Robtex

Up: 149.20.32.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 149.20.32.0/25
Down right: 149.20.32.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
149.20.32.0	PTR	blue.sfo2.isc.org
149.20.32.8	PTR	sprocket.isc.org
149.20.32.15	A+PTR	asterisk.isc.org
149.20.32.15	A	*.amulet2u.com
149.20.32.15	A	ns1.amulet2u.com.amulet2u.com
149.20.32.37	PTR	s4.sfo2.isc.org