Robtex

Up: 192.52.184.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 192.52.188.0/23
Down right: 192.52.190.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
192.52.188.162	PTR	h162.188.52.192.adstx.net
192.52.188.220	A	mail.devicelogix.com
192.52.188.235	PTR	h235.188.52.192.adstx.net
192.52.188.235	A	a-360suite.com
192.52.188.243	A	ipmelections.com
192.52.189.35	A	argo.stanthonyshouston.org
192.52.189.68	A	mailgw.altairstrickland.com
192.52.189.82	PTR	es2.en-fabinc.us.com
192.52.189.82	A	es1.en-fabinc.us.com
192.52.189.130	A	txiom.com
192.52.189.130	A	texascompounding.com
192.52.189.134	PTR	antispam.safetysend.com
192.52.189.134	A	pacq.org
192.52.189.135	PTR	mail.safetysend.com
192.52.189.189	A	get-support.net
192.52.189.219	PTR	h219.189.52.192.adstx.net
192.52.189.219	A	*.labwire.com
192.52.189.219	A	mail.labwire.com
192.52.189.220	A	ftp.labwire.com
192.52.189.234	A	triplewranch.org
192.52.189.235	A	mayone.com
192.52.189.235	A	www.mayone.com
192.52.189.246	PTR	h246.189.52.192.adstx.net
192.52.189.253	PTR	h253.189.52.192.adstx.net
192.52.190.130	A	owa.quailvalleyud.org
192.52.190.130	A	owa.gravespas.com
192.52.190.130	A	owa.sanrosres.com
192.52.190.131	PTR	h131.190.52.192.adstx.net
192.52.190.149	PTR	h149.190.52.192.adstx.net
192.52.190.149	A	www.ahausa.net
192.52.190.149	A	www.aha-ppo.com
192.52.190.163	PTR	h163.190.52.192.adstx.net
192.52.190.163	A	mail.joycescott.com
192.52.190.163	A	ns2.aptia.org
192.52.190.165	PTR	h165.190.52.192.adstx.net
192.52.190.165	A	dcsvisacontrol.com
192.52.190.165	A	imqis.com
192.52.190.166	PTR	h166.190.52.192.adstx.net
192.52.191.57	A	ns1.emonarchonline.net