Robtex

Up: 91.219.48.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 91.219.52.0/23
Down right: 91.219.54.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
91.219.52.0	PTR	91-219-52-0.centr.zp.ua
91.219.52.1	A+PTR	core.centr.zp.ua
91.219.52.1	A	ns2.marionetka.org
91.219.52.1	A	centr.zp.ua
91.219.52.15	PTR	91-219-52-15.centr.zp.ua
91.219.52.15	A	hotsteel.pro
91.219.52.18	A	marionetka.org
91.219.52.18	A	mail.marionetka.org
91.219.52.18	A	ns1.marionetka.org
91.219.52.19	PTR	webcam.zp.ua
91.219.52.19	A	www.webcam.zp.ua
91.219.52.20	PTR	webcam.zp.ua
91.219.52.49	PTR	91-219-52-49.10g-gw.bgp-server
91.219.52.67	A	www.smilef.com.ua
91.219.52.67	A	kvitioptom.com.ua
91.219.52.67	A	www.ukrkarta.ua
91.219.52.68	A	caimania.com
91.219.52.68	A	www.kirillovka.ua
91.219.52.68	A	kirillovka.ua
91.219.52.69	PTR	91-219-52-69.centr.zp.ua
91.219.52.69	A	free-webcam-software.com
91.219.52.70	PTR	91-219-52-70.virtual-server3.centr.zp.ua
91.219.52.72	A	www.videofriends.net
91.219.52.73	PTR	91-219-52-73.centr.zp.ua
91.219.52.73	A	muine-rent.com
91.219.52.73	A	gimnastika.zp.ua
91.219.52.75	PTR	mail.adwidget.cool
91.219.52.130	PTR	91-219-52-130.dynamic-nat.centr.zp.ua
91.219.52.130	A	ns1.centr.zp.ua
91.219.52.158	PTR	91-219-52-158.dynamic-nat.centr.zp.ua
91.219.52.200	A	ns2.centr.zp.ua
91.219.52.200	A	core2.centr.zp.ua
91.219.54.4	A	zotd.com.ua
91.219.54.4	A	imed.org.ua
91.219.54.4	A	ns1.imed.org.ua
91.219.54.100	PTR	91-219-54-100.centr.zp.ua
91.219.54.120	PTR	91-219-54-120.centr.zp.ua
91.219.54.136	PTR	91-219-54-136.centr.zp.ua
91.219.54.252	PTR	91-219-54-252.centr.zp.ua
91.219.54.252	A	skifia.in.ua
91.219.54.252	A	skynet-cis.com.ua
91.219.55.2	PTR	91-219-55-2.centr.zp.ua
91.219.55.118	PTR	91-219-55-118.centr.zp.ua