Robtex

Up: 78.90.88.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 78.90.88.0/24
Down right: 78.90.89.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
78.90.88.1	PTR	home-78-90-88-1.megalan.bg
78.90.88.149	A	avangardianz.com
78.90.89.1	PTR	home-78-90-89-1.megalan.bg
78.90.89.39	A	furtunova.com
78.90.89.39	A	ns1.kolenichev.com
78.90.89.39	A	kolenichev.com
78.90.89.102	A	mail.iteco.bg
78.90.89.102	A	mmrrr.com
78.90.89.119	A+PTR	damencho.com
78.90.89.119	A	darrin.photos
78.90.89.126	PTR	mail.linuxdevgroup.org
78.90.89.126	A	badandmad.net
78.90.89.126	A	www.levski.biz
78.90.89.148	PTR	petko.info
78.90.89.159	A	diliev.com