Robtex

Up: 216.31.112.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 216.31.112.0/24
Down right: 216.31.113.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
216.31.112.11	PTR	mail.higherspeed.net
216.31.112.11	A	mail.higher-speed.net
216.31.112.11	A	higherspeed.net
216.31.112.12	PTR	216-31-112-12.static.moriarty.higherspeed.net
216.31.112.12	A	higher-speed.com
216.31.112.18	PTR	216-31-112-18.static.moriarty.higherspeed.net
216.31.112.18	A	juliaducharme.com
216.31.112.18	A	1n1sap.com
216.31.112.100	PTR	216-31-112-100.static.moriarty.higherspeed.net
216.31.113.88	PTR	216-031-113-88.abq.static.fttx.citylinkfiber.net