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RFC 4632, "Classless Inter-domain Routing (CIDR): The Internet Address Assignment and Aggregation Plan", August 2006

Source of RFC: grow (ops)
See Also: RFC 4632w/ inline errata

Errata ID: 3485
Status: Verified
Type: Technical
Publication Format(s) : TEXT

Reported By: Markus Falb
Date Reported: 2013-02-18
Verifier Name: RonBonica
Date Verified: 2013-02-18

Section 2 says:

three classes of networks: Class A
(most significant address bits '00'), with 128 possible networks each
and 16777216 end systems

It should say:

three classes of networks: Class A
(most significant address bit '0'), with 128 possible networks each
and 16777216 end systems

Notes:

MSB bits ’00’ would mean that only 6 bits are available for the network part and this would mean only 64 CLASS A networks.

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