Robtex

Up: 173.197.208.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 173.197.216.0/22
Down right: 173.197.220.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
173.197.216.27	A+PTR	rrcs-173-197-216-27.west.biz.rr.com
173.197.216.58	A	waterstudio.net
173.197.216.178	A+PTR	eml.kjlawyers.com
173.197.216.180	A+PTR	e.kjlawyers.com
173.197.216.181	A+PTR	email.kjlawyers.com
173.197.217.162	PTR	rrcs-173-197-217-162.west.biz.rr.com
173.197.217.162	A	www.apatow.com
173.197.217.162	A	apatow.com
173.197.217.227	A	mail.skylaw.net
173.197.218.30	A	cpg.cpg-design.com
173.197.218.30	A	mail.cpg-design.com
173.197.218.51	PTR	rrcs-173-197-218-51.west.biz.rr.com
173.197.218.66	PTR	rrcs-173-197-218-66.west.biz.rr.com
173.197.218.112	PTR	rrcs-173-197-218-112.west.biz.rr.com
173.197.218.130	A	mail.zcla.org
173.197.218.170	PTR	rrcs-173-197-218-170.west.biz.rr.com
173.197.218.171	PTR	rrcs-173-197-218-171.west.biz.rr.com
173.197.219.226	A+PTR	rrcs-173-197-219-226.west.biz.rr.com
173.197.220.29	A	rrcs-173-197-220-29.west.biz.rr.com
173.197.220.58	A	rrcs-173-197-220-58.west.biz.rr.com
173.197.220.130	PTR	rrcs-173-197-220-130.west.biz.rr.com
173.197.220.137	PTR	rrcs-173-197-220-137.west.biz.rr.com
173.197.220.154	PTR	rrcs-173-197-220-154.west.biz.rr.com
173.197.220.160	PTR	rrcs-173-197-220-160.west.biz.rr.com
173.197.220.171	A	rrcs-173-197-220-171.west.biz.rr.com
173.197.220.174	A	rrcs-173-197-220-174.west.biz.rr.com
173.197.220.222	A	rrcs-173-197-220-222.west.biz.rr.com
173.197.220.240	A+PTR	rrcs-173-197-220-240.west.biz.rr.com
173.197.221.3	PTR	mail.allaccesstickets.com
173.197.221.27	PTR	rrcs-173-197-221-27.west.biz.rr.com
173.197.221.83	PTR	rrcs-173-197-221-83.west.biz.rr.com
173.197.221.98	PTR	rrcs-173-197-221-98.west.biz.rr.com
173.197.221.98	A	mail.fayuma.com
173.197.221.100	A	rrcs-173-197-221-100.west.biz.rr.com
173.197.221.105	A+PTR	rrcs-173-197-221-105.west.biz.rr.com
173.197.221.170	PTR	rrcs-173-197-221-170.west.biz.rr.com
173.197.221.244	A	smtp2.wnitech.com
173.197.221.244	A	wnitech.com
173.197.221.244	A	pop.wnitech.com
173.197.222.222	A+PTR	rrcs-173-197-222-222.west.biz.rr.com
173.197.222.222	A	remote.quimbayotax.com
173.197.222.222	A	mail.quimbayotax.com