Robtex

Up: 217.16.216.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 217.16.216.0/23
Down right: 217.16.218.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
217.16.216.29	A+PTR	mail.elderandpaton.co.uk
217.16.216.29	A	elderandpaton.co.uk
217.16.216.69	PTR	gun-ghluasad-217-16-216-69.scotnet.co.uk
217.16.216.86	PTR	gun-ghluasad-217-16-216-86.scotnet.co.uk
217.16.216.147	A	finlaysonsca.co.uk
217.16.216.163	A	mail.fmahrd.com
217.16.216.163	A	mail.fmapeople.com
217.16.216.188	PTR	gun-ghluasad-217-16-216-188.scotnet.co.uk
217.16.216.188	A	mail.lorettocare.co.uk
217.16.216.190	PTR	gun-ghluasad-217-16-216-190.scotnet.co.uk
217.16.217.34	PTR	pctgroup.co.uk
217.16.217.34	A	meiunitech.com
217.16.217.45	PTR	gun-ghluasad-217-16-217-45.scotnet.co.uk
217.16.217.45	A	mail.comlegcen.com
217.16.217.94	PTR	gun-ghluasad-217-16-217-94.scotnet.co.uk
217.16.217.94	A	sgm-uk.co.uk
217.16.217.155	PTR	gun-ghluasad-217-16-217-155.scotnet.co.uk
217.16.217.163	PTR	gun-ghluasad-217-16-217-163.scotnet.co.uk
217.16.217.179	PTR	gun-ghluasad-217-16-217-179.scotnet.co.uk
217.16.217.204	PTR	mail10.bigdna.co.uk
217.16.217.204	A	mail10.bigdna.com
217.16.217.207	A	jsmackie.co.uk
217.16.217.229	A	mail.tps-fronius.co.uk
217.16.217.254	A	antonine.org.uk
217.16.218.80	A	mail.reidandrobertson.com
217.16.218.115	A	mail.globalsolaruk.com
217.16.218.124	A	fentonevents.com
217.16.218.145	PTR	gun-ghluasad-217-16-218-145.scotnet.co.uk
217.16.218.145	A	mail.laingsglasgow.com
217.16.218.145	A	mail2.laingsglasgow.com
217.16.218.254	PTR	gun-ghluasad-217-16-218-254.scotnet.co.uk
217.16.218.254	A	mail.wellymail.com
217.16.218.254	A	mail.glenmoy.com
217.16.219.33	PTR	fiughantach-217-16-219-33.scotnet.co.uk
217.16.219.77	A	mailgate.gphc.org.uk
217.16.219.88	PTR	fiughantach-217-16-219-88.scotnet.co.uk
217.16.219.88	A	mail.scottishlinen.com
217.16.219.138	PTR	fiughantach-217-16-219-138.scotnet.co.uk
217.16.219.233	PTR	fiughantach-217-16-219-233.scotnet.co.uk
217.16.219.243	A	corvustechnology.co.uk