Robtex

Up: 87.247.16.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 87.247.16.0/22
Down right: 87.247.20.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
87.247.16.18	A+PTR	remote.fes.kz
87.247.16.36	PTR	mail.semahospital.kz
87.247.16.83	PTR	mail.logex.kz
87.247.16.122	A+PTR	mail.catalog-express.kz
87.247.16.198	PTR	mail.kmic.kz
87.247.16.208	PTR	mail.afn.kz
87.247.17.141	PTR	client.fttb.2day.kz
87.247.18.22	PTR	altyn-miras.kz
87.247.18.29	PTR	mail.rrc.kz
87.247.18.58	PTR	mail.group.kz
87.247.18.74	A+PTR	mail.dosgroup.kz
87.247.18.74	A	dosgroup.kz
87.247.18.187	A+PTR	mx2.marvel.kz
87.247.18.188	A+PTR	ns2.marvel.kz
87.247.18.198	A	mail.mobcontent.kz
87.247.18.245	PTR	mail.internews.kz
87.247.18.250	A	video24kz.com
87.247.18.250	A	mail.azteki.kz
87.247.18.250	A	mail.young-mother.kz
87.247.20.65	PTR	bb.ct.kz
87.247.20.74	PTR	bv.com.kz
87.247.20.75	PTR	ns.eximbank.kz
87.247.20.132	PTR	mail.oriflame.kz
87.247.20.162	PTR	lion.lion.kz
87.247.20.163	PTR	mail.lion.kz
87.247.20.202	PTR	serv1.w3.kz
87.247.20.218	PTR	mail.medialink.kz
87.247.20.218	PTR	ns1.twiga.kz
87.247.20.219	PTR	mail.twiga.kz
87.247.20.227	PTR	mail.mlpress.kz
87.247.21.22	PTR	serv1.w3.kz
87.247.21.49	PTR	prima.imagine.kz
87.247.21.50	PTR	stop-man.imagine.kz
87.247.21.130	A	ns2.jmi.uz
87.247.21.130	A	ns2.immo.uz
87.247.22.6	PTR	lpg-srv.lpgaz.kz
87.247.22.38	PTR	trade-design.kz
87.247.22.38	PTR	mail.t-d.kz
87.247.22.38	A	mail.trade-design.kz
87.247.22.62	PTR	kz.vesta-trans.com
87.247.22.86	PTR	mail.asbis.kz
87.247.22.98	PTR	mail.cocrealty.kz
87.247.22.106	PTR	gw.tia.kz
87.247.22.254	A	knhp.kz
87.247.23.43	PTR	client.fttb.2day.kz
87.247.23.119	PTR	client.fttb.2day.kz
87.247.23.123	PTR	client.fttb.2day.kz