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portal2.ntua.edu.tw checked at 2025-10-13T09:30:41.991Z 43ms 27/27/27 100% R:6

`portal2.ntua.edu.tw`

A	140.131.21.41^{🇹🇼 Taiwan Academic Network(TANet)}
		PTR	`cc.ntua.edu.tw`
		PTR	`portal2.ntua.edu.tw`

rank #99040 globally
rank #290 in the tld

41.21.131.140.in-addr.arpa

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portal2.ntua.edu.tw resolves to one IP number: 140.131.21.41.

Other host names, for example cc.ntua.edu.tw, share IP numbers with portal2.ntua.edu.tw.

dbq