Robtex

Up: 8.27.160.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 8.27.160.0/22
Down right: 8.27.164.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
8.27.160.42	A	mail.simsmurray.com
8.27.160.96	PTR	ip-8-27-160-96.tcng.net
8.27.160.100	A	mail.sierrawinds.com
8.27.160.195	A+PTR	tempe.fvtaz.com
8.27.162.56	PTR	ip-8-27-162-56.tcng.net
8.27.162.58	PTR	ip-8-27-162-58.tcng.net
8.27.162.235	PTR	ip-8-27-162-235.tcng.net
8.27.162.235	A	ns1.bardon.net
8.27.162.235	A	bardon.net
8.27.163.33	PTR	ip-8-27-163-33.tcng.net
8.27.163.65	PTR	ip-8-27-163-65.trucom.com
8.27.163.66	A+PTR	gwmx.webworldinc.com
8.27.163.66	A	mail80.rivint.com
8.27.163.66	A	mail8.rivint.com
8.27.163.67	PTR	www.webworldinc.com
8.27.163.74	A+PTR	www.adrenalinebikes.com
8.27.163.75	PTR	ussc.dasconsultants.com
8.27.163.75	A	mysupplycart.com
8.27.163.75	A	jackstireandoil.net
8.27.163.80	A	nearfieldaccesscontrol.com
8.27.163.82	PTR	ip-8-27-163-82.trucom.com
8.27.163.82	A	rkbmg.com
8.27.163.82	A	rkco.com
8.27.163.83	PTR	webmail.webworldinc.com
8.27.163.83	A	ns3.webworldinc.net
8.27.163.93	A	mxmail.webworldinc.com
8.27.164.19	PTR	ip-8-27-164-19.tcng.net
8.27.164.19	A	grco-local.org
8.27.164.140	A	testex.lvmvcc.com
8.27.164.157	A	waverlyplacewand.us
8.27.164.198	A	mail.libruss.com
8.27.164.205	A	ns1.trucom.com
8.27.164.214	A	relay.trucom.com
8.27.164.217	A+PTR	ns2.trucom.com
8.27.164.245	A	mail.gcta.com
8.27.164.246	A	iron01.gcta.com
8.27.165.13	A	mail.bwmail.us
8.27.165.13	A	*.bwmail.us
8.27.165.13	A	bwmail.us
8.27.165.42	PTR	ip-8-27-165-42.tcng.net
8.27.165.51	A	mail.eduprizeschools.com
8.27.165.162	PTR	tpi.cc
8.27.165.250	PTR	ip-8-27-165-250.tcng.net
8.27.165.251	PTR	ip-8-27-165-251.tcng.net
8.27.165.251	A	schusterbros.com
8.27.165.251	A	www.schusterbros.com
8.27.165.253	A	mail.bophades.com
8.27.165.254	A	mail.schusterbros.com
8.27.167.242	A	mail.glencroft.com