Robtex

Up: 192.61.48.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 192.61.56.0/22
Down right: 192.61.60.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
192.61.59.112	A+PTR	www.rmsg.unisys.com
192.61.59.112	A	rmsg.unisys.com
192.61.59.114	A+PTR	www.uscsc.unisys.com
192.61.59.116	A	www.eacsc.unisys.com
192.61.59.120	PTR	service-ess.unisys.com
192.61.59.120	A	ess.unisys.com
192.61.59.121	A+PTR	self-helpdesk.com
192.61.59.121	PTR	selfhelpdesk.com
192.61.59.121	A+PTR	www.self-helpdesk.com
192.61.61.40	PTR	eadns1.unisys.com
192.61.61.41	A+PTR	eadns1a.unisys.com
192.61.61.44	A+PTR	eadnsbuf.unisys.com
192.61.61.45	A+PTR	usea-dnsextmast.unisys.com
192.61.61.45	A	usea-dnsextmaster.unisys.com
192.61.61.66	A+PTR	192-61-6166.unisys.com
192.61.61.68	A+PTR	192-61-6168.unisys.com
192.61.61.68	A	ftp.unisys.com
192.61.61.69	A+PTR	192-61-6169.unisys.com
192.61.61.69	PTR	www.service.unisys.com
192.61.61.71	PTR	www.woc.unisys.com
192.61.61.74	A+PTR	192-61-6174.unisys.com
192.61.61.76	A+PTR	192-61-6176.unisys.com
192.61.61.76	A+PTR	rss.unisys.com
192.61.61.78	A+PTR	ftp.ess.unisys.com
192.61.61.79	PTR	ftp.strk.unisys.com
192.61.61.81	A+PTR	ftp.mns.unisys.com
192.61.61.81	A	mns.unisys.com
192.61.61.87	A+PTR	ftp.ucon.unisys.com
192.61.61.88	PTR	ftp.tps.unisys.com
192.61.61.99	A	eamail1-out.unisys.com
192.61.61.100	A	eanews1.unisys.com
192.61.61.101	A	eamail1-in.unisys.com
192.61.61.104	A	naedge.unisys.com
192.61.61.105	A	naedge.unisys.com
192.61.61.130	A+PTR	unires.unisys.com
192.61.61.131	A+PTR	unires1.unisys.com
192.61.61.135	A+PTR	oetravel.unisys.com
192.61.61.226	A+PTR	www.helptrak.unisys.com
192.61.62.12	A+PTR	192-61-6212.unisys.com