Trust
Check us yourself.
Whisper runs its own autonomous system, AS219419, with RPKI-signed announcements you can check at stat.ripe.net without asking us. Our CEO was CIO of RIPE NCC and architected K-root.
Who built it.
Each name links to a public profile, so every credential here can be checked against a record we do not control.
Kaveh Ranjbar
Co-founder and CEO
Former CIO of RIPE NCC and the architect of K-root, the DNS root server RIPE NCC operates. Twenty-five years in internet infrastructure.
Soroush Rafiee Rad
Co-founder and CPSO
Mathematician with doctorates in mathematical logic and in philosophy of science. Architect of Whisper's knowledge graph and the models that run on it.
Named, not described.
Maarten Botterman
Former Chair of the ICANN Board
Nine years on the ICANN Board, three of them as its Chair, and more than 25 years in internet governance.
Geoff Huston
Chief Scientist, APNIC
Internet pioneer and a leading authority on BGP routing, internet measurement and protocol design.
Jeff Osborn
President, Internet Systems Consortium
Leads ISC, which maintains BIND and DHCP. Earlier at UUNET and MakerBot.
Merike Kaeo
Founder, Double Shot Security
More than 20 years in cybersecurity and a former Cisco security leader. Helped coordinate international cooperation during Estonia's 2007 cyberattack response.
Jonathan Cave
Economist, former Turing Fellow
More than 30 years at the RAND Corporation, working on technology policy and digital economics.
Our network, checked from outside.
Whisper announces its own address space from AS219419. RIPE NCC's public RIPEstat tool shows who holds it, which prefixes it originates and whether each announcement is covered by a valid RPKI signature. You need no account, and you do not need us.
Who holds it
RIPEstat lists the holder of AS219419 as viaGraph B.V.
What it announces
Every prefix AS219419 originates, with its routing history.
Whether it is signed
The RPKI status of each announcement. Ours read valid.
Who is responsible for it.
- Controlling entity
viaGraph B.V., Keizersgracht 520H, Amsterdam, the Netherlands
Whisper Security is the trading name of viaGraph B.V., the party to our terms.
- Network
AS219419, held by viaGraph B.V.
Recorded
What you can test from outside.
We state our posture as things you can test, not as a badge. Each point here can be checked from any machine on the internet.
Signed routing
AS219419's announcements are covered by valid RPKI signatures.
Signed DNS
whisper.security and whisper.online are DNSSEC-signed, with DS records in their parent zones.
HTTPS only
This site sends HSTS for two years, covering subdomains, with the preload directive.
A signed security contact
Our security.txt is PGP-signed and carries an expiry date, as RFC 9116 sets out.
Uptime, in public.
The status page shows the current state of the graph, this website and the MCP server, and their incident history.
Where to write.
The security address is the one our signed security.txt publishes.
security@whisper.security
Vulnerability reports and security questions.
privacy@whisper.security
Requests about your personal data, as our Privacy Policy sets out.
Found something? Tell us.
Send reports to security@whisper.security, and encrypt anything sensitive with our OpenPGP key. Our disclosure policy sets out what is in scope, what is not, and the safe harbour we give good-faith research.