Robtex

Up: 27.72.0.0/15
Can't show all results, try to descend to a more specific CIDR
Down left: 27.73.0.0/17
Down right: 27.73.128.0/17

IP	Type	Hostname
27.73.0.2	PTR	localhost
27.73.0.44	PTR	localhost
27.73.0.45	PTR	localhost
27.73.7.23	PTR	localhost
27.73.7.23	A	anhsang84.com
27.73.12.43	PTR	localhost
27.73.21.100	PTR	localhost
27.73.25.130	A	namphongglass.com
27.73.30.248	PTR	localhost
27.73.33.249	PTR	localhost
27.73.34.2	PTR	localhost
27.73.37.23	PTR	localhost
27.73.48.140	PTR	localhost
27.73.49.45	PTR	localhost
27.73.53.114	PTR	localhost
27.73.56.25	PTR	localhost
27.73.62.94	PTR	localhost
27.73.62.237	PTR	localhost
27.73.63.221	PTR	localhost
27.73.74.101	PTR	localhost
27.73.74.217	PTR	localhost
27.73.85.1	PTR	localhost
27.73.85.226	PTR	localhost
27.73.89.6	PTR	localhost
27.73.96.124	PTR	localhost
27.73.102.182	PTR	localhost
27.73.102.186	PTR	localhost
27.73.102.186	A	nefma.net
27.73.102.187	A	marnonline.org
27.73.102.189	A	iowapca.com
27.73.102.189	A	iowapca.net
27.73.103.33	PTR	localhost
27.73.103.182	PTR	localhost
27.73.104.6	PTR	localhost
27.73.104.233	PTR	localhost
27.73.105.248	PTR	localhost
27.73.110.10	A	evolutionwhitening.com
27.73.119.137	PTR	localhost
27.73.120.150	PTR	localhost
27.73.122.111	PTR	localhost
27.73.122.111	A	maotp.com
27.73.129.173	PTR	localhost
27.73.137.66	PTR	localhost
27.73.160.89	A	mail.daringapps.com
27.73.172.34	PTR	localhost
27.73.176.118	PTR	localhost
27.73.178.87	PTR	localhost
27.73.178.87	A	tahnvn.com
27.73.179.148	PTR	localhost
27.73.179.148	A	mail.kwxgnn3p3kygzzmh3iu.net
27.73.209.97	PTR	localhost
27.73.242.184	PTR	localhost