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BGPStream vs bgp.tools: catalog facts
BGPStream	bgp.tools
Free Free and open source under the BSD-2-Clause license.	Freemium Free routing data and lookups; network, IRR and RPKI monitoring are paid.
Command line	Web
Works with live and historical BGP data Offers command-line, Python and C/C++ interfaces	Search by ASN, prefix, DNS name or MAC address Near realtime BGP data at no cost
Focused on BGP routing data analysis	Monitoring features require a paid account Assumes familiarity with BGP concepts
Downloadable app	Web application
Open source	Closed source
License: BSD-2-Clause	License not stated
Not stated if an account is needed	No account needed
Not stated if it works offline	Needs internet
Official website Full listing and sources Checked October 8, 2026	Official website Full listing and sources Checked September 23, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.