// Tool
BGP Communities Decoder
Decode BGP standard, large, and well-known communities. Includes curated reference data for major US/global transit networks. Communities are how ISPs let you signal routing intent across an AS boundary.
Format:
ASN:value for standard · ASN:func:param for large · also accepts well-known names// Reference
Common networks supported in lookup. Full lookup tables compiled from each ISP's public documentation.
AS174 Cogent
AS6453 TATA
AS3257 GTT
AS6939 Hurricane Electric
AS2914 NTT
AS1299 Arelion (Telia)
AS3356 Lumen (Level3)
AS13335 Cloudflare
AS7018 AT&T
AS701 Verizon
