Robtex

Up: 13.35.248.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 13.35.248.0/23
Down right: 13.35.250.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
13.35.250.125	A+PTR	server-13-35-250-125.fra6.r.cloudfront.net
13.35.250.125	A	qms6dalc.micpn.com
13.35.250.153	A+PTR	server-13-35-250-153.fra6.r.cloudfront.net
13.35.250.153	A	d1871rpodzxhqn.cloudfront.net
13.35.250.164	PTR	server-13-35-250-164.fra6.r.cloudfront.net
13.35.250.164	A	srozgaslacksample.slack.com
13.35.250.164	A	statamic.slack.com