Robtex

Up: 208.64.88.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 208.64.88.0/23
Down right: 208.64.90.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
208.64.88.47	PTR	208.64.88.47.static.utbb.net
208.64.88.98	PTR	mail.discgenics.com
208.64.88.98	A	discgenics.com
208.64.88.100	PTR	208.64.88.100.static.utbb.net
208.64.88.102	PTR	208.64.88.102.static.utbb.net
208.64.88.102	A	smtp.mish-mosh.net
208.64.88.102	A	mail.winorigami.com
208.64.88.140	PTR	208.64.88.140.static.utbb.net
208.64.88.140	A	dwhp.org
208.64.88.177	PTR	208.64.88.177.static.utbb.net
208.64.88.188	A+PTR	mail.steelencounters.net
208.64.88.188	A	mail.seinorthwest.net
208.64.88.194	A	office.modyneinc.com
208.64.89.35	A	mail.medusabill.com
208.64.89.86	PTR	208.64.89.86.static.utbb.net
208.64.89.86	A	mail.sayyesfoundation.org
208.64.89.86	A	sayyestohealth.org
208.64.89.145	A+PTR	208.64.89.145.static.utbb.net
208.64.90.2	A	lockinvestments.com
208.64.90.6	A	mail.alpine-air.com
208.64.90.42	A	mail.larsandjoyfamily.com
208.64.90.42	A	smokengungamers.com
208.64.90.74	PTR	remote.xlear.com
208.64.90.93	PTR	208.64.90.93.static.utbb.net
208.64.90.118	PTR	208.64.90.118.static.utbb.net
208.64.90.118	A	reaschool.com
208.64.90.120	PTR	208.64.90.120.static.utbb.net
208.64.90.144	PTR	208.64.90.144.static.utbb.net
208.64.90.166	A	mail2.covenant-lds.com
208.64.90.206	PTR	208.64.90.206.static.utbb.net
208.64.90.218	PTR	208.64.90.218.static.utbb.net
208.64.90.218	A	ns1.codershop.com
208.64.90.218	A	ns2.codershop.com
208.64.90.243	A	ns.boomcellular.com
208.64.90.246	A+PTR	www.utahbroadband.com
208.64.90.246	A	utbb.net
208.64.90.246	A	utahbroadband.com
208.64.90.253	A+PTR	208.64.90.253.static.utbb.net
208.64.90.253	A	crackedblock.org
208.64.90.253	A	craftchocolatemakers.com
208.64.91.0	A	208.64.91.0.static.utbb.net
208.64.91.3	A+PTR	208.64.91.3.static.utbb.net
208.64.91.6	A+PTR	208.64.91.6.static.utbb.net
208.64.91.28	A+PTR	208.64.91.28.static.utbb.net
208.64.91.36	A+PTR	208.64.91.36.static.utbb.net
208.64.91.38	A+PTR	208.64.91.38.static.utbb.net
208.64.91.53	A+PTR	208.64.91.53.static.utbb.net
208.64.91.55	A+PTR	208.64.91.55.static.utbb.net
208.64.91.88	A+PTR	208.64.91.88.static.utbb.net
208.64.91.100	A+PTR	208.64.91.100.static.utbb.net
208.64.91.128	A+PTR	208.64.91.128.static.utbb.net
208.64.91.133	A+PTR	208.64.91.133.static.utbb.net
208.64.91.136	A+PTR	208.64.91.136.static.utbb.net
208.64.91.140	A+PTR	208.64.91.140.static.utbb.net
208.64.91.145	A+PTR	208.64.91.145.static.utbb.net
208.64.91.155	A+PTR	208.64.91.155.static.utbb.net
208.64.91.181	A+PTR	208.64.91.181.static.utbb.net
208.64.91.202	A+PTR	208.64.91.202.static.utbb.net
208.64.91.204	A+PTR	208.64.91.204.static.utbb.net
208.64.91.205	A+PTR	208.64.91.205.static.utbb.net
208.64.91.226	A+PTR	208.64.91.226.static.utbb.net
208.64.91.227	A+PTR	208.64.91.227.static.utbb.net
208.64.91.228	A+PTR	208.64.91.228.static.utbb.net
208.64.91.247	A+PTR	208.64.91.247.static.utbb.net