Internet Assigned Numbers Authority

                                                             Public Data Network Numbers

   Last Updated
           2010-06-24

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   Registry included below

     * Public Data Network Numbers

Public Data Network Numbers

   Registration Procedure(s)

 Registrations no longer accepted

   Reference
           [RFC1356]

   Note

 One of the Class A networks (14.0.0.0/8) was used to map between Internet
 Addresses and the Public Data Network Addresses (X.121). This network was
 reclaimed by IANA in 2007 and was was subsequently re-allocated in 2010.
 See [IANA registry ipv4-address-space].

 See [RFC877] and [RFC1356] for historical information.

   No registrations at this time.

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