Robtex

Up: 66.211.128.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 66.211.144.0/21
Down right: 66.211.152.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
66.211.144.98	A+PTR	mail.aegiscontainer.com
66.211.145.240	PTR	240.145.211.66.inaddr.fibercast.net
66.211.146.0	A+PTR	0.146.211.66.inaddr.g4.net
66.211.146.228	A	www.townsquare-reservations.com
66.211.146.228	A	townsquare-reservations.com
66.211.146.230	A	smtpmcf.waterville.com
66.211.147.163	PTR	163.147.211.66.inaddr.g4.net
66.211.147.163	A	nameserver.sau60.org
66.211.148.2	PTR	2.148.211.66.inaddr.g4.net
66.211.148.66	A	66.148.211.66.inaddr.g4.net
66.211.149.88	A	hitherandyon.org
66.211.149.88	A	88.149.211.66.inaddr.g4.net
66.211.149.130	PTR	130.149.211.66.inaddr.g4.net
66.211.149.130	A	mail.lawlogistics.com
66.211.150.0	A+PTR	0.150.211.66.inaddr.g4.net
66.211.150.66	PTR	66.150.211.66.inaddr.g4.net
66.211.150.66	A	www.gencourt.state.nh.us
66.211.150.67	A+PTR	leg.state.nh.us
66.211.150.68	A	gencourt1.gencourt.state.nh.us
66.211.150.70	A	pop3.leg.state.nh.us
66.211.150.99	PTR	66-211-150-99.static.firstlight.net
66.211.150.99	A	autoservnh.com
66.211.150.99	A	mybam.com
66.211.150.169	A	66-211-150-169.static.firstlight.net
66.211.150.187	A	mail.thegamingspot.com
66.211.150.187	A	mail.nhlotteryreplay.com
66.211.150.187	A	ns.thegamingspot.com
66.211.150.198	A	198.150.211.66.inaddr.g4.net
66.211.151.0	A+PTR	0.151.211.66.inaddr.g4.net
66.211.151.122	A	122.151.211.66.inaddr.g4.net
66.211.152.5	A	georgiachapter11.com
66.211.152.5	A	d15652.u26.ciarasolutions.net
66.211.152.5	A	handnhandtherapy.com
66.211.152.24	A	getinterviews-nl.com
66.211.152.24	A	mail1.getinterviews-nl.com
66.211.152.54	A	texastollhouse.com
66.211.152.64	A	64.152.211.66.inaddr.g4.net
66.211.152.86	A	86.152.211.66.inaddr.g4.net
66.211.152.90	A	90.152.211.66.inaddr.g4.net
66.211.152.100	A	telescopetime.com
66.211.152.122	A	asterisk2.g4.net
66.211.152.123	A	asterisk3.g4.net
66.211.152.129	A	srvr-gw-129.g4.net
66.211.152.131	PTR	131.152.211.66.inaddr.g4.net
66.211.152.139	A	139.152.211.66.inaddr.g4.net
66.211.152.161	A	161.152.211.66.inaddr.g4.net
66.211.152.166	A	mail.inceptiontech.com
66.211.152.180	A	180.152.211.66.inaddr.g4.net
66.211.153.23	A	webmail.snhhs.org
66.211.153.41	A	smtp.snhhs.org
66.211.153.42	A	smtp.snhhs.org
66.211.154.1	A	srvr-gw.g4.net
66.211.154.2	PTR	ns3.g4.net
66.211.154.2	A	ns3.cav.net
66.211.154.15	A	15.154.211.66.inaddr.g4.net
66.211.154.83	A	83.154.211.66.inaddr.g4.net
66.211.154.148	A	148.154.211.66.inaddr.g4.net
66.211.154.190	A	mail.n1kio.org
66.211.154.190	A	190.154.211.66.inaddr.g4.net
66.211.154.195	A	195.154.211.66.inaddr.g4.net
66.211.154.213	A	213.154.211.66.inaddr.g4.net
66.211.155.195	A	195.155-211-66.nh.dialup.freedialup.org
66.211.157.2	A	2.157.211.66.inaddr.g4.net
66.211.159.2	PTR	2.159.211.66.inaddr.sttic.g4.net
66.211.159.2	A	coin-pool.com
66.211.159.2	A	prox2.coin-pool.com