202.112.128.51 — AS4538 ERX-CERNET-BKB

PTR

ns.lib.buaa.edu.cn

A record for

`ns1.buaa.edu.cn`
	A	2001:da8:203:510::2
	A	202.112.128.51
`ns.lib.buaa.edu.cn`
	A	202.112.128.50
	A	202.112.128.51

IP numbers used in conjunction

50%	2001:da8:203:510::2
50%	202.112.128.50

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