Robtex

Up: 31.42.32.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 31.42.32.0/23
Down right: 31.42.34.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
31.42.32.2	A	ns4.fw-electro.ru
31.42.32.4	PTR	ns.dinfo.ru
31.42.32.4	A	ns1.intelway.ru
31.42.32.4	A	fw-electro.ru
31.42.32.5	PTR	dhcp-31-42-32-5.intelway.ru
31.42.32.18	A	www.psvs.ru
31.42.32.20	A+PTR	mail.dinfo.ru
31.42.32.20	A	mail.intelway.ru
31.42.32.20	A	smtp.dinfo.ru
31.42.32.26	PTR	www01.intelway.ru
31.42.32.26	A	mail.vodkaraduga.com
31.42.32.26	A	intelway.ru
31.42.32.28	A	shtak.net
31.42.32.28	A	mzdrav.com
31.42.32.30	A	psvs.ru
31.42.32.30	A	ns.psvs.ru
31.42.33.34	A+PTR	ns2.intelway.ru
31.42.33.34	A	ns1.dinfo.ru
31.42.35.18	A	ns2.itad.su