA
IP-Country-ISO: US
IP-Country: United States
IP-City: Bremerton
IP-Postal-Code: 98311
IP-Locality: Seattle-Tacoma, WA
GPS-Location: 47.627602 -122.643097
% You have made 1 out of 24 allowed queries in the last 24 hours.
% Took 2.21 secs for data lookup(s)
% debug info follows
% Node: db3
%                sql   0.0334281921
%                log   0.0110309124
%        cache_check   0.0099701881
%                grt   0.0039799213
%             ipinfo   0.2947120667
%                dns   1.8314621449