Robtex

Up: 198.186.152.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 198.186.156.0/23
Down right: 198.186.158.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
198.186.156.0	A	apo.fdbs.com
198.186.156.1	A	c3925-inet.fdbs.com
198.186.156.1	A	cisco366i.fdbs.com
198.186.156.2	A	firebox.fdbs.com
198.186.156.6	A+PTR	sdcxtm02.fdbs.com
198.186.156.11	A	sdns2.fdbs.com
198.186.156.11	A	dns01-156.fdbs.com
198.186.156.12	A	backuppc.fdbs.com
198.186.156.44	A	cogswell.fdbs.com
198.186.156.45	A	spaceley.fdbs.com
198.186.156.51	A	fcb51.fdbs.com
198.186.156.52	A	fieldcaesar.fdbs.com
198.186.156.55	A	fcb55.fdbs.com
198.186.156.60	PTR	esx1.er.net
198.186.156.61	A	vm11.er.net
198.186.156.66	A	vm16.er.net
198.186.156.67	A	swc156b.fdbs.com
198.186.156.69	A+PTR	www.er.net
198.186.156.69	A	ns1.er.net
198.186.156.70	A+PTR	isiweb.fdbs.com
198.186.156.71	A	isidvlp-i.fdbs.com
198.186.156.84	A	spitfire.fdbs.com
198.186.156.85	A	corsair.fdbs.com
198.186.156.86	PTR	intruder.fdbs.com
198.186.156.86	A	ns3.fdbs.com
198.186.156.86	A	lvns1.fdbs.com
198.186.156.88	A	mustang.fdbs.com
198.186.156.89	A	thunderbolt.fdbs.com
198.186.156.90	A	lightning.fdbs.com
198.186.156.101	A	swc156c.fdbs.com
198.186.156.144	A	apo.fdbs.com
198.186.156.148	A	apo.fdbs.com
198.186.156.151	A	laserfiche.fdbs.com
198.186.156.171	A+PTR	mx01.fdbs.com
198.186.156.171	A	localmail.fdbs.com
198.186.156.172	A+PTR	ws01.fdbs.com
198.186.156.173	A	ns01.fdbs.com
198.186.156.174	A+PTR	www1.fdbs.com
198.186.156.177	A+PTR	uniblab6.fdbs.com
198.186.156.180	A	vmware01.fdbs.com
198.186.156.181	A	vm01rh9nfs.fdbs.com
198.186.156.182	A	vm01trixbox.fdbs.com
198.186.156.183	A	vm01devws01.fdbs.com
198.186.156.184	A+PTR	vm01devws02.fdbs.com
198.186.156.191	A+PTR	mx02.fdbs.com
198.186.156.191	A	localmail.fdbs.com
198.186.156.203	A	apovm1x3.fdbs.com
198.186.156.210	A	apovm2.fdbs.com
198.186.156.221	A	tfawd.fdbs.com
198.186.156.222	A	tfawd.fdbs.com
198.186.156.222	A	tfalf8dc2.tfawd.fdbs.com
198.186.156.240	A	ftp01.fdbs.com
198.186.156.241	A+PTR	ftp02.fdbs.com
198.186.156.242	A+PTR	pershing.fdbs.com
198.186.156.243	A	albridge.fdbs.com
198.186.156.246	A	icon.fdbs.com
198.186.157.9	A	oldeagle.fdbs.com
198.186.157.11	A+PTR	eagle.fdbs.com
198.186.157.12	A	banshee.fdbs.com
198.186.157.14	A	fulcrum.fdbs.com
198.186.157.15	A+PTR	hornet.fdbs.com
198.186.157.16	A	prowler.fdbs.com
198.186.157.20	A+PTR	tomcat.fdbs.com
198.186.157.21	A	raven.fdbs.com
198.186.157.22	A+PTR	fencer.fdbs.com
198.186.157.23	A+PTR	voodoo.fdbs.com
198.186.157.24	A+PTR	typhoon.fdbs.com
198.186.157.33	A	neweagle.fdbs.com
198.186.157.47	A	oldhornet.fdbs.com
198.186.157.61	A	cisco366p.fdbs.com
198.186.157.62	A+PTR	mx2800.fdbs.com
198.186.157.86	A+PTR	foxbat.fdbs.com
198.186.157.86	A	sdns1.fdbs.com
198.186.157.94	A	drax.fdbs.com
198.186.157.99	A	max00.fdbs.com
198.186.157.100	A	hmc01.fdbs.com
198.186.157.120	A+PTR	tor-vio1.fdbs.com
198.186.157.121	A	tor-vio2.fdbs.com
198.186.157.122	A+PTR	wgs-prod.fdbs.com
198.186.157.123	A	wgs-dvlp.fdbs.com
198.186.157.153	A	win95cart.fdbs.com
198.186.157.170	A+PTR	tsmvio.fdbs.com
198.186.157.171	A	bearcat.fdbs.com
198.186.157.173	A+PTR	nim1.fdbs.com
198.186.157.174	A	tsmtst.fdbs.com
198.186.157.175	A	p52a01lp5.fdbs.com
198.186.157.176	A	p52a01lp6.fdbs.com
198.186.157.177	A	p52a01lp7.fdbs.com
198.186.157.178	A	p52a01lp8.fdbs.com
198.186.157.179	A	p52a01lp9.fdbs.com
198.186.157.200	A	slc32.fdbs.com
198.186.157.201	A	dns01-157.fdbs.com
198.186.157.251	A	sprint-mpls.fdbs.com
198.186.158.85	A+PTR	athens.fdbs.com
198.186.158.162	A	joyceann.fdbs.com
198.186.159.144	A	christmasatamplify.com
198.186.159.144	A	bowandcowellness.com
198.186.159.144	A	stratcogroup.com
198.186.159.145	A	christmasatamplify.com