Robtex

Up: 137.189.240.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 137.189.248.0/22
Down right: 137.189.252.0/22

IP	Type	Hostname
137.189.249.250	A	h249250.resnet.cuhk.edu.hk
137.189.252.10	A+PTR	h252010.resnet.cuhk.edu.hk
137.189.252.26	PTR	h252026.resnet.cuhk.edu.hk
137.189.252.84	A	h252084.resnet.cuhk.edu.hk
137.189.252.100	A	h252100.resnet.cuhk.edu.hk
137.189.252.119	A	h252119.resnet.cuhk.edu.hk
137.189.252.193	A	h252193.resnet.cuhk.edu.hk
137.189.253.7	A	h253007.resnet.cuhk.edu.hk
137.189.253.194	PTR	h253194.resnet.cuhk.edu.hk
137.189.254.21	A	h254021.resnet.cuhk.edu.hk
137.189.255.185	PTR	h255185.resnet.cuhk.edu.hk