Robtex

Up: 91.219.144.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 91.219.144.0/23
Down right: 91.219.146.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
91.219.144.0	PTR	host144-0.nubip.edu.ua
91.219.144.4	A+PTR	ns.nubip.edu.ua
91.219.144.4	A	ns.nauu.edu.ua
91.219.144.4	A	ns.nauu.kiev.ua
91.219.144.5	A+PTR	mail.nauu.kiev.ua
91.219.144.6	PTR	twin.nauu.kiev.ua
91.219.144.68	A	bc.nubip.edu.ua
91.219.144.69	PTR	host144-69.nubip.edu.ua
91.219.144.69	A	elearn.nubip.edu.ua
91.219.144.71	PTR	elibrary.nubip.edu.ua
91.219.144.71	A	france.agroua.net
91.219.144.71	A	agroua.net
91.219.144.90	A	elibrary.nubip.edu.ua
91.219.144.91	PTR	host144-91.nubip.edu.ua
91.219.144.91	A	www.edorada.org
91.219.144.99	PTR	host144-99.nubip.edu.ua
91.219.144.99	A	ns2.nubip.edu.ua
91.219.144.101	PTR	web.nubip.edu.ua
91.219.144.101	A	web.nauu.kiev.ua
91.219.144.101	A	regalproduction.com
91.219.147.255	PTR	host147-255.nubip.edu.ua