Robtex

Up: 65.75.16.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 65.75.24.0/22
Down right: 65.75.28.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
65.75.24.82	PTR	ns.johnquinn.com
65.75.24.83	PTR	ns.johnquinn.net
65.75.24.83	A	scorpio.johnquinn.net
65.75.24.84	A+PTR	ns.johnquinn.org
65.75.24.84	A	scorpio.johnquinn.org
65.75.24.122	PTR	buckosoft.com
65.75.25.26	PTR	mail2.benistar.com
65.75.25.49	A	q3.tomtec.com
65.75.25.50	PTR	server01.fabriqueusa.com
65.75.25.50	A	q4.tomtec.com
65.75.25.77	A	emookie.net
65.75.25.82	A+PTR	mailman.atsworldwide.com
65.75.25.107	PTR	hickoryhill.com
65.75.25.108	A	www3.hickoryhill.com
65.75.25.113	A	router.johnmerriam.net
65.75.25.114	PTR	server.johnmerriam.net
65.75.25.114	A	icculus.net
65.75.25.114	A	johnmerriam.com
65.75.25.120	A	machine08.johnmerriam.net
65.75.25.121	A	machine09.johnmerriam.net
65.75.25.122	A	machine10.johnmerriam.net
65.75.25.123	A	machine11.johnmerriam.net
65.75.25.145	A	nat.secadieux.com
65.75.25.145	A	mail.secadieux.com
65.75.25.154	A	mail.crnradio.com
65.75.29.8	PTR	ip-414b1d08.ct.fixed.mags.net
65.75.29.24	PTR	ip-414b1d18.ct.fixed.mags.net
65.75.29.139	PTR	ip-414b1d8b.ct.fixed.mags.net
65.75.29.186	PTR	ip-414b1dba.ct.fixed.mags.net
65.75.29.211	PTR	ip-414b1dd3.ct.fixed.mags.net
65.75.29.232	PTR	ip-414b1de8.ct.fixed.mags.net
65.75.29.233	A	mail.thebee.com