137.189.6.21 — Hong Kong, Hong Kong, 🇭🇰 Hong Kong · AS3661 ERX-CUHKNET

PTR

ovis.itsc.cuhk.edu.hk

A record for

`ns2.cuhk.hk`
	A	137.189.6.21
`ns5.cernet.net`
	A	2402:f000:1:801::8:30
	A	2405:3000:3:6::15
	A	137.189.6.21
	A	166.111.8.30
`ns2.cuhk.edu.hk`
	A	2405:3000:3:6::15
	A	137.189.6.21
`y.hkirc.net.hk`
	A	2405:3000:3:6::15
	A	137.189.6.21
`ovis.itsc.cuhk.edu.hk`
	A	137.189.6.21

IP numbers used in conjunction

60%	2405:3000:3:6::15
20%	2402:f000:1:801::8:30
20%	166.111.8.30

🛡️Is this IP blacklisted?Check against 50+ spam databases→🌐137.189.0.0/1666K IPs · AS3661 ERX-CUHKNET→🔧AS3661ERX-CUHKNET autonomous system→

Hong Kong, Hong Kong, 🇭🇰 Hong Kong

^{🇭🇰 ERX-CUHKNET137.189.0.0/16 Chinese University of Hong Kong (The) Information Technology Service Centre G/F., Pi-Chiu Building CUHK}

137.189.6.21 Hong Kong, Hong Kong, 🇭🇰 Hong Kong Courtesy of