#This tool requires nslookup and whois. #It provides the enumeration of URLS to their Owner and the CIDR by a file containing user names or by inputing a url.
/url2cidr.sh urls.txt
157.150.0.0/16
United Nations
104.16.0.0/12
Cloudflare, Inc.
./url2cidr.sh twitch.com
52.64.0.0/12, 52.0.0.0/10
Amazon Technologies Inc.
52.0.0.0/10, 52.64.0.0/12
Amazon Technologies Inc.
52.64.0.0/12, 52.0.0.0/10
Amazon Technologies Inc.