Robtex

Up: 87.249.120.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 87.249.121.0/25
Down right: 87.249.121.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
87.249.121.3	PTR	rev-3.121.249.87.virtu.nl
87.249.121.4	PTR	rocrivor.nl
87.249.121.8	A+PTR	mail.rocrivor.nl
87.249.121.8	A	edu.rocrivor.nl
87.249.121.30	PTR	edu.rocrivor.nl
87.249.121.47	PTR	mail.spoh.nl
87.249.121.47	A	mail.keyaeurope.com
87.249.121.47	A	mail.cloese.nl
87.249.121.48	PTR	rev-48.121.249.87.virtu.nl
87.249.121.64	PTR	rev-64.121.249.87.virtu.nl
87.249.121.64	A	hetreisburo.nl
87.249.121.64	A	reisburovanstaalduinen.nl
87.249.121.73	PTR	rev-73.121.249.87.virtu.nl
87.249.121.73	A	mailapp1.carintreggeland.nl
87.249.121.74	PTR	rev-74.121.249.87.virtu.nl
87.249.121.74	A	mailapp2.carintreggeland.nl
87.249.121.80	PTR	rev-80.121.249.87.virtu.nl
87.249.121.80	A	reggeland.nl
87.249.121.80	A	reggelandplus.nl
87.249.121.95	PTR	rev-95.121.249.87.virtu.nl
87.249.121.98	A	persplaat.bloedsnel.net
87.249.121.102	PTR	rev-102.121.249.87.virtu.nl
87.249.121.114	A+PTR	campus-e114.landstede.net
87.249.121.115	A+PTR	campus-e115.landstede.net
87.249.121.119	PTR	rev-119.121.249.87.virtu.nl
87.249.121.121	A	rdns2.virtu.nl
87.249.121.122	A+PTR	ntp1.virtu.nl
87.249.121.164	PTR	smtp1.gblt.nl
87.249.121.164	A	smtp1.tricijn.nl
87.249.121.164	A	smtp1.lococensus.nl
87.249.121.165	A+PTR	smtp2.gblt.nl
87.249.121.165	A	smtp2.lococensus.nl
87.249.121.165	A	smtp2.tricijn.nl
87.249.121.187	A	remote.columbus-junior.nl
87.249.121.196	PTR	rev-196.121.249.87.virtu.nl
87.249.121.196	A	vis2.nl
87.249.121.205	PTR	rev-205.121.249.87.virtu.nl
87.249.121.205	A	vis2.nl
87.249.121.210	PTR	ns2.interstroom.nl
87.249.121.212	PTR	dns2.axis.nl
87.249.121.227	A	tkkrlab.space
87.249.121.233	PTR	rev-233.121.249.87.virtu.nl
87.249.121.233	A	accountantskantoorstraver.nl
87.249.121.242	A+PTR	ns1.roc-on.nl
87.249.121.251	A	digitaleams.nl