Robtex

Up: 216.150.96.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 216.150.96.0/22
Down right: 216.150.100.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
216.150.96.56	PTR	invalid.mannford.ok.mbo.net
216.150.96.66	PTR	paw5200-2-async-p1.pawnee.ok.mbo.net
216.150.96.74	PTR	paw5200-2-async-p9.pawnee.ok.mbo.net
216.150.96.107	PTR	paw5200-2-async-p42.pawnee.ok.mbo.net
216.150.96.139	PTR	invalid.mannford.ok.mbo.net
216.150.97.27	PTR	invalid.potowatami.ok.mbo.net
216.150.97.32	PTR	invalid.potowatami.ok.mbo.net
216.150.97.89	PTR	invalid.potowatami.ok.mbo.net
216.150.97.97	PTR	invalid.potowatami.ok.mbo.net
216.150.98.35	PTR	shidler-dsl-34.shidler.ok.mbo.net
216.150.98.138	PTR	shidler-dsl-137.shidler.ok.mbo.net
216.150.98.160	PTR	shidler-dsl-159.shidler.ok.mbo.net
216.150.98.178	PTR	shidler-dsl-177.shidler.ok.mbo.net
216.150.98.233	PTR	shidler-dsl-232.shidler.ok.mbo.net
216.150.99.90	PTR	mnfd-afc1-dsl-89.mannford.ok.mbo.net
216.150.99.154	PTR	mnfd-afc1-dsl-153.mannford.ok.mbo.net
216.150.99.160	PTR	mnfd-afc1-dsl-159.mannford.ok.mbo.net
216.150.99.200	PTR	mnfd-afc1-dsl-199.mannford.ok.mbo.net
216.150.100.1	PTR	ns1.mbo.net
216.150.100.2	PTR	ns2.mbo.net
216.150.100.4	A+PTR	ftp.mbo.net
216.150.100.4	A+PTR	www.mbo.net
216.150.100.6	A	mx1.mbo.net
216.150.100.7	A	mx2.mbo.net
216.150.100.8	A	mx3.mbo.net
216.150.100.10	A	www2.mbo.net
216.150.100.12	A	mboaviation.com
216.150.100.12	A	ntwww2.mbo.net
216.150.100.25	A	mnfrdhcp01.mbo.net
216.150.100.25	A	mnfrokdhcp01.mbo.net
216.150.100.33	PTR	mailgate2.mbo.net
216.150.100.51	PTR	mail.mbo.net
216.150.100.84	A	datzfast.net
216.150.100.84	A	*.datzfast.net
216.150.100.84	A	datzfast.biz
216.150.100.250	PTR	invalid.mannford.ok.mbo.net
216.150.101.6	PTR	wargw-ser-1-1.warner.ok.mbo.net
216.150.101.27	A	mail.airfliteok.com
216.150.101.27	A	mail.cjtrucks.com
216.150.102.18	PTR	invalid.warner.ok.mbo.net
216.150.103.3	PTR	ear5350-2-async-p2.earlsboro.ok.mbo.net
216.150.103.48	PTR	ear5350-2-async-p47.earlsboro.ok.mbo.net
216.150.103.114	PTR	ear5350-2-async-p113.earlsboro.ok.mbo.net
216.150.103.219	PTR	ear5350-2-async-p218.earlsboro.ok.mbo.net
216.150.103.242	PTR	ear5350-2-async-p241.earlsboro.ok.mbo.net