Robtex

Up: 67.228.252.0/22
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Down left: 67.228.252.0/24
Down right: 67.228.253.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
67.228.252.0	PTR	67.228.252.0-static.reverse.softlayer.com
67.228.252.0	A	0.fc.e443.ip4.static.sl-reverse.com
67.228.252.2	PTR	ns1.guestdns.com
67.228.252.2	A	ns1.si-sv2521.com
67.228.252.2	A	ns1.clevertech.net
67.228.252.3	PTR	ns1.global-datacenter.com
67.228.252.13	A+PTR	67.228.252.13-static.reverse.softlayer.com
67.228.252.39	A	67.228.252.39-static.reverse.softlayer.com
67.228.252.128	A+PTR	67.228.252.128-static.reverse.softlayer.com
67.228.252.142	A+PTR	8e.fc.e443.ip4.static.sl-reverse.com
67.228.252.142	A	www.irfsa.com
67.228.252.142	A	irfsa.com
67.228.252.149	A+PTR	67.228.252.149-static.reverse.softlayer.com
67.228.252.153	A+PTR	67.228.252.153-static.reverse.softlayer.com
67.228.252.251	PTR	fb.fc.e443.ip4.static.sl-reverse.com
67.228.252.255	PTR	ff.fc.e443.ip4.static.sl-reverse.com
67.228.253.0	A+PTR	67.228.253.0-static.reverse.softlayer.com
67.228.253.0	A	0.fd.e443.ip4.static.sl-reverse.com
67.228.253.2	PTR	2.fd.e443.ip4.static.sl-reverse.com
67.228.253.2	A	ns2.si-sv2521.com
67.228.253.2	A	ns2.si-sv3594.com
67.228.253.3	PTR	ns2.global-datacenter.com
67.228.253.255	A+PTR	ff.fd.e443.ip4.static.sl-reverse.com