Robtex

Up: 68.168.16.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 68.168.20.0/23
Down right: 68.168.22.0/23

IP	Type	Hostname
68.168.20.0	PTR	0-20-168-68.static.lafiber.net
68.168.20.0	A	0.20.168.68.static.lafiber.net
68.168.20.1	PTR	s1-20.static.awknet.ca
68.168.20.70	A+PTR	70.20.168.68.static.awknet.ca
68.168.20.70	A	70.20.168.68.static.lafiber.net
68.168.20.131	A	83msc.net
68.168.20.132	A	18suncity.com
68.168.20.134	A+PTR	134.20.168.68.static.awknet.ca
68.168.20.134	A	xtdad.cn
68.168.20.136	A	aa955.net
68.168.20.136	A	66mcs.com
68.168.20.145	A	aa566.com
68.168.20.151	A	www.598qd.cn
68.168.20.151	A	xczzx.com
68.168.21.0	A	0.21.168.68.static.lafiber.net
68.168.21.2	PTR	2-21-168-68.static.lafiber.net
68.168.21.16	A+PTR	16.21.168.68.static.awknet.ca
68.168.21.28	A	houzi.meyu.net
68.168.21.226	A	ethan-01.gaidot.net
68.168.21.226	A	1699game.com
68.168.21.226	A	ns1.greenseedgroup.es
68.168.21.231	A+PTR	231.21.168.68.static.awknet.ca
68.168.21.231	A	877sunbet.com
68.168.21.235	A	9810.com
68.168.21.238	A	67ec.com
68.168.21.254	A+PTR	254.21.168.68.static.awknet.ca
68.168.22.98	A	intensaclick.com
68.168.22.98	A	cypher.punk.net
68.168.22.99	A+PTR	s99-22.static.awknet.ca
68.168.22.99	A	tacticalpets.com
68.168.22.158	A+PTR	158.22.168.68.static.awknet.ca
68.168.22.166	A+PTR	166.22.168.68.static.awknet.ca
68.168.23.0	PTR	s0-23.static.awknet.us
68.168.23.0	A	0.23.168.68.static.lafiber.net
68.168.23.10	A+PTR	10.23.168.68.static.awknet.ca
68.168.23.44	A+PTR	44.23.168.68.static.awknet.ca