Robtex

Up: 145.0.0.0/15
Can't show all results, try to descend to a more specific CIDR
Down left: 145.0.0.0/17
Down right: 145.0.128.0/17

IP	Type	Hostname
145.0.0.1	PTR	any-resolver.surfnet.nl
145.0.0.1	A	resolver.surfnet.nl
145.0.0.2	PTR	any-resolver.surfnet.nl
145.0.0.2	A	resolver.surfnet.nl
145.0.0.3	A	resolver.surfnet.nl
145.0.0.6	A	siren.ort.cuhk.edu.hk
145.0.1.3	PTR	outgoing-ams.mf.surf.net
145.0.1.3	A	outgoing.mf.surf.net
145.0.1.4	PTR	outgoing1-ams.mf.surf.net
145.0.1.17	A	out17-ams.mf.surf.net
145.0.1.25	A	out25-ams.mf.surf.net
145.0.1.27	A	out27-ams.mf.surf.net
145.0.2.17	A	sugar.terena.org
145.0.2.18	A	nipkow.terena.org
145.0.2.19	A	proxy-uat.geant.org
145.0.2.20	A	vandiemen.terena.org
145.0.6.8	A	asterix.wind.surfnet.nl
145.0.6.9	A	einstein.wind.surfnet.nl
145.0.6.44	A	commonsconservancy.org
145.0.6.44	A	infra.commonsconservancy.org
145.0.7.5	A+PTR	dorsvlegel.surfnet.nl
145.0.7.6	A+PTR	webstats.surf.nl
145.0.7.13	A	vpn.surfnet.nl
145.0.7.16	A+PTR	kis-sp.surfnet.nl
145.0.7.29	PTR	kis-sp.surfnet.nl
145.0.9.55	A+PTR	c3po.dnsjedi.org
145.0.9.61	A+PTR	yoda.dnsjedi.org
145.0.9.68	A	orgminion01.dnsjedi.org.workers.cyberwolk.nl
145.0.9.126	A	comminion44.dnsjedi.org.workers.cyberwolk.nl