Robtex

Up: 162.252.16.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 162.252.20.0/23
Down right: 162.252.22.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
162.252.21.4	PTR	162.252.21.4.serverel.net
162.252.21.4	A	www.tqblog.net
162.252.21.4	A	tqblog.net
162.252.21.20	A	pttsite.com
162.252.21.20	A	4hfchest5kdnfnut.com
162.252.21.20	A	dlsear.com
162.252.21.21	A	trtjigpsscmv9epe10.com
162.252.21.62	PTR	162.252.21.62.serverel.net
162.252.21.62	A	18048.feed.adsmix.com
162.252.21.62	A	12036.feed.fiveppc.com
162.252.21.63	PTR	162.252.21.63.serverel.net
162.252.21.63	A	18048.feed.adsmix.com
162.252.21.63	A	12036.feed.fiveppc.com
162.252.21.64	PTR	162.252.21.64.serverel.net
162.252.21.64	A	click.adsmix.com
162.252.21.64	A	click.ronsearch.com
162.252.21.65	PTR	162.252.21.65.serverel.net
162.252.21.65	A	click.adsmix.com
162.252.21.65	A	click.ronsearch.com
162.252.21.102	PTR	162.252.21.102.serverel.net
162.252.21.102	A	bid2.rxrtb.bid
162.252.21.132	PTR	162.252.21.132.serverel.net
162.252.21.135	A	mail.kojogames.com
162.252.21.135	A	kojogames.com
162.252.21.153	PTR	162.252.21.153.serverel.net
162.252.21.153	A	businessseeking.com
162.252.21.153	A	premiersearcher.com
162.252.21.164	PTR	mail.kojogames.org
162.252.21.164	A	vestasoft.org
162.252.21.164	A	deox.com
162.252.21.181	A	admin.bizzclick.com
162.252.21.181	A	feed.bizzclick.com
162.252.21.205	PTR	162.252.21.205.serverel.net