Robtex

Up: 66.100.170.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 66.100.171.0/25
Down right: 66.100.171.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
66.100.171.2	PTR	vhost104.sprocketnetworks.com
66.100.171.2	A	vhost104.sprocketdata.com
66.100.171.2	A	mail.sprocketdata.com
66.100.171.18	A	mars.brookview.net
66.100.171.18	A	brookview.net
66.100.171.18	A	kd5qlm.com
66.100.171.34	PTR	mydistrict.net
66.100.171.36	PTR	mail.netroom.com
66.100.171.45	PTR	so2t.com
66.100.171.50	A	conservativegigabyte.com
66.100.171.50	A	mail.conservativegigabyte.com
66.100.171.50	A	rseureka.com
66.100.171.53	PTR	reverse-66-100-171-53.sprocketdata.com
66.100.171.53	A	likegegg.net
66.100.171.59	A	mail.honeydalepark.com
66.100.171.69	PTR	reverse-66-100-171-69.sprocketdata.com
66.100.171.75	A	interwovenweb.com
66.100.171.76	PTR	archieblock.com
66.100.171.77	PTR	radiomaxfm.com
66.100.171.78	A	rockyeureka.info
66.100.171.98	PTR	reverse-66-100-171-98.sprocketdata.com
66.100.171.98	A	2myhr.com
66.100.171.106	A	my-bellas.com
66.100.171.108	A+PTR	email.digitalsyphon.com
66.100.171.108	A	email.dsicorp.us
66.100.171.108	A	email.recordmytv.net
66.100.171.109	PTR	reverse-66-100-171-109.sprocketdata.com
66.100.171.109	A	digitalsyphon.com
66.100.171.122	PTR	mail1.jlvtechnology.com
66.100.171.122	A	mail.overheaddoorns.ca
66.100.171.122	A	runrfp.mobi
66.100.171.138	PTR	reverse-66-100-171-137.sprocketdata.com
66.100.171.138	A	mx.hillcrestfoods.com
66.100.171.138	A	mail.demmingfinancial.com
66.100.171.154	PTR	reverse-66-100-171-154.sprocketdata.com
66.100.171.154	A	mail.dancebizusa.com
66.100.171.154	A	ss64.mailtomars.com
66.100.171.163	A+PTR	eb08.ebhost9.com
66.100.171.163	A	www.ebhost9.com
66.100.171.164	PTR	reverse-66-100-171-164.sprocketdata.com
66.100.171.174	PTR	d.eb10.ebhost9.com
66.100.171.203	PTR	reverse-66-100-171-203.sprocketdata.com
66.100.171.210	PTR	zarn.developingehost.com