5.11.3.1.3. Internet number slang (网络数字语言)
https://newrepublic.com/article/117608/chinese-number-websites-secret-meaning-urls highlights how numeric emails and URLs are especially popular in China, in part due to the ASCII/West-centrism of web standards: https://www.quora.com/What-is-126-com-and-why-are-they-the-owner-of-millions-of-good-domain-names/answer/Ciro-Santilli
Examples in this page:
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996.ICU (2019) is an example that is not phonetic, but just about meaning
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六四 used to refer to Tiananmen Square Protests of 1989 (六四事件)
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https://www.12321.cn/web and http://12377.cn from CAC report website (12321.cn, 12377.cn, 12339, 中央网信办举报网站) are likely examples where older well known official phone numbers were just directly converted to URLs
Bibliography:
https://newrepublic.com/article/117608/chinese-number-websites-secret-meaning-urls highlights how numeric emails and URLs are especially popular in China, in part due to the ASCII/West-centrism of web standards: https://www.quora.com/What-is-126-com-and-why-are-they-the-owner-of-millions-of-good-domain-names/answer/Ciro-Santilli
Examples in this page:
-
996.ICU (2019) is an example that is not phonetic, but just about meaning
-
六四 used to refer to Tiananmen Square Protests of 1989 (六四事件)
-
https://www.12321.cn/web and http://12377.cn from CAC report website (12321.cn, 12377.cn, 12339, 中央网信办举报网站) are likely examples where older well known official phone numbers were just directly converted to URLs
Bibliography: