Robtex

Up: 77.70.90.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 77.70.91.0/25
Down right: 77.70.91.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
77.70.91.3	PTR	home.tupalka.com
77.70.91.9	A	aebtechno.com
77.70.91.9	A	asmlair.net
77.70.91.9	A	aebtechno.it
77.70.91.41	PTR	deepblue.sky.bg
77.70.91.41	A	ms-primestudio.com
77.70.91.41	A	marvikpastrogor.com
77.70.91.60	A	silvix.bg
77.70.91.60	A	mail.silvix.bg
77.70.91.60	A	ns.silvix.bg
77.70.91.61	A	ns1.silvix.bg
77.70.91.85	A	mx1.romy-dent.com
77.70.91.85	A	ns.romy-tech.com
77.70.91.106	A	hostmaster.sky.bg
77.70.91.106	A	mail.sky.bg
77.70.91.106	A	deepsky.skycontrol.bg
77.70.91.107	PTR	absolute.skycontrol.bg
77.70.91.109	PTR	mail.sky.bg
77.70.91.249	A	tchernev.com