Robtex

Up: 37.0.87.0/25
Can't show all results, try to descend to a more specific CIDR
Down left: 37.0.87.64/27
Down right: 37.0.87.96/27
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
37.0.87.69	PTR	rt87bb0-37-69.routit.net
37.0.87.69	A	nivlek.no-ip.org
37.0.87.69	A	ns2.nivlek.nl
37.0.87.70	PTR	rt87bb0-37-70.routit.net
37.0.87.70	A	life-events.nl
37.0.87.70	A	*.esrocom.nl
37.0.87.76	A	mail.pl-online.net
37.0.87.83	A	mx1.scatox.nl
37.0.87.92	PTR	rt87bb0-37-92.routit.net
37.0.87.92	A	mail.brandsma.com
37.0.87.93	PTR	rt87bb0-37-93.routit.net
37.0.87.93	A	utmcluster.esrocom.nl
37.0.87.100	PTR	rt87bb0-37-100.routit.net
37.0.87.100	A	mail.crowehorwath.nl
37.0.87.103	PTR	rt87bb0-37-103.routit.net
37.0.87.113	PTR	rt87bb0-37-113.routit.net