Stop Trusting Vendor Domains. Allow-List the ASN.
AI and SaaS vendors change IPs constantly. Build an allow-list from published prefixes and live origin ASNs, then verify with BGP lookup, RDAP, and RPKI.
THE BGPLOOKUP JOURNAL
Category: <span>Business Network Hygiene</span>
Business Network Hygiene: Prefixes, Vendors, and Incident Evidence
A practical hygiene program for business networks: inventory prefixes and ASNs, vet vendor IPs, prepare hijack evidence, and use live BGP tools in IR.