Robtex

Up: 217.23.136.0/23
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Down left: 217.23.136.0/25
Down right: 217.23.136.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
217.23.136.36	PTR	mx1.travel-technology.biz
217.23.136.36	PTR	mx1.itlux.ru
217.23.136.36	PTR	mx1.tm-consulting.ru
217.23.136.40	A	meteofon.com
217.23.136.41	PTR	node-217-23-136-41.caravan.ru
217.23.136.41	A	im2m.ru
217.23.136.44	A	myaist.ru
217.23.136.45	PTR	node-217-23-136-45.caravan.ru
217.23.136.50	PTR	mail.ard-center.ru
217.23.136.50	A	mail.ria-ard.ru
217.23.136.83	A+PTR	alligator-msk.ru
217.23.136.83	A+PTR	mx.alligator.ru
217.23.136.83	A	mail.alligator.ru
217.23.136.86	PTR	node-217-23-136-86.caravan.ru
217.23.136.86	A	www.alligator.ru
217.23.136.165	PTR	kemeke.ru
217.23.136.166	PTR	node-217-23-136-166.caravan.ru
217.23.136.167	PTR	mail.ru.trueconf.net
217.23.136.167	A	xn--b1aedaaoen1acgb2a8c8a9k.com
217.23.136.169	PTR	ns.unitsolutions.ru
217.23.136.170	PTR	node-217-23-136-170.caravan.ru
217.23.136.170	A	mailb.trueconf.com
217.23.136.196	PTR	node-217-23-136-196.caravan.ru
217.23.136.196	A	second-print.ru
217.23.136.197	PTR	node-217-23-136-197.caravan.ru
217.23.136.197	A	www.second-print.ru
217.23.136.197	A	www.print-forum.ru
217.23.136.205	PTR	node-217-23-136-205.caravan.ru
217.23.136.212	PTR	mx.mobipark.ru
217.23.136.212	A	telecomideas.com
217.23.136.212	A	telecomidea.ru
217.23.136.213	PTR	node-217-23-136-213.caravan.ru
217.23.136.213	A	olympicuniversity.ru
217.23.136.222	PTR	node-217-23-136-222.caravan.ru
217.23.136.228	A+PTR	car04.itmatrix.ru
217.23.136.228	A	luxury-best.ru
217.23.136.228	A	best-gorod.ru
217.23.136.245	PTR	a-kvadrat.caravan.ru
217.23.136.245	A	www.0-12.ru
217.23.136.245	A	0-12.ru
217.23.136.252	PTR	m1.max-gr.ru
217.23.136.252	A	mail.ecoline-zd.ru
217.23.136.252	A	mail.bettaperm.ru