Tiscali International Network (TINet) BGP Community String

Communities of Tiscali International Network (TINet) - AS3257

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This is the list of BGP communities that can be set by customers

(after engineering@ip.tiscali.net approval):

• 3257:1030 do not announce to upstream.
• 3257:1031 prepend 1x to upstream.
• 3257:1032 prepend 2x to upstream.
• 3257:1033 prepend 3x to upstream.

• 3257:2490 do not announce in Europe.
• 3257:2491 prepend 1x in Europe.
• 3257:2492 prepend 2x in Europe.
• 3257:2493 prepend 3x in Europe.

• 3257:2990 do not announce in the US.
• 3257:2991 prepend 1x in the US.
• 3257:2992 prepend 2x in the US.
• 3257:2993 prepend 3x in the US.

• 3257:1980 - give routes localpref below normal customer route.
• 3257:1970 - give routes localpref below normal peer route.
• 3257:1960 - give routes localpref below transit route.

Communities that are sent on customer BGP sessions:

• 3257:1xxx and 3257:2xxx control route behaviour in our network, for customer to steer incoming traffic (see above).
• 3257:3xxx tags private peerings, for customer to steer outbound traffic.
• 3257:4000 tags TINet customer route.
• 3257:4010-4499 tags EU exchanges (detailed list available on request).
• 3257:4500-4999 tags US exchanges (detailed list available on request).

the 3257:50xx communities are used to tag the geographic region of route
entrance into our network (where xx represents the country code) e.g.:

• 3257:5010 route originated in the US
• 3257:5030 route originated in GR
• 3257:5031 route originated in NL
• 3257:5032 route originated in BE
• 3257:5033 route originated in FR
• 3257:5034 route originated in ES
• 3257:5352 route originated in LU
• 3257:5353 route originated in IE
• 3257:5039 route originated in IT
• 3257:5041 route originated in CH
• 3257:5042 route originated in CZ
• 3257:5043 route originated in AT
• 3257:5044 route originated in UK
• 3257:5045 route originated in DK
• 3257:5046 route originated in SE
• 3257:5047 route originated in NO
• 3257:5049 route originated in DE
• 3257:5852 route originated in HK (Hong Kong)
• 3257:5099 multi-national prefix