Robtex

Up: 198.59.64.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 198.59.96.0/20
Down right: 198.59.112.0/20

IP	Type	Hostname
198.59.98.2	PTR	2_98_59_198.osogrande.com
198.59.98.3	PTR	3_98_59_198.osogrande.com
198.59.98.130	A	losalamos.k12.nm.us
198.59.98.164	A	oso_198_164.technologysolutions.net
198.59.98.167	A	oso_198_167.technologysolutions.net
198.59.98.167	A	mcaelearning.com
198.59.98.173	A	bizzsmarts.com
198.59.99.34	PTR	34_99_59_198.osogrande.com
198.59.103.98	A	innovatemail2011.com
198.59.103.99	A	innovatemail2011.com
198.59.105.163	PTR	fty34.cpsienes.com
198.59.107.28	A	tseh028.enmu.edu
198.59.107.96	A+PTR	omneona.enmu.edu
198.59.107.251	A	itste001.enmu.edu
198.59.108.249	A	itsnv429.enmu.edu
198.59.109.7	A	internet.roadrunner.com
198.59.109.7	A	ftp.roadrunner.com
198.59.113.101	PTR	offerqueenuk.com
198.59.113.102	PTR	offerqueenuk.com
198.59.113.103	PTR	offerqueenuk.com
198.59.113.104	PTR	offerqueenuk.com
198.59.113.225	PTR	clk.tcmediauk.com
198.59.115.1	A	tenkuu.swcp.com
198.59.115.2	A+PTR	kitsune.swcp.com
198.59.115.2	A	ns.nmia.com
198.59.115.2	A	ns2.thuntek.net
198.59.115.4	PTR	tora.swcp.com
198.59.115.33	A+PTR	tc1.swcp.com
198.59.115.37	A	nakedfugu.swcp.com
198.59.115.39	A	mimizu-198.swcp.com
198.59.115.40	A	valmont.swcp.com
198.59.115.66	A	kamereon-115.swcp.com
198.59.115.67	PTR	forum.mgtsciences.com
198.59.115.69	A	silkie.swcp.com
198.59.115.71	A	komori.swcp.com
198.59.115.72	A	sh2.swcp.com
198.59.115.97	PTR	marcos.swcp.com
198.59.115.98	A+PTR	ddixon.swcp.com
198.59.115.99	A+PTR	rballance.com
198.59.115.104	A	pm5.swcp.com
198.59.115.107	A	dpm1.swcp.com
198.59.115.128	PTR	fbtarch.com
198.59.115.129	A	kporter.swcp.com
198.59.115.130	A	buscom.swcp.com
198.59.115.131	A	raba-115.swcp.com
198.59.115.133	A	mkochis.swcp.com
198.59.115.160	A	yossarian.swcp.com
198.59.115.161	PTR	uspca.swcp.com
198.59.115.164	PTR	mail.megacorpinc.com
198.59.115.167	A+PTR	cobalt.swcp.com
198.59.115.175	A	saru.swcp.com
198.59.115.178	A	msc.swcp.com
198.59.115.192	A	jcjordan.swcp.com
198.59.115.194	A+PTR	kaba.swcp.com
198.59.115.199	A	builder.swcp.com
198.59.115.201	A	saturn.swcp.com
198.59.115.225	A+PTR	mail.hayspc.com
198.59.115.226	PTR	ebert.com
198.59.115.227	A	ucomp.swcp.com
198.59.115.229	A	kletzli.swcp.com
198.59.115.235	A	wolford.abq.nm.us
198.59.120.162	PTR	162_120_59_198.osogrande.com
198.59.123.130	PTR	mail.geonews247.com
198.59.123.131	PTR	mail.geonews247.com
198.59.123.132	PTR	mail.geonews247.com
198.59.123.133	PTR	mail.geonews247.com
198.59.126.195	PTR	lnk.capitalmail7.com