Robtex

Up: 74.91.0.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 74.91.8.0/22
Down right: 74.91.12.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
74.91.8.2	PTR	ge-0-1.mbr1.nj.fiftyone.com
74.91.8.8	PTR	ip-4a5b0808.atlanticmetro.net
74.91.8.9	A	origin1-services.fiftyone.com
74.91.8.10	PTR	ip-4a5b080a.atlanticmetro.net
74.91.8.10	A	clients.e4x.com
74.91.8.13	A	services.fiftyone.com
74.91.8.14	A	mail.fiftyone.com
74.91.8.16	PTR	ip-4a5b0810.atlanticmetro.net
74.91.8.18	PTR	ip-4a5b0812.atlanticmetro.net
74.91.8.19	PTR	ip-4a5b0813.atlanticmetro.net
74.91.8.24	PTR	ip-4a5b0818.atlanticmetro.net
74.91.8.26	PTR	ip-4a5b081a.atlanticmetro.net
74.91.8.26	A	services.borderfree.com
74.91.8.35	PTR	ip-4a5b0823.atlanticmetro.net
74.91.8.42	PTR	server13370.brentonway.com
74.91.8.48	PTR	ip-4a5b0830.atlanticmetro.net
74.91.8.51	PTR	ip-4a5b0833.atlanticmetro.net
74.91.8.59	PTR	ip-4a5b083b.atlanticmetro.net
74.91.8.65	PTR	ip-4a5b0841.atlanticmetro.net
74.91.8.81	PTR	ip-4a5b0851.atlanticmetro.net
74.91.8.89	PTR	ip-4a5b0859.atlanticmetro.net
74.91.8.97	PTR	ip-4a5b0861.atlanticmetro.net
74.91.8.120	PTR	ip-4a5b0878.atlanticmetro.net
74.91.8.131	PTR	ip-4a5b0883.atlanticmetro.net
74.91.8.145	PTR	ip-4a5b0891.atlanticmetro.net
74.91.8.145	A	servidor.kservidor.com.br
74.91.8.145	A	ns1.kservidor.com.br
74.91.8.150	A	ns2.kservidor.com.br
74.91.8.163	PTR	ip-4a5b08a3.atlanticmetro.net
74.91.8.170	PTR	ip-4a5b08aa.atlanticmetro.net
74.91.8.201	PTR	servidor.sempihost21.com.br
74.91.8.201	A	sempihost14.com.br
74.91.8.201	A	prosperarecontabil.com.br
74.91.8.214	A	stat.world
74.91.8.217	A	westchestercountyhomeexpert.com
74.91.8.217	A	buysouthwestlahomes.com
74.91.8.217	A	6ixrealproperties.com
74.91.8.224	PTR	ip-4a5b08e0.atlanticmetro.net
74.91.8.224	A	myace.azurevms.net
74.91.8.227	PTR	ip-4a5b08e3.atlanticmetro.net
74.91.8.227	A	myvancloud.com
74.91.9.11	PTR	ptx11.email.optimisedideas.com
74.91.9.27	PTR	pnq27.info.awesometechniques.com
74.91.9.33	PTR	agu33.infomail.combineshopping.com
74.91.9.85	PTR	gxv85.career.beautifulyouwellness.com
74.91.9.100	PTR	lxl100.replyto.seasoncrazy.com
74.91.9.191	PTR	nice191.mailus.onlinepromos4you.com
74.91.9.202	PTR	yes202.replyto.onlinepromos4you.com
74.91.10.3	A	knottybits.com
74.91.10.3	A	risstructuring.com
74.91.10.3	A	rhyder.com
74.91.10.42	PTR	ycd-multimedia.dmarc.lga1.atlanticmetro.net
74.91.10.44	A	c-nario-ftp.com
74.91.10.50	A	galvatron.angrydoughnuts.com
74.91.10.50	A	angrydoughnuts.com
74.91.10.50	A	perceptor.angrydoughnuts.com
74.91.10.58	PTR	finn.neuropunks.org
74.91.10.58	A	latourette.cc
74.91.10.58	A	ns1.sigilsoftware.com
74.91.10.66	PTR	scoffier-marco.dmarc.lga4.atlanticmetro.net
74.91.10.66	A	www.metm.org
74.91.10.66	A	*.metm.org
74.91.10.75	A	dom.softoserv.com
74.91.10.76	A	www.nycvertical.com
74.91.10.76	A	nycvertical.com
74.91.10.91	PTR	mail.palace-designs.com
74.91.10.91	A	mail.littleskeeters.com
74.91.10.91	A	mail.mathprepbooks.com
74.91.10.92	A	knottybits.com
74.91.10.92	A	rhyder.com
74.91.10.92	A	kozlerentertainment.com
74.91.10.106	PTR	welinknyc.dmarc.lga4.atlanticmetro.net
74.91.10.106	A	www.sassy.net
74.91.10.106	A	mail.sassy.net
74.91.10.115	A	mail.ylayali.net
74.91.10.115	A	mail.highball.org
74.91.10.116	A	media.ylayali.net
74.91.10.116	A	xcfff.com
74.91.10.122	PTR	welinknyc.dmarc.lga4.atlanticmetro.net
74.91.10.122	A	mail.cardpaymentsystems.com
74.91.10.123	PTR	colo-74-91-10-123.atlanticmetro.net
74.91.10.123	A	cardpaymentsystems.com
74.91.10.125	A	briarpatchdragon.com
74.91.10.125	A	tarotmysterium.com
74.91.10.138	PTR	scotsoftresearch.dmarc.lga1.atlanticmetro.net
74.91.10.138	A	b.ns.ssr.com
74.91.10.178	PTR	ae1-2070.cr2.lga11.atlanticmetro.net
74.91.10.178	A	ns3.leb.net
74.91.10.178	A	ns1.leb.net
74.91.10.179	PTR	corona.maninghost.com
74.91.10.179	A	ns2.leb.net
74.91.10.181	A	albaab.leb.net
74.91.10.195	PTR	ip-74-91-10-195.static.atlanticmetro.net
74.91.10.195	A	mx2.neuropunks.org
74.91.10.195	A	ns2.defriendwatch.com
74.91.10.242	PTR	netcat-dmitry.dmarc.lga1.atlanticmetro.net
74.91.10.242	A	petr-pervij.ru
74.91.10.242	A	vse-pro-zubi.ru
74.91.10.243	PTR	netcat-dmitry.dmarc.lga1.atlanticmetro.net
74.91.13.8	PTR	cpp8.offers.readervoice.com
74.91.13.17	PTR	news17.foresightnewsletter.com
74.91.13.18	A+PTR	stty18.web.villaassurance.com
74.91.13.24	PTR	csy24.notification.recognizedparadise.com
74.91.13.48	PTR	alleg.advertisingez.com
74.91.13.104	PTR	stl104.spectreloans.com
74.91.13.106	PTR	apm106.career.dalilynewsnetwork.com
74.91.13.114	PTR	zcmp114.service.villaassurance.com
74.91.13.128	PTR	zso128.contact.webcreditoptions.com
74.91.13.152	PTR	news152.foresightnewsletter.com
74.91.13.170	PTR	pgp170.updates.happize.com
74.91.13.242	PTR	zans242.news.searchinfotech.com
74.91.15.22	A	horizonextranet.com
74.91.15.23	A	horizondashboard.com
74.91.15.37	A	horizonnavigator.com
74.91.15.41	PTR	ip-4a5b0f29.atlanticmetro.net
74.91.15.41	A	horizonvault.com