Robtex

Up: 66.187.224.0/20
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Down left: 66.187.224.0/22
Down right: 66.187.228.0/22

IP	Type	Hostname
66.187.224.0	PTR	trystack-66-187-224-0.redhat.com
66.187.224.35	PTR	ip-66-187-224-35.redhat.com
66.187.224.40	PTR	ip-66-187-224-40.redhat.com
66.187.224.43	PTR	ip-66-187-224-43.redhat.com
66.187.224.65	PTR	ip-66-187-224-65.redhat.com
66.187.224.73	PTR	ip-66-187-224-73.redhat.com
66.187.224.80	PTR	ip-66-187-224-80.redhat.com
66.187.224.91	PTR	ip-66-187-224-91.redhat.com
66.187.224.105	PTR	ip-66-187-224-105.redhat.com
66.187.224.112	PTR	ip-66-187-224-112.redhat.com
66.187.224.147	PTR	ip-66-187-224-147.redhat.com
66.187.224.152	PTR	ip-66-187-224-152.redhat.com
66.187.224.155	PTR	ip-66-187-224-155.redhat.com
66.187.224.170	PTR	ip-66-187-224-170.redhat.com
66.187.224.192	PTR	ip-66-187-224-192.redhat.com
66.187.224.200	PTR	ip-66-187-224-200.redhat.com
66.187.224.210	PTR	ip-66-187-224-210.redhat.com
66.187.224.250	PTR	ip-66-187-224-250.redhat.com
66.187.225.26	PTR	ip-66-187-225-26.redhat.com
66.187.225.56	PTR	ip-66-187-225-56.redhat.com
66.187.225.58	PTR	ip-66-187-225-58.redhat.com
66.187.225.185	PTR	ip-66-187-225-185.redhat.com
66.187.225.194	PTR	ip-66-187-225-194.redhat.com
66.187.227.200	A	nat-pool-fab.redhat.com
66.187.228.16	PTR	unused
66.187.228.90	PTR	unused
66.187.228.155	PTR	unused
66.187.228.187	PTR	unused
66.187.228.235	PTR	unused
66.187.229.8	PTR	ip-8i-229-187-66.redhat.com
66.187.229.10	PTR	ip-10i-229-187-66.redhat.com
66.187.229.19	PTR	ip-19i-229-187-66.redhat.com
66.187.229.19	A	rhx.fi
66.187.229.22	A	me.redhat.com
66.187.229.27	PTR	latam.redhat.com
66.187.229.27	A	red-hat.com.mx
66.187.229.51	PTR	ip-51i-229-187-66.redhat.com
66.187.229.90	PTR	ip-90i-229-187-66.redhat.com
66.187.229.107	PTR	ip-107i-229-187-66.redhat.com
66.187.229.135	A	mirror.regionone.tripleo-test-cloud-rh1.openstack.org
66.187.229.198	A	wlanconf-nat-pool-str.redhat.com
66.187.229.200	PTR	ip-200i-229-187-66.redhat.com
66.187.229.200	A	nat-pool-str.redhat.com
66.187.229.211	PTR	ip-211i-229-187-66.redhat.com
66.187.229.219	PTR	ip-219i-229-187-66.redhat.com
66.187.229.219	A	tripleo.org
66.187.229.252	A	vpn2.redhat.com
66.187.229.254	A	router-str.redhat.com
66.187.230.11	PTR	unused
66.187.230.11	A	ns01.phx.ovirt.org
66.187.230.28	A	resources.ovirt.org
66.187.230.42	PTR	unused
66.187.230.42	A	lists.phx.ovirt.org
66.187.230.55	A	ovirt.org
66.187.230.218	PTR	ip-218-230-187-66.redhat.com
66.187.231.43	PTR	unused