Robtex

Up: 142.91.12.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 142.91.12.0/25
Down right: 142.91.12.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
142.91.12.0	PTR	142.91.12.0.rdns.ubiquity.io
142.91.12.43	PTR	142.91.12.43.rdns.ubiquity.io
142.91.12.49	PTR	142.91.12.49.rdns.as15003.net
142.91.12.72	A	vlkn.biz
142.91.12.72	A	24c1ud-win.com
142.91.12.72	A	bonys-cv.net
142.91.12.90	PTR	142.91.12.90.rdns.as15003.net
142.91.12.108	PTR	142.91.12.108.rdns.as15003.net
142.91.12.255	PTR	142.91.12.255.rdns.ubiquity.io