Robtex

Up: 80.70.72.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 80.70.72.0/23
Down right: 80.70.74.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
80.70.72.2	PTR	80.70.72.2.zh-customers.mixnet.ua
80.70.72.4	PTR	72.4.customers.mixnet.kiev.ua
80.70.72.8	PTR	72.8.customers.mixnet.kiev.ua
80.70.72.8	A	msgame.org.ua
80.70.72.8	A	megastar.in.ua
80.70.73.2	A	lingate.yurol.com
80.70.73.72	PTR	td-agro.customers.mixnet.kiev.ua
80.70.73.78	PTR	olvita.78.customers.mixnet.kiev.ua
80.70.73.78	A	olvyia.com
80.70.73.150	A	mail.sineps.com.ua
80.70.73.162	A	mail.citystate.com.ua
80.70.73.226	PTR	konelskiy.customers.mixnet.kiev.ua
80.70.74.99	A+PTR	mail.salmo.ua
80.70.74.101	PTR	salmo.101.customers.mixnet.kiev.ua
80.70.74.101	A	www.salmo.ua
80.70.74.101	A	salmo.ua
80.70.74.132	PTR	css-hp-lsk14.132.customers.mixnet.kiev.ua
80.70.75.13	A	mx.oblik.ua
80.70.75.13	A	relay.oblik.com.ua
80.70.75.14	PTR	75.14.customers.mixnet.kiev.ua
80.70.75.14	A	mail.oblik.com.ua
80.70.75.66	A	gw.pilsner.com.ua