AS766

Summary

Country	Spain
Organization	Entidad Publica Empresarial Red.es
Domain	rediris.es
Number of IPv4	1,371,648
Number of IPv6	7.9229× 1028
AS Type	Business
Registry	RIPE NCC
Allocated	September 16, 2002 (about 23 years ago)
Updated	September 16, 2025 (about 1 months ago)

IP Ranges

AS766 announces 31 IPv4 ranges and 2 IPv6 ranges.

That's a total of 1,371,648 IPv4 addresses and 7.9229× 10²⁸ IPv6 addresses.

Prefix	Organization	Size	Registry	Status
130.206.0.0/16	Entidad Publica Empresarial Red.es	65,536	RIPE NCC	LEGACY
138.4.0.0/16	Universidad Politecnica De Madrid	65,536	RIPE NCC	LEGACY
138.100.0.0/16	Universidad Politecnica De Madrid	65,536	RIPE NCC	LEGACY
147.96.0.0/16	Universidad Complutense De Madrid	65,536	RIPE NCC	LEGACY
147.156.0.0/16	Universidad De Valencia	65,536	RIPE NCC	LEGACY
150.128.0.0/16	Universitat Jaume I	65,536	RIPE NCC	LEGACY
150.244.0.0/16	Universidad Autonoma De Madrid	65,536	RIPE NCC	LEGACY
155.210.0.0/16	Universidad De Zaragoza	65,536	RIPE NCC	LEGACY
156.35.0.0/16	Universidad De Oviedo	65,536	RIPE NCC	LEGACY
158.42.0.0/16	Universitat Politecnica De Valencia	65,536	RIPE NCC	LEGACY
158.49.0.0/16	Universidad De Extremadura	65,536	RIPE NCC	LEGACY
158.99.0.0/16	Consejeria De Educacion De La Junta De Andalucia	65,536	RIPE NCC	LEGACY
161.67.0.0/16	Universidad De Castilla - La Mancha	65,536	RIPE NCC	LEGACY
161.72.0.0/16	Instituto De Astrofisica De Canarias	65,536	RIPE NCC	LEGACY
161.111.0.0/16	Consejo Superior De Investigaciones	65,536	RIPE NCC	LEGACY
163.117.0.0/16	Universidad Carlos Iii De Madrid	65,536	RIPE NCC	LEGACY
178.255.104.0/23	Rct Junta Extremadura - Rango Instituto Agroalimentario De Extremadura (intaex)	512	RIPE NCC	ASSIGNED PA
185.205.148.0/22	Entidad Publica Empresarial Red.es	1,024	RIPE NCC	ALLOCATED PA
192.101.161.0/24	Avda, Complutense, 22	256	RIPE NCC	LEGACY
192.101.163.0/24	Av. Complutense 22	256	RIPE NCC	LEGACY
192.101.164.0/22	Centro De Investigaciones Energeticas	1,024	RIPE NCC	LEGACY
192.101.168.0/24	Avda, Complutense, 22	256	RIPE NCC	LEGACY
192.148.201.0/24	Entidad Publica Empresarial Red.es	256	RIPE NCC	LEGACY
192.148.202.0/23	Entidad Publica Empresarial Red.es	512	RIPE NCC	LEGACY
192.148.204.0/22	Entidad Publica Empresarial Red.es	1,024	RIPE NCC	LEGACY
192.187.24.0/23	Entidad Publica Empresarial Red.es	512	RIPE NCC	LEGACY
193.144.0.0/14	Red De Investigacion De Aragon	262,144	RIPE NCC	ASSIGNED PA
212.128.0.0/18	Universidad Rey Juan Carlos	16,384	RIPE NCC	ASSIGNED PA
212.128.64.0/20	Universidad De Alcala De Henares	4,096	RIPE NCC	ASSIGNED PA
212.128.80.0/21	Entidad Publica Empresarial Red.es	2,048	RIPE NCC	ALLOCATED PA
212.128.128.0/17	Universidad De Salamanca	32,768	RIPE NCC	ASSIGNED PA

Prefix	Organization	Size	Registry	Status
2001:678:508::/48	Inta-instituto Nacional De Tecnica Aeroespacial	1.2089× 1024	RIPE NCC	ASSIGNED PI
2001:720::/32	Entidad Publica Empresarial Red.es	7.9228× 1028	RIPE NCC	ALLOCATED-BY-RIR

Peers

AS766 actively fosters the following peering relationships that enhance network performance through direct, settlement-free traffic exchange. Even with a modest number of peers, each connection serves as a strategic asset—optimizing routing, reducing latency, and minimizing transit costs.

Upstreams

AS766 connects to the global Internet via at least 4 upstream providers. In this setup, AS766 acts as a customer, subscribing to these transit services to obtain full BGP routing information and ensure reliable, redundant access to external networks.

Downstreams

AS766 serves as a transit provider the following ASes, delivering the BGP routes needed for global connectivity. This downstream relationship underscores AS766's role in extending Internet access beyond its own infrastructure.