Robtex

Up: 204.9.42.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 204.9.42.0/25
Down right: 204.9.42.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
204.9.42.20	PTR	204-9-42-20.lore.net
204.9.42.20	A	ortoninstitute.org
204.9.42.20	A	dcpcsa.com
204.9.42.75	A	smtp.thinkport.org
204.9.42.77	PTR	204-9-42-77.lore.net
204.9.42.77	A	thinkport.org
204.9.42.77	A	knowingpoe.thinkport.org
204.9.42.90	A	knowingpoe.thinkport.org
204.9.42.90	A	villainyinc.thinkport.org
204.9.42.92	PTR	204-9-42-92.lore.net
204.9.42.92	A	plasticforkdiaries.org
204.9.42.92	A	plasticforkdiaries.com
204.9.42.101	PTR	raiamail.reston.org
204.9.42.119	A	woodingscorp.com
204.9.42.119	A	woodingshomebuilding.com
204.9.42.119	A	gogreenondemand.com
204.9.42.147	A	pickyourdecade.com
204.9.42.170	PTR	osmsinc.com
204.9.42.170	A	osp.osmsinc.com
204.9.42.171	PTR	204-9-42-171.lore.net
204.9.42.179	A+PTR	smtp-us.nga.net
204.9.42.211	PTR	iris.thinkport.org
204.9.42.211	A	www.labyrinth.thinkport.org
204.9.42.211	A	labyrinth.thinkport.org
204.9.42.229	PTR	204-9-42-229.lore.net
204.9.42.229	A	*.sacdogpound.net
204.9.42.229	A	dns1.sacdogpound.net
204.9.42.230	PTR	204-9-42-230.lore.net
204.9.42.230	A	www.bot.org
204.9.42.230	A	bot.org
204.9.42.235	PTR	204-9-42-235.lore.net
204.9.42.235	A	mx.bot.org
204.9.42.235	A	webmail.bot.org