Robtex

Up: 18.30.0.0/15
Can't show all results, try to descend to a more specific CIDR
Down left: 18.30.0.0/17
Down right: 18.30.128.0/17

IP	Type	Hostname
18.30.15.130	PTR	dhcp-18-30-15-130.dyn.mit.edu
18.30.24.188	PTR	dhcp-18-30-24-188.dyn.mit.edu
18.30.113.215	PTR	dhcp-18-30-113-215.dyn.mit.edu
18.30.113.215	A	ns2.ns1.mail.0043316d91320922aa9bb67676200da6c47044d428473aeb76a4aba3.6.ewsxz.com
18.30.137.42	A	1xbet-zerkalo-rabochee.ru
18.30.240.77	A	ns1.ns2.518c2506e57106779f0cf55fcfd14fb065d00efe1d5a5a2a9b2d684d.6.mjuyh.com