Robtex

Up: 198.84.56.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 198.84.56.0/23
Down right: 198.84.58.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
198.84.56.0	PTR	198-84-56-0.ash01.rokabear.com
198.84.56.7	PTR	198-84-56-7.ash01.rokabear.com
198.84.56.8	PTR	198-84-56-8.ash01.rokabear.com
198.84.56.30	A	us.retp.biz
198.84.56.36	A+PTR	mail.paraben.com
198.84.56.37	PTR	198-84-56-37.ash01.rokabear.com
198.84.56.37	A	projectaphone.com
198.84.56.37	A	csicyberconsulting.com
198.84.56.38	PTR	198-84-56-38.ash01.rokabear.com
198.84.56.42	PTR	198-84-56-42.ash01.rokabear.com
198.84.56.42	A	hawkmonitoring.com
198.84.56.42	A	watchmelikeahawk.com
198.84.56.43	PTR	198-84-56-43.ash01.rokabear.com
198.84.56.43	A	paraben-forensics.com
198.84.56.132	A	www.westafricartc.org
198.84.56.132	A	westafricartc.org
198.84.56.132	A	wartc.info
198.84.56.140	PTR	www.trenchware.com
198.84.56.140	A	trenchware.net
198.84.56.140	A	nullmx.trenchware.com
198.84.57.45	PTR	198-84-57-45.ash01.rokabear.com
198.84.58.0	PTR	198-84-58-0.ash01.rokabear.com
198.84.58.4	PTR	198-84-58-4.ash01.rokabear.com
198.84.58.4	A	smtp.flipstats.com
198.84.58.4	A	curobi.com
198.84.58.38	PTR	198-84-58-38.ash01.rokabear.com
198.84.58.38	A	acceleramp.net
198.84.58.38	A	moresecurecloud.com
198.84.58.40	PTR	198-84-58-40.ash01.rokabear.com
198.84.58.40	A	federalstudentald.com
198.84.58.40	A	utahboardofeducation.com
198.84.58.68	PTR	198-84-58-68.ash01.rokabear.com
198.84.58.68	A	radon.nethercloud.com
198.84.58.71	A	titaniummist.com
198.84.58.71	A	pocketviking.com
198.84.58.71	A	zfdm.biz
198.84.58.75	A	exchange.nethercloud.com
198.84.58.79	PTR	198-84-58-79.ash01.rokabear.com
198.84.58.79	A	wordweasel.info
198.84.58.86	A+PTR	silicon.nethercloud.com
198.84.58.86	A	silicon.nethercloud.net
198.84.58.91	PTR	198-84-58-91.ash01.rokabear.com
198.84.58.91	A	powerfulinternets.com
198.84.58.132	PTR	mail.rokasecurity.com
198.84.59.0	PTR	198-84-59-0.ash01.rokabear.com
198.84.59.1	PTR	198-84-59-1.ash01.rokabear.com