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by kstrauser 481 days ago
RFC 3177[0] says:

"In particular, we recommend:

- Home network subscribers, connecting through on-demand or always-on connections should receive a /48.

- Small and large enterprises should receive a /48.

- Very large subscribers could receive a /47 or slightly shorter prefix, or multiple /48's.

There was some walking that back in later RFCs, arguing that home customers could get by with just a /56.

[0] https://www.rfc-editor.org/rfc/rfc3177.txt