Robtex

Up: 216.196.96.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 216.196.96.0/21
Down right: 216.196.104.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
216.196.96.2	A	gw2.dca.giganews.com
216.196.96.5	A	gw1-g.dca.giganews.com
216.196.96.13	A	cs2-g.dca.giganews.com
216.196.96.46	A	sw2-g.dca.giganews.com
216.196.96.54	A+PTR	gw1.mia.giganews.com
216.196.96.86	A+PTR	shaw.giganews.com
216.196.97.5	PTR	www.dca.giganews.com
216.196.97.129	PTR	testing.giganews.com
216.196.97.129	A	test.giganews.com
216.196.97.131	PTR	news.giganews.com
216.196.97.134	A	event.giganews.com
216.196.97.142	A	news.rcn.net
216.196.97.142	A	news.eni.net
216.196.97.144	PTR	news-europe.giganews.com
216.196.97.145	PTR	europe.isp.giganews.com
216.196.97.160	PTR	news.rhinonewsgroups.com
216.196.97.161	PTR	news.powerusenet.com
216.196.97.169	A+PTR	news.mozilla.giganews.com
216.196.97.170	PTR	rs101.dca.giganews.com
216.196.97.172	A	rs103.giganews.com
216.196.97.172	A	news.graboid.com
216.196.97.172	A	rs103.dca.giganews.com
216.196.97.224	PTR	www.giganews.com
216.196.97.225	PTR	secure.giganews.com
216.196.97.226	PTR	de.giganews.com
216.196.97.227	PTR	es.giganews.com
216.196.98.1	A+PTR	gw-vlan201.dca.giganews.com
216.196.98.11	A	serv3.gc.dca.giganews.com
216.196.98.80	A	temp1-1.dca.giganews.com
216.196.98.82	A	temp2-1.dca.giganews.com
216.196.98.93	A	pd1-1.dca.giganews.com
216.196.98.95	A	pd2-1.dca.giganews.com
216.196.98.99	A	cs1-1.dca.giganews.com
216.196.98.101	A	cs2-1.dca.giganews.com
216.196.98.102	A	cs2-2.dca.giganews.com
216.196.98.103	A	cs3-1.dca.giganews.com
216.196.98.113	A+PTR	p1-1.dca.giganews.com
216.196.98.115	A	p2-1.dca.giganews.com
216.196.98.117	A	p3-1.dca.giganews.com
216.196.98.118	A	p3-2.dca.giganews.com
216.196.98.142	A	border3.nntp.dca.giganews.com
216.196.98.144	A+PTR	border3-2.nntp.dca.giganews.com
216.196.98.144	A	border3.nntp.dca.giganews.com
216.196.98.145	PTR	border4-2.nntp.dca.giganews.com
216.196.98.146	PTR	border3-3.nntp.dca.giganews.com
216.196.98.146	A	border3.nntp.dca.giganews.com
216.196.98.147	A	border4-3.nntp.dca.giganews.com
216.196.98.148	A	border1.nntp.dca.giganews.com
216.196.98.150	A	border1.nntp.dca.giganews.com
216.196.98.152	A	border1.nntp.dca.giganews.com
216.196.98.224	A+PTR	radius.auth.giganews.com
216.196.98.225	A+PTR	radius.auth.giganews.com
216.196.98.226	A+PTR	radius.auth.giganews.com
216.196.98.227	A+PTR	radius.auth.giganews.com
216.196.99.33	A	r18.gc.dca.giganews.com
216.196.99.39	A	r24.gc.dca.giganews.com
216.196.99.56	A	r41.gc.dca.giganews.com
216.196.99.76	A	r61.gc.dca.giganews.com
216.196.99.80	A+PTR	r65.gc.dca.giganews.com
216.196.99.83	A+PTR	r68.gc.dca.giganews.com
216.196.100.9	A	fw2.dca.giganews.com
216.196.100.29	A	ucc01.dca.giganews.com
216.196.100.31	A	cruncher1.eur-transit.view.giganews.com
216.196.100.48	PTR	configs.giganews.com
216.196.100.135	PTR	www.giganews.com
216.196.100.135	A	web.giganews.com
216.196.100.135	A	datafoundrydmca.com
216.196.100.210	A	db4.dca.giganews.com
216.196.100.215	A+PTR	db2.dca2.giganews.com
216.196.104.2	A+PTR	gw2.dca2.giganews.com
216.196.105.131	PTR	news.giganews.com
216.196.105.144	PTR	news-europe.giganews.com
216.196.105.160	PTR	news.rhinonewsgroups.com
216.196.105.161	PTR	news.powerusenet.com
216.196.105.169	PTR	news.mozilla.giganews.com
216.196.105.224	PTR	www.giganews.com
216.196.105.225	PTR	secure.giganews.com
216.196.105.226	PTR	de.giganews.com
216.196.105.227	PTR	es.giganews.com
216.196.106.80	A	temp1-1.dca2.giganews.com
216.196.106.93	A	pd1-1.dca2.giganews.com
216.196.106.99	A	cs1-1.dca2.giganews.com
216.196.106.101	A	cs2-1.dca2.giganews.com
216.196.106.105	A	cs4-1.dca2.giganews.com
216.196.106.113	A	p1-1.dca2.giganews.com
216.196.106.115	A	p2-1.dca2.giganews.com
216.196.106.117	A	p3-1.dca2.giganews.com
216.196.106.119	A	p4-1.dca2.giganews.com
216.196.107.16	PTR	r01.gc.ams2.giganews.com
216.196.107.19	PTR	r04.gc.ams2.giganews.com
216.196.107.32	PTR	r17.gc.ams2.giganews.com
216.196.107.48	PTR	r33.gc.ams2.giganews.com
216.196.108.1	A	gw1.ams.giganews.com
216.196.108.14	A	cs3-g.ams.giganews.com
216.196.108.15	A	cs4.ams.giganews.com
216.196.108.138	A	sw1-g.ams.giganews.com
216.196.109.131	PTR	news.giganews.com
216.196.109.139	A	ns4.giganews.com
216.196.109.144	PTR	news-europe.giganews.com
216.196.109.145	PTR	europe.isp.giganews.com
216.196.109.145	A	news.xenosite.net
216.196.109.145	A	usenet.plus.net
216.196.109.146	PTR	text.isp.giganews.com
216.196.109.160	PTR	news.rhinonewsgroups.com
216.196.109.161	PTR	news.powerusenet.com
216.196.110.3	A	vl201.gw1.ams.giganews.com
216.196.110.10	A	serv2.gc.ams.giganews.com
216.196.110.78	A	kvm1.ams.giganews.com
216.196.110.83	A	temp2-2.ams.giganews.com
216.196.110.93	A	pd1-1.ams.giganews.com
216.196.110.96	A	pd2-2.ams.giganews.com
216.196.110.97	A	pd1-3.ams.giganews.com
216.196.110.98	A	pd2-3.ams.giganews.com
216.196.110.100	A	cs1-2.ams.giganews.com
216.196.110.121	A	p5-1.ams.giganews.com
216.196.110.122	A	p5-2.ams.giganews.com
216.196.110.132	A	gcf1.nntp.ams.giganews.com
216.196.110.140	A	backlog1.nntp.ams.giganews.com
216.196.110.140	A	news-out.nntp.giganews.com
216.196.110.141	A	news-out.nntp.giganews.com
216.196.110.141	A	backlog2.nntp.ams.giganews.com
216.196.110.142	A	news-out.nntp.giganews.com
216.196.110.142	A	border3.nntp.ams.giganews.com
216.196.110.143	A	news-out.nntp.giganews.com
216.196.110.143	A	border4.nntp.ams.giganews.com
216.196.110.144	A+PTR	border3-2.nntp.ams.giganews.com
216.196.110.144	A	news-out.nntp.giganews.com
216.196.110.144	A	border3.nntp.ams.giganews.com
216.196.110.145	PTR	border4-2.nntp.ams.giganews.com
216.196.110.145	A	news-out.nntp.giganews.com
216.196.110.145	A	border4.nntp.ams.giganews.com
216.196.110.146	A	news-out.nntp.giganews.com
216.196.110.146	A	border3.nntp.ams.giganews.com
216.196.110.147	PTR	border4-3.nntp.ams.giganews.com
216.196.110.147	A	news-out.nntp.giganews.com
216.196.110.147	A	border4.nntp.ams.giganews.com
216.196.110.148	A	news-out.nntp.giganews.com
216.196.110.149	A	news-out.nntp.giganews.com
216.196.110.150	A	news-out.nntp.giganews.com
216.196.110.151	A	news-out.nntp.giganews.com
216.196.110.152	A	news-out.nntp.giganews.com
216.196.110.153	A	news-out.nntp.giganews.com
216.196.110.154	A	news-out.nntp.giganews.com
216.196.110.155	A	news-out.nntp.giganews.com
216.196.110.155	A	backlog4.nntp.ams.giganews.com
216.196.110.158	A	news-out.nntp.giganews.com
216.196.110.162	PTR	gcf1.nntp.ams.giganews.com
216.196.110.167	A	news-out.nntp.giganews.com
216.196.110.174	A	news-out.nntp.giganews.com
216.196.110.175	A	news-out.nntp.giganews.com
216.196.110.175	A	backlog4.nntp.ams.giganews.com
216.196.110.176	PTR	216-196-110-176.ams.giganews.com
216.196.110.176	A	news-out.nntp.giganews.com
216.196.110.177	PTR	216-196-110-177.ams.giganews.com
216.196.110.177	A	news-out.nntp.giganews.com
216.196.110.177	A	backlog4.nntp.ams.giganews.com
216.196.110.178	PTR	216-196-110-178.ams.giganews.com
216.196.110.178	A	news-out.nntp.giganews.com
216.196.110.179	PTR	216-196-110-179.ams.giganews.com
216.196.110.179	A	news-out.nntp.giganews.com
216.196.110.179	A	backlog4.nntp.ams.giganews.com
216.196.110.224	A+PTR	radius.auth.giganews.com
216.196.110.225	A+PTR	radius.auth.giganews.com
216.196.110.226	A+PTR	radius.auth.giganews.com
216.196.110.227	A+PTR	radius.auth.giganews.com
216.196.111.76	A	r61.gc.ams.giganews.com
216.196.111.81	PTR	r66.gc.ams.giganews.com
216.196.111.83	A+PTR	r68.gc.ams.giganews.com
216.196.111.88	A	r73.gc.ams.giganews.com
216.196.111.97	A+PTR	r82.gc.ams.giganews.com
216.196.111.131	A+PTR	r116.gc.ams.giganews.com