Robtex

Up: 144.224.0.0/15
Can't show all results, try to descend to a more specific CIDR
Down left: 144.224.0.0/17
Down right: 144.224.128.0/17
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
144.224.17.2	PTR	sl-sprin904-466404-0.sprintlink.net
144.224.20.254	A	fddi_sw-kc-2.sprintlink.net
144.224.21.10	A+PTR	sl-mitel4-479044-0.sprintlink.net
144.224.21.166	A	sl-magna-intl-1-0.sprintlink.net
144.224.21.182	A	sl-shuhart-136001-1.sprintlink.net
144.224.21.182	A	sl-shuhart-136001-0.sprintlink.net
144.224.23.5	A	sl-gw21-kc-1-0-3-12-ts0.sprintlink.net
144.224.24.38	A	sl-spreisfr-369901-1.sprintlink.net
144.224.24.38	A	sl-spreisfr-369901-0.sprintlink.net
144.224.28.37	PTR	sl-crs2-phx-be250.sprintlink.net
144.224.28.37	PTR	sl-crs2-phx-.sprintlink.net
144.224.112.106	A	sl-upssp3-488482-0.sprintlink.net
144.224.112.106	A	sl-upssp3-488482-3.sprintlink.net
144.224.112.106	A	sl-upssp3-488482-1.sprintlink.net