Robtex

Up: 31.3.0.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 31.3.8.0/22
Down right: 31.3.12.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
31.3.8.2	A+PTR	npe.nu
31.3.8.7	PTR	gears.raaw.eu
31.3.8.7	A	mx.gchat.nl
31.3.8.7	A	cas.yt
31.3.8.13	A	mail.ikbenict.nl
31.3.8.50	A	mail.puddingonline.com
31.3.8.50	A	webmanager.aalderingict.nl
31.3.8.51	A	mail1.aalderingict.com
31.3.8.52	A	datacentrum-arnhem.net
31.3.9.26	A	systemdesign.nl
31.3.9.26	A	xymail.nl
31.3.9.26	A	caviaopvangrozan.nl
31.3.10.132	A	spamfilter3.commitment.nl
31.3.11.67	A	livesense.nl
31.3.11.75	A	climpex.nl
31.3.11.75	A	flexpet.ch
31.3.11.75	A	scanbech.eu
31.3.15.70	A	mx1.boemer.eu