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

PTR

dns2.sz.tsinghua.edu.cn

A record for

`dns1.tbsi.edu.cn`
	A	219.223.190.66
`sz.tsinghua.edu.cn`
	A	219.223.190.2
	A	219.223.190.66
`dns2.sigs.tsinghua.edu.cn`
	A	219.223.190.66
`dns2.sz.tsinghua.edu.cn`
	A	219.223.190.66

Previously A record for

sigs.tsinghua.edu.cn

IP numbers used in conjunction

25%	219.223.190.2

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Shenzhen, Guangdong, 🇨🇳 China

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

219.223.190.66 Shenzhen, Guangdong, 🇨🇳 China Courtesy of