Robtex

Up: 204.9.240.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 204.9.248.0/22
Down right: 204.9.252.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
204.9.248.114	PTR	204-9-248-114.pctelcom.coop
204.9.248.114	A	ns1.pctelcom.coop
204.9.248.115	A	ns2.pctelcom.coop
204.9.248.116	A	ns3.pctelcom.coop
204.9.251.193	PTR	204-9-251-193.pctelcom.coop
204.9.251.200	PTR	204-9-251-200.pctelcom.coop
204.9.251.240	PTR	204-9-251-240.pctelcom.coop
204.9.251.243	PTR	204-9-251-243.pctelcom.coop
204.9.254.10	PTR	204-9-254-10.pctelcom.coop
204.9.254.33	PTR	204-9-254-33.pctelcom.coop
204.9.254.66	PTR	204-9-254-66.pctelcom.coop
204.9.254.106	PTR	204-9-254-106.pctelcom.coop
204.9.254.122	PTR	204-9-254-122.pctelcom.coop
204.9.254.137	PTR	204-9-254-137.pctelcom.coop
204.9.254.168	PTR	204-9-254-168.pctelcom.coop
204.9.254.169	PTR	204-9-254-169.pctelcom.coop
204.9.254.224	PTR	204-9-254-224.pctelcom.coop
204.9.254.251	PTR	204-9-254-251.pctelcom.coop
204.9.255.19	PTR	204-9-255-19.pctelcom.coop
204.9.255.19	A	neboces.com
204.9.255.19	A	mail1.neboces.org
204.9.255.83	A	hea.coop
204.9.255.83	A	www.hea.coop
204.9.255.84	A	mail.hea.coop
204.9.255.121	PTR	204-9-255-121.pctelcom.coop
204.9.255.121	A	phillipscogov.com
204.9.255.238	PTR	204-9-255-238.pctelcom.coop
204.9.255.238	A	smtp.plattevsd.org
204.9.255.238	A	pop.plattevsd.org