Robtex

Up: 79.172.52.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 79.172.52.0/24
Down right: 79.172.53.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
79.172.52.20	A+PTR	sushimarket.convex.ru
79.172.52.50	A+PTR	showman.convex.ru
79.172.52.66	A+PTR	339694809.convex.ru
79.172.52.213	A+PTR	332858134.convex.ru
79.172.52.213	A	mx3.dmm-ural.ru
79.172.52.213	A	ns1.sed.ru
79.172.52.227	A	mx3.zg66.ru
79.172.52.234	A	mx2.zg66.ru