Robtex

Up: 195.49.168.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 195.49.168.0/23
Down right: 195.49.170.0/23
(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	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
195.49.168.16	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
195.49.169.4	A+PTR	ns2.avantel.ru
195.49.169.4	A	ns2.mirograd.ru
195.49.169.26	PTR	edet.ru
195.49.169.26	PTR	honda-san.ru
195.49.169.26	PTR	hondasan.ru
195.49.169.35	PTR	mx3.agrores.ru
195.49.169.36	PTR	mx.agrores.ru
195.49.169.38	A+PTR	mx1.agrores.ru
195.49.169.114	A	ruscan.avantel.ru
195.49.169.135	PTR	host-195-49-169-135.avantel.ru
195.49.169.139	PTR	host-195-49-169-139.avantel.ru
195.49.169.139	A	ns1.noxp.ru
195.49.169.146	A	red.softkompas.ru
195.49.169.174	PTR	tamkon.ru
195.49.169.242	PTR	mail.edostavka.ru
195.49.170.2	A+PTR	mail.gemini-k.com
195.49.170.26	PTR	host-195-49-170-26.avantel.ru
195.49.170.26	A	dev.iteco.cc
195.49.170.30	PTR	passim.ru
195.49.170.30	A	mail.xn--80ad9acbjcqpa.xn--p1ai
195.49.170.30	A	mail.1krupa.ru
195.49.170.62	A+PTR	mx1.promis-n.ru
195.49.170.62	A	promis-n.ru
195.49.170.62	A	domino.promis-n.ru
195.49.170.109	PTR	host-195-49-170-109.avantel.ru
195.49.170.172	PTR	host-195-49-170-172.avantel.ru
195.49.170.232	PTR	host-195-49-170-232.avantel.ru
195.49.170.234	PTR	host-195-49-170-234.avantel.ru
195.49.170.234	A	mail.parfumnov.ru
195.49.171.2	A+PTR	mx.ecovitagroup.com
195.49.171.2	A	ns.pilotnsk.ru
195.49.171.2	A	mail.ecovitagroup.com
195.49.171.3	PTR	mx.greenwaystart.com
195.49.171.3	A	www.igentest.ru
195.49.171.4	PTR	host-195-49-171-4.avantel.ru
195.49.171.4	A	greenway.su
195.49.171.81	PTR	host-195-49-171-81.avantel.ru
195.49.171.88	PTR	mail.t-d.nsk.su
195.49.171.88	PTR	mail.trade-design.nsk.su
195.49.171.89	PTR	host-195-49-171-89.avantel.ru
195.49.171.102	PTR	mediasoft.ru
195.49.171.118	PTR	mail.viavai.ru
195.49.171.118	PTR	mail.viavai.su
195.49.171.162	PTR	karta.su
195.49.171.174	PTR	host-195-49-171-174.avantel.ru
195.49.171.177	A+PTR	notify.avantel.ru
195.49.171.177	A	billing-web.avantel.ru
195.49.171.238	A+PTR	mail.reklama-online.ru
195.49.171.238	A	mail.job-region.ru
195.49.171.238	A	mail.reklama50.ru
195.49.171.255	PTR	host-195-49-171-255.avantel.ru