ORIGIN attribute
AssessTechniques
A mandatory BGP path attribute that indicates how a route was injected into BGP.
Why it's here
Placed in Assess: 1 article(s) of evidence from 1 source(s), led by research-stage coverage, with 1 in the last 30 days. Confidence 24%. Low accumulated evidence, so it defaults conservatively pending more signal.
Evidence (1)
- 7Cloudflare Blog·7/24/2026researchCloudflare Finds Widespread BGP ORIGIN Attribute Changes
Cloudflare reports that its measurements found around 70% of observed BGP paths across many vantage points had an ORIGIN value different from what the originating AS set. The company explains that ORIGIN is supposed to remain unchanged after injection into BGP, but altering it can influence route selection and shift traffic toward particular networks.