Robtex

Up: 8.192.0.0/12
Can't show all results, try to descend to a more specific CIDR
Down left: 8.192.0.0/14
Down right: 8.196.0.0/14

IP	Type	Hostname
8.192.1.9	A	utility.enernoc.com
8.192.1.33	A	login.enernoc.com
8.192.1.48	A	mailgate1.enernoc.com
8.192.1.49	A	mailgate2.enernoc.com
8.192.14.12	PTR	smtp.alger-ny.com
8.192.14.16	PTR	famdb.alger-ny.com
8.192.14.24	PTR	remote.alger-ny.com
8.192.14.25	PTR	famowa.alger-ny.com
8.192.40.2	A+PTR	phl-edge-rtr01.uri.com
8.192.40.4	A+PTR	phl-fw01.uri.com
8.192.40.8	A	mail.irproducts.biz
8.192.40.8	A	mx1.uri.com
8.192.160.38	A	dalutility.enernoc.com
8.192.160.48	A	mailgate3.enernoc.com
8.192.160.49	A	mailgate4.enernoc.com
8.192.160.73	A	spamgated.enernoc.com
8.192.172.1	A	ns1.tenethealth.com
8.192.172.11	A	mail.etenet.com
8.192.172.14	A	vpnweb.tenethealth.com
8.192.172.14	A	vpnweb.gtm.tenethealth.com
8.192.216.2	A	l3ns1.imaginesystems.net
8.192.248.1	A+PTR	bbn-gw1.mbrdna.com
8.192.248.10	A	ns.mbrdna.com
8.192.248.13	PTR	mbguest1.mbrdna.com
8.192.248.14	PTR	mbguest2.mbrdna.com
8.192.248.40	A	cice-ext.mbrdna.com
8.192.248.49	A	cice1.mbrdna.com
8.193.8.162	A	dishdecision.com
8.193.12.2	A+PTR	s2-12-193-8.dvec.az.wi-power.com
8.193.12.3	PTR	s3-12-193-8.dvec.az.wi-power.com
8.193.12.6	A	s6-12-193-8.dvec.az.wi-power.com
8.193.12.8	A	s8-12-193-8.dvec.az.wi-power.com
8.193.16.19	A	citygrouptoto.org
8.194.1.6	A	8.194.196-static.reverse.softlayer.com
8.194.1.9	A	8.194.199-static.reverse.softlayer.com
8.194.74.219	A	proventispartners.net
8.195.1.7	A	8.195.197-static.reverse.softlayer.com
8.195.199.182	A	jookertfretydas.ooo
8.197.193.254	A	1xbet-zerkalo-rabochee.ru
8.198.2.9	A	shitfromyesterday.com
8.198.118.201	A	risiko-des-lebens.de
8.198.130.211	A	123tankstellen.de
8.198.130.211	A	mail.123tankstellen.de
8.198.159.6	A	1xbet-zerkalo-rabochee.ru