Robtex

Up: 109.72.240.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 109.72.248.0/22
Down right: 109.72.252.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
109.72.248.16	PTR	host-109-72-248-16.shchelkovo-net.ru
109.72.248.19	PTR	host-109-72-248-19.shchelkovo-net.ru
109.72.248.22	A	diemaker.ru
109.72.248.22	A	corb.diemaker.ru
109.72.248.22	A	corb.laserpack.ru
109.72.248.27	PTR	host-109-72-248-27.shchelkovo-net.ru
109.72.248.29	A	ns.new-grad.ru
109.72.248.32	PTR	host-109-72-248-32.shchelkovo-net.ru
109.72.248.33	PTR	host-109-72-248-33.shchelkovo-net.ru
109.72.248.50	PTR	host-109-72-248-50.shchelkovo-net.ru
109.72.248.73	PTR	host-109-72-248-73.shchelkovo-net.ru
109.72.248.80	PTR	host-109-72-248-80.shchelkovo-net.ru
109.72.248.82	PTR	host-109-72-248-82.shchelkovo-net.ru
109.72.248.99	PTR	host-109-72-248-99.shchelkovo-net.ru
109.72.248.122	PTR	host-109-72-248-122.shchelkovo-net.ru
109.72.248.122	A	lite-telecom.ru
109.72.248.122	A	xn--80akaohbdkr9aa.xn--p1ai
109.72.248.131	PTR	host-109-72-248-131.shchelkovo-net.ru
109.72.248.155	PTR	host-109-72-248-155.shchelkovo-net.ru
109.72.248.160	PTR	host-109-72-248-160.shchelkovo-net.ru
109.72.248.170	PTR	host-109-72-248-170.shchelkovo-net.ru
109.72.248.170	A	coobs.ru
109.72.248.170	A	www.coobs.ru
109.72.248.176	PTR	host-109-72-248-176.shchelkovo-net.ru
109.72.248.186	PTR	host-109-72-248-186.shchelkovo-net.ru
109.72.248.193	PTR	host-109-72-248-193.shchelkovo-net.ru
109.72.248.200	PTR	host-109-72-248-200.shchelkovo-net.ru
109.72.248.216	PTR	host-109-72-248-216.shchelkovo-net.ru
109.72.248.219	PTR	host-109-72-248-219.shchelkovo-net.ru
109.72.248.233	PTR	host-109-72-248-233.shchelkovo-net.ru
109.72.249.19	PTR	host-109-72-249-19.shchelkovo-net.ru
109.72.249.19	A	mail3.plastika-okon.ru
109.72.249.30	A	blokus.ru
109.72.249.44	A	mail.gezl.ru
109.72.249.46	A	mail.velikates.ru
109.72.249.74	PTR	mail.vdomokna.ru
109.72.249.106	PTR	host-109-72-249-106.shchelkovo-net.ru