Robtex

Up: 137.189.98.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 137.189.98.0/25
Down right: 137.189.98.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
137.189.98.1	PTR	firewall.ie.cuhk.edu.hk
137.189.98.31	A	137.189.98.31.ip4.nyucd.net
137.189.98.208	PTR	planetlab1.ie.cuhk.edu.hk
137.189.98.208	A	mondex.ro.http.l2.l1.l0.nyucd.net
137.189.98.208	A	www.www-escorta-ta-ro.http.l2.l1.l0.nyucd.net
137.189.98.209	A	mondex.ro.http.l2.l1.l0.nyucd.net
137.189.98.209	A	groupvertical.com.http.l2.l1.l0.nyucd.net
137.189.98.209	A	abaceeli.ro.http.l2.l1.l0.nyucd.net
137.189.98.213	PTR	planetlab2.ie.cuhk.edu.hk
137.189.98.213	A	rtsakwc.www-escort-e-ro.http.l2.l1.l0.nyucd.net
137.189.98.213	A	*.8080.nyud.net