Robtex

Up: 83.143.240.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 83.143.240.0/24
Down right: 83.143.241.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
83.143.240.8	A	4-cz.cg-dialup.net
83.143.240.35	A	4-cz.cg-dialup.net
83.143.240.37	A	4-cz.cg-dialup.net
83.143.240.38	A	4-cz.cg-dialup.net
83.143.240.43	A	4-cz.cg-dialup.net
83.143.240.44	A	4-cz.cg-dialup.net
83.143.240.46	A	4-cz.cg-dialup.net
83.143.240.98	A+PTR	mailout-03.mx3.amittoamoveo.com
83.143.240.98	A	ns1.jocurintra.com
83.143.240.98	A	ns1.wasdemail.com
83.143.240.99	PTR	mailout-04.mx3.amittoamoveo.com
83.143.240.100	A+PTR	mailout-05.mx3.amittoamoveo.com
83.143.240.100	A	ns2.vurulacluster.ro
83.143.241.5	PTR	vlan202.pe4.man4.uk.m247.com
83.143.241.17	PTR	ge-1-10-0.bb1.lon1.uk.m247.com
83.143.241.61	PTR	vlan3435.pe4.man4.uk.m247.com
83.143.241.65	PTR	ge-0-1-3421.pe1.man1.uk.m247.com
83.143.241.77	PTR	vlan3441.pe4.man4.uk.m247.com