Robtex

Up: 5.61.116.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 5.61.116.0/25
Down right: 5.61.116.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
5.61.116.5	PTR	116_5chicago.node.nw000.com
5.61.116.5	A	mx.us.nw000.com
5.61.116.7	PTR	116_7chicago.node.nw000.com
5.61.116.7	A	3.ns.nw000.com
5.61.116.16	PTR	116_16chicago.node.nw000.com
5.61.116.16	A	admin.us.newsweaver.com
5.61.116.16	A	admin.us.poppulo-app.com
5.61.116.17	PTR	5-61-116-17.node.nw000.com
5.61.116.17	A	wyndhamdestinations.us.newsweaver.com
5.61.116.17	A	aerospaceexternal.us.newsweaver.com
5.61.116.18	A	login.us.poppulo-app.com
5.61.116.66	PTR	116_66chicago.node.nw000.com
5.61.116.66	A	tracking.us.newsweaver.com
5.61.116.124	A+PTR	5-61-116-124.node.nw000.com
5.61.116.124	A	security.us.poppulo-app.com
5.61.116.187	PTR	116_187chicago.node.nw000.com