Robtex

Up: 217.10.240.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 217.10.248.0/22
Down right: 217.10.252.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
217.10.248.132	A	twpoly.com
217.10.249.198	A	00252e5f62d0.softphone.blizoo.bg
217.10.250.50	A	001e6bef8ded.softphone.blizoo.bg
217.10.250.208	A	00252e183e9c.softphone.blizoo.bg
217.10.251.4	PTR	unknown.ekk.bg
217.10.251.14	PTR	unknown.ekk.bg
217.10.251.15	PTR	unknown.ekk.bg
217.10.251.99	PTR	unknown.ekk.bg
217.10.251.145	A	external.fsof2-1.fna.fbcdn.net
217.10.251.145	A	scontent.fsof2-1.fna.fbcdn.net
217.10.251.146	A	video.fsof2-1.fna.fbcdn.net
217.10.251.160	A	instagram.fsof2-1.fna.fbcdn.net
217.10.253.21	PTR	eos.witmind.com
217.10.253.21	A	www.egosiastic.com
217.10.253.21	A	www.restavratsia.com
217.10.255.178	PTR	217-10-255-178.inetclub.evrocom.net
217.10.255.184	PTR	ns2.sos.bg