Robtex

Up: 217.9.224.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 217.9.232.0/22
Down right: 217.9.236.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
217.9.232.129	PTR	cache-gw.google.com
217.9.232.130	PTR	cache1.google.com
217.9.232.140	A	r1---sn-cap1vv-nv4e.c.youtube.com
217.9.232.152	PTR	cache23.google.com
217.9.232.195	A	ts.beretaguns.com
217.9.232.195	A	ras.beretaguns.com
217.9.232.196	A	mail.beretaguns.com
217.9.232.198	A	guns.bg
217.9.232.219	A+PTR	mail.skrivanek-bg.net
217.9.232.219	A	mail.skrivanek-bg.com
217.9.232.219	A	pld.skrivanek-bg.net
217.9.232.246	A	smtp.syscoset.com
217.9.233.1	PTR	pleven-dhcp.interbgc.com
217.9.233.1	A	tarnovo.cablebg.net
217.9.233.11	A	intercom.interbgc.com
217.9.234.170	PTR	unknown.interbgc.com
217.9.234.178	PTR	mail.global.bg
217.9.234.195	PTR	unknown.interbgc.com
217.9.234.209	PTR	mail.diema.bg
217.9.234.209	A	mail.premiership.bg
217.9.234.210	PTR	ftp.diema.bg
217.9.234.243	PTR	rctserver1.rct.bg
217.9.235.1	A+PTR	mail.izotbg.net
217.9.235.1	A	mail.comsysbg.com
217.9.235.1	A	mail.bgon.net
217.9.235.104	PTR	dove.dtk-electronics.com
217.9.235.121	PTR	mail.proel-bg.com
217.9.235.121	A	ns1.bgon.net
217.9.235.121	A	ns.bic-izot.com
217.9.235.138	PTR	unknown.interbgc.com
217.9.235.139	PTR	unknown.interbgc.com
217.9.235.140	A	worldshiftgame.com
217.9.237.1	PTR	unknown.interbgc.com
217.9.237.26	PTR	unknown.interbgc.com
217.9.237.33	PTR	blok-54.interbgc.com
217.9.237.33	A	alliance-bg.org
217.9.237.33	A	www.newage-bg.com
217.9.237.35	PTR	blok-54.interbgc.com
217.9.237.51	PTR	mail.bgon.net
217.9.237.51	A	itinn.com
217.9.237.59	PTR	mail.itinn.com
217.9.237.97	PTR	bistrica.interbgc.com
217.9.237.98	PTR	bistrica.interbgc.com
217.9.237.99	PTR	bistrica.interbgc.com
217.9.237.104	PTR	bistrica.interbgc.com
217.9.237.105	PTR	bistrica.interbgc.com
217.9.237.106	PTR	bistrica.interbgc.com
217.9.237.107	PTR	bistrica.interbgc.com
217.9.237.114	PTR	cableregistrar.cablebulgaria.bg
217.9.237.115	A+PTR	mail1.jcdecaux.bg
217.9.237.194	A	www.sofspravka.com
217.9.237.194	A	*.sofspravka.com
217.9.237.194	A	sofspravka.com
217.9.237.195	PTR	unknown.spvision.net
217.9.237.201	A+PTR	virtual0.spvision.net
217.9.237.204	A	capricevlas.com
217.9.237.204	A	thexperts.bg
217.9.237.204	A	camarabg.com
217.9.237.211	A	hassontradelinks.com
217.9.237.211	A	mdl.bg
217.9.237.211	A	mitko.info
217.9.237.216	PTR	www3.spvision.net
217.9.237.216	A	enniomaestri.com
217.9.237.216	A	www.mallrousse.bg
217.9.237.217	PTR	server.smediateam.com
217.9.239.0	PTR	unknown.interbgc.com
217.9.239.42	PTR	mail.balkanfoods.eu
217.9.239.42	A	www.balkanfoods.eu
217.9.239.42	A	ns1.balkanfoods.eu
217.9.239.76	A	irc.svalki.org
217.9.239.76	A	*.inferno.bg
217.9.239.90	PTR	ns1-sof.blizoo.bg
217.9.239.128	PTR	unknown.interbgc.com
217.9.239.130	PTR	velingrad.net
217.9.239.131	PTR	sarnica.net
217.9.239.250	PTR	unknown.interbgc.com