Robtex

Up: 89.252.240.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 89.252.241.0/25
Down right: 89.252.241.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
89.252.241.5	PTR	mta261.bge.mmkw.net
89.252.241.7	PTR	mta7.bgc.mmkw.net
89.252.241.9	A	titan.bg-science.info
89.252.241.12	A	roadsbg.com
89.252.241.18	A	visionstudio.biz
89.252.241.23	A	mail.nardelo.bg
89.252.241.24	A	vesidon.com
89.252.241.39	A+PTR	mxg1.walltopia.com
89.252.241.40	PTR	mail.walltopia.com
89.252.241.40	A	e-walls.eu
89.252.241.40	A	www.composite-x.com
89.252.241.70	PTR	mta326.bge.mmkw.net
89.252.241.70	A	mta70.bgc.mmkw.net
89.252.241.71	A	ns10.azonmedia.com
89.252.241.71	A	azon.biz
89.252.241.71	A	coventgardengifts.com
89.252.241.72	A+PTR	server101.azonmedia.com
89.252.241.72	A	brickcafesofia.com
89.252.241.72	A	ns1.azonmedia.com
89.252.241.81	A	azonmobile.com
89.252.241.138	PTR	mta394.bge.mmkw.net