[uylug-varios] Fwd: [arin-ppml] ARIN returns some IPv4 address space to IANA

Tue Jun 12 07:36:48 PDT 2012

Hola!

Relacionado un poco con las conversaciones sobre gobernanza de Internet
que tuvimos en la lista hace un tiempo, les reenvio un anuncio de ARIN
(el registro regional de direcciones de America del Norte) por el cual
van a devolver una cantidad importante de espacio IPv4 a IANA (el
registro central del cual los registros regionales recibimos espacio).

Por razones históricas, ARIN es el registro que mas espacio legado tiene
y el que mas capacidad de hacer devoluciones de este tipo.

El espacio devuelto es mas o menos equivalente a un /8 (~16 millones de
direcciones), pero como veran mas abajo, esta bastante fragmentado, por
lo cual no esta claro como va a ser la mejor manera de usarlo.

No pude dejar de notar que dentro del espacio devuelto hay unos primos
del bloque de SECIU, dentro de la 164/8 :-)

s2

Carlos

-------- Original Message --------
Subject: 	[arin-ppml] ARIN returns some IPv4 address space to IANA
Date: 	Mon, 11 Jun 2012 18:01:19 -0400
From: 	ARIN <info at arin.net>
To: 	ppml at arin.net

<<Apologies for duplicates>>

Given the recent ICANN Board adoption of Global Policy 
Proposal-IPv4–2011, the ARIN Board of Trustees at its 6 June meeting 
directed ARIN staff to return to the IANA the IPv4 address blocks that 
have been voluntarily returned to ARIN in recent years. The total amount 
of space being returned to the IANA amounts to roughly a /8 equivalent 
and includes the large block of IPv4 addresses returned to ARIN by 
Interop in 2010.

Below is the final list of address space that has been returned to the 
IANA and this will be reflected in ARIN's database within the next few 
hours.

45.2.0.0/15
45.4.0.0/14
45.8.0.0/13
45.16.0.0/12
45.32.0.0/11
45.64.0.0/10
45.128.0.0/9
66.218.132.0/23
66.251.128.0/18
72.44.16.0/20
74.91.48.0/20
144.48.0.0/16
162.12.196.0/22
162.12.200.0/21
162.12.208.0/21
162.12.216.0/22
162.12.224.0/21
162.12.232.0/22
162.12.240.0/21
192.75.4.0/24
192.75.137.0/24
192.75.236.0/24
192.147.11.0/24
192.156.202.0/24
192.197.113.0/24
192.231.238.0/24
198.17.79.0/24
199.21.172.0/22
199.212.57.0/24
204.8.204.0/22
204.11.0.0/22
204.48.32.0/23
204.52.191.0/24
204.225.42.0/23
205.211.83.0/24
207.115.112.0/20
208.73.240.0/22
208.85.156.0/22
209.107.128.0/18
216.98.208.0/20
216.250.96.0/20

Regards,

Communications and Member Services
American Registry for Internet Numbers (ARIN)

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