Robtex

Up: 198.100.176.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 198.100.184.0/22
Down right: 198.100.188.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
198.100.184.0	PTR	198.100.184.0.svwh.net
198.100.184.75	PTR	198.100.184.75.svwh.net
198.100.184.75	A	leads.eragon.co
198.100.184.76	A	x-factor360.com
198.100.184.76	A	riolindohotel.com
198.100.184.76	A	www.s2ol.com
198.100.184.84	A	static-198.100.184.84.nephosdns.com
198.100.187.49	A	www.xlonewolf.com
198.100.187.65	PTR	mx65.shoveline.com
198.100.187.65	A	ns2.masscontroller.com
198.100.187.109	A	chickendinner.com
198.100.187.236	A	a2-docker2-sjc.ag1.thousandeyes.com
198.100.188.0	PTR	198.100.188.0.svwh.net
198.100.188.4	A	onlinebloggeeks.com
198.100.189.4	A	spotlighty.com
198.100.189.4	A	mail.spotlighty.com
198.100.189.90	PTR	static-198.100.189.90.nephosdns.com
198.100.189.90	A	smtp2.ctyme.com
198.100.189.90	A	mx.junkemailfilter.net
198.100.189.91	A	smtp2.ctyme.com
198.100.189.91	A	mx.junkemailfilter.net
198.100.189.91	A	mail-filter-2.jtan.com
198.100.189.100	PTR	static-198.100.189.100.nephosdns.com
198.100.189.100	A	mx.junkemailfilter.org
198.100.189.100	A	tarbaby.junkemailfilter.com
198.100.189.101	PTR	static-198.100.189.101.nephosdns.com
198.100.189.101	A	mx.junkemailfilter.org
198.100.189.101	A	tarbaby.junkemailfilter.com
198.100.189.102	PTR	static-198.100.189.102.nephosdns.com
198.100.189.102	A	mx.junkemailfilter.org
198.100.189.102	A	tarbaby.junkemailfilter.com
198.100.189.109	A	mxbackup2.junkemailfilter.com
198.100.190.2	A	ns1.reditary.com
198.100.190.3	A+PTR	static-198.100.190.3.nephosdns.com
198.100.190.3	A	ns2.reditary.com
198.100.190.4	PTR	static-198.100.190.4.nephosdns.com
198.100.190.4	A	mail.reditary.com