Robtex

Up: 206.220.40.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 206.220.40.0/23
Down right: 206.220.42.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
206.220.40.8	A+PTR	mailer2.mtvi.com
206.220.40.8	A	mailout.neopets.com
206.220.40.14	A+PTR	mailer-alpha.mtvi.com
206.220.40.15	A+PTR	mailer.mtvi.com
206.220.40.42	PTR	gameservertracking.stage.xfire.com
206.220.42.93	A	mtvblogspot.com
206.220.42.101	PTR	origin-beta.lite.dexr.mtvi.com
206.220.42.156	PTR	www.xfire.com
206.220.42.250	A	*.ast.com
206.220.43.10	PTR	relaunch-crowd.mtvnservices.com
206.220.43.16	A	mtvnland.com
206.220.43.28	A	shikuprime.com
206.220.43.28	A	headbuzzers.com
206.220.43.28	A	skengle.com
206.220.43.33	PTR	stage.nick.com
206.220.43.39	A	tvlandonline.com
206.220.43.39	A	nickatnitestvland.com
206.220.43.39	A	nick-at-nites-tvland.com
206.220.43.47	PTR	posting.mongo-arc-v2.mtvnservices.com
206.220.43.56	A	mtvlos10.com
206.220.43.56	A	mtvargentina.com
206.220.43.56	A	mtvlatinamericano.com
206.220.43.81	A	vh1divas2000live.com
206.220.43.81	A	divas2000live.com
206.220.43.90	A	origin.shine.bet.com
206.220.43.92	PTR	new-redrct.mtvi.com
206.220.43.92	A	shikuprime.com
206.220.43.92	A	headbuzzers.com
206.220.43.96	A	sonicnetstaff.com
206.220.43.96	A	www.sonicnetstaff.com
206.220.43.109	A	mtvniland.com
206.220.43.111	A	origin.www.bet.com
206.220.43.124	A	cacti.811.mtvi.com
206.220.43.126	A	pollmaster.comedycentral.com
206.220.43.133	A	mail1.lga2.mtvn.com
206.220.43.147	A	secure.nick.com
206.220.43.168	A	takandthepowerofjuju.com
206.220.43.177	A	reply.nickagent.com
206.220.43.177	A	reply.mtvagent.com
206.220.43.177	A	reply.collegepublisheragent.com
206.220.43.178	PTR	james-2.mtvi.com
206.220.43.179	PTR	bounce.vh1agent.com
206.220.43.211	A	www.radiosonicnet.com
206.220.43.211	A	www.radio.sonicnet.com
206.220.43.211	A	radio.sonicnet.com
206.220.43.250	A	www.ezadit.com
206.220.43.250	A	diversitynewspaper.com
206.220.43.250	A	pool1.y2m.com