Robtex

Up: 152.101.90.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 152.101.90.0/25
Down right: 152.101.90.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
152.101.90.5	PTR	pc005.hophing.com.hk
152.101.90.20	PTR	pc020.hophing.com.hk
152.101.90.22	PTR	pc022.hophing.com.hk
152.101.90.25	PTR	pc025.hophing.com.hk
152.101.90.26	PTR	pc026.hophing.com.hk
152.101.90.29	PTR	pc029.hophing.com.hk
152.101.90.37	PTR	pc037.hophing.com.hk
152.101.90.40	PTR	pc040.hophing.com.hk
152.101.90.41	PTR	pc041.hophing.com.hk
152.101.90.42	PTR	pc042.hophing.com.hk
152.101.90.46	PTR	pc046.hophing.com.hk
152.101.90.51	PTR	pc051.hophing.com.hk
152.101.90.53	PTR	pc053.hophing.com.hk
152.101.90.54	PTR	pc054.hophing.com.hk
152.101.90.55	PTR	pc055.hophing.com.hk
152.101.90.57	PTR	pc057.hophing.com.hk
152.101.90.58	PTR	pc058.hophing.com.hk
152.101.90.67	PTR	pc067.hophing.com.hk
152.101.90.69	PTR	pc069.hophing.com.hk
152.101.90.71	PTR	pc071.hophing.com.hk
152.101.90.74	PTR	pc074.hophing.com.hk
152.101.90.77	PTR	pc077.hophing.com.hk
152.101.90.82	PTR	pc082.hophing.com.hk
152.101.90.85	PTR	pc085.hophing.com.hk
152.101.90.89	PTR	pc089.hophing.com.hk
152.101.90.90	PTR	pc090.hophing.com.hk
152.101.90.92	PTR	pc092.hophing.com.hk
152.101.90.99	PTR	pc099.hophing.com.hk
152.101.90.108	PTR	pc108.hophing.com.hk
152.101.90.111	PTR	pc111.hophing.com.hk
152.101.90.113	PTR	pc113.hophing.com.hk
152.101.90.113	A	dphk.gopopupdate.com
152.101.90.114	PTR	pc114.hophing.com.hk
152.101.90.114	A	ulhk.gopopupdate.com
152.101.90.114	A	firehw.joinbr.com
152.101.90.115	PTR	pc115.hophing.com.hk
152.101.90.122	PTR	pc122.hophing.com.hk
152.101.90.131	PTR	pc131.hophing.com.hk
152.101.90.132	PTR	pc132.hophing.com.hk
152.101.90.136	PTR	pc136.hophing.com.hk
152.101.90.143	PTR	pc143.hophing.com.hk
152.101.90.151	PTR	pc151.hophing.com.hk
152.101.90.158	PTR	pc158.hophing.com.hk
152.101.90.160	PTR	pc160.hophing.com.hk
152.101.90.161	PTR	pc161.hophing.com.hk
152.101.90.162	PTR	pc162.hophing.com.hk
152.101.90.167	PTR	pc167.hophing.com.hk
152.101.90.170	PTR	pc170.hophing.com.hk
152.101.90.173	PTR	pc173.hophing.com.hk
152.101.90.178	PTR	pc178.hophing.com.hk
152.101.90.179	PTR	pc179.hophing.com.hk
152.101.90.181	PTR	pc181.hophing.com.hk
152.101.90.190	PTR	pc190.hophing.com.hk
152.101.90.197	PTR	pc197.hophing.com.hk
152.101.90.199	PTR	pc199.hophing.com.hk
152.101.90.204	PTR	pc204.hophing.com.hk
152.101.90.211	PTR	pc211.hophing.com.hk
152.101.90.216	PTR	pc216.hophing.com.hk
152.101.90.217	PTR	pc217.hophing.com.hk
152.101.90.225	PTR	pc225.hophing.com.hk
152.101.90.226	PTR	pc226.hophing.com.hk
152.101.90.231	PTR	pc231.hophing.com.hk
152.101.90.232	PTR	pc232.hophing.com.hk
152.101.90.238	PTR	pc238.hophing.com.hk
152.101.90.239	PTR	pc239.hophing.com.hk
152.101.90.241	PTR	pc241.hophing.com.hk
152.101.90.247	PTR	pc247.hophing.com.hk
152.101.90.248	PTR	pc248.hophing.com.hk
152.101.90.253	PTR	pc253.hophing.com.hk
152.101.90.254	PTR	pc254.hophing.com.hk