Robtex

Up: 109.86.8.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 109.86.8.0/23
Down right: 109.86.10.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
109.86.8.0	PTR	0.8.86.109.triolan.net
109.86.8.1	PTR	webfaba.com
109.86.8.1	A	mail.bestjoke.org.ua
109.86.8.1	A	mail.chitay.net
109.86.8.44	PTR	44.8.86.109.triolan.net
109.86.8.162	PTR	162.8.86.109.triolan.net
109.86.8.255	PTR	255.8.86.109.triolan.net
109.86.9.41	PTR	41.9.86.109.triolan.net
109.86.9.41	A	reactor.in.ua
109.86.9.41	A	svobodamedia.pp.ua
109.86.9.77	PTR	77.9.86.109.triolan.net
109.86.9.246	PTR	246.9.86.109.triolan.net
109.86.9.255	PTR	255.9.86.109.triolan.net
109.86.10.0	PTR	0.10.86.109.triolan.net
109.86.10.14	PTR	14.10.86.109.triolan.net
109.86.10.193	PTR	193.10.86.109.triolan.net
109.86.10.232	PTR	232.10.86.109.triolan.net
109.86.10.232	A	mail.farsipharm.com.ua
109.86.10.255	PTR	255.10.86.109.triolan.net
109.86.11.0	PTR	0.11.86.109.triolan.net
109.86.11.96	PTR	96.11.86.109.triolan.net
109.86.11.184	PTR	184.11.86.109.triolan.net
109.86.11.184	A	dd.rekmilk.at