Robtex

Up: 68.71.128.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 68.71.160.0/20
Down right: 68.71.176.0/20
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
68.71.161.2	PTR	sub-68-71-161-2.mi-connection.com
68.71.161.15	A	midtcmail.com
68.71.161.21	A	site1.midtcweb.com
68.71.161.31	A	betheloffice.com
68.71.161.32	PTR	sub-68-71-161-32.mi-connection.com
68.71.161.98	PTR	sub-68-71-161-98.mi-connection.com
68.71.161.99	PTR	sub-68-71-161-99.mi-connection.com
68.71.161.128	PTR	sub-68-71-161-128.mi-connection.com
68.71.161.131	PTR	sub-68-71-161-131.mi-connection.com
68.71.161.192	PTR	sub-68-71-161-192.mi-connection.com
68.71.161.194	PTR	sub-68-71-161-194.mi-connection.com
68.71.161.227	PTR	sub-68-71-161-227.mi-connection.com
68.71.162.29	A	remote.indmotion.com
68.71.162.34	A+PTR	barracuda.cornelius.org
68.71.162.34	PTR	mail.cornelius.org
68.71.162.34	PTR	mail.corneliusfd.org
68.71.162.115	A	mailserver1.adajenkins.org
68.71.162.141	A	mail.serviceplumbing.net
68.71.162.244	A	mail.pepfilters.com
68.71.163.2	PTR	mail.ci.mooresville.nc.us
68.71.163.3	PTR	mail.ci.mooresville.nc.us
68.71.163.4	PTR	mail.ci.mooresville.nc.us
68.71.164.1	PTR	sub-68-71-164-1.mi-connection.com
68.71.164.11	A	mail.ci.davidson.nc.us
68.71.164.81	A	mail.aerodyntech.com
68.71.164.81	A	mail.aerodynwindtunnel.com
68.71.164.99	A+PTR	remote.sightspan.com
68.71.164.132	A	mail.wehandletech.com
68.71.164.168	A	chsmtp1.ahtonline.net
68.71.164.241	A	owa.msidefense.com
68.71.164.241	A	owa.jrishocks.com
68.71.165.4	PTR	sub-68-71-165-4.mi-connection.com
68.71.165.4	A	mail7.grenga.com
68.71.165.4	A	mail7.closedhost.com
68.71.165.5	A	mail.siwpromotions.com
68.71.165.5	A	mx.manesscpa.com
68.71.165.62	A	thenormangroup.com
68.71.165.62	A	*.normantech.com
68.71.165.78	A	mail.ccrlaw.com
68.71.165.79	A	mail.synergyoneinc.com
68.71.165.94	A	mail.wheelercocpa.com
68.71.165.114	A	mail.namta.org
68.71.165.131	A	mail.lakenormanlaw.com
68.71.165.138	A	i360cloud.com
68.71.165.138	A	zix01.encryptitall.com
68.71.166.97	PTR	sub-68-71-166-97.mi-connection.com
68.71.167.2	PTR	sub-68-71-167-2.mi-connection.com
68.71.167.3	PTR	sub-68-71-167-3.mi-connection.com
68.71.167.65	PTR	sub-68-71-167-65.mi-connection.com
68.71.167.74	A	jeffrolc.com
68.71.167.129	PTR	sub-68-71-167-129.mi-connection.com
68.71.167.193	PTR	sub-68-71-167-193.mi-connection.com
68.71.167.194	PTR	sub-68-71-167-194.mi-connection.com
68.71.168.8	A	shakinit4fun.com
68.71.168.155	A	cipher0x.com
68.71.168.185	A	gimmergimmer.com
68.71.171.162	A	casualsuperman.com
68.71.172.194	A	*.themccrearys.com
68.71.173.51	A	rfubfnqukgky.com
68.71.177.67	PTR	sub-68-71-177-67.mi-connection.com
68.71.178.1	PTR	sub-68-71-178-1.mi-connection.com
68.71.179.11	A	mail.bestco.com
68.71.179.12	A	mail.bestsweet.com
68.71.179.13	A	bestcocustomerportal.com
68.71.180.169	A	craftbybier.com
68.71.180.238	A	impact360cloud.com
68.71.181.223	A	bierundwagner.com
68.71.189.182	A	fortinetdemos.com
68.71.190.2	PTR	sub-68-71-190-2.mi-connection.com
68.71.190.3	PTR	sub-68-71-190-3.mi-connection.com
68.71.190.65	PTR	sub-68-71-190-65.mi-connection.com
68.71.190.162	PTR	sub-68-71-190-162.mi-connection.com
68.71.190.193	PTR	sub-68-71-190-193.mi-connection.com