Autonomous System

AS766 Entidad Publica Empresarial Red.es

ISPActiveSpainRIPE

AS766 (RedIRIS) is an ISP network operated by Entidad Publica Empresarial Red.es in Spain, registered with RIPE. It has 31 IPv4 prefixes with 1,371,648 addresses and 3 IPv6 prefixes, which makes it the 361st largest of 82,141 active autonomous systems by IPv4 space.

IPv4 addresses1,371,648in 31 prefixes
IPv6 prefixes3≈ 7.1 × 10²⁹ addresses
Size rank#361of 82,141 active ASNs
Abuser scoreVery Low0.01% of its addresses flagged · method

Details

OrganizationEntidad Publica Empresarial Red.es
AS nameRedIRIS
Websitered.es
Country Spain (ES)
Network typeISP
RegistryRIPE
Abuse contactseguridad@rediris.es
Registered2002-09-16
Last updated2026-08-04

IPv4 prefixes

31 prefixes · 1,371,648 addresses
NetworkAddressesFirst – last address
193.144.0.0/14262,144193.144.0.0 – 193.147.255.255
130.206.0.0/1665,536130.206.0.0 – 130.206.255.255
138.4.0.0/1665,536138.4.0.0 – 138.4.255.255
138.100.0.0/1665,536138.100.0.0 – 138.100.255.255
147.96.0.0/1665,536147.96.0.0 – 147.96.255.255
147.156.0.0/1665,536147.156.0.0 – 147.156.255.255
150.128.0.0/1665,536150.128.0.0 – 150.128.255.255
150.244.0.0/1665,536150.244.0.0 – 150.244.255.255
155.210.0.0/1665,536155.210.0.0 – 155.210.255.255
156.35.0.0/1665,536156.35.0.0 – 156.35.255.255
158.42.0.0/1665,536158.42.0.0 – 158.42.255.255
158.49.0.0/1665,536158.49.0.0 – 158.49.255.255
158.99.0.0/1665,536158.99.0.0 – 158.99.255.255
161.67.0.0/1665,536161.67.0.0 – 161.67.255.255
161.72.0.0/1665,536161.72.0.0 – 161.72.255.255
161.111.0.0/1665,536161.111.0.0 – 161.111.255.255
163.117.0.0/1665,536163.117.0.0 – 163.117.255.255
212.128.128.0/1732,768212.128.128.0 – 212.128.255.255
212.128.0.0/1816,384212.128.0.0 – 212.128.63.255
212.128.64.0/204,096212.128.64.0 – 212.128.79.255
212.128.80.0/212,048212.128.80.0 – 212.128.87.255
185.205.148.0/221,024185.205.148.0 – 185.205.151.255
192.101.164.0/221,024192.101.164.0 – 192.101.167.255
192.148.204.0/221,024192.148.204.0 – 192.148.207.255
178.255.104.0/23512178.255.104.0 – 178.255.105.255
The 25 largest of 31. The API and the database have all of them.

IPv6 prefixes

3 prefixes
  • 2001:720::/29
  • 2001:720::/32
  • 2001:678:508::/48

Query AS766 with the API

The ASN lookup returns everything on this page as JSON, including every prefix. ASN lookups need an API key: a free account comes with 1,000 requests a day. 

curl "https://api.ipapi.is/?q=AS766&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS766, with or without a key:

curl "https://api.ipapi.is/?q=193.144.0.1"

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