Robtex

Up: 198.102.72.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 198.102.73.0/25
Down right: 198.102.73.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
198.102.73.1	A+PTR	gw1.sharnoff.org
198.102.73.2	A+PTR	gw2.sharnoff.org
198.102.73.3	A+PTR	gw3.sharnoff.org
198.102.73.4	PTR	d.day.org
198.102.73.5	A+PTR	a.198.day.org
198.102.73.6	PTR	c.day.org
198.102.73.7	PTR	b.day.org
198.102.73.9	A+PTR	vz1.day.org
198.102.73.10	A+PTR	mail.day.org
198.102.73.11	A+PTR	dsl.idiom.org
198.102.73.12	A+PTR	nms.idiom.org
198.102.73.13	A+PTR	ns.idiom.us
198.102.73.13	A	ns.idiom.org
198.102.73.13	A	ns.responsible.com
198.102.73.14	A+PTR	www.ciscowiki.com
198.102.73.14	A	ciscowiki.com
198.102.73.15	PTR	vserver.vennerable.com
198.102.73.15	A	authentic-and-replica-handbags.com
198.102.73.15	A	wedding-engagement-rings.com
198.102.73.16	A+PTR	jffnms.day.org
198.102.73.17	A+PTR	ir.responsible.com
198.102.73.18	A+PTR	mailtest.day.org
198.102.73.19	PTR	newmail.day.org
198.102.73.25	PTR	colobackup.backplane.com
198.102.73.50	A	jade.day.org
198.102.73.51	PTR	ostemplate-ubuntu-12-4.day.org
198.102.73.52	PTR	vz951.day.org
198.102.73.53	PTR	vz952.day.org
198.102.73.64	A+PTR	vz2.day.org
198.102.73.65	A+PTR	sh.day.org
198.102.73.65	A	shirleysaunders.com
198.102.73.65	A	dave.sharnoff.org
198.102.73.66	A+PTR	spamdb.day.org
198.102.73.67	A+PTR	blacklist.day.org
198.102.73.68	A+PTR	db.day.org
198.102.73.69	A+PTR	mx.day.org
198.102.73.69	A	mx0b.garnet.com
198.102.73.69	A	mx0a.garnet.com
198.102.73.70	A+PTR	server.day.org
198.102.73.71	A+PTR	host71.day.org
198.102.73.71	A	wiki.day.org
198.102.73.72	A	news.day.org
198.102.73.73	A+PTR	dns.day.org
198.102.73.74	A+PTR	mx0.day.org
198.102.73.75	A+PTR	pbx.sharnoff.org
198.102.73.76	A+PTR	tree.sharnoff.org
198.102.73.77	A+PTR	free-compilers.sharnoff.org
198.102.73.77	A+PTR	www.sharnoff.org
198.102.73.78	PTR	gallery.sharnoff.org
198.102.73.79	A+PTR	gallery2.sharnoff.org
198.102.73.80	A+PTR	eric.day.org
198.102.73.81	A+PTR	psdev.day.org
198.102.73.82	A+PTR	engineerforhire.com
198.102.73.83	A+PTR	swapeze.day.org
198.102.73.85	A+PTR	eric2.day.org
198.102.73.86	PTR	twiki.categorize.com
198.102.73.88	A+PTR	qemu88.dragonflybsd.org
198.102.73.89	A+PTR	qemu89.dragonflybsd.org
198.102.73.90	A+PTR	qemu90.dragonflybsd.org
198.102.73.91	A+PTR	qemu91.dragonflybsd.org
198.102.73.100	PTR	jira.vennerable.com
198.102.73.101	PTR	wiki.vennerable.com
198.102.73.128	A+PTR	dhcp128.day.org
198.102.73.129	A+PTR	dhcp129.day.org
198.102.73.130	A+PTR	dhcp130.day.org
198.102.73.131	A+PTR	dhcp131.day.org
198.102.73.132	A+PTR	dhcp132.day.org
198.102.73.133	A+PTR	dhcp133.day.org
198.102.73.134	A	dhcp134.day.org
198.102.73.135	A+PTR	dhcp135.day.org
198.102.73.136	A	dhcp136.day.org
198.102.73.137	A+PTR	dhcp137.day.org
198.102.73.138	A	dhcp138.day.org
198.102.73.139	PTR	dhcp139.day.org
198.102.73.140	A+PTR	dhcp140.day.org
198.102.73.141	A+PTR	dhcp141.day.org
198.102.73.142	A+PTR	dhcp142.day.org
198.102.73.143	A+PTR	dhcp143.day.org
198.102.73.144	A+PTR	dhcp144.day.org
198.102.73.145	A+PTR	dhcp145.day.org
198.102.73.146	A+PTR	dhcp146.day.org
198.102.73.147	A+PTR	dhcp147.day.org
198.102.73.148	A+PTR	dhcp148.day.org
198.102.73.149	A+PTR	dhcp149.day.org
198.102.73.150	A	dhcp150.day.org
198.102.73.151	A+PTR	dhcp151.day.org