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From: barns@GATEWAY.MITRE.ORG
Newsgroups: comp.protocols.iso
Subject: Re: Current Internation DNIC list?
Message-ID: <9008271234.AA23513@gateway.mitre.org>
Date: 27 Aug 90 12:34:29 GMT
References: <331@public.BTR.COM>
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I hope you find a source; I don't know of one myself, but would like to.

Actually these DNICs get assigned in two parts.  There is a Data Country
Code of 3 digits and a network digit.  The list of Data Country Codes is
published in the body of CCITT Rec. X.121.  The network digits are
assigned by national bodies and as a last resort, can presumably be
found out from them.  It was my understanding that in the USA, the
network digits are allocated by the Federal Communications Commission.
According to Rec. X.121, the CCITT Secretariat is supposed to be notified
of network digit assignments.  Assignment of new DCCs is made by the
Director of the CCITT upon request by a member country of the ITU, and
the assignment of new DCCs is (it says here..) published in the
Operational Bulletin of the ITU.  It doesn't say that they ever publish
the network digit assignments, but there's probably a list in some
pigeonhole over in the Palace of Nations, I suppose.

(Soap Box) It is less than pleasing to note that there are CCITT Data
Country Codes and ISO Data Country Codes (see ISO 3166).  The ISO DCCs
have among their many forms a 3-digit numeric form, but the values are
completely different from the CCITT DCCs.  For example, according to
X.121 the DCC for the USA is 310, but according to ISO 3166, it's 840.
"The nice thing about standards is that there are so many to choose from."

Bill Barns / MITRE-Washington / barns@gateway.mitre.org