Robtex

Up: 216.247.32.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 216.247.36.0/23
Down right: 216.247.38.0/23

IP	Type	Hostname
216.247.36.9	A	webringit.net
216.247.36.12	PTR	biodp.com
216.247.36.25	A	gifcart.com
216.247.36.30	PTR	azmusic.info
216.247.36.34	PTR	vechai.net
216.247.36.35	PTR	energymx.com
216.247.36.38	A	fprhcc.com
216.247.36.45	PTR	imi2000.com
216.247.36.55	PTR	iotc.org
216.247.36.56	PTR	lcdscreen.com
216.247.36.121	PTR	wolffurniture.com
216.247.36.131	PTR	dockwave.com
216.247.36.153	PTR	portero.com
216.247.36.186	PTR	spiritvn.com
216.247.36.201	A	readyview.net
216.247.36.201	A	sourcerad.net
216.247.36.236	A	luxirie.eu
216.247.36.237	A	l-r-g.eu
216.247.36.237	A	liftedresearchgroup.eu
216.247.36.247	A	kheller.com
216.247.36.247	A	ftp.kheller.com
216.247.37.7	A+PTR	inbound-mx37.atl.registeredsite.com
216.247.37.11	A	current.registeredsite.com
216.247.37.15	PTR	scompdb.registeredsite.com
216.247.37.21	A	mail26.atl.registeredsite.com
216.247.37.22	A	mail27.atl.registeredsite.com
216.247.37.33	PTR	mail16.atl.registeredsite.com
216.247.37.35	PTR	cygnus.cc
216.247.37.35	PTR	ftp.hkentreview.com
216.247.37.35	PTR	www.hkentreview.com
216.247.37.39	A+PTR	mailhub2.registeredsite.com
216.247.37.41	A	mail21.atl.registeredsite.com
216.247.37.44	A	mail24.atl.registeredsite.com
216.247.37.46	A+PTR	inbound-mx19.atl.registeredsite.com
216.247.37.47	A	inbound-mx20.atl.registeredsite.com
216.247.37.48	A	inbound-mx35.atl.registeredsite.com
216.247.37.50	A	inbound-mx26.atl.registeredsite.com
216.247.37.55	A	inbound-mx31.atl.registeredsite.com
216.247.37.57	A	inbound-mx33.atl.registeredsite.com
216.247.37.62	PTR	rbl.registeredsite.com
216.247.37.64	PTR	inbound-mx39.atl.registeredsite.com
216.247.37.69	A	inbound-mx44.atl.registeredsite.com
216.247.37.75	PTR	inbound-mx50.atl.registeredsite.com
216.247.37.128	PTR	dixonodomuniversity.com
216.247.37.128	PTR	mail.dixonodomuniversity.com
216.247.37.144	PTR	pornhos.com
216.247.37.144	PTR	iscripta.com.pornhos.com
216.247.37.176	PTR	sexyteenmovies.com
216.247.38.14	PTR	mail.csst.com
216.247.38.93	PTR	mail.westmedinc.com
216.247.38.121	PTR	mail.capics.com
216.247.38.251	PTR	mail.greenerpasture.com
216.247.39.131	PTR	mail.taschek.com
216.247.39.139	A	mail.johnbachelor.com
216.247.39.193	PTR	mail.bexel.com
216.247.39.234	PTR	mail.camdolls.com