Robtex

Up: 157.150.240.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 157.150.241.0/25
Down right: 157.150.241.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
157.150.241.16	A+PTR	unasav5.un.org
157.150.241.16	A	unasav5.un.org.acnudh.org
157.150.241.16	A	unasav5.un.org.eclac.org
157.150.241.17	A+PTR	unasav6.un.org
157.150.241.17	A	unasav6.un.org.cepal.org
157.150.241.17	A	unasav6.un.org.eclac.org
157.150.241.25	A	ns3.un.org
157.150.241.47	PTR	mail.unite.un.org
157.150.241.47	A	mail.gslb.un.org