Robtex

Up: 109.71.176.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 109.71.176.0/22
Down right: 109.71.180.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
109.71.176.0	PTR	ae0-1-mx240.smarthome.spb.ru
109.71.176.13	A	13-simion-lab.smartspb.net
109.71.177.0	A+PTR	0.177.smarthome.spb.ru
109.71.177.65	A+PTR	65.177.smarthome.spb.ru
109.71.177.123	A+PTR	123.177.smarthome.spb.ru
109.71.177.131	A+PTR	131.177.smarthome.spb.ru
109.71.177.155	PTR	155.177.smarthome.spb.ru
109.71.177.196	A	196.177.smarthome.spb.ru
109.71.177.251	PTR	251.177.smarthome.spb.ru
109.71.177.255	A	255.177.smarthome.spb.ru
109.71.178.50	PTR	unused.cust.smartsbp.net
109.71.178.50	A	mail.akgroup.ru
109.71.178.82	PTR	rubej-2.cust.smartspb.net
109.71.178.140	A	ns.catnrat.com
109.71.178.140	A	mx.als.ru
109.71.178.140	A	als.ru
109.71.178.178	A+PTR	mail.baltica-trans.ru
109.71.178.178	A	mx1.iqube.biz
109.71.178.178	A	mail.btlog.ru
109.71.178.221	A	cba-postfix1-jet.jetport.ru
109.71.178.221	A	rosinvest-3.cust.smartspb.net
109.71.178.251	A+PTR	mailcl.minimax-russia.ru
109.71.178.253	A	minimax-russia.ru
109.71.178.253	A	mail.minimax-russia.ru
109.71.179.98	PTR	electrikhostel.cust.smartspb.net
109.71.179.128	A+PTR	br-lengipro-n.cust.smartspb.net
109.71.179.130	PTR	br-lengipro-0.cust.smartspb.net
109.71.179.130	A	mail.lgt.ru
109.71.179.154	PTR	br-faeton-ferm-0.cust.smartspb.net
109.71.179.154	A	smart.phaetonhc.com
109.71.179.155	PTR	br-faeton-ferm-1.cust.smartspb.net
109.71.179.155	A	pop.sztc.ru
109.71.179.155	A	smart.sztc.ru
109.71.179.238	A	mx.psk-svyatogor.ru
109.71.179.242	PTR	elixa.cust.smartspb.net
109.71.180.6	A	artekey-lk.ru
109.71.180.16	PTR	borus-n.cust.smartspb.net
109.71.180.16	A	owa.hosser.org
109.71.180.16	A	hosser.org
109.71.180.26	PTR	mail2.cust.smartspb.net
109.71.180.26	A	mail2.pechatnya.ru
109.71.180.38	A	museums-children.ru
109.71.180.38	A	www.museums-children.ru
109.71.180.38	A	oberon.pro
109.71.180.58	PTR	yurbyuro.cust.smartspb.net
109.71.180.58	A	mx.btdcom.ru
109.71.180.59	PTR	yurbyuro-b.cust.smartspb.net
109.71.180.59	A	mail.bgmail.ru
109.71.180.66	A+PTR	ecv-media.cust.smartspb.net
109.71.180.98	A+PTR	filarmonyadm.cust.smartspb.net
109.71.180.98	A	smtc.philharmonia.spb.ru
109.71.180.98	A	old.philharmonia.spb.ru
109.71.180.102	A	filarmonyrest.cust.smartspb.net
109.71.180.234	A	vrgate-sm.velikoross.spb.ru
109.71.181.82	A	stromontupr.cust.smartspb.net
109.71.181.90	A	yc-lahta.ru
109.71.181.90	A	port-hercules.com
109.71.181.90	A	port-hercules.ru
109.71.181.91	A	mail.port-hercules.ru
109.71.181.136	A+PTR	rega13-n.cust.smartspb.net
109.71.181.138	A+PTR	rega13.cust.smartspb.net
109.71.181.138	A	it.mixfood.ru
109.71.181.170	PTR	reserv-pt-lt-37.cust.smartspb.net
109.71.181.170	A	sindykat.cust.smartspb.net
109.71.181.204	A	ns2.xn--80aubok.xn--p1ai
109.71.181.214	A	uralsib-neva.cust.smartspb.net
109.71.181.214	A	mx.uralsib-neva.ru
109.71.181.214	A	mx2.uralsib.net
109.71.181.234	PTR	alfalogistic2.cust.smartspb.net
109.71.181.245	A	www.sd-centre.ru
109.71.182.4	A	dorkino.cust.smartspb.net
109.71.182.108	A	www.bitinform.com
109.71.182.114	PTR	tkbaltica.cust.smartspb.net
109.71.182.114	A	tdbalt.com
109.71.182.114	A	mail.tdbalt.com
109.71.182.130	A+PTR	chemicaltech.cust.smartspb.net
109.71.182.130	A	mail.chemitech.ru
109.71.182.147	A	etp-rc.ru
109.71.182.160	A+PTR	interautoprim-n.cust.smartspb.net
109.71.182.186	A+PTR	mail.nevaostankino.ru
109.71.183.6	A	indielife.ru
109.71.183.50	PTR	oooomega.cust.smartspb.net
109.71.183.70	A	altnauka.cust.smartspb.net
109.71.183.74	PTR	severevm.cust.smartspb.net
109.71.183.74	A	mail.niipa-sek.ru
109.71.183.74	A	niipa-sek.ru
109.71.183.86	A	mail.necc.su
109.71.183.86	A	mail.deepzone.ru
109.71.183.106	PTR	sanovo.cust.smartspb.net
109.71.183.122	A+PTR	minmarket25.cust.smartspb.net
109.71.183.170	A+PTR	mail.germesk.ru
109.71.183.178	PTR	energostroy51.cust.smartspb.net
109.71.183.192	A	imperiafarma-n.cust.smartspb.net
109.71.183.193	A	imperiafarma-i.cust.smartspb.net
109.71.183.198	A	imperiafarma-b.cust.smartspb.net
109.71.183.226	A	mail.continentalplast.ru
109.71.183.234	A	selanikar.cust.smartspb.net