Robtex

Up: 27.72.176.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 27.72.184.0/22
Down right: 27.72.188.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
27.72.186.133	A	mu-hanoiss6.com
27.72.186.133	A	mail.mu-hanoiss6.com
27.72.186.142	PTR	localhost
27.72.186.142	A	mail.mu2gvn.com
27.72.186.142	A	mail.bavuongmu.com
27.72.186.148	PTR	localhost
27.72.186.148	A	gta-lhb.com
27.72.186.190	A	bravo-mu.net
27.72.186.190	A	bravo-team.net