Robtex

Up: 83.142.96.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 83.142.104.0/22
Down right: 83.142.108.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
83.142.104.104	A	mustmotors.ru
83.142.105.2	PTR	unlim.2
83.142.105.15	A	mail.makhovik.be
83.142.105.39	A+PTR	recycler.com.ua
83.142.105.39	A	mail.medoc.od.ua
83.142.105.39	A	medoc.od.ua
83.142.105.110	A+PTR	relay2.eleng.biz
83.142.105.110	A	elengb2b.com
83.142.105.250	A	ilmark.portovik.com
83.142.105.250	A	mail.portovik.com
83.142.105.250	A	portovik.com
83.142.106.91	A	mail.gcn.pp.ua
83.142.106.128	PTR	mail.ossystem.com.ua
83.142.106.128	A	ilich.com.ua
83.142.106.128	A	ns1.ossystem.com.ua
83.142.107.2	PTR	unlim.2
83.142.107.185	A+PTR	prest.com.ua
83.142.107.185	A	current.prest.com.ua
83.142.107.185	A	main.prest.com.ua
83.142.107.235	A+PTR	mapolaris.com
83.142.107.250	PTR	afae.com.ua
83.142.109.2	PTR	unlim.2
83.142.109.57	A	mtaservice.com
83.142.109.58	A+PTR	mail.idealvariant.com.ua
83.142.109.96	A	rx-shipping.com
83.142.109.96	A	mail.rx-shipping.com
83.142.109.109	PTR	mail.lumiere.ua
83.142.109.109	A	mail.cyvis.com
83.142.109.109	A	mail.deshevo-vsem.biz
83.142.109.145	A	svikon.ilyichevsk.net
83.142.110.2	PTR	unlim.2
83.142.110.8	A	cmr.gov.ua
83.142.110.62	A	root.dyndns-ip.com
83.142.111.2	PTR	unlim.2
83.142.111.208	PTR	nat-pool-208
83.142.111.235	PTR	random-users-nat2.pool
83.142.111.249	PTR	random-users-nat2.pool