Robtex

Up: 46.229.128.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 46.229.136.0/22
Down right: 46.229.140.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
46.229.136.47	PTR	mail.agrogard.com
46.229.136.47	A	mail03.agrogard.com
46.229.136.47	A	agrogard.com
46.229.136.49	A+PTR	mail.agrogard.com
46.229.136.49	PTR	srv5700mx01.agrogard.com
46.229.136.49	A	agrogard.com
46.229.136.79	A+PTR	mail.kazna.nnov.ru
46.229.136.79	A	kazna.nnov.ru
46.229.136.79	A	d.ns.nnru.biz
46.229.136.103	A+PTR	mail3.senal.nnov.ru
46.229.136.114	A	mailserver1.zavod-npt.ru
46.229.136.133	A	omsklg.ru
46.229.136.148	A+PTR	xn--d1ahdcnljias.org
46.229.136.148	A+PTR	xn--d1ahdcnljias.xn--p1ai
46.229.136.148	A+PTR	mail.rdholding.ru
46.229.136.149	A+PTR	xn--d1ahdcnljias.org
46.229.136.149	PTR	xn--d1ahdcnljias.xn--p1ai
46.229.136.149	PTR	mail2.rdholding.ru
46.229.136.150	A	ns.kurskzerno.ru
46.229.136.150	A	kurskzerno.ru
46.229.136.152	A	ns.kurskzerno.ru
46.229.136.152	A	kurskzerno.ru
46.229.136.227	A+PTR	nida.urtg.net
46.229.136.227	A	smtp.azovsip.net
46.229.136.227	A	mail.azovsip.net
46.229.137.34	A	ns.livny-tv.ru
46.229.137.34	A	atlantis.livny-tv.ru
46.229.137.34	A	livny-tv.ru
46.229.137.37	A	ns2.livny-tv.ru
46.229.137.130	PTR	mail.vniief.ru
46.229.137.136	PTR	sir.vniief.ru
46.229.138.36	A	mail.sayany.biz
46.229.138.41	A	mx0.skopinpharm.com
46.229.138.82	A	rosp.nnov.ru
46.229.138.100	PTR	aerosoll.ru
46.229.138.100	A	mx1.aerosoll.ru
46.229.139.36	A+PTR	mx1.inforum-prom.ru
46.229.139.77	PTR	mx.bfvector.ru
46.229.139.226	PTR	mail.int-1.ru
46.229.139.226	A	intechrf.ru
46.229.139.226	A	ns2.intechrf.ru
46.229.139.227	A	int-1.ru
46.229.140.15	A+PTR	utm-central.burevestnik.com
46.229.140.80	A	www.npp-polyot.ru
46.229.140.80	A	npp-polyot.ru
46.229.140.95	A+PTR	xmail.technodom.com
46.229.140.95	A	ns2.technodom.com
46.229.140.95	A	ns2.absolut57.com
46.229.141.89	A+PTR	int.zsno.ru
46.229.141.90	A	mail.itl.nnov.ru
46.229.142.101	A	mx2.kalugastat.ru
46.229.143.3	A+PTR	mail.promis.ru
46.229.143.3	A	mail.original-maket.pro
46.229.143.56	A	mx2.granat-gold.ru
46.229.143.56	A	ns.f1f1.ru
46.229.143.56	A	mail.trapezav.ru
46.229.143.85	PTR	gw.kaluga-pf.prodo.ru
46.229.143.102	A	goldencustom.com
46.229.143.102	A	ns1.goldencustom.com
46.229.143.154	PTR	mail.vw-nn.ru
46.229.143.155	PTR	mail.zlata-nn.ru
46.229.143.155	A	mail2.zlata-nn.ru
46.229.143.155	A	mail.vwexpress.ru
46.229.143.237	A	pzku.ru