Robtex

Up: 91.203.168.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 91.203.168.0/23
Down right: 91.203.170.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
91.203.168.1	A+PTR	dns1.sbor.net
91.203.168.1	A	kanga.sbor.net
91.203.168.1	A	ns.sbor.spb.su
91.203.168.3	A+PTR	piglet.sbor.net
91.203.168.4	A	robin.sbor.net
91.203.168.7	A+PTR	ns.sbor.net
91.203.168.10	PTR	hosting2.sbor.net
91.203.168.10	A	mail.tb-design.ru
91.203.168.10	A	mail.cpe-project.ru
91.203.168.17	A+PTR	winnie.sbor.net
91.203.168.17	A	sbor.net
91.203.168.17	A	www.sbor.net
91.203.168.18	PTR	exchange.sbor.net
91.203.168.18	A	wizard-s.ru
91.203.168.22	A+PTR	mx1.sbor.net
91.203.168.25	A	all-sbor.net
91.203.168.25	A	www.all-sbor.net
91.203.168.25	A	188540.ru
91.203.168.133	A	91-203-168-133.nat.sbor.net
91.203.168.152	A	91-203-168-152.nat.sbor.net
91.203.168.201	A	91-203-168-201.nat.sbor.net
91.203.168.205	A	91-203-168-205.nat.sbor.net
91.203.168.221	A	91-203-168-221.nat.sbor.net
91.203.168.225	A+PTR	91-203-168-225.nat.sbor.net
91.203.168.226	PTR	91-203-168-226.nat.sbor.net
91.203.168.255	A+PTR	91-203-168-255.nat.sbor.net
91.203.169.2	A	energsun-gw.sbor.net
91.203.169.5	A	mail.energsun.ru
91.203.169.10	A+PTR	off-gw.sbor.net
91.203.169.14	A+PTR	server.edu.sbor.net
91.203.169.14	A	gios-gw.sbor.net
91.203.169.14	A	ds1.edu.sbor.net
91.203.169.26	A+PTR	rosopt-gw.sbor.net
91.203.169.74	A+PTR	tavr-gw.sbor.net
91.203.169.126	A+PTR	niti-gw.sbor.net
91.203.169.126	A	relay.niti.ru
91.203.169.130	PTR	mail.raoproekt.ru
91.203.169.130	A	raoproekt.ll.sbor.net
91.203.169.134	A	titan-134.sbor.net
91.203.169.146	PTR	mail.atee.ru
91.203.169.150	A+PTR	bylkan-gw.sbor.net
91.203.169.158	A+PTR	niiki-gw.sbor.net
91.203.169.162	PTR	relay2.laes.ru
91.203.169.163	A+PTR	laes-163.sbor.net
91.203.169.186	A+PTR	laes-gw.sbor.net
91.203.169.190	PTR	zaotitan2-gw.sbor.net
91.203.169.202	A+PTR	tcmart-gw.sbor.net
91.203.169.206	A+PTR	meria.sbor.ru
91.203.169.206	A	meria-gw.sbor.net
91.203.169.226	A+PTR	bentam-gw.sbor.net
91.203.169.246	A+PTR	sus-gw.sbor.net
91.203.169.246	A	mx1.oao-sus.ru
91.203.169.246	A	mail.oao-sus.ru
91.203.169.250	A	sus-250.sbor.net
91.203.170.3	A+PTR	mx2.sbor.net
91.203.170.7	A+PTR	ns1.sbor.net
91.203.170.10	A	www.mayak.sbor.net
91.203.170.10	A	mail.sbor.ru
91.203.170.10	A	mayak.sbor.net
91.203.170.11	A+PTR	relay1.sbor.net
91.203.170.15	A+PTR	dns2.sbor.net
91.203.170.41	PTR	91-203-170-41.broadband.sbor.net
91.203.170.136	PTR	91-203-170-136.broadband.sbor.net
91.203.170.137	PTR	91-203-170-137.broadband.sbor.net
91.203.170.142	PTR	91-203-170-142.broadband.sbor.net
91.203.170.159	PTR	91-203-170-159.broadband.sbor.net
91.203.170.160	A	91-203-170-160.nat.sbor.net
91.203.170.162	PTR	91-203-170-162.broadband.sbor.net
91.203.170.174	A+PTR	91-203-170-174.nat.sbor.net
91.203.170.177	PTR	91-203-170-177.broadband.sbor.net
91.203.170.191	PTR	91-203-170-191.broadband.sbor.net
91.203.170.195	A+PTR	91-203-170-195.nat.sbor.net
91.203.170.196	A	91-203-170-196.nat.sbor.net
91.203.170.206	A+PTR	91-203-170-206.nat.sbor.net
91.203.170.207	A	91-203-170-207.nat.sbor.net
91.203.170.212	A+PTR	91-203-170-212.nat.sbor.net
91.203.170.216	A	91-203-170-216.nat.sbor.net
91.203.170.220	A	91-203-170-220.nat.sbor.net
91.203.170.224	A	91-203-170-224.nat.sbor.net
91.203.170.226	A+PTR	91-203-170-226.nat.sbor.net
91.203.170.227	A+PTR	91-203-170-227.nat.sbor.net
91.203.170.234	PTR	91-203-170-234.nat.sbor.net
91.203.170.239	A+PTR	91-203-170-239.nat.sbor.net
91.203.170.242	A+PTR	91-203-170-242.nat.sbor.net
91.203.170.245	A+PTR	91-203-170-245.nat.sbor.net
91.203.170.250	A+PTR	91-203-170-250.nat.sbor.net
91.203.170.251	PTR	91-203-170-251.nat.sbor.net
91.203.170.254	PTR	91-203-170-254.nat.sbor.net
91.203.171.2	A+PTR	nhk-gw.sbor.net
91.203.171.4	A	nhk-4.sbor.net
91.203.171.5	A	nhk-5.sbor.net
91.203.171.7	A	nhk-7.sbor.net
91.203.171.18	A+PTR	polk2-gw.sbor.net
91.203.171.34	A	erc-34.sbor.net
91.203.171.35	A+PTR	erc-35.sbor.net
91.203.171.36	A+PTR	erc-36.sbor.net
91.203.171.37	A	erc-37.sbor.net
91.203.171.50	A	mail.ecomet-s.ru
91.203.171.66	A	xn--90arnic4e.xn--p1ai
91.203.171.66	A	tsbor.ru
91.203.171.66	A	73237.ru
91.203.171.198	A+PTR	solitonplus.com
91.203.171.198	A+PTR	solitonplus.ru
91.203.171.218	A+PTR	mx.esaul.su