Robtex

Up: 204.97.96.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 204.97.96.0/22
Down right: 204.97.100.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
204.97.96.118	PTR	mail.clickradio.com
204.97.96.125	PTR	mail.peconiclanding.net
204.97.96.226	PTR	bbnymail2.bestbrands.com
204.97.96.227	A	mx.bestbrands.com
204.97.96.227	A	bbnymail2.bestbrands.com
204.97.96.242	PTR	mail.whitsons.com
204.97.97.170	A	perfectaire.net
204.97.97.194	A	cvd-204-97-97-194.i-2000.net
204.97.97.242	A+PTR	ns2.encompasscap.com
204.97.97.248	A	mail.encompasscap.com
204.97.98.3	PTR	w3.ismnet.com
204.97.98.4	PTR	w4.ismnet.com
204.97.98.5	PTR	w5.ismnet.com
204.97.98.10	PTR	mail.parekhcorp.com
204.97.98.10	PTR	ip.i-2000.net
204.97.98.12	PTR	w12.ismnet.com
204.97.98.15	PTR	w15.ismnet.com
204.97.98.21	PTR	mail.indiasweethome.com
204.97.98.44	PTR	relay2.i-2000.com
204.97.98.52	PTR	w52.ismnet.com
204.97.98.53	PTR	w53.ismnet.com
204.97.98.54	PTR	w54.ismnet.com
204.97.98.77	PTR	linux.ismnet.com
204.97.98.98	PTR	mail.sentrydetection.com
204.97.98.131	PTR	ns1.bqinternet.com
204.97.98.132	PTR	ns2.bqinternet.com
204.97.98.133	PTR	mail.bqinternet.com
204.97.99.4	PTR	w4.ismnet.com
204.97.99.15	PTR	w15.ismnet.com
204.97.100.3	PTR	dyna3.dh.i-2000.com
204.97.100.4	PTR	dyna4.dh.i-2000.com
204.97.100.33	PTR	undernet.com
204.97.100.172	A	mybitpit.com
204.97.101.141	PTR	fc4.emnet.com
204.97.101.145	PTR	emnet101-145.emnet.com
204.97.102.5	A	rhlan05.peconic.net
204.97.102.74	A	mailproxy.connection18.com
204.97.102.75	A	mail.connection18.com
204.97.102.75	A	email.connection18.com
204.97.102.115	A+PTR	remote.cypressgp.com
204.97.102.129	A	s21-easthampton.i-2000.net
204.97.102.251	A	mail.theturtlebaygroup.com
204.97.103.50	PTR	peconic.net
204.97.103.50	A+PTR	ns1.peconic.net
204.97.103.50	A+PTR	pecsrv.peconic.net
204.97.103.60	PTR	1coastal.com
204.97.103.60	PTR	atlanticterrace.com
204.97.103.60	PTR	barefootcontessa.com
204.97.103.61	PTR	easthamptonpoint.com
204.97.103.61	PTR	forumproducts.com
204.97.103.61	PTR	gansettgreenmanor.com
204.97.103.62	PTR	hamptonsworld.com
204.97.103.62	PTR	kazdin.com
204.97.103.62	PTR	laurellinks.com
204.97.103.63	PTR	panoramicview.com
204.97.103.63	PTR	pdirealty.com
204.97.103.63	PTR	peconic.com
204.97.103.64	PTR	peconiconline.com
204.97.103.64	PTR	wlng.com
204.97.103.64	PTR	www.peconiconline.com
204.97.103.65	A	bridesnewyork.com
204.97.103.67	A	i-2000.net
204.97.103.67	A	www.i-2000.net
204.97.103.130	PTR	indyeastend.com
204.97.103.130	PTR	www.indyeastend.com
204.97.103.131	A+PTR	www2.peconic.net
204.97.103.131	A	winecountrycaterer.com
204.97.103.131	A	nautilusbuilding.com