Robtex

Up: 204.9.40.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 204.9.40.0/23
Down right: 204.9.42.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
204.9.40.1	A	atari.lore.net
204.9.40.10	A	mail.lietzlaw.com
204.9.40.10	A	mail.lore.net
204.9.40.10	A	mail.matrixco.com
204.9.40.11	PTR	envy.lore.net
204.9.40.13	A+PTR	hotmail.lore.net
204.9.40.15	A+PTR	lust.lore.net
204.9.40.15	A	danac.com
204.9.40.15	A	www.vernonlawfirm.com
204.9.40.16	A+PTR	intranet.lore.net
204.9.40.17	A	vpn.lore.net
204.9.40.20	A+PTR	eng.lore.net
204.9.40.28	PTR	204-9-40-28.lore.net
204.9.40.28	A	mail.altiramisu.net
204.9.40.28	A	webmail.deepwaterpoint.org
204.9.40.29	PTR	bes1.lore.net
204.9.40.38	A+PTR	client.lore.net
204.9.40.55	PTR	bigidea.lore.net
204.9.40.55	PTR	opus8.lore.net
204.9.40.55	PTR	trademission.lore.net
204.9.40.85	PTR	corpmail.lore.net
204.9.40.85	A	webmail.lore.net
204.9.40.85	A	mx.lore.net
204.9.40.87	A	lorecloud.net
204.9.40.171	A	asdns-01.aptify.com
204.9.40.172	A	asdns-02.aptify.com
204.9.40.193	A	asedge-01.aptify.com
204.9.40.212	PTR	ebiz.patnc.org
204.9.41.136	PTR	204-9-41-136.lore.net
204.9.41.136	A	show.jspargo.com
204.9.41.138	A	www.spargoinc.com
204.9.41.138	A	www.jspargo.com
204.9.41.138	A	www.spargo.com
204.9.41.142	A	ns3.jspargo.com
204.9.41.146	PTR	204-9-41-146.lore.net
204.9.41.146	A	rah.asco.org
204.9.41.151	PTR	204-9-41-151.lore.net
204.9.41.151	A	www.jspargo.net
204.9.41.151	A	jspargo.net
204.9.41.152	A+PTR	exchange.jspargo.com
204.9.41.153	PTR	204-9-41-153.lore.net
204.9.41.153	A	jiramail.jspargo.com
204.9.41.169	A	ns2.jspargo.com
204.9.41.184	PTR	204-9-41-184.lore.net
204.9.41.184	A	imc2018.org
204.9.41.191	PTR	204-9-41-191.lore.net
204.9.41.191	A	register.asn-online.org
204.9.41.200	PTR	204-9-41-200.lore.net
204.9.41.200	A	jems.jspargo.com
204.9.41.205	PTR	204-9-41-205.lore.net
204.9.41.205	A	dc.jspargo.com
204.9.41.224	A	spargoinc.com
204.9.41.238	A	ns1.jspargo.com
204.9.42.20	PTR	204-9-42-20.lore.net
204.9.42.20	A	ortoninstitute.org
204.9.42.20	A	dcpcsa.com
204.9.42.75	A	smtp.thinkport.org
204.9.42.77	PTR	204-9-42-77.lore.net
204.9.42.77	A	thinkport.org
204.9.42.77	A	knowingpoe.thinkport.org
204.9.42.90	A	knowingpoe.thinkport.org
204.9.42.90	A	villainyinc.thinkport.org
204.9.42.92	PTR	204-9-42-92.lore.net
204.9.42.92	A	plasticforkdiaries.org
204.9.42.92	A	plasticforkdiaries.com
204.9.42.101	PTR	raiamail.reston.org
204.9.42.119	A	woodingscorp.com
204.9.42.119	A	woodingshomebuilding.com
204.9.42.119	A	gogreenondemand.com
204.9.42.147	A	pickyourdecade.com
204.9.42.170	PTR	osmsinc.com
204.9.42.170	A	osp.osmsinc.com
204.9.42.171	PTR	204-9-42-171.lore.net
204.9.42.179	A+PTR	smtp-us.nga.net
204.9.42.211	PTR	iris.thinkport.org
204.9.42.211	A	www.labyrinth.thinkport.org
204.9.42.211	A	labyrinth.thinkport.org
204.9.42.229	PTR	204-9-42-229.lore.net
204.9.42.229	A	*.sacdogpound.net
204.9.42.229	A	dns1.sacdogpound.net
204.9.42.230	PTR	204-9-42-230.lore.net
204.9.42.230	A	www.bot.org
204.9.42.235	PTR	204-9-42-235.lore.net
204.9.42.235	A	mx.bot.org
204.9.42.235	A	webmail.bot.org
204.9.43.10	A	*.leadingageny.org
204.9.43.10	A	www.leadingageny.org
204.9.43.10	A	hostmaster.leadingageny.org
204.9.43.36	A+PTR	smtp-02.aptify.com
204.9.43.50	A	aptifyrdp.aptify.com
204.9.43.51	A+PTR	www.mocpa.org
204.9.43.52	A	delregatofoundation.org
204.9.43.52	A	cancerimagingandrtsymposium.com
204.9.43.52	A	scarop.org
204.9.43.63	A	pbi.org
204.9.43.67	PTR	aptifysmtp.clia.net
204.9.43.67	A	clia.me
204.9.43.67	A	cliatravel.org
204.9.43.69	A	wacities.org
204.9.43.76	PTR	naceweb-02.aptify.com
204.9.43.76	A	ras01.naceweb.org
204.9.43.76	A	ras02.naceweb.org
204.9.43.97	A	cginc.com
204.9.43.97	A	aptify.org
204.9.43.97	A	aptifycloud.com
204.9.43.102	A	aptifyuserconference.com
204.9.43.102	A	aptifyusersconference.com
204.9.43.107	A	nbcrnaweb-02.nbcrna.com
204.9.43.109	A+PTR	patweb-02b.aptify.com
204.9.43.109	A	ebiz.patnc.org
204.9.43.117	A	www.chausa.org
204.9.43.117	A	chausa.org
204.9.43.130	A	asdns-03.aptify.com
204.9.43.131	A	asdns-04.aptify.com
204.9.43.136	A+PTR	cediaweb-01.aptify.com
204.9.43.157	A+PTR	adaweb-01.aptify.com
204.9.43.157	A	catalog.ada.org
204.9.43.157	A	ebusiness.ada.org
204.9.43.163	PTR	astroweb-04.aptify.com
204.9.43.163	A	thoracicsymposium.net
204.9.43.163	A	www.thoracicsymposium.com
204.9.43.187	PTR	corenetweb-01.corenetglobal.org
204.9.43.187	A	resources.corenetglobal.org
204.9.43.195	A	wvc.org
204.9.43.206	A+PTR	nsbeweb-01.aptify.com
204.9.43.206	A	connect.nsbe.org
204.9.43.241	A+PTR	naceweb-03.aptify.com
204.9.43.241	A	naceweb.org
204.9.43.253	A	www.crs.com
204.9.43.253	A	crs.com