Robtex

Up: 78.90.8.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 78.90.12.0/23
Down right: 78.90.14.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
78.90.12.1	PTR	home-78-90-12-1.megalan.bg
78.90.12.31	A	mail.aseia-bg.com
78.90.12.31	A	aseia-bg.com
78.90.12.33	A	ilieff.com
78.90.12.53	PTR	mail.expro.bg
78.90.12.77	A+PTR	rusev.org
78.90.12.77	A	baka-rangers.org
78.90.12.77	A	www.rusev.org
78.90.12.117	PTR	mail.sigmashipping.eu
78.90.12.117	A	mail.topalovi.eu
78.90.12.117	A	ns.sigmashipping.eu
78.90.12.199	A+PTR	helios.tetratron.net
78.90.13.2	PTR	mail.crosslogistics.eu
78.90.13.58	A	bmarsenal.com
78.90.13.107	PTR	mail.vizibility.net
78.90.13.240	PTR	abt.bg
78.90.14.1	PTR	home-78-90-14-1.megalan.bg
78.90.14.28	A	matrixdoc.com
78.90.14.42	A	ns.ada.bg
78.90.14.45	A	east-kff.com
78.90.14.48	PTR	xtr-bg.com
78.90.14.50	PTR	bgnews4.me
78.90.14.62	A+PTR	mail.ada.bg
78.90.14.74	PTR	outmail.penkov-markov.eu
78.90.14.74	A	mail2.penkov-markov.eu
78.90.14.78	PTR	mail2.ada.bg
78.90.14.78	A	mail1.ada.bg
78.90.14.102	A	devinfo.science
78.90.14.124	A	ns.ada.bg
78.90.14.124	A	www.ada3d.bg
78.90.14.179	PTR	tsl20.udoma.org
78.90.14.206	A+PTR	tetra-server.tetratron.net
78.90.14.206	A	www.tetratron.net
78.90.15.16	PTR	mail.amexis.net
78.90.15.18	A	megalan.sellex.bg
78.90.15.19	A	mail.miscsoft.net
78.90.15.19	A	www.miscsoft.net
78.90.15.19	A	miscsoft.net
78.90.15.71	A	mail.thesofiaguide.com
78.90.15.80	A	chosmile.com
78.90.15.219	A	wifi.bg3.biz
78.90.15.226	A+PTR	infinity.bg3.biz
78.90.15.227	A+PTR	jupiter.bg3.biz
78.90.15.228	A+PTR	pluton.bg3.biz
78.90.15.228	A	disconnect.tk
78.90.15.228	A	mcorp.eu
78.90.15.229	PTR	deimos.bg3.biz
78.90.15.254	A	*.bg.wineforum-bg.net
78.90.15.254	A	www.wineforum-bg.net
78.90.15.254	A	krasialfata.com