Robtex

Up: 210.77.16.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 210.77.24.0/22
Down right: 210.77.28.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
210.77.28.12	A	mscas.ac.cn
210.77.28.26	A+PTR	phys.gucas.ac.cn
210.77.29.129	A	oss.gucas.ac.cn
210.77.29.129	A	oss.ucas.ac.cn
210.77.29.144	A+PTR	dao.gucas.ac.cn
210.77.29.144	A+PTR	dao.ucas.ac.cn
210.77.29.147	A+PTR	wsi.gucas.ac.cn
210.77.29.147	PTR	wsi.ucas.ac.cn
210.77.30.4	A	ea.gucas.ac.cn
210.77.30.4	A	icaha.gucas.ac.cn
210.77.30.4	A	wsn.gucas.ac.cn
210.77.30.20	PTR	wwwtest.gucas.ac.cn
210.77.30.20	PTR	wwwtest.ucas.ac.cn
210.77.30.20	A	www.mscas.ac.cn
210.77.30.26	PTR	cblwiki.gucas.cn
210.77.30.26	PTR	cecwiki.gucas.cn
210.77.30.26	PTR	crewiki.gucas.cn
210.77.30.28	A	www.cbl-science.cn
210.77.30.65	PTR	science100.ucas.edu.cn
210.77.30.65	A	archaeometry.gucas.ac.cn
210.77.30.65	A	science100.gucas.ac.cn
210.77.30.81	A	inc.gucas.ac.cn
210.77.30.81	A	inc.ucas.ac.cn
210.77.30.83	PTR	test.caseducation.ac.cn
210.77.30.83	PTR	admission.gucas.ac.cn
210.77.30.83	PTR	px.gucas.ac.cn
210.77.30.250	A+PTR	trp.gucas.ac.cn