Robtex

Up: 195.49.168.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 195.49.168.0/25
Down right: 195.49.168.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
195.49.168.1	PTR	core-844-1.avantel.ru
195.49.168.1	A	gate.avantel.ru
195.49.168.2	A+PTR	mx.avantel.ru
195.49.168.2	A+PTR	ns.avantel.ru
195.49.168.3	A+PTR	mx1.avantel.ru
195.49.168.5	A+PTR	bil.avantel.ru
195.49.168.7	A+PTR	billing.avantel.ru
195.49.168.9	A+PTR	carber.avantel.ru
195.49.168.10	A+PTR	mail.avantel.ru
195.49.168.10	A+PTR	nsk-office.avantel.ru
195.49.168.10	A	wi-fi-14.avantel.ru
195.49.168.11	A+PTR	skydns.avantel.ru
195.49.168.13	PTR	gaia.avantel.ru
195.49.168.13	A	www.teplodveri54.ru
195.49.168.13	A	zebra-nsk.ru
195.49.168.14	A	monitor.avantel.ru
195.49.168.14	A	tacacs.avantel.ru
195.49.168.16	A	ms.avantel.ru
195.49.168.18	A	speedtest.avantel.ru
195.49.168.23	PTR	cat4.avantel.ru
195.49.168.24	PTR	cat5.avantel.ru
195.49.168.24	A	sibvelz.ru
195.49.168.24	A	nskproekt.ru
195.49.168.26	PTR	gaia-reserve.avantel.ru
195.49.168.26	A	ns.xn--c1ath.xn--p1ai
195.49.168.26	A	ns.gbtools.ru
195.49.168.29	PTR	gaia.avantel.ru
195.49.168.94	PTR	syseng.ru
195.49.168.112	PTR	host-195-49-168-112.avantel.ru
195.49.168.130	PTR	ns.m-f.ru
195.49.168.133	PTR	sb-gw.avantel.ru
195.49.168.137	A	gate-zero.avantel.ru
195.49.168.138	A	gate-secundus.avantel.ru
195.49.168.150	PTR	zex.sibinco.ru
195.49.168.150	A	zex.sibinco.com
195.49.168.150	A	zex.aurorisoft.com
195.49.168.174	PTR	sky.avantel.ru
195.49.168.182	PTR	host-195-49-168-182.avantel.ru
195.49.168.210	A+PTR	gaia-alt.avantel.ru
195.49.168.234	PTR	mail.garant-novosib.ru