old_contents: # encoding: utf-8
  """
  asn.py
  
  Created by Thomas Mangin on 2010-01-15.
  Copyright (c) 2010-2012 Exa Networks. All rights reserved.
  """
  
  
  from struct import pack
  
  # =================================================================== ASN
  
  class ASN (int):
  	def asn4 (self):
  		return self > pow(2,16)
  
  	def pack (self,asn4=None):
  		if asn4 is None:
  			asn4 = self.asn4()
  		if asn4:
  			return pack('!L',self)
  		return pack('!H',self)
  
  	def __len__ (self):
  		if self.asn4():
  			return 4
  		return 2
  
  	def extract (self):
  		return [pack('!L',self)]
  
  	def trans (self):
  		if self.asn4():
  			return AS_TRANS.pack()
  		return self.pack()
  
  AS_TRANS = ASN(23456)
  
new_contents: # encoding: utf-8
  """
  asn.py
  
  Created by Thomas Mangin on 2010-01-15.
  Copyright (c) 2010-2012 Exa Networks. All rights reserved.
  """
  
  
  from struct import pack
  
  # =================================================================== ASN
  
  class ASN (long):
  	def asn4 (self):
  		return self > pow(2,16)
  
  	def pack (self,asn4=None):
  		if asn4 is None:
  			asn4 = self.asn4()
  		if asn4:
  			return pack('!L',self)
  		return pack('!H',self)
  
  	def __len__ (self):
  		if self.asn4():
  			return 4
  		return 2
  
  	def extract (self):
  		return [pack('!L',self)]
  
  	def trans (self):
  		if self.asn4():
  			return AS_TRANS.pack()
  		return self.pack()
  
  AS_TRANS = ASN(23456)
  
subject: fix bug with large ASN4 (value) in as-path