Robtex

Up: 59.66.0.0/16
Can't show all results, try to descend to a more specific CIDR
Down left: 59.66.0.0/18
Down right: 59.66.64.0/18
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
59.66.2.170	A	th002170.ip.tsinghua.edu.cn
59.66.2.188	A	th002188.ip.tsinghua.edu.cn
59.66.3.24	A	smtps23.tsinghua.edu.cn
59.66.3.25	A	smtps23.tsinghua.edu.cn
59.66.3.26	A	smtps23.tsinghua.edu.cn
59.66.3.27	A	smtps23.tsinghua.edu.cn
59.66.3.28	A	smtps23.tsinghua.edu.cn
59.66.3.29	A	smtps23.tsinghua.edu.cn
59.66.3.30	A	smtps23.tsinghua.edu.cn
59.66.3.31	A	smtps23.tsinghua.edu.cn
59.66.3.93	A	th003093.ip.tsinghua.edu.cn
59.66.3.204	A	th003204.ip.tsinghua.edu.cn
59.66.9.82	A	th009082.ip.tsinghua.edu.cn
59.66.16.14	A	ns.sip6.edu.cn
59.66.16.14	A	th016014.ip.tsinghua.edu.cn
59.66.16.14	A	ns.ngmylife.edu.cn
59.66.17.2	A+PTR	th017002.ip.tsinghua.edu.cn
59.66.20.190	A	th020190.ip.tsinghua.edu.cn
59.66.24.67	A	th024067.ip.tsinghua.edu.cn
59.66.25.35	A	location.sip6.edu.cn
59.66.29.94	A	th029094.ip.tsinghua.edu.cn
59.66.30.10	A	ngmylife.edu.cn
59.66.33.48	A	th033048.ip.tsinghua.edu.cn
59.66.37.215	A	th037215.ip.tsinghua.edu.cn
59.66.42.17	A	th042017.ip.tsinghua.edu.cn
59.66.42.108	A	somefunserver.com
59.66.43.65	A	th043065.ip.tsinghua.edu.cn
59.66.44.124	A	th044124.ip.tsinghua.edu.cn
59.66.44.124	A	minterdata.com
59.66.44.130	A+PTR	th044130.ip.tsinghua.edu.cn
59.66.45.30	A	th045030.ip.tsinghua.edu.cn
59.66.46.12	A	th046012.ip.tsinghua.edu.cn
59.66.48.46	A	th048046.ip.tsinghua.edu.cn
59.66.53.227	A	sunjiangtao.com
59.66.57.49	A	th057049.ip.tsinghua.edu.cn
59.66.60.54	A	th060054.ip.tsinghua.edu.cn
59.66.60.180	A	th060180.ip.tsinghua.edu.cn
59.66.62.152	A	th062152.ip.tsinghua.edu.cn
59.66.64.128	PTR	th064128.ip.tsinghua.edu.cn
59.66.76.188	A	th076188.ip.tsinghua.edu.cn
59.66.81.251	A	thumb1916.org
59.66.95.157	A	huuh1.com
59.66.96.19	A	th096019.ip.tsinghua.edu.cn
59.66.96.27	A	bdqh.org
59.66.96.27	A	qhbd.org
59.66.97.201	A	th097201.ip.tsinghua.edu.cn
59.66.98.84	A	th098084.ip.tsinghua.edu.cn
59.66.98.125	A	th098125.ip.tsinghua.edu.cn
59.66.99.90	A	th099090.ip.tsinghua.edu.cn
59.66.102.185	A	th102185.ip.tsinghua.edu.cn
59.66.102.221	A	th102221.ip.tsinghua.edu.cn
59.66.109.164	A	th109164.ip.tsinghua.edu.cn
59.66.112.33	A	dte21.online
59.66.114.236	A	th114236.ip.tsinghua.edu.cn
59.66.120.153	A	th120153.ip.tsinghua.edu.cn
59.66.122.100	A	cubie.f3322.net
59.66.124.184	A	th124184.ip.tsinghua.edu.cn
59.66.124.225	A	changhua.tk