Robtex

Up: 74.119.144.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 74.119.152.0/22
Down right: 74.119.156.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
74.119.152.21	A	mail.akoyainc.com
74.119.152.50	PTR	keepingcomputingsimple.com
74.119.152.50	A	rebootit.com
74.119.152.100	PTR	jdequipment.com
74.119.152.162	A+PTR	vkmail1.vinakom.com
74.119.152.183	A	mailproxy.stratozone.com
74.119.152.188	A	mailproxy.ustechsource.com
74.119.153.26	A	remote.skytechllc.com
74.119.153.128	PTR	128.ubid.com
74.119.153.134	A	datafeeds.ubid.com
74.119.153.165	PTR	ns2.transchicago.com
74.119.154.194	A+PTR	mail.aportho.com
74.119.154.197	A	apocitrix.aportho.com
74.119.154.252	PTR	mx01.vinakom.com
74.119.154.252	A	mx1.vhllc.net
74.119.154.252	A	spam01.aportho.com
74.119.155.0	PTR	0.ubid.com
74.119.155.10	PTR	10.ubid.com
74.119.155.37	A	mobilexus.net
74.119.155.38	A	mobilexus.com
74.119.155.38	A	mobilexus.co
74.119.155.82	A	imap.directionsav.com
74.119.155.82	A	mail.directionsav.com
74.119.155.84	A	davftp.com
74.119.155.113	A	smtp.nssb-us.com
74.119.155.113	A	smtp.sbicc.com
74.119.155.121	A	nittetsu.com
74.119.155.121	A	ilschsbicws01.sbicc.com
74.119.155.121	A	mail.nittetsu.com
74.119.155.214	A	geierdevelopment.com
74.119.155.224	PTR	224.ubid.com
74.119.155.225	PTR	225.ubid.com
74.119.155.226	A	search.ubid.com
74.119.155.227	A	ucm.ubid.com
74.119.155.228	A	static.ubid.com
74.119.155.231	A	ftp.ubid.com
74.119.155.233	A+PTR	233.ubid.com
74.119.155.233	A	superstore.ubid.com
74.119.155.233	A	*.ubid.com
74.119.155.244	A	gway.ubid.com
74.119.155.245	A	partner.ubid.com
74.119.155.249	PTR	249.ubid.com
74.119.157.11	PTR	email.warehousedirect.com
74.119.157.11	A	legacy.warehousedirect.com
74.119.157.12	A+PTR	mx.warehousedirect.com
74.119.157.115	PTR	wdfrontendold.warehousedirect.com
74.119.157.115	A	autodiscover.warehousedirect.com
74.119.157.115	A	email.warehousedirect.com
74.119.157.252	A	mail.rungepaper.com
74.119.157.253	A	bruiser.rungepaper.com
74.119.158.58	PTR	domino1.vtechkids.com
74.119.158.146	PTR	brownpapergoods.com
74.119.158.148	PTR	mail.brownpapergoods.com
74.119.158.242	PTR	www.edlong.com
74.119.158.242	A	edlongflavors.net
74.119.158.242	A	dairy-link.com
74.119.158.246	PTR	webmail.edlong.com
74.119.159.194	A	courierschoice.com