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

PTR

mail.tbsi.tsinghua.edu.cn

A record for

`mail.sigs.tsinghua.edu.cn`
	A	219.223.190.136
`mail.sz.tsinghua.edu.cn`
	A	219.223.190.136

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Shenzhen, Guangdong, 🇨🇳 China

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

219.223.190.136 Shenzhen, Guangdong, 🇨🇳 China Courtesy of