Robtex

Up: 64.57.0.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 64.57.16.0/21
Down right: 64.57.24.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
64.57.16.22	A	nms-rthr2-eth2.wash.net.internet2.edu
64.57.16.162	A	nms-rlat.hous.net.internet2.edu
64.57.16.196	A	nms-rpsv.kans.net.internet2.edu
64.57.16.226	A	eth-1.nms-rlat.kans.net.internet2.edu
64.57.17.133	A+PTR	nms-rpsv.losa.net.internet2.edu
64.57.17.162	A+PTR	nms-rlat.losa.net.internet2.edu
64.57.20.5	A+PTR	xe-3-1-0.0.ny0.tr-cps.internet2.edu
64.57.20.37	A+PTR	ge-9-0-2.0.chic0.tr-cps.internet2.edu
64.57.20.109	A+PTR	ae-5.0.rtr.eqch.net.internet2.edu
64.57.20.187	A+PTR	ae-0.186.asbn0.tr-cps.internet2.edu
64.57.20.199	A	ny0.tr-cps.internet2.edu
64.57.20.200	A	asbn0.tr-cps.internet2.edu
64.57.20.201	A	chic0.tr-cps.internet2.edu
64.57.20.207	A	xe-4-3-0.206.chic0.tr-cps.internet2.edu
64.57.20.210	A+PTR	dlls0.tr-cps.internet2.edu
64.57.20.210	A+PTR	lo-0.1.dlls0.tr-cps.internet2.edu
64.57.20.218	A	ae-2.0.asbn0.tr-cps.internet2.edu
64.57.20.226	A	xe-9-2-0.0.lsan0.tr-cps.internet2.edu
64.57.20.244	A+PTR	ae-0.201.ny0.tr-cps.internet2.edu
64.57.21.81	A+PTR	et-7-0-0.202.rtr.eqch.net.internet2.edu
64.57.22.2	A+PTR	na-vcs-c-cluster.wash.internet2.edu
64.57.22.3	A	na-vcs-c-cluster.wash.internet2.edu
64.57.22.4	PTR	na-vcs-e-cluster.wash.internet2.edu
64.57.22.14	A	na-mse-8350.wash.internet2.edu
64.57.22.16	A	na-mse-8710-2.wash.internet2.edu
64.57.22.17	A	na-mse-8710-3.wash.internet2.edu
64.57.22.34	A+PTR	webprod0.wash.internet2.edu
64.57.22.34	A	webprod0.salt.internet2.edu
64.57.22.36	A+PTR	dns3.internet2.edu
64.57.22.84	A+PTR	web-eduroamus-wash.wash.internet2.edu
64.57.22.84	A	eduroam.us
64.57.22.84	A	eduroamus.org
64.57.22.114	PTR	filesender0.wash.internet2.edu
64.57.22.199	A	xsp3ext.sip.net.internet2.edu
64.57.24.1	A	faste-0-1.10.oob.newy1118th.net.internet2.edu
64.57.24.204	A	vlan-2706.oob.ashb.net.internet2.edu
64.57.27.129	PTR	eth-1.nms-rexp.losa.net.internet2.edu
64.57.27.158	A	ge-2-0-0.10.rtr.losa.net.internet2.edu
64.57.28.241	PTR	rtr.chic.net.internet2.edu
64.57.28.241	A	lo-0.0.rtsw.chic.net.internet2.edu
64.57.28.243	A+PTR	rtr.atla.net.internet2.edu
64.57.28.243	A	lo-0.0.rtr.atla.net.internet2.edu
64.57.28.244	A+PTR	rtr.hous.net.internet2.edu
64.57.28.244	PTR	lo-0.0.rtr.hous.net.internet2.edu
64.57.29.201	PTR	xe-2-0-0.493.dlls0.tr-cps.internet2.edu
64.57.29.201	A	xe-0-0-0.493.dlls0.tr-cps.internet2.edu
64.57.30.3	PTR	ae-7.30.rtr.chic.net.internet2.edu
64.57.30.139	A	vncv1rtr1.canarie.ca
64.57.30.232	A	mtrl2rtr1.canarie.ca
64.57.31.65	A	oob2.sunn.net.internet2.edu
64.57.31.66	A	sdn-sw.sunn.net.internet2.edu
64.57.31.131	A	sdn-dcp.houh.net.internet2.edu
64.57.31.195	A	em-3.pas-tst.jack.net.internet2.edu
64.57.31.209	A+PTR	oob.ashb.net.internet2.edu
64.57.31.241	A	lo-0.0.rtsw.chic.net.internet2.edu
64.57.31.243	A+PTR	lo-0.0.rtr.atla.net.internet2.edu