166.111.4.5 — AS4538 ERX-CERNET-BKB

PTR

dns.cic.tsinghua.edu.cn

A record for

`dns1.cls.edu.cn`
	A	166.111.4.5
`dns1.csadge.edu.cn`
	A	166.111.4.5
`dns1.mbacn.edu.cn`
	A	166.111.4.5
`dns.cic.tsinghua.edu.cn`
	A	2402:f000:1:404:166:111:4:5
	A	166.111.4.5

Previously A record for

dns1.itsinghua.com

dns1.thss.tsinghua.edu.cn

IP numbers used in conjunction

25%	2402:f000:1:404:166:111:4:5

🛡️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)}