Robtex

Up: 161.26.0.0/15
Can't show all results, try to descend to a more specific CIDR
Down left: 161.27.0.0/17
Down right: 161.27.128.0/17

IP	Type	Hostname
161.27.0.0	PTR	test-161-27-0-0.net.psmidc.com
161.27.0.2	PTR	test-161-27-0-2.net.psmidc.com
161.27.2.3	PTR	host-161-27-2-3.net.psmidc.com
161.27.8.2	PTR	host-161-27-8-2.net.psmidc.com
161.27.154.1	PTR	host-161-27-154-1.net.psmidc.com
161.27.155.1	PTR	host-161-27-155-1.net.psmidc.com
161.27.155.2	PTR	host-161-27-155-2.net.psmidc.com
161.27.192.107	A	ertdfgwredasw.ooo
161.27.192.219	A	mail.ns1.mail.6.umikl.com
161.27.223.3	PTR	host-161-27-223-3.net.psmidc.com