166.111.4.40 — AS4538 ERX-CERNET-BKB

A record for

`id.tsinghua.edu.cn`
	A	2402:f000:1:402:101:6:15:67
	A	166.111.4.40
`auth.cic.tsinghua.edu.cn`
	A	166.111.4.40

IP numbers used in conjunction

50%	2402:f000:1:402:101:6:15:67

🛡️Is this IP blacklisted?Check against 50+ spam databases→🌐166.111.4.0/24256 IPs · AS4538 ERX-CERNET-BKB→🔧AS4538ERX-CERNET-BKB autonomous system→^{🇨🇳 ERX-CERNET-BKB166.111.4.0/24 CMI (Customer Route)}