Robtex

Up: 63.79.12.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 63.79.12.0/25
Down right: 63.79.12.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
63.79.12.11	PTR	time.nnu.com
63.79.12.102	A	wifireporting.com
63.79.12.107	A	xfinity.nnu.com
63.79.12.126	A	optimumwifi2.optimum.net
63.79.12.130	A	wifi.sprintpcs.com
63.79.12.131	A	service.nnu.com
63.79.12.133	A+PTR	gift.gowifi.com
63.79.12.140	A+PTR	catbeta.nnu.com
63.79.12.144	A	featherwifi.com
63.79.12.144	A	featherwifi.net
63.79.12.144	A	feather.net
63.79.12.149	A+PTR	cat1.nnu.com
63.79.12.150	A+PTR	cat2.nnu.com
63.79.12.153	A	www.twcwifi.com
63.79.12.157	A	accesspass.wifi.xfinity.com
63.79.12.161	A+PTR	ns.nnu.com
63.79.12.161	A	time.nnu.com
63.79.12.161	A	ns.paynet.net
63.79.12.162	A+PTR	ns2.nnu.com
63.79.12.162	A	time.nnu.com
63.79.12.162	A	ns2.paynet.net
63.79.12.163	PTR	web.nnu.com
63.79.12.163	A	www.trackos.net
63.79.12.163	A	trackos.org
63.79.12.164	A	command2.nnu.com
63.79.12.165	A	command.nnu.com
63.79.12.166	A+PTR	ftp.nnu.com
63.79.12.167	A+PTR	kmail.nnu.com
63.79.12.167	A	pubmail2.nnu.com
63.79.12.168	A	gimmie.nnu.com
63.79.12.171	A+PTR	track.nnu.com
63.79.12.171	A	wifinetworkmanagement.com
63.79.12.172	A+PTR	commandbeta.nnu.com
63.79.12.173	A	trackbeta.nnu.com
63.79.12.174	A	wirelessbeta.nnu.com
63.79.12.175	A	wireless.nnu.com
63.79.12.176	A+PTR	adtrackos.nnu.com
63.79.12.177	A+PTR	solo2.nnu.com
63.79.12.178	A	mirror.nnu.com
63.79.12.179	A	wififorsf.net
63.79.12.179	A	wififorsf.com
63.79.12.179	A	home.featherwifi.net
63.79.12.180	A	free.featherwifi.net
63.79.12.183	A	hermes.nnu.com
63.79.12.185	A	portal.nnu.com
63.79.12.186	A	portal.optimumonlinewifi.com
63.79.12.187	A+PTR	redir.nnu.com
63.79.12.187	A	admin.hotspot.boingo.com
63.79.12.187	A	redir.twcwifi.com
63.79.12.188	A+PTR	redir.beta.nnu.com
63.79.12.188	A	i1.orgimg.com
63.79.12.193	A+PTR	radius.nnu.com
63.79.12.195	PTR	tftp.nnu.com.12.79.63.in-addr.arpa