Robtex

Up: 81.18.32.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 81.18.32.0/22
Down right: 81.18.36.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
81.18.32.2	A+PTR	ns.url.rbk.kz
81.18.32.2	A	url.rbk.kz
81.18.33.2	PTR	ns.kar.rbk.kz
81.18.33.2	A	kar.rbk.kz
81.18.33.130	A	cerber.kz
81.18.33.179	A	dns1.autos.kz
81.18.33.180	PTR	mx.autos.kz
81.18.33.180	A	mail.btop.kz
81.18.33.180	A	mail.msoy.kz
81.18.33.181	PTR	mx.uszs.kz
81.18.33.182	PTR	mx2.uszs.kz
81.18.33.182	PTR	vps2.autos.kz
81.18.33.182	A	chaykahotel.kz
81.18.33.183	A	ipkon.kz
81.18.33.185	PTR	vps.autos.kz
81.18.33.185	A	chaykahotel.kz
81.18.33.185	A	aknura.kz
81.18.35.98	A	sppav1.rbk.kz
81.18.35.178	A	nexus.eksi.kz
81.18.36.98	A	spshm1.rbk.kz
81.18.37.26	A	spkos1.rbk.kz
81.18.38.37	A	popov.kz
81.18.38.114	A+PTR	mail.dtech.kz
81.18.39.131	A	mail.a-ts.kz
81.18.39.131	A	srv1.a-ts.kz
81.18.39.131	A	ns1.a-ts.kz