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Filters on Class B space; is will /19 pass?

  • From: CSTALLER
  • Date: Wed Jan 22 15:02:01 2003

Fellow Networkers,


I have a question regarding current filtering 
rules/practices on the Internet and prefix length 
requirements for Class B space. I know that the ARIN
space (64/8, 66/8 etc.) must be accepted at /19 or 
smaller but what about old class Bs? I have a global 
organization that has a 152.x.x.x /16. I currently I 
have 2 /19s out of POPs in the US and the 
aggregate /16 being advertised. I would like to give 
some of these /19s to other regions such as Europe, 
Japan, India, ASIA etc. The carrier selection in 
these regions will be different than what I have in 
the US. I want to know if anyone is filtering /19s 
for these networks. Any other information that I 
should be aware of in this scenario would also be very 
much appreciated. Thanks in advance.


Regards,

Curtis Staller 
CCIE # 9059






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