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

PTR

smtp.nbu.edu.cn

A record for

`smtp.nbu.edu.cn`
	A	2001:da8:e028:1000::11
	A	210.33.16.12
	A	210.33.16.13

Previously A record for

smtp2.nbu.edu.cn

IP numbers used in conjunction

100%	2001:da8:e028:1000::11
100%	210.33.16.12

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Shanghai, Shanghai, 🇨🇳 China

^{🇨🇳 ERX-CERNET-BKB210.33.16.0/21 CMI (Customer Route)}

210.33.16.13 Shanghai, Shanghai, 🇨🇳 China Courtesy of