Robtex

Up: 109.73.12.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 109.73.12.0/24
Down right: 109.73.13.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
109.73.12.5	A+PTR	mail.oavs.ru
109.73.12.5	A	www.oavs.ru
109.73.12.5	A	oavs.ru
109.73.12.43	PTR	mx1.mouzenidis.com
109.73.12.110	PTR	mail.rzd-transfer.ru
109.73.12.135	A	apluscom.ru
109.73.12.245	A	mail.tri-plan.ru
109.73.13.14	A	wigi8.com
109.73.13.14	A	betgear.ru
109.73.13.14	A	slotsbr0.com
109.73.13.21	A	mail3.gpm.ru
109.73.13.26	A	mail.iris-flowers.ru
109.73.13.49	A	mail.abcmind.ru
109.73.13.85	A+PTR	mail.usdgroup.ru
109.73.13.86	A	mail2.selecta.org
109.73.13.142	A	mail.profkran.ru
109.73.13.145	A+PTR	mail.delin-d.ru
109.73.13.156	A	mx.1001tur.su
109.73.13.165	PTR	mail2.akmetron.ru
109.73.13.227	A	xn----7sbebo1bpcdffkw1a.xn--p1ai
109.73.13.227	A	leopard-land.ru
109.73.13.227	A	russiawild.ru
109.73.13.232	A	mail.europlan.ru
109.73.13.233	A	xn--80acbl5anbdefjuz.xn--p1ai
109.73.13.233	A	xn----7sbbfoqyrgkju.xn--p1ai
109.73.13.233	A	new-lease.ru
109.73.13.243	A	edge1.europlan.ru