Robtex

Up: 31.40.96.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 31.40.112.0/21
Down right: 31.40.120.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
31.40.112.0	PTR	u0-r0.miass.multinex.ru
31.40.112.3	PTR	mail.miass.multinex.ru
31.40.112.4	A	fhead.org
31.40.112.4	A	mail.amenik.org
31.40.112.4	A	stmiass.ural.mts.ru
31.40.112.70	PTR	nat-70.miass.multinex.ru
31.40.112.122	PTR	nat-122.miass.multinex.ru
31.40.112.122	A	fhead.org
31.40.112.122	A	mail.amenik.org
31.40.112.159	PTR	u159-r0.miass.multinex.ru
31.40.112.165	A+PTR	ns1.informbase.ru
31.40.112.165	A	informbase.ru
31.40.112.190	A+PTR	mail.uralaz.ru
31.40.112.190	A	ns2.uralaz.ru
31.40.112.191	PTR	u191-r0.miass.multinex.ru
31.40.112.191	A	mail2.tduralaz.ru
31.40.112.192	A+PTR	uralaz.ru
31.40.112.192	A	exchange2.uralaz.ru
31.40.113.3	PTR	u3-r1.dynamic.miass.multinex.ru
31.40.113.40	PTR	u40-r1.dynamic.miass.multinex.ru
31.40.113.42	A+PTR	exchange.g-miass.ru
31.40.113.42	A	xn--80aplwa.xn--p1ai
31.40.113.42	A	www.g-miass.ru
31.40.113.55	A+PTR	kpd.miass.ru
31.40.113.55	A	mail.kpd.miass.ru
31.40.113.92	PTR	u92-r1.dynamic.miass.multinex.ru
31.40.113.130	PTR	u130-r1.dynamic.miass.multinex.ru
31.40.113.130	A	www.s4miass.ru
31.40.113.130	A	s4miass.ru
31.40.114.9	PTR	u9-r2.dynamic.miass.multinex.ru
31.40.114.98	PTR	u98-r2.dynamic.miass.multinex.ru
31.40.114.202	PTR	u202-r2.dynamic.miass.multinex.ru
31.40.115.1	PTR	u1-r3.dynamic.miass.multinex.ru
31.40.115.96	PTR	u96-r3.dynamic.miass.multinex.ru
31.40.115.160	PTR	u160-r3.dynamic.miass.multinex.ru
31.40.115.194	PTR	u194-r3.dynamic.miass.multinex.ru
31.40.116.18	PTR	u18-r4.dynamic.miass.multinex.ru
31.40.117.111	PTR	u111-r5.dynamic.miass.multinex.ru
31.40.118.18	PTR	u18-r6.dynamic.miass.multinex.ru
31.40.118.34	PTR	u34-r6.dynamic.miass.multinex.ru
31.40.118.60	PTR	u60-r6.dynamic.miass.multinex.ru
31.40.119.198	PTR	u198-r7.dynamic.miass.multinex.ru
31.40.120.19	PTR	u19-r8.dynamic.miass.multinex.ru
31.40.122.10	PTR	u10-r10.dynamic.miass.multinex.ru
31.40.125.25	PTR	u25-r13.dynamic.miass.multinex.ru
31.40.125.185	PTR	u185-r13.dynamic.miass.multinex.ru
31.40.126.83	PTR	u83-r14.dynamic.miass.multinex.ru
31.40.127.57	PTR	u57-r15.dynamic.miass.multinex.ru
31.40.127.220	PTR	u220-r15.dynamic.miass.multinex.ru
31.40.127.246	A	alakorn.ru
31.40.127.249	PTR	u249-r15.dynamic.miass.multinex.ru
31.40.127.255	PTR	u255-r15.dynamic.miass.multinex.ru