Robtex

Up: 137.189.90.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 137.189.91.0/25
Down right: 137.189.91.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
137.189.91.187	A+PTR	beryl.cse.cuhk.edu.hk
137.189.91.187	A	ns1.cse.cuhk.edu.hk
137.189.91.187	A	ns1.cs.cuhk.edu.hk
137.189.91.188	A+PTR	garden.cse.cuhk.edu.hk
137.189.91.188	A	garden.cs.cuhk.edu.hk
137.189.91.189	A+PTR	sapphire.cse.cuhk.edu.hk
137.189.91.189	A	sapphire.cs.cuhk.edu.hk
137.189.91.190	A+PTR	cucs18.cse.cuhk.edu.hk
137.189.91.190	A	cucs18.cs.cuhk.edu.hk
137.189.91.192	A+PTR	fortress.cse.cuhk.edu.hk
137.189.91.192	A	www.wsdm2011.org
137.189.91.192	A	www.cs.cuhk.hk