Robtex

Up: 209.222.22.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 209.222.22.0/25
Down right: 209.222.22.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
209.222.22.21	PTR	209.222.22.21.choopa.net
209.222.22.22	PTR	irc.choopa.net
209.222.22.22	A	irc.efnet.info
209.222.22.22	A	efnet.cs.hut.fi
209.222.22.26	PTR	209.222.22.26.choopa.net
209.222.22.30	A+PTR	irc2.choopa.net
209.222.22.44	PTR	209.222.22.44.choopa.net
209.222.22.44	A	ircnet.choopa.net
209.222.22.65	PTR	209.222.22.65.choopa.net
209.222.22.78	A	mail.clubvader.com
209.222.22.118	PTR	209.222.22.118.choopa.net
209.222.22.124	PTR	209.222.22.124.choopa.net
209.222.22.137	PTR	209.222.22.137.choopa.net
209.222.22.144	PTR	209.222.22.144.choopa.net
209.222.22.145	PTR	209.222.22.145.choopa.net
209.222.22.196	PTR	209.222.22.196.choopa.net
209.222.22.229	PTR	209.222.22.229.choopa.net
209.222.22.254	PTR	209.222.22.254.choopa.net