Robtex

Up: 213.87.96.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 213.87.98.0/24
Down right: 213.87.99.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
213.87.98.0	PTR	host.mrdv-3.mtsnet.ru
213.87.98.41	PTR	clb.primorye.mts.ru
213.87.98.82	PTR	host.mrdv-3.mtsnet.ru
213.87.98.100	PTR	host.mrdv-3.mtsnet.ru
213.87.98.105	A+PTR	mail-msg1.mtsdv.ru
213.87.98.105	A	www.mtsdv.ru
213.87.98.105	A	mx3.mrdv.mts.ru
213.87.98.106	A+PTR	mx4.mrdv.mts.ru
213.87.98.187	PTR	host.mrdv-3.mtsnet.ru
213.87.98.250	PTR	host.mrdv-3.mtsnet.ru
213.87.98.250	A	mx.mrdv.mts.ru
213.87.98.251	A+PTR	mx1.mrdv.mts.ru
213.87.98.251	A	ns1.mrdv.mts.ru
213.87.98.252	A+PTR	mx2.mrdv.mts.ru
213.87.98.252	A	ns2.mrdv.mts.ru
213.87.98.253	PTR	host.mrdv-3.mtsnet.ru
213.87.99.3	PTR	host.mrdv-4.mtsnet.ru
213.87.99.51	PTR	mail-001.softlinedirect.ru
213.87.99.51	A	ns1.softlinenews.ru
213.87.99.51	A	axoft-direct.ru
213.87.99.67	A+PTR	mail.transitllc.ru
213.87.99.130	PTR	host.mrdv-4.mtsnet.ru
213.87.99.130	A	ns.kam24.ru
213.87.99.130	A	vostokmedia.com
213.87.99.148	PTR	mail.primamedia.ru
213.87.99.148	A	www.prim.tv
213.87.99.148	A	ussurmedia.ru