Robtex

Up: 216.146.40.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 216.146.42.0/24
Down right: 216.146.43.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
216.146.42.1	PTR	ge-1-0-0-5.core-01-dfw.dyndns.com
216.146.42.1	A	0.ge-1-0-0.core-01-dfw.as33517.net
216.146.42.2	PTR	ge-0-0-1-5.vpn-01-dfw.dyndns.com
216.146.42.2	A	0.ge-0-0-1.vpn-01-dfw.as33517.net
216.146.42.24	PTR	lo0.core-01-dfw.dyndns.com
216.146.42.24	A	core-01-dfw.dyndns.com
216.146.42.88	A	mail.ati-messagerie.net
216.146.42.88	A	ati-messagerie.net
216.146.42.133	A+PTR	agent4-01-dfw.dyndns.com
216.146.42.134	A+PTR	agent4-02-dfw.dyndns.com
216.146.42.150	A+PTR	cp20-01-dfw.dyndns.com
216.146.42.171	A	ig3-01-dfw.dyndns.com
216.146.42.172	A+PTR	ig3-02-dfw.dyndns.com
216.146.43.1	A	0.ge-1-0-7.core-01-waw.as33517.net
216.146.43.35	A+PTR	sak-01-waw.dyndns.com
216.146.43.62	A+PTR	kvm-02-waw.dyndns.com
216.146.43.70	A+PTR	checkip-waw.dyndns.com
216.146.43.70	A	theoandplomp.com
216.146.43.70	A	themassicator.com
216.146.43.71	A+PTR	checkip.dyndns.com
216.146.43.71	A	theoandplomp.com
216.146.43.71	A	checkip-waw.dyndns.com
216.146.43.133	A+PTR	agent4-01-waw.dyndns.com
216.146.43.150	A+PTR	cp20-01-waw.dyndns.com
216.146.43.171	A	ig3-01-waw.dyndns.com
216.146.43.172	A	ig3-02-waw.dyndns.com