Robtex

Up: 137.189.48.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 137.189.48.0/23
Down right: 137.189.50.0/23

IP	Type	Hostname
137.189.49.1	A+PTR	euler.math.cuhk.edu.hk
137.189.49.1	A	math.cuhk.edu.hk
137.189.49.2	A+PTR	euclid.math.cuhk.edu.hk
137.189.49.6	A	laplace.math.cuhk.edu.hk
137.189.49.7	A+PTR	hopf.math.cuhk.edu.hk
137.189.49.7	A	www.math.cuhk.edu.hk
137.189.49.201	A+PTR	newton.ims.cuhk.edu.hk
137.189.49.203	A+PTR	mail1.ims.cuhk.edu.hk
137.189.49.208	PTR	server1ims.ims.cuhk.edu.hk
137.189.50.2	A+PTR	www.bch.cuhk.edu.hk
137.189.50.182	A+PTR	xj80ebch.bch.cuhk.edu.hk
137.189.50.226	A+PTR	octopus.bch.cuhk.edu.hk
137.189.50.236	A+PTR	www.hkbic.bch.cuhk.edu.hk
137.189.50.236	A	www.bioethics.org.hk
137.189.50.236	A	bioethics.org.hk