BGP communities are a method to group a set of prefixes and apply some attributes, such as local preference, or route filtering, to all the members of that group. This grouping is done through assigning a "community" value to an IP prefix.

For example, a network administrator can create a community with the value 65000:100 and assign it to all the prefixes that belong to a specific customer. The routers in the network can then be configured to give a higher local preference to all prefixes that have that community value, ensuring that traffic for that customer will always be preferred over other customers.

A common use of BGP communities is to control the distribution of routes between different ASNs. For example, a network operator may use communities to ensure that only certain prefixes are exported to specific customers or peers.

This page lists known meanings of BGP communities for AS212934

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Full Listing:

	Community	Description
	64515:100	Infrastructure Prefix
	64515:150	Learned from Downstream
	212934:0:174	Learned from Cogent
	212934:0:835	Learned from GoCodeIT
	212934:1:1	Learned from OGIX
	212934:2:1	Learned from Peer
	212934:3:1	Learned from Downstream

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