Robtex

Up: 208.65.216.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 208.65.220.0/23
Down right: 208.65.222.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
208.65.220.0	PTR	208-65-220-0.utilitytelephone.net
208.65.220.2	PTR	208-65-220-2.utilitytelephone.net
208.65.220.4	PTR	208-65-220-4.utilitytelephone.net
208.65.220.8	PTR	208-65-220-8.utilitytelephone.net
208.65.220.9	PTR	208-65-220-9.utilitytelephone.net
208.65.220.13	PTR	208-65-220-13.utilitytelephone.net
208.65.220.16	PTR	208-65-220-16.utilitytelephone.net
208.65.220.35	PTR	208-65-220-35.utilitytelephone.net
208.65.220.42	PTR	208-65-220-42.utilitytelephone.net
208.65.220.44	PTR	208-65-220-44.utilitytelephone.net
208.65.220.70	PTR	208-65-220-70.utilitytelephone.net
208.65.220.73	PTR	208-65-220-73.utilitytelephone.net
208.65.220.94	PTR	208-65-220-94.utilitytelephone.net
208.65.220.106	PTR	208-65-220-106.utilitytelephone.net
208.65.220.125	PTR	208-65-220-125.utilitytelephone.net
208.65.220.130	PTR	208-65-220-130.utilitytelephone.net
208.65.220.135	PTR	208-65-220-135.utilitytelephone.net
208.65.220.150	PTR	208-65-220-150.utilitytelephone.net
208.65.220.155	PTR	208-65-220-155.utilitytelephone.net
208.65.220.194	PTR	208-65-220-194.utilitytelephone.net
208.65.220.204	PTR	208-65-220-204.utilitytelephone.net
208.65.220.207	PTR	208-65-220-207.utilitytelephone.net
208.65.220.220	PTR	208-65-220-220.utilitytelephone.net
208.65.220.238	PTR	208-65-220-238.utilitytelephone.net
208.65.220.243	PTR	208-65-220-243.utilitytelephone.net
208.65.220.251	PTR	208-65-220-251.utilitytelephone.net
208.65.220.255	PTR	208-65-220-255.utilitytelephone.net
208.65.221.22	PTR	208-65-221-22.utilitytelephone.net
208.65.221.22	A	www.tpocc.org
208.65.221.22	A	ns1.a-jay.com
208.65.221.94	PTR	208-65-221-94.utilitytelephone.net
208.65.221.150	PTR	mail.fei-fi.com
208.65.221.150	A	fei-fi.net
208.65.221.150	A	fei-fi.us
208.65.221.154	PTR	smtp2.infogard.com
208.65.221.240	PTR	208-65-221-240.utilitytelephone.net
208.65.221.245	A+PTR	authdns03.callamerica.com
208.65.221.248	A	rdns03.utilitytelephone.net
208.65.221.251	A+PTR	authdns03.utilitytelephone.net
208.65.222.10	A	mail.bolt-transport.net
208.65.222.30	A	mail.ssblaw.com
208.65.222.58	PTR	208-65-222-58.utilitytelephone.net
208.65.222.59	PTR	mail.talleyvineyards.com
208.65.222.154	PTR	mail.t-mha.org
208.65.222.178	PTR	mail-old.case.net
208.65.222.187	A	ip-187.case.net
208.65.222.222	PTR	208-65-222-222.utilitytelephone.net
208.65.223.2	A+PTR	mail.meatheadmovers.com
208.65.223.2	A	mail.meatheadministorage.com
208.65.223.66	A	sscinfo.com
208.65.223.114	A	kirk-consulting.net
208.65.223.114	A	mx.kirk-consulting.net
208.65.223.114	A	mx.kirk-construction.net
208.65.223.186	PTR	smtp.slotax.com
208.65.223.195	A	mail.barnettcox.com
208.65.223.242	A+PTR	mail.coateslegal.com