Robtex

Up: 185.73.16.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 185.73.16.0/22
Down right: 185.73.20.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
185.73.16.1	A+PTR	ns1.drugoytel.ru
185.73.16.2	A+PTR	ns3.drugoytel.ru
185.73.16.77	A+PTR	ns2.drugoytel.ru
185.73.17.19	A+PTR	vstream.drugoytel.ru
185.73.17.21	A+PTR	server100.hosting.drugoytel.ru
185.73.17.21	A	www.polikl3.ru
185.73.17.132	A+PTR	srv.spice.ru
185.73.17.132	A	mx.spice.ru
185.73.17.133	PTR	mail.avtofan.ru
185.73.17.133	A	mail.hyundai-avtofan.ru
185.73.17.133	A	mx.avtofan.ru
185.73.17.146	A	zvalley.ru
185.73.17.146	A	www.zvalley.ru
185.73.17.179	A	bord.avto-63.ru
185.73.17.179	A	avto-63.ru
185.73.18.18	PTR	ns1.drugoytel.ru
185.73.18.18	A	ns1.drugoytele.com
185.73.18.53	A+PTR	speedtest.drugoytel.ru
185.73.18.53	A	test1-link-server.drugoytel.ru
185.73.18.55	A	www.pol1-tlt.ru
185.73.18.55	A	www.drugoytele.com
185.73.18.88	PTR	ns2.drugoytel.ru
185.73.18.88	A	ns2.drugoytele.com
185.73.20.132	PTR	due-20-132.serverhosting.uaruhr.de
185.73.20.132	A	kowi.uni-duisburg-essen.de
185.73.20.144	A+PTR	due-20-144.serverhosting.uaruhr.de
185.73.20.144	A	www.fachschaft-mathe.de
185.73.20.144	A	mx.fachschaft-mathe.de
185.73.20.157	A+PTR	due-20-157.serverhosting.uaruhr.de
185.73.20.157	A	ns3.uni-duisburg-essen.de
185.73.20.158	A+PTR	due-20-158.serverhosting.uaruhr.de
185.73.20.158	A	flrnmllr.com
185.73.20.162	A+PTR	due-20-162.serverhosting.uaruhr.de
185.73.20.162	A	nanoboard.iw.uni-due.de