Robtex

Up: 212.56.0.0/17
Can't show all results, try to descend to a more specific CIDR
Down left: 212.56.0.0/19
Down right: 212.56.32.0/19
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
212.56.0.3	PTR	vl107.sof-003-access-13.interoute.net
212.56.1.62	A	bulgare.org
212.56.1.62	A	mail.costabulgara.com
212.56.1.62	A	ns1.archadia.net
212.56.1.98	A	www.alucom-bg.com
212.56.1.98	A	alucom-bg.com
212.56.1.203	PTR	mail.orchidholdings.bg
212.56.2.12	PTR	www.piraeusbank.bg
212.56.2.51	A	dimitrovpetrov.com
212.56.2.51	A	mail.dimitrovpetrov.com
212.56.4.3	PTR	router2.bulins.bg
212.56.4.10	A	ns.bulins.bg
212.56.4.10	A	ns.bulins.com
212.56.4.11	A	db.carhistory.bg
212.56.4.11	A	carhistory.bg
212.56.4.111	A	wwwins.bulins.bg
212.56.5.50	A+PTR	host.marinov.us
212.56.5.50	A	*.marinov.us
212.56.5.50	A	c.zulu.bg
212.56.6.0	PTR	net212.pasat.bg
212.56.6.162	A+PTR	ec1.aubg.bg
212.56.6.166	A+PTR	ec2.aubg.bg
212.56.7.97	A+PTR	seg.fl.tpnbg.net
212.56.7.98	A+PTR	sef.fl.tpnbg.net
212.56.7.99	A	host3.fl.tpnbg.net
212.56.7.103	A	host7.fl.tpnbg.net
212.56.7.148	A	post.predistic.com
212.56.7.217	A+PTR	ari1.tpnbg.net
212.56.7.218	A+PTR	ari2.tpnbg.net
212.56.7.219	A	ari3.tpnbg.net
212.56.7.220	A	ari4.tpnbg.net
212.56.13.2	PTR	mx.ibs.bg
212.56.13.161	A	bdch1.tpnbg.net
212.56.13.162	A	bdch2.tpnbg.net
212.56.13.163	A+PTR	bdch3.tpnbg.net
212.56.13.164	A+PTR	bdch4.tpnbg.net
212.56.13.203	PTR	ns.zdrave.net
212.56.13.204	PTR	www.intelday.com
212.56.13.204	A	zahorata.net
212.56.13.204	A	srzi.bg
212.56.13.208	PTR	mail.zdrave.net
212.56.14.74	A	dkc.iservice.bg
212.56.15.7	A	ooloop.tpnbg.net
212.56.15.30	A	swch67.tpnbg.net
212.56.15.139	A	ns.sofia.bulgartabac.bg
212.56.15.164	A	mail.careasap.com
212.56.15.164	A	careasap.com
212.56.15.178	A	mail2.ccarebg.com
212.56.15.193	PTR	vgw.tpnbg.net
212.56.15.203	PTR	mail.sweco.bg
212.56.19.174	A	www.pleven-bt.com
212.56.19.174	A	free.el-soft.com
212.56.24.8	A	vip-user08.iservice.bg
212.56.24.87	A	ras38.iservice.bg
212.56.25.51	A	pppoe-user-051.iservice.bg
212.56.25.58	A	pppoe-user-058.iservice.bg
212.56.25.93	A	pppoe-user-093.iservice.bg
212.56.25.118	A	pppoe-user-118.iservice.bg
212.56.25.121	A	pppoe-user-121.iservice.bg
212.56.25.150	A	pppoe-user-150.iservice.bg
212.56.25.157	A	pppoe-user-157.iservice.bg
212.56.25.200	A	pppoe-user-200.iservice.bg
212.56.25.215	A	pppoe-user-215.iservice.bg
212.56.30.85	A	sf-montana1.tpnbg.net
212.56.30.129	PTR	sf-per.tpnbg.net
212.56.30.129	PTR	gi1-0-0-21.sof-003-core-1.interoute.net
212.56.30.209	A	bg-gw3.tpnbg.net
212.56.31.2	A	x25i2.tpnbg.net
212.56.32.2	A	carlton.innotts.co.uk
212.56.32.6	A	ns1.innotts.co.uk
212.56.32.19	A	ns2.empics.co.uk
212.56.38.33	A	dal-im1br.mistral.net
212.56.38.48	A	www.agalley.net
212.56.38.48	A	mail.agalley.net
212.56.38.48	A	agalley.net
212.56.39.1	PTR	no-reverse.mistral.co.uk
212.56.51.3	A	mail.abproduce.co.uk
212.56.51.178	A	caveg.co.uk
212.56.51.194	A	mail.healthmanltd.com
212.56.51.197	A	mail.corporatemedicare.co.uk
212.56.51.197	A	mail.corporatemedicare.com
212.56.53.2	PTR	cobweb.commaoil.com
212.56.54.90	A+PTR	edatamail.mezher.co.uk
212.56.55.43	PTR	mail2.languagelinkuk.com
212.56.55.43	A+PTR	mail2.languagelinkuk.co.uk
212.56.55.170	A+PTR	mail4.perpex.net
212.56.55.170	A	www.perpex.net
212.56.55.178	A+PTR	mail3.perpex.net
212.56.55.186	PTR	mail2.perpex.net
212.56.55.194	A+PTR	mail1.perpex.net
212.56.55.194	A	perpex.info
212.56.55.194	A	perpex.co.uk
212.56.58.2	A	mm8111.com
212.56.58.154	PTR	mail.alcs.co.uk
212.56.59.59	PTR	mail.uwha.co.uk
212.56.62.42	A	pramodagarwal.com
212.56.63.195	PTR	mail.ukhca.net
212.56.63.195	A	mailserver.ukhomecare.net
212.56.63.195	A	mailserver.carejobfinder.net