Robtex

Up: 74.112.32.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 74.112.36.0/23
Down right: 74.112.38.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
74.112.36.4	A	ns1.nysysbroadband.com
74.112.36.5	A	ns2.nysysbroadband.com
74.112.36.114	A+PTR	ceratops.dinodns.com
74.112.36.122	A	mail.mgminsulation.com
74.112.37.98	PTR	xeniosllc.com
74.112.37.98	A	ms1.bturnkey.com
74.112.37.98	A	ms2.xeniosllc.com
74.112.37.102	A	owa.xeniosllc.com
74.112.37.131	A	wi-mail.rcomm.com
74.112.37.147	A	mail.gfsf-geneva.com
74.112.37.174	A	mail.flexbene.com
74.112.37.243	A+PTR	m1.biophan.com
74.112.38.6	A+PTR	mail.nysys.com
74.112.38.10	A+PTR	mail.kovalskycarr.com
74.112.38.52	A+PTR	mail.tlautomation.com
74.112.38.52	A	mail.kineticenergycontrols.com
74.112.38.52	A	mail.weformausa.com
74.112.38.67	PTR	bbrochester.com
74.112.38.67	PTR	bbjamestown.net
74.112.38.67	A	mail.bbrochester.com
74.112.38.76	PTR	mail.cannonind.com
74.112.38.78	A	nysys.cannonind.com
74.112.38.78	A	mail.cannonind.com
74.112.38.254	A	spamkiller2.lifemark.com
74.112.39.34	A	ssl.museumofplay.org
74.112.39.37	A	relay.museumofplay.org
74.112.39.37	A	relay.strongmuseum.org
74.112.39.37	A	relay.journalofplay.org
74.112.39.40	A	libraryandarchivesofplay.org
74.112.39.40	A	www.museumofplay.org
74.112.39.40	A	egameshistory.org
74.112.39.46	A	tasplay.org
74.112.39.46	A	tasplay.com
74.112.39.51	PTR	host1.spectrumcomputingsolutions.net
74.112.39.51	A	mail.accuratetoolny.com
74.112.39.51	A	scoutpack277.org
74.112.39.53	A+PTR	webhost1.spectrumcomputingsolutions.net
74.112.39.54	PTR	webhost.spectrumcomputingsolutions.net
74.112.39.54	A	aaamachineinc.com
74.112.39.54	A	aaawelding.com
74.112.39.74	PTR	mail.ec4b.com
74.112.39.74	PTR	mail.ecswfl.com
74.112.39.98	A	gateway.advancedlanguage.com
74.112.39.98	A	advancedlanguagesecure.com
74.112.39.99	A	advlangtest.com
74.112.39.100	A	smtp.advancedlanguage.com
74.112.39.122	PTR	mail.reallease.com
74.112.39.139	A	mail2.cgicommunications.com
74.112.39.154	A	mail.qessolutions.com
74.112.39.170	A	ns2.diisoft.com
74.112.39.170	A	ns2.winflowsoft.com
74.112.39.182	A+PTR	mail.radec.com
74.112.39.194	PTR	mail.pathstone.org
74.112.39.200	A	docushare.ruralinc.org
74.112.39.200	A	docushare.pathstone.org
74.112.39.201	PTR	mail.pathstone.org
74.112.39.218	A	outbound.thevaltechgroup.com
74.112.39.219	A	mail.thevaltechgroup.com