Robtex

Up: 13.33.14.0/24
Can't show all results, try to descend to a more specific CIDR
Down left: 13.33.14.128/26
Down right: 13.33.14.192/26
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
13.33.14.139	A+PTR	server-13-33-14-139.nrt12.r.cloudfront.net
13.33.14.139	A	dvo2b19ndqhsb.cloudfront.net
13.33.14.147	A+PTR	server-13-33-14-147.nrt12.r.cloudfront.net
13.33.14.147	A	d2ey2oxk21g1vg.cloudfront.net
13.33.14.155	PTR	server-13-33-14-155.nrt12.r.cloudfront.net
13.33.14.155	A	scaphold.slack.com
13.33.14.155	A	moitsd-dnr.slack.com
13.33.14.165	A+PTR	server-13-33-14-165.nrt12.r.cloudfront.net
13.33.14.165	A	d19w7yfcsg8xmi.cloudfront.net
13.33.14.178	PTR	server-13-33-14-178.nrt12.r.cloudfront.net
13.33.14.180	A+PTR	server-13-33-14-180.nrt12.r.cloudfront.net
13.33.14.181	A+PTR	server-13-33-14-181.nrt12.r.cloudfront.net
13.33.14.181	A	az.testnav.com
13.33.14.198	A+PTR	server-13-33-14-198.nrt12.r.cloudfront.net
13.33.14.198	A	d25svsc35nzo5k.cloudfront.net
13.33.14.210	A+PTR	server-13-33-14-210.nrt12.r.cloudfront.net
13.33.14.211	A+PTR	server-13-33-14-211.nrt12.r.cloudfront.net
13.33.14.211	A	d3hc2te5gcbk7o.cloudfront.net
13.33.14.219	A+PTR	server-13-33-14-219.nrt12.r.cloudfront.net
13.33.14.219	A	d2tzm9p537z64d.cloudfront.net
13.33.14.222	A+PTR	server-13-33-14-222.nrt12.r.cloudfront.net
13.33.14.222	A	d1d0cibq5ul603.cloudfront.net
13.33.14.224	A+PTR	server-13-33-14-224.nrt12.r.cloudfront.net
13.33.14.224	A	d2ua3qey5kjhjy.cloudfront.net
13.33.14.227	A+PTR	server-13-33-14-227.nrt12.r.cloudfront.net
13.33.14.227	A	www.bluefinlabs.com
13.33.14.231	A+PTR	server-13-33-14-231.nrt12.r.cloudfront.net
13.33.14.231	A	daumsfgwkxcs9.cloudfront.net
13.33.14.238	PTR	server-13-33-14-238.iad50.r.cloudfront.net
13.33.14.238	A	server-13-33-14-238.nrt12.r.cloudfront.net
13.33.14.253	PTR	server-13-33-14-253.iad50.r.cloudfront.net
13.33.14.253	A	server-13-33-14-253.nrt12.r.cloudfront.net
13.33.14.253	A	iwatsuji.slack.com