Robtex

Up: 31.25.100.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 31.25.100.0/25
Down right: 31.25.100.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
31.25.100.1	PTR	powered-by.xlnt-software.nl
31.25.100.9	A	www.specialbrands.net
31.25.100.10	PTR	pbware.powered-by.xlnt-software.nl
31.25.100.10	A	mail.improved-toilet.com
31.25.100.10	A	*.pbware.nl
31.25.100.14	PTR	hosted.by.pcextreme
31.25.100.14	A	mail.oplerno.com
31.25.100.14	A	mx2.oplerno.com
31.25.100.19	PTR	delta.onnerz.nl
31.25.100.19	A	mail.camperdumphandel.nl
31.25.100.19	A	mail.camperdump.nl
31.25.100.26	PTR	gijs.onnerz.nl
31.25.100.75	PTR	hosted.by.pcextreme
31.25.100.140	PTR	hosted.by.pcextreme
31.25.100.140	A	www.pcx-staging.nl
31.25.100.140	A	pcx-staging.nl
31.25.100.157	A	www.wscp.eu
31.25.100.167	PTR	hosted.by.pcextreme
31.25.100.167	A	mailrelay.pcextreme.nl
31.25.100.205	PTR	hosted.by.pcextreme
31.25.100.205	A	stater.cloud-kantoor.com
31.25.100.205	A	24-deals.nl
31.25.100.206	PTR	hosted.by.pcextreme
31.25.100.207	PTR	hosted.by.pcextreme
31.25.100.210	A	cloud-kantoor.com
31.25.100.213	PTR	mail.webenz.nl
31.25.100.213	A	handleiding-online.nl
31.25.100.213	A	advocatenalmere.eu
31.25.100.222	A+PTR	server222.tirato.nl
31.25.100.222	A	nobeers.com
31.25.100.222	A	outoftheboxx.nl
31.25.100.232	PTR	hosted.by.pcextreme
31.25.100.232	A	mail.mijnuc.nl
31.25.100.232	A	mijnvcn.nl