Robtex

Up: 37.139.128.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 37.139.136.0/22
Down right: 37.139.140.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
37.139.136.2	PTR	no-reverse-yet.fusixnetworks.net
37.139.136.2	A	glentallochacties.com
37.139.136.2	A	esbjaergacties.com
37.139.136.7	A	ns02.247everywhere.net
37.139.136.14	A	mx10.mailserverprotection.net
37.139.136.14	A	se02.mailserverprotection.net
37.139.136.22	A	mail.server-works.com
37.139.136.43	PTR	no-reverse-yet.fusixnetworks.net
37.139.136.60	A	emesa.dk
37.139.136.60	A	letsbid.fr
37.139.136.60	A	letsbid.net
37.139.136.67	A	ticketscout.nl
37.139.136.67	A	www.ticketscout.nl
37.139.136.81	PTR	no-reverse-yet.fusixnetworks.net
37.139.136.84	A	idkwic.com
37.139.136.115	PTR	no-reverse-yet.fusixnetworks.net
37.139.136.120	PTR	no-reverse-yet.fusixnetworks.net
37.139.136.137	PTR	kantoor.emesa.nl
37.139.136.154	PTR	kantoor.emesa.nl
37.139.136.184	PTR	no-reverse-yet.fusixnetworks.net
37.139.136.208	PTR	no-reverse-yet.fusixnetworks.net
37.139.136.209	PTR	no-reverse-yet.fusixnetworks.net
37.139.136.240	PTR	no-reverse-yet.fusixnetworks.net
37.139.136.242	PTR	no-reverse-yet.fusixnetworks.net
37.139.137.98	PTR	no-reverse-yet.fusixnetworks.net
37.139.137.147	PTR	no-reverse-yet.fusixnetworks.net
37.139.137.153	PTR	no-reverse-yet.fusixnetworks.net
37.139.137.155	PTR	no-reverse-yet.fusixnetworks.net
37.139.137.162	PTR	no-reverse-yet.fusixnetworks.net
37.139.137.202	PTR	no-reverse-yet.fusixnetworks.net
37.139.137.208	PTR	no-reverse-yet.fusixnetworks.net
37.139.137.230	A	setra-conseil.fr
37.139.139.26	PTR	no-reverse-yet.fusixnetworks.net
37.139.139.36	A	k4.fusixnetworks.net
37.139.139.36	A	ns0.fusixnetworks.net
37.139.139.40	PTR	no-reverse-yet.fusixnetworks.net
37.139.139.41	PTR	web0.fusixnetworks.net
37.139.139.58	PTR	no-reverse-yet.fusixnetworks.net
37.139.139.59	PTR	no-reverse-yet.fusixnetworks.net
37.139.139.70	A	irc.paranode.net
37.139.139.92	A	g21.fusixnetworks.net
37.139.139.98	PTR	no-reverse-yet.fusixnetworks.net
37.139.139.98	A	atelier104.nl
37.139.139.98	A	thuijzer.nl
37.139.139.99	PTR	no-reverse-yet.fusixnetworks.net
37.139.139.99	A	isp-classics.com
37.139.139.111	A	fusix247.net
37.139.139.111	A	fusixnetworks.nl
37.139.139.111	A	fusix.be
37.139.139.113	A+PTR	mail0.fusixnetworks.net
37.139.139.114	A+PTR	g43.fusixnetworks.net
37.139.139.117	A	g46.fusixnetworks.net
37.139.139.162	A+PTR	switch0.synleaf.com
37.139.139.163	A+PTR	mail.aanan.nl
37.139.139.163	A	mail.aanstaan.nl
37.139.139.163	A	mail.fluiter.com
37.139.139.168	PTR	no-reverse-yet.fusixnetworks.net
37.139.139.168	A	mail.camchatbox.nl
37.139.139.168	A	mail.sexfilmsnu.be
37.139.139.169	PTR	sw0.virtueelstation.nl
37.139.139.170	PTR	no-reverse-yet.fusixnetworks.net
37.139.139.171	PTR	sw2.virtueelstation.nl
37.139.139.201	PTR	no-reverse-yet.fusixnetworks.net
37.139.139.240	PTR	br0.nikhef.nl.fusixnetworks.net
37.139.139.241	PTR	r1.switch.nl.fusixnetworks.net
37.139.140.80	PTR	no-reverse-yet.fusixnetworks.net
37.139.140.145	PTR	no-reverse-yet.fusixnetworks.net
37.139.140.161	PTR	no-reverse-yet.fusixnetworks.net
37.139.141.9	PTR	no-reverse-yet.fusixnetworks.net
37.139.141.11	PTR	no-reverse-yet.fusixnetworks.net
37.139.141.49	PTR	no-reverse-yet.fusixnetworks.net
37.139.141.107	PTR	no-reverse-yet.fusixnetworks.net
37.139.141.138	PTR	no-reverse-yet.fusixnetworks.net
37.139.141.152	PTR	no-reverse-yet.fusixnetworks.net
37.139.141.178	PTR	no-reverse-yet.fusixnetworks.net
37.139.141.194	PTR	no-reverse-yet.fusixnetworks.net
37.139.141.217	PTR	no-reverse-yet.fusixnetworks.net
37.139.141.241	PTR	no-reverse-yet.fusixnetworks.net
37.139.142.3	PTR	no-reverse-yet.fusixnetworks.net
37.139.142.3	A	dealerportal.nl
37.139.142.5	A	partone.nl
37.139.142.5	A	www.partone.nl
37.139.142.5	A	partone.com
37.139.142.28	A	smtp.directaccess.nl
37.139.142.49	PTR	no-reverse-yet.fusixnetworks.net
37.139.142.67	PTR	no-reverse-yet.fusixnetworks.net
37.139.142.67	A	www.lena-library.com
37.139.142.68	A	fitness-thuis.nl
37.139.142.68	A	www.dartwereld.nl
37.139.142.68	A	www.headis-shop.nl
37.139.142.121	PTR	no-reverse-yet.fusixnetworks.net
37.139.142.122	PTR	no-reverse-yet.fusixnetworks.net
37.139.142.154	PTR	no-reverse-yet.fusixnetworks.net
37.139.142.170	PTR	no-reverse-yet.fusixnetworks.net
37.139.142.182	A	www.openims.com
37.139.142.182	A	openims.nl
37.139.142.182	A	www.osict.com
37.139.142.231	A	flexfer.com
37.139.142.231	A	marketingindustries.nl
37.139.142.232	PTR	no-reverse-yet.fusixnetworks.net
37.139.142.243	PTR	no-reverse-yet.fusixnetworks.net
37.139.143.16	PTR	no-reverse-yet.fusixnetworks.net
37.139.143.34	PTR	no-reverse-yet.fusixnetworks.net
37.139.143.69	A	mail.meeder.nl
37.139.143.98	PTR	no-reverse-yet.fusixnetworks.net
37.139.143.105	PTR	no-reverse-yet.fusixnetworks.net
37.139.143.112	PTR	no-reverse-yet.fusixnetworks.net
37.139.143.113	PTR	no-reverse-yet.fusixnetworks.net
37.139.143.121	PTR	no-reverse-yet.fusixnetworks.net
37.139.143.140	A	traderdesk.nl
37.139.143.140	A	pcmini.nl
37.139.143.140	A	topdesktop.nl
37.139.143.152	PTR	no-reverse-yet.fusixnetworks.net
37.139.143.182	A	smtp.totaldesk.nl
37.139.143.216	PTR	no-reverse-yet.fusixnetworks.net