Robtex

Up: 87.244.32.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 87.244.32.0/21
Down right: 87.244.40.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
87.244.32.0	PTR	c32-0.sunlink.ru
87.244.32.168	A	zgw4.zdravservice.ru
87.244.32.168	A	mx.tvojdoktor.ru
87.244.32.168	A	mx.zdesapteka.ru
87.244.32.179	A	mail.s-dom71.ru
87.244.33.158	A+PTR	hm997108.magnit.ru
87.244.33.170	A	mail.arcon71.ru
87.244.33.174	A	ns2.xn--80apkabhehjol.xn--p1ai
87.244.33.174	A	ns2.prominstall.ru
87.244.33.174	A	vostok-tula.ru
87.244.34.70	A	device71.ru
87.244.34.70	A	expert-master71.ru
87.244.34.70	A	bolohovoulibka.ru
87.244.34.118	A	mail.mb-tula.ru
87.244.34.138	A	mail.stroymagistral.com
87.244.34.238	A	dns2.nusvip.ru
87.244.34.238	A	ns4.dfuktilor.at
87.244.34.238	A	ns2.dfuktilor.at
87.244.35.106	A	id71.ru
87.244.36.30	A	mail.stroy-teks.ru
87.244.37.58	A	tula.tander.ru
87.244.38.100	A	access.sunlink.ru
87.244.39.214	A+PTR	mail.tula.gkm.ru
87.244.40.202	PTR	mail.itoolabs.com
87.244.40.202	A	mx2.itoolabs.com
87.244.41.142	A	soft-gold.ru
87.244.43.146	A+PTR	mail.es71.net
87.244.43.146	A	es71.net
87.244.44.22	A	mail.tt-svc.ru
87.244.45.170	A+PTR	mail.tulaagro.ru
87.244.45.226	A	www.tcombank.ru
87.244.45.226	A	bank-trc.ru
87.244.46.18	A+PTR	mx01.robot-tech.ru
87.244.46.18	A	mx01.avtosvar.com
87.244.46.214	A	tgtula.ru
87.244.46.214	A	mail.tgtula.ru
87.244.46.242	A+PTR	mail.tula.co
87.244.46.242	A	wan1.tula.co
87.244.46.242	A	mail.tulaco.com
87.244.46.247	A	tulaco.ru
87.244.47.30	A	tgkst.ru
87.244.47.30	A	www.tgkst.ru
87.244.47.30	A	mail.tgkst.ru
87.244.47.90	A	71region.ru
87.244.47.92	A+PTR	mx.71region.ru