Robtex

Up: 204.14.16.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 204.14.20.0/23
Down right: 204.14.22.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
204.14.20.0	A+PTR	204.14.20.0.static.utbb.net
204.14.20.64	A+PTR	204.14.20.64.static.utbb.net
204.14.20.69	PTR	204.14.20.69.static.utbb.net
204.14.20.69	A	lamosquitia.org
204.14.20.69	A	snugabugbaby.com
204.14.20.75	A+PTR	204.14.20.75.static.utbb.net
204.14.20.77	PTR	204.14.20.77.static.utbb.net
204.14.20.77	A	a.ns.164.29.66.in-addr.arpa
204.14.20.77	A	a.ns.186.29.66.in-addr.arpa
204.14.20.78	PTR	204.14.20.78.static.utbb.net
204.14.20.78	A	b.ns.1.191.107.in-addr.arpa
204.14.20.91	PTR	mail.utahbroadband.com
204.14.20.91	A	a.mx.alpinenetworks.net
204.14.20.91	A	a.mx.nelsonkids.com
204.14.20.92	A	mail.ubbmail.com
204.14.20.127	A+PTR	204.14.20.127.static.utbb.net
204.14.22.14	A+PTR	204.14.22.14.static.utbb.net
204.14.22.14	A+PTR	wiki.utbb.net
204.14.22.17	PTR	204.14.22.17.static.utbb.net
204.14.22.17	A	agentkim.com
204.14.22.87	A	204.14.22.87.static.utbb.net
204.14.22.138	A	www.utahbroadband.com
204.14.23.12	A+PTR	204.14.23.12.static.utbb.net
204.14.23.77	A+PTR	204.14.23.77.static.utbb.net
204.14.23.86	A+PTR	204.14.23.86.static.utbb.net
204.14.23.103	A+PTR	204.14.23.103.static.utbb.net
204.14.23.133	A+PTR	204.14.23.133.static.utbb.net
204.14.23.143	A+PTR	204.14.23.143.static.utbb.net
204.14.23.165	A+PTR	204.14.23.165.static.utbb.net
204.14.23.202	A+PTR	204.14.23.202.static.utbb.net
204.14.23.218	A+PTR	204.14.23.218.static.utbb.net
204.14.23.220	A+PTR	204.14.23.220.static.utbb.net
204.14.23.226	A+PTR	204.14.23.226.static.utbb.net
204.14.23.252	A+PTR	204.14.23.252.static.utbb.net
204.14.23.255	A+PTR	204.14.23.255.static.utbb.net