Robtex

Up: 217.102.240.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 217.102.240.0/22
Down right: 217.102.244.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
217.102.240.1	PTR	fortimail.zeelandnet.nl
217.102.240.220	A	mail.terneuzen.nl
217.102.241.0	A+PTR	host-xmbmyvj.static.zeelandnet.nl
217.102.241.9	A	217-102-241-9.zeelandnet.nl
217.102.241.11	A	217-102-241-11.zeelandnet.nl
217.102.241.17	A	217-102-241-17.zeelandnet.nl
217.102.241.18	A	217-102-241-18.zeelandnet.nl
217.102.241.21	A	217-102-241-21.zeelandnet.nl
217.102.241.25	A+PTR	mail.dethon.nl
217.102.241.25	A	217-102-241-25.zeelandnet.nl
217.102.241.25	A	pop.dethon.nl
217.102.241.32	A	217-102-241-32.zeelandnet.nl
217.102.241.41	PTR	217-102-241-41.zeelandnet.nl
217.102.241.41	A	vpn.dnwb.nl
217.102.241.49	A	217-102-241-49.zeelandnet.nl
217.102.241.152	PTR	aplsea01.werktvoorouderen.nl
217.102.241.152	A	mail.werktvoorouderen.nl
217.102.241.152	A	mail.wvozorg.nl
217.102.241.185	A	217-102-241-185.zeelandnet.nl
217.102.241.221	A+PTR	mail.emergis.nl
217.102.241.221	A	mail.indigozeeland.nl
217.102.241.221	A	mail.hkpd.nl
217.102.241.234	A+PTR	host-zkbmyvj.static.zeelandnet.nl
217.102.241.234	A	terweelportaal.nl
217.102.241.234	A	www.terweelportaal.nl
217.102.241.237	PTR	217-102-241-237.zeelandnet.nl
217.102.241.245	A	217-102-241-245.zeelandnet.nl
217.102.241.245	A	host-1kbmyvj.static.zeelandnet.nl
217.102.241.245	A	mail2.greenlandscaping.nl
217.102.242.2	PTR	217-102-242-2.zeelandnet.nl
217.102.242.4	A+PTR	host-wcbmyvj.static.zeelandnet.nl
217.102.242.4	A	217-102-242-4.zeelandnet.nl
217.102.242.8	A	extranet.dnwg.nl
217.102.243.213	A	217-102-243-213.zeelandnet.nl
217.102.246.61	A+PTR	host-thsmyvj.static.zeelandnet.nl
217.102.246.61	A	webmail.vkpbouw.com
217.102.246.73	A	mail.swreimerswaal.com
217.102.246.225	A	217-102-246-225.zeelandnet.nl
217.102.246.228	A+PTR	host-c6smyvj.static.zeelandnet.nl
217.102.246.231	A	host-p6smyvj.static.zeelandnet.nl
217.102.246.232	A+PTR	host-x6smyvj.static.zeelandnet.nl
217.102.246.234	A+PTR	host-u6smyvj.static.zeelandnet.nl
217.102.246.235	PTR	217-102-246-235.zeelandnet.nl
217.102.247.6	A+PTR	217-102-247-6.zeelandnet.nl
217.102.247.58	A	217-102-247-58.zeelandnet.nl
217.102.247.101	A+PTR	host-5ismyvj.static.zeelandnet.nl
217.102.247.101	A	217-102-247-101.zeelandnet.nl
217.102.247.122	A	217-102-247-122.zeelandnet.nl
217.102.247.155	A+PTR	host-ppsmyvj.static.zeelandnet.nl
217.102.247.155	A	217-102-247-155.zeelandnet.nl
217.102.247.163	A	217-102-247-163.zeelandnet.nl
217.102.247.168	A+PTR	host-4xsmyvj.static.zeelandnet.nl