Robtex

Up: 162.223.80.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 162.223.84.0/23
Down right: 162.223.86.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
162.223.86.36	A	ntp.granitevoip.com
162.223.86.36	A	dns2.granitevoip.com
162.223.86.36	A	dns.lsancajw.granitevoip.com
162.223.86.230	A+PTR	genlax.granitevoip.com
162.223.86.230	A+PTR	hnt.ssc.lsancajw.granitevoip.com
162.223.86.230	A+PTR	la.granitevoip.com
162.223.86.235	A	bstlax.granitevoip.com