121.251.56.1 — Shanghai, Shanghai, 🇨🇳 China · AS4538 ERX-CERNET-BKB

PTR

dns1.mastc.edu.cn

A record for

`dns1.mastc.edu.cn`
	A	2001:da8:d80a:2::11
	A	121.251.56.1

IP numbers used in conjunction

100%	2001:da8:d80a:2::11

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Shanghai, Shanghai, 🇨🇳 China

^{🇨🇳 ERX-CERNET-BKB121.251.56.0/23 PACNET (proxy-registered route object)}

121.251.56.1 Shanghai, Shanghai, 🇨🇳 China Courtesy of