Reverse DNS Lookup
This tool will provide you the hostname (ie www.yahoo.com) of the IP address that you enter below.
Results:
Lookup on IPv4 Address: 74.15.28.91
Hostname: bras-base-toroon01zb3-grc-44-74-15-28-91.dsl.bell.ca
Hostname: bras-base-kmvlon1102w-grc-39-74-15-28-91.dsl.bell.ca
Hostname: bras-base-mrhmon2412w-grc-50-74-15-28-91.dsl.bell.ca