Robtex

Up: 216.238.160.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 216.238.160.0/21
Down right: 216.238.168.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
216.238.160.1	PTR	smtp.cabotcheese.com
216.238.160.2	PTR	smtp.cabotcheese.com
216.238.160.3	PTR	smtp.cabotcheese.com
216.238.160.16	PTR	smtp.cabotcheese.com
216.238.160.17	PTR	smtp.cabotcheese.com
216.238.160.18	PTR	smtp.cabotcheese.com
216.238.160.19	PTR	smtp.cabotcheese.com
216.238.160.32	PTR	smtp.cabotcheese.com
216.238.160.33	PTR	smtp.cabotcheese.com
216.238.160.34	PTR	smtp.cabotcheese.com
216.238.160.35	PTR	smtp.cabotcheese.com
216.238.160.48	PTR	smtp.cabotcheese.com
216.238.160.49	PTR	smtp.cabotcheese.com
216.238.160.50	PTR	smtp.cabotcheese.com
216.238.160.51	PTR	smtp.cabotcheese.com
216.238.160.64	PTR	smtp.cabotcheese.com
216.238.160.69	A	evoprosolutions.com
216.238.160.69	A	evoh2r.com
216.238.160.69	A	evolutionh2r.com
216.238.160.86	A	demoevolutionportal.com
216.238.160.92	A	qaevolutionportal.com
216.238.160.102	A	devevolutionportal.com
216.238.160.131	PTR	rr-216-238-160-131.teljet.com
216.238.160.131	A	rtedi.pcc.com
216.238.160.131	A	edi1.pcc.com
216.238.160.138	A	ns4.pcc.com
216.238.160.138	A	www2.pcc.com
216.238.160.193	PTR	rr-216-238-160-193.teljet.com
216.238.161.21	A	sb.lanepress.com
216.238.161.49	A+PTR	ftp.lanepress.com
216.238.161.131	A+PTR	ns3.lanepress.com
216.238.161.132	A	ns4.lanepress.com
216.238.161.249	A+PTR	externalnet-gw.sb.lanepress.com
216.238.161.254	A	lp-openair.sb.lanepress.com
216.238.163.22	A	mail.stevenswilcox.com
216.238.163.23	A	mail.peetlaw.com
216.238.163.30	A	exchange.gfplp.com
216.238.163.32	A	mail.vergennes.org
216.238.163.33	A	mail.rhinofoods.com
216.238.163.35	A	mail.sdireland.com
216.238.163.37	A	mail.cheshireoil.com
216.238.163.49	A	mail.tascosecurity.com
216.238.163.57	A	clover.sover.net.aris-solutions.org
216.238.163.57	A	mail.aris-solutions.org
216.238.163.57	A	aris-solutions.org
216.238.173.2	A+PTR	216-238-173-2.static.firstlight.net
216.238.173.37	A	mail.vermontcf.org
216.238.173.90	PTR	216-238-173-90.static.firstlight.net
216.238.175.23	A	mail.macmillin.com
216.238.175.23	A	mail.dewcorp.com
216.238.175.33	PTR	rr-216-238-175-33.teljet.com