Robtex

Up: 208.82.12.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 208.82.13.0/25
Down right: 208.82.13.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
208.82.13.15	PTR	208.82.13.15.rainbowbroadband.com
208.82.13.22	PTR	mail.anthony.com
208.82.13.22	A	mail.actionformen.com
208.82.13.22	A	rondeel.com
208.82.13.106	A	gateway.eyeballnyc.com
208.82.13.142	PTR	208.82.13.142.rainbowbroadband.com
208.82.13.144	PTR	208.82.13.144.rainbowbroadband.com
208.82.13.145	PTR	208.82.13.145.rainbowbroadband.com
208.82.13.153	A	*.delightfultours.com
208.82.13.158	A+PTR	hwmail01.hariworld.com
208.82.13.158	A	*.hariworld.com
208.82.13.158	A	email.hariworld.com
208.82.13.174	A	bigsky-radio.com
208.82.13.226	PTR	208.82.13.226.rainbowbroadband.com