Robtex

Up: 147.250.0.0/15
Can't show all results, try to descend to a more specific CIDR
Down left: 147.250.0.0/17
Down right: 147.250.128.0/17
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
147.250.0.0	PTR	ensta.fr
147.250.1.1	A+PTR	ensta.ensta.fr
147.250.1.3	PTR	www1.ensta.fr
147.250.1.3	A	ensta-environnement.fr
147.250.1.4	A+PTR	3w2.ensta.fr
147.250.1.8	A	3w5.ensta.fr
147.250.10.3	A+PTR	ns3.ensta.fr
147.250.10.4	A+PTR	ns4.ensta.fr
147.250.10.20	A	news.ensta.fr
147.250.10.66	A	blackhole.ensta.fr
147.250.25.50	A+PTR	labox01.ensta.fr
147.250.42.4	A	data-ensta.fr
147.250.42.4	A	www.data-ensta.fr
147.250.42.101	A	bde-ottawa.com
147.250.130.5	A+PTR	yvette.ensta.fr
147.250.157.179	A	ns1.dncdtsixyl.us
147.250.157.179	A	ns2.dncdtsixyl.us
147.250.157.179	A	ns5.dncdtsixyl.us