Robtex

Up: 66.240.136.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 66.240.138.0/24
Down right: 66.240.139.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
66.240.138.9	PTR	66-240-138-9.momentum.com
66.240.138.30	PTR	66-240-138-30.momentum.com
66.240.138.30	A	garyweihs.com
66.240.138.30	A	www.barcodeart.com
66.240.138.40	PTR	66-240-138-40.momentum.com
66.240.138.47	PTR	66-240-138-47.momentum.com
66.240.138.165	A+PTR	webgate0.dadhsoft.com
66.240.138.211	PTR	subnetworld.com
66.240.138.211	A	fipsi.org
66.240.138.211	A	imedis.org
66.240.138.214	PTR	subnetworld.com
66.240.138.214	A	no-touchy.com
66.240.138.214	A	mail.no-touchy.com
66.240.138.215	PTR	66-240-138-215.momentum.com
66.240.138.215	A	sonovasc.com
66.240.138.216	PTR	subnetworld.com
66.240.138.216	A	webmail.whyfame.com
66.240.138.217	PTR	66-240-138-217.momentum.com
66.240.138.217	A	mail.subnetworld.com
66.240.138.217	A	mail.sonovasc.com
66.240.138.218	A	mx11.subnetworld.com
66.240.138.219	PTR	66-240-138-219.momentum.com
66.240.138.219	A	mail.subnetworld.com
66.240.138.219	A	mail.sonovasc.com
66.240.138.221	PTR	66-240-138-221.momentum.com
66.240.138.221	A	mail.imedis.ca
66.240.138.222	A	no4touchy.com
66.240.138.233	PTR	66-240-138-233.momentum.com
66.240.138.233	A	tprimelogistics.com
66.240.138.233	A	goodbyecaptcha.com
66.240.138.235	A+PTR	whyfame.com
66.240.138.235	A	ultracommunity.com
66.240.138.235	A	wpbruiser.com
66.240.138.248	PTR	web01.dailymobile.net
66.240.138.248	A	mail.dailymobile.net
66.240.138.248	A	dailymobile.se
66.240.139.113	A	limenergy.com
66.240.139.113	A	mail.limenergy.ca
66.240.139.113	A	mail.limenergy.com
66.240.139.175	PTR	66-240-139-175.momentum.com
66.240.139.175	A	mx.theabyss.com
66.240.139.213	PTR	66-240-139-213.momentum.com