Robtex

Up: 153.106.0.0/15
Can't show all results, try to descend to a more specific CIDR
Down left: 153.106.0.0/17
Down right: 153.106.128.0/17
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
153.106.4.1	A+PTR	ursa.calvin.edu
153.106.4.1	A	calvincollege.com
153.106.4.1	A	dns.calvin.edu
153.106.4.2	PTR	utoo.calvin.edu
153.106.4.10	PTR	urn.calvin.edu
153.106.5.72	A	calvincrc.calvin.edu
153.106.5.74	A	acmsonline.calvin.edu
153.106.5.163	A	docfife.net
153.106.5.163	A	mcfife.calvin.edu
153.106.6.8	A	asa.calvin.edu
153.106.6.9	A	princecc.com
153.106.6.9	A	princecc.calvin.edu
153.106.6.10	A	www.calvincollegepress.com
153.106.6.10	A	calvincollegepress.com
153.106.6.84	A	vanlunencenter.org
153.106.6.86	A	christianmissionaryscholarship.net
153.106.8.8	A	upc.calvin.edu
153.106.12.1	A+PTR	michmaa.calvin.edu
153.106.12.1	A	www.michmaa.org
153.106.49.16	A	edwards.calvin.edu
153.106.50.65	A	dhcp50-65.calvin.edu
153.106.52.38	A	dhcp52-38.calvin.edu
153.106.52.220	A	dhcp52-220.calvin.edu
153.106.56.60	A	dhcp56-60.calvin.edu
153.106.58.76	A	dhcp58-76.calvin.edu
153.106.60.70	A	dhcp60-70.calvin.edu
153.106.61.42	A	dhcp61-42.calvin.edu
153.106.77.123	A	resnet77-123.calvin.edu
153.106.81.122	A	dhcp81-122.calvin.edu
153.106.82.199	A	dhcp82-199.calvin.edu
153.106.86.63	A	dhcp86-63.calvin.edu
153.106.88.63	A	dhcp88-63.calvin.edu
153.106.90.45	A	dhcp90-45.calvin.edu
153.106.91.47	A	dhcp91-47.calvin.edu
153.106.91.187	A	dhcp91-187.calvin.edu
153.106.93.47	A	dhcp93-47.calvin.edu
153.106.93.84	A	dhcp93-84.calvin.edu
153.106.93.238	A	dhcp93-238.calvin.edu
153.106.94.40	A	dhcp94-40.calvin.edu
153.106.100.136	A	dhcp100-136.calvin.edu
153.106.112.231	A	dhcp112-231.calvin.edu
153.106.116.2	A+PTR	katz.calvin.edu
153.106.116.6	A+PTR	cs.calvin.edu
153.106.116.15	A	cs-ssh.calvin.edu
153.106.116.19	A	cs.calvin.edu
153.106.116.100	A	alice.calvin.edu
153.106.118.92	A	dhcp118-92.calvin.edu
153.106.120.14	PTR	prbb.calvin.edu
153.106.120.146	A	docsendcs.calvin.edu
153.106.124.5	A+PTR	netmonitor.calvin.edu
153.106.124.15	A	pecan.calvin.edu
153.106.124.30	A	mail.vanlunencenter.com
153.106.124.30	A	mail.vanlunencenter.net
153.106.125.199	A	ellucianmobile.calvin.edu
153.106.130.9	A	clubs.calvin.edu
153.106.130.9	A	csx.calvin.edu
153.106.130.9	A	abs.calvin.edu
153.106.130.20	A	mirror.calvin.edu
153.106.131.10	A+PTR	udu.calvin.edu
153.106.134.102	A+PTR	dhcp134-102.calvin.edu
153.106.134.104	A	dhcp134-104.calvin.edu
153.106.134.133	A	dhcp134-133.calvin.edu
153.106.134.144	A	dhcp134-144.calvin.edu
153.106.135.15	PTR	www.ccel.org
153.106.135.15	A	ccel.org
153.106.135.16	A	julian.calvin.edu
153.106.135.19	A	www.hymnary.org
153.106.135.20	A	static.ccel.org
153.106.135.31	A	www.hymnary.org
153.106.135.32	A	ccel.org
153.106.138.11	A+PTR	adfs2012p-1.calvin.edu
153.106.138.11	A	adfs.calvin.edu
153.106.142.12	A	archives.calvin.edu
153.106.146.10	A+PTR	zion.calvin.edu
153.106.191.245	A	dhcp191-245.calvin.edu
153.106.193.111	A	dhcp193-111.calvin.edu
153.106.193.130	A	dhcp193-130.calvin.edu
153.106.193.170	A	dhcp193-170.calvin.edu
153.106.193.187	A	dhcp193-187.calvin.edu
153.106.196.38	A	abacus.calvin.edu
153.106.196.39	A	aspire.calvin.edu
153.106.200.161	A+PTR	ugothere-v2.calvin.edu
153.106.200.161	A	christianmissionaryscholarship.net
153.106.200.161	A	calvincollegepress.com