Smallest RIPE NCC Allocation /Assignment Sizes

Joao Luis Silva Damas 
Nurani Nimpuno
RIPE NCC 

Document ID: ripe-222 
Date: 22 May 2001 
Obsoletes: ripe-211 

This document contains the size of the minimum and default allocations
made by the RIPE NCC to users from CIDR blocks assigned to the RIPE
NCC by the Internet Assigned Numbers Authority (IANA).


"Default allocation" refers to the amount of addresses, in prefix
notation, that are allocated to users by default.

"Smallest allocation" refers to the size of the smallest allocation, in prefix
notation, made by the RIPE NCC to a user. 

Allocations or Assignments smaller than the default size have been
made to users requesting Provider Independent (PI) address space.

Routing decisions for blocks of address space are the sole
responsibility of network operators.

However, network operators taking routing decisions based on prefix
length are requested and encouraged to route at least blocks of sizes
corresponding to the "default allocation" and larger.

Users to whom small bloc