Robtex

Up: 54.192.80.0/25
Can't show all results, try to descend to a more specific CIDR
Down left: 54.192.80.64/27
Down right: 54.192.80.96/27
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
54.192.80.71	A+PTR	server-54-192-80-71.mia50.r.cloudfront.net
54.192.80.77	A+PTR	server-54-192-80-77.mia50.r.cloudfront.net
54.192.80.81	A+PTR	server-54-192-80-81.mia50.r.cloudfront.net
54.192.80.83	A+PTR	server-54-192-80-83.mia50.r.cloudfront.net
54.192.80.83	A	d1b2zzpxewkr9z.cloudfront.net
54.192.80.91	A+PTR	server-54-192-80-91.mia50.r.cloudfront.net
54.192.80.91	A	blog.twitpic.com
54.192.80.93	A+PTR	server-54-192-80-93.mia50.r.cloudfront.net
54.192.80.93	A	d1oxg4txov43tc.cloudfront.net
54.192.80.97	A+PTR	server-54-192-80-97.mia50.r.cloudfront.net
54.192.80.98	A+PTR	server-54-192-80-98.mia50.r.cloudfront.net
54.192.80.101	A+PTR	server-54-192-80-101.mia50.r.cloudfront.net
54.192.80.101	A	d3hcghenxzbph0.cloudfront.net
54.192.80.101	A	voetbalflitsen.com
54.192.80.105	A+PTR	server-54-192-80-105.mia50.r.cloudfront.net
54.192.80.106	A+PTR	server-54-192-80-106.mia50.r.cloudfront.net
54.192.80.108	A+PTR	server-54-192-80-108.mia50.r.cloudfront.net
54.192.80.108	A	d2c4dkinmjtzeq.cloudfront.net
54.192.80.110	A+PTR	server-54-192-80-110.mia50.r.cloudfront.net
54.192.80.120	A+PTR	server-54-192-80-120.mia50.r.cloudfront.net
54.192.80.123	A+PTR	server-54-192-80-123.mia50.r.cloudfront.net
54.192.80.124	A+PTR	server-54-192-80-124.mia50.r.cloudfront.net
54.192.80.125	A+PTR	server-54-192-80-125.mia50.r.cloudfront.net
54.192.80.125	A	a17-250-248-150.ykooy785.dmusic.net
54.192.80.126	A+PTR	server-54-192-80-126.mia50.r.cloudfront.net
54.192.80.127	A+PTR	server-54-192-80-127.mia50.r.cloudfront.net