219.223.190.2 — Shenzhen, Guangdong, 🇨🇳 China · AS4538 ERX-CERNET-BKB

PTR

dns.sz.tsinghua.edu.cn

A record for

`tbsi.edu.cn`
	A	219.223.190.2
	A	219.223.191.87
`dns.tbsi.edu.cn`
	A	219.223.190.2
`sigs.tsinghua.edu.cn`
	A	219.223.190.2
	A	219.223.190.66
	A	219.223.191.87
`sz.tsinghua.edu.cn`
	A	219.223.190.2
	A	219.223.190.66
`dns.sigs.tsinghua.edu.cn`
	A	219.223.190.2
`dns.sz.tsinghua.edu.cn`
	A	219.223.190.2

Previously A record for

tbsi.tsinghua.edu.cn

sig-lite.com

IP numbers used in conjunction

33%	219.223.191.87
33%	219.223.190.66

🛡️Is this IP blacklisted?Check against 50+ spam databases→🌐219.223.190.0/24256 IPs · AS4538 ERX-CERNET-BKB→🔧AS4538ERX-CERNET-BKB autonomous system→

Shenzhen, Guangdong, 🇨🇳 China

^{🇨🇳 ERX-CERNET-BKB219.223.190.0/24 CMI (Customer Route)}

219.223.190.2 Shenzhen, Guangdong, 🇨🇳 China Courtesy of