Robtex

Up: 13.33.209.0/24
Can't show all results, try to descend to a more specific CIDR
Down left: 13.33.209.128/26
Down right: 13.33.209.192/26
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
13.33.209.137	A+PTR	server-13-33-209-137.nrt57.r.cloudfront.net
13.33.209.137	A	d2u0tvb2vldpc8.cloudfront.net
13.33.209.144	A+PTR	server-13-33-209-144.nrt57.r.cloudfront.net
13.33.209.146	A+PTR	server-13-33-209-146.nrt57.r.cloudfront.net
13.33.209.146	A	d33ko590wokwa1.cloudfront.net
13.33.209.152	A+PTR	server-13-33-209-152.nrt57.r.cloudfront.net
13.33.209.152	A	d-90672deebb.awsapps.com
13.33.209.152	A	gea-connect-us-east-1.awsapps.com
13.33.209.156	A+PTR	server-13-33-209-156.nrt57.r.cloudfront.net
13.33.209.156	A	d1zka65uysdk6i.cloudfront.net
13.33.209.160	A+PTR	server-13-33-209-160.nrt57.r.cloudfront.net
13.33.209.160	A	d11dzfoggj4z32.cloudfront.net
13.33.209.160	A	d1alm0io58y9z.cloudfront.net
13.33.209.163	A+PTR	server-13-33-209-163.nrt57.r.cloudfront.net
13.33.209.163	A	d1ynrlbnk4zc2a.cloudfront.net
13.33.209.168	A+PTR	server-13-33-209-168.nrt57.r.cloudfront.net
13.33.209.168	A	d2nht377q5z2p.cloudfront.net
13.33.209.168	A	d2zwlrw87rl6kx.cloudfront.net
13.33.209.176	A+PTR	server-13-33-209-176.nrt57.r.cloudfront.net
13.33.209.176	A	d2lptpsj5kk0wd.cloudfront.net
13.33.209.184	A+PTR	server-13-33-209-184.nrt57.r.cloudfront.net
13.33.209.184	A	d3ry8rgwf2p25y.cloudfront.net
13.33.209.187	A+PTR	server-13-33-209-187.nrt57.r.cloudfront.net
13.33.209.203	PTR	server-13-33-209-203.nrt57.r.cloudfront.net
13.33.209.204	A+PTR	server-13-33-209-204.nrt57.r.cloudfront.net
13.33.209.204	A	d3luo6nqgyhrq6.cloudfront.net
13.33.209.217	A	d29id7n8587nnz.cloudfront.net
13.33.209.217	A	cfr.slack-edge.com
13.33.209.226	A	iot.us-east-1.amazonaws.com
13.33.209.236	A	services.bethesda.net
13.33.209.240	PTR	server-13-33-209-240.nrt57.r.cloudfront.net
13.33.209.241	A+PTR	server-13-33-209-241.nrt57.r.cloudfront.net
13.33.209.241	A	djyrft2qkb5p7.cloudfront.net
13.33.209.246	A+PTR	server-13-33-209-246.nrt57.r.cloudfront.net
13.33.209.246	A	d2azwpvdcs9sjf.cloudfront.net