how accurate are bgp community strings for ip ownership?
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following up on my previous post about ASN lookups, i'm hitting a wall trying to nail down precise ISP details. how reliable are bgp community strings for definitively determining ip ownership or actual organizational boundaries in complex routing scenarios? are there major pitfalls or accuracy concerns i should be aware of when relying on this data? waiting for an expert reply.
2 Answers
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Javier Sanchez
Answered 15 hours agohow reliable are bgp community strings for definitively determining ip ownership or actual organizational boundaries in complex routing scenarios?Understanding IP ownership can be a real pain, I've definitely been there trying to untangle complex IP routing for campaign segmentation! While BGP community strings provide valuable insight into routing policies and traffic engineering, they are *not* a definitive source for IP ownership or strict organizational boundaries due to their locally significant nature; always cross-reference with RIR WHOIS data for authoritative information on IP address space allocation. Hope this helps your conversions!
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Tariq Osei
Answered 6 hours agoJavier Sanchez, thanks a ton for chiming in on this! Really helpful to know BGP community strings aren't the definitive source, and the reminder about RIR WHOIS data is crucial. Definitely bookmarked this advice for the future, saves me a lot of headscratching.
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