Robtex

Up: 168.158.192.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 168.158.192.0/20
Down right: 168.158.208.0/20
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
168.158.192.18	A	test-adv-18-192-158.interwrx.com
168.158.192.35	PTR	mail.chaparralsuites.com
168.158.192.66	PTR	xnova-192-66.interwrx.com
168.158.192.67	PTR	mail.amerifirstloan.com
168.158.192.97	PTR	xnova-192-97.interwrx.com
168.158.192.197	A	bellrock-192-197.interwrx.com
168.158.192.202	A	bellrock-192-202.interwrx.com
168.158.192.208	A	bellrock-192-208.interwrx.com
168.158.192.218	A	bellrock-192-218.interwrx.com
168.158.192.225	A+PTR	csa-graphics-158-192-225.interwrx.com
168.158.192.228	A	csa-graphics-158-192-228.interwrx.com
168.158.192.248	A	orange-sol-192-248.interwrx.com
168.158.192.250	A	orange-sol-192-250.interwrx.com
168.158.193.2	A+PTR	nserver1.macmediainc.com
168.158.193.3	A+PTR	nserver2.macmediainc.com
168.158.196.135	A	mail.mutatenow.com
168.158.197.6	PTR	www.indatacorp.com
168.158.197.57	A	mail.skidmorefamily.org
168.158.197.71	PTR	gil-server2.bensonsys.com
168.158.197.226	PTR	newmail.lgedesignbuild.com
168.158.198.35	PTR	mrquotes.com
168.158.198.130	PTR	mail.raap.biz
168.158.198.137	PTR	netpnt.com
168.158.198.137	PTR	mail.k-video.com
168.158.198.137	PTR	mail.revlaurie.com
168.158.198.140	PTR	mail.camlite.com
168.158.201.83	PTR	mail1.dibblecorp.com
168.158.215.70	A	215-70leaplab.interwrx.com
168.158.215.72	A	215-72leaplab.interwrx.com
168.158.215.74	A	215-74leaplab.interwrx.com
168.158.215.80	A	215-80leaplab.interwrx.com
168.158.215.154	A	doubletree-215-154.interwrx.com
168.158.216.6	PTR	ns2.evergreen.com
168.158.217.86	A	mail.ellsworthfamilylaw.com
168.158.217.98	PTR	mail.digiteksolutions.com
168.158.220.3	A+PTR	nowhere.uat.edu
168.158.222.13	A	artificiallifedegree.com
168.158.222.19	A	www.uatgaming.com
168.158.222.19	A	uatgaming.com
168.158.222.24	A	uatliteracyproject.com
168.158.223.80	PTR	mail.uat.edu
168.158.223.81	PTR	mail.uat.edu
168.158.223.221	PTR	listserv.uat.edu