Robtex

Up: 217.21.42.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 217.21.43.0/25
Down right: 217.21.43.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
217.21.43.1	A	border.bsu.by
217.21.43.2	PTR	bsu.by
217.21.43.2	PTR	adm.bsu.by
217.21.43.2	PTR	bsu-dns-1.bsu.by
217.21.43.3	PTR	ipv6.bsu.by
217.21.43.3	PTR	second.bsu.by
217.21.43.3	PTR	test.bsu.by
217.21.43.4	A+PTR	ywall.bsu.by
217.21.43.7	PTR	smtp.bsu.by
217.21.43.7	A+PTR	webmail.bsu.by
217.21.43.9	A	webdata.bsu.by
217.21.43.9	A	webconf.bsu.by
217.21.43.9	A	physics.bsu.by
217.21.43.10	A+PTR	student.bsu.by
217.21.43.10	PTR	www.abit.bsu.by
217.21.43.10	A+PTR	www.student.bsu.by
217.21.43.11	A	novopolotsk.belayarus.by
217.21.43.11	A	ext11.bsu.by
217.21.43.12	A	library.bsu.by
217.21.43.13	A	www.law.bsu.by
217.21.43.14	A	dc8.bsu.by
217.21.43.14	A	hist.bsu.by
217.21.43.15	A	iptv.bsu.by
217.21.43.18	A	euniversity.bsu.by
217.21.43.20	A	cas2.fpmi.bsu.by
217.21.43.20	A	www.cas.fpmi.bsu.by
217.21.43.20	A	cas.fpmi.bsu.by
217.21.43.21	A	acm-test.bsu.by
217.21.43.21	A	www.acm-test.bsu.by
217.21.43.22	A	dc3.bsu.by
217.21.43.22	A	aaa.bsu.by
217.21.43.22	A	www.niipfp.bsu.by
217.21.43.23	A	brsm.bsu.by
217.21.43.23	A	www.fhp.bsu.by
217.21.43.23	A	www.brsm.bsu.by
217.21.43.24	A	www.sws.bsu.by
217.21.43.24	A	www.nirs.bsu.by
217.21.43.24	A	aec.bsu.by
217.21.43.27	A	economy.bsu.by
217.21.43.27	A	cspr.bsu.by
217.21.43.27	A	www.cspr.bsu.by
217.21.43.28	A	www.elib.bsu.by
217.21.43.28	A	elib.bsu.by
217.21.43.29	A	library.bsu.by
217.21.43.29	A	www.library.bsu.by
217.21.43.30	A	webconf.bsu.by
217.21.43.30	A	www.conference.bsu.by
217.21.43.30	A	conference.bsu.by
217.21.43.35	A	www.bsu.by
217.21.43.35	A	bsu.by
217.21.43.42	PTR	grid-ce.bsu.by
217.21.43.43	A+PTR	grid-wn.bsu.by
217.21.43.45	A+PTR	cloud-repo.bsu.by
217.21.43.46	PTR	skif-ui.bsu.by
217.21.43.56	A	inp.bsu.by
217.21.43.56	A	webhost3.bsu.by
217.21.43.82	A	test.bsu.by
217.21.43.220	A+PTR	utv.bsu.by
217.21.43.220	A+PTR	www.utv.bsu.by
217.21.43.221	PTR	test.bsu.by
217.21.43.222	A	proxy.bsu.by
217.21.43.223	PTR	webmail.bsu.by
217.21.43.224	A+PTR	xwall.bsu.by
217.21.43.224	A	mail.inp.minsk.by
217.21.43.224	A	mail.inp.bsu.by
217.21.43.228	PTR	journ.bsu.by
217.21.43.228	PTR	www.journ.bsu.by
217.21.43.229	PTR	www.law.bsu.by
217.21.43.230	PTR	hostel6.bsu.by
217.21.43.231	A+PTR	sudevrazes.bsu.by
217.21.43.231	PTR	webperspective4.bsu.by
217.21.43.232	PTR	ct.bsu.by
217.21.43.234	PTR	hist.bsu.by
217.21.43.234	PTR	profkom.bsu.by
217.21.43.234	PTR	www.hist.bsu.by
217.21.43.237	PTR	acm-test.bsu.by
217.21.43.237	PTR	www.acm-test.bsu.by
217.21.43.238	PTR	rfegrid.bsu.by
217.21.43.239	PTR	www.philology.bsu.by
217.21.43.239	A	www.folkndl.bsu.by
217.21.43.247	PTR	elib.bsu.by
217.21.43.247	PTR	www.elib.bsu.by
217.21.43.251	A+PTR	inp.minsk.by
217.21.43.251	A+PTR	www.inp.minsk.by