This tool enumerates hostnames from Bing.com for an IP address. Bing.com is Microsoft’s search engine which has an IP: search parameter. Written in Bash for Linux. Requires wget.
You can download it from the following link: https://packetstormsecurity.com/files/download/155400/bing-ip2hosts-1.0.zip
Source: https://packetstormsecurity.com/files/155400/Bing.com-Hostname-IP-Enumerator-1.0.html