Robtex

Up: 66.35.42.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 66.35.42.0/25
Down right: 66.35.42.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
66.35.42.5	A+PTR	mailna.nice.com
66.35.42.5	A	mx1.mynavoice.com
66.35.42.5	A	mail.mynavoice.com
66.35.42.8	A	nadmz1.nice.com
66.35.42.10	A	naexcext1.nice.com
66.35.42.65	A	conferenceedge.net
66.35.42.70	A	mail.confedge.mobi
66.35.42.70	A	mail.conferenceedge.mobi
66.35.42.70	A	mail.confedge.org
66.35.42.72	A	confedge.com
66.35.42.73	A	mailastaro.confedge.com
66.35.42.73	A	platform.confedge.com
66.35.42.73	A	mail-dr.confedge.com
66.35.42.74	A	mail.confedge.com
66.35.42.98	PTR	hostworks.com
66.35.42.99	A+PTR	dns3.hostworks.com
66.35.42.100	A+PTR	dns1.hostworks.com
66.35.42.100	A	mx.summers-online.com
66.35.42.100	A	sebring.hostworks.com
66.35.42.101	PTR	indy.hostworks.com
66.35.42.101	A	nomasvellousa.com
66.35.42.101	A	smartenergyliving.org
66.35.42.102	A	iacpfa.org
66.35.42.107	PTR	web.hostworks.com
66.35.42.110	A	harmonizedh20.com
66.35.42.110	A	harmonizedwater.com
66.35.42.111	A	wmsmithcrm.hostworks.com
66.35.42.112	A+PTR	desoto.hostworks.com
66.35.42.113	PTR	cdn2.coloradolottery.com
66.35.42.113	A	pandatacorp.com
66.35.42.113	A	missioncriticalmag.com
66.35.42.114	PTR	cdn1.coloradolottery.com
66.35.42.115	PTR	cdn.coloradolottery.com
66.35.42.115	A	www.fca2018.org
66.35.42.115	A	fca2018.org
66.35.42.116	A	fca-houston.org
66.35.42.116	A	www.fca-orl.org
66.35.42.116	A	fca-orl.org
66.35.42.119	PTR	hostworks.com
66.35.42.119	A	kpredcapihr.org
66.35.42.119	A	www.kpredcapihr.org
66.35.42.120	PTR	hostworks.com
66.35.42.121	PTR	hostworks.com
66.35.42.121	A	cpmgcme.com
66.35.42.121	A	conursingcne.org
66.35.42.122	PTR	hostworks.com
66.35.42.123	PTR	hostworks.com
66.35.42.130	A+PTR	mail.sierraridgenetworks.com
66.35.42.130	A	skdenver.com
66.35.42.132	A	summerssecrets.com
66.35.42.132	A	sierraridgenetworks.com
66.35.42.132	A	mail.summerssecrets.com
66.35.42.133	PTR	backup.sierraridgenetworks.com
66.35.42.134	A	backup.sierraridgenetworks.com
66.35.42.136	A	www.msaaevents.org
66.35.42.136	A	ma-lms.org
66.35.42.136	A	www.terrainparksafety.org
66.35.42.137	A	swagusa.org
66.35.42.137	A	crack-the-code.org
66.35.42.137	A	nsaa.org
66.35.42.138	A	www.lidsonkids.org
66.35.42.138	A	lidsonkids.org
66.35.42.138	A	kidsonlifts.org
66.35.42.139	A	www.discoversnow.org
66.35.42.139	A	www.discoversnow.com
66.35.42.139	A	discoversnow.org
66.35.42.244	A	ns1.cibermaxima.com
66.35.42.244	A	ns1.m5-software.com
66.35.42.244	A	ns1.arkisoft.net
66.35.42.246	A	revistabusinessvenezuela.com
66.35.42.248	A	www.icuantix.com
66.35.42.248	A	www.cibermaxima.com
66.35.42.250	A	m5-software.com