219.223.223.100 — AS4538 ERX-CERNET-BKB

A record for

`proxy.pkusz.edu.cn`
	A	219.223.223.100
`v6.proxy.pkusz.edu.cn`
	A	2001:250:3c1a:208:dbdf:df64::
	A	219.223.223.100

IP numbers used in conjunction

50%	2001:250:3c1a:208:dbdf:df64::

🛡️Is this IP blacklisted?Check against 50+ spam databases→🌐219.223.220.0/221K IPs · AS4538 ERX-CERNET-BKB→🔧AS4538ERX-CERNET-BKB autonomous system→^{🇨🇳 ERX-CERNET-BKB219.223.220.0/22}