Provider certification record

Irontec, Internet y sistemas sobre GNU/Linux, S.L.

Listed

Identity

Legal business name: Irontec, Internet y sistemas sobre GNU/Linux, S.L.
Doing-business-as
Foreign Voice Service Provider: Yes
Business address: Uribitarte, 6-2, Bizkaia 48001 Bilbao, Spain
Filing contact: Ibai Perez
Mr. · Communications
iperez@irontec.com
+34 944 04 81 82
Uribitarte, 6-2 Bizkaia 48001 Bilbao, Spain
Spain
Principals, Affiliates, Subsidiaries, and Parent Companies: Tekpolio S.L. Onatrium Tec S.L. Blackslot S.L. Irontec Seguridad S.L. Irontec Madrid S.L. Brain & Code

Provider role(s): Voice service provider
STIR/SHAKEN implementation: Role Implementation
Voice service provider None
Overall None
Exemption rules: 47 CFR § 64.6305(d)(2)(i). Irontec, Internet y sistemas sobre GNU/Linux, S.L. is a foreign voice service provider that does not control the network infrastructure necessary to implement the STIR/SHAKEN authentication framework on traffic destined for the United States. The company originates and manages voice traffic on its own switching platform, from which it is routed to an international transit provider that performs the technical delivery of calls to their destinations in the United States. As a foreign provider, Irontec, Internet y sistemas sobre GNU/Linux, S.L. has no access to a Service Provider Code (SPC) token, no direct access to North American Numbering Plan (NANP) numbering resources, and no facilities on U.S. public telephone networks on which to perform STIR/SHAKEN signing.

Role	Implementation
Voice service provider	None
Overall	None

Date	Event	Detail / diff
2026-08-14	New	Initial certification filed and added to database.