Robtex

Up: 216.227.122.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 216.227.123.0/25
Down right: 216.227.123.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
216.227.123.6	PTR	fairpoint.redcondor.net
216.227.123.6	A	aier.org.mx2.fairpoint.rcimx.net
216.227.123.6	A	nsdata.com.mx2.fairpoint.rcimx.net
216.227.123.10	A+PTR	dns1.taconic.net
216.227.123.10	A	lieueyokul.net
216.227.123.20	A+PTR	dns2.taconic.net
216.227.123.20	A	atif.info
216.227.123.34	A	mrtg.taconic.net
216.227.123.40	A+PTR	ncommand.taconic.net
216.227.123.53	A+PTR	pop32.taconic.net
216.227.123.55	A+PTR	mx.taconic.net
216.227.123.55	A	mail.oilpatchdirectory.net
216.227.123.55	A	mx.nsdata.com
216.227.123.73	A+PTR	smtp2.taconic.net
216.227.123.73	A	smtp4.taconic.net
216.227.123.73	A	smtp3.taconic.net
216.227.123.99	A+PTR	eh2.taconic.net
216.227.123.100	A+PTR	eh3.taconic.net
216.227.123.101	PTR	iwantmybroadbandfromfairpoint.biz
216.227.123.101	PTR	iwantmybroadbandfromfairpoint.com
216.227.123.101	A+PTR	iwantmybroadbandfromfairpoint.info
216.227.123.118	A+PTR	strongbad.taconic.net
216.227.123.150	A	ns1.fpma.frpt.net
216.227.123.151	A+PTR	control.taconic.net
216.227.123.151	A	hostmaster.ispcontrolpanel.com
216.227.123.151	A	www.ispcontrolpanel.com
216.227.123.200	A+PTR	nms1-123.taconic.net
216.227.123.200	A+PTR	nms1.taconic.net
216.227.123.200	A	nms1.elltel.net
216.227.123.210	A+PTR	nms2-123.taconic.net
216.227.123.210	A+PTR	nms2.taconic.net
216.227.123.210	A	nms2.elltel.net
216.227.123.240	PTR	ns2.myfairpoint.net
216.227.123.252	A+PTR	t-cheat.taconic.net
216.227.123.252	A+PTR	t.cheat.taconic.net