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Autonomous System

AS766

Entidad Publica Empresarial Red.es

Announced IPs
1,371,648
CIDR prefixes
31
ASN
AS766

Reputation · trust score

A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.

69/100
Moderate
How this score is built

Experimental · trust-vectors model v1.3.0 — a transparent heuristic, not a definitive verdict. How it works →

Network profile

Source: PeeringDB →
Network type Educational/Research
Traffic level 100-200Gbps
Geographic scope Europe
Traffic ratio Mostly Inbound
Peering policy Open
IRR record RIPE::AS-REDIRIS

Present at 4 internet exchanges: CATNIX, ESpanix Madrid Lower LAN, ESpanix Madrid Upper LAN, GigaPIX - LAN 1: LAN1

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
193.144.0.0/14 262.1K
11.8%
Entidad Publica Empresarial Red.es ES Canary Islands San Cristóbal de La Laguna
193.144.0.0/15 131.1K
9.4%
Entidad Publica Empresarial Red.es ES Canary Islands San Cristóbal de La Laguna
130.206.0.0/16 65.5K
15.3%
Entidad Publica Empresarial Red.es ES Madrid Madrid
138.4.0.0/16 65.5K
13.5%
Entidad Publica Empresarial Red.es ES Madrid Madrid
138.100.0.0/16 65.5K
21.3%
Entidad Publica Empresarial Red.es ES Madrid Madrid
147.96.0.0/16 65.5K
58.8%
Entidad Publica Empresarial Red.es ES Madrid Villanueva del Pardillo
147.156.0.0/16 65.5K
49.6%
Entidad Publica Empresarial Red.es ES Valencia Paterna
150.128.0.0/16 65.5K
13.8%
Entidad Publica Empresarial Red.es ES Valencia Castelló de la Plana
150.244.0.0/16 65.5K
35.5%
Entidad Publica Empresarial Red.es ES Madrid Madrid
155.210.0.0/16 65.5K
3.0%
Entidad Publica Empresarial Red.es ES Aragon Zaragoza
156.35.0.0/16 65.5K
22.4%
Entidad Publica Empresarial Red.es ES Principality of Asturias Oviedo
158.42.0.0/16 65.5K
65.8%
Entidad Publica Empresarial Red.es ES Valencia Valencia
158.49.0.0/16 65.5K
1.4%
Entidad Publica Empresarial Red.es ES Extremadura Cáceres
158.99.0.0/16 65.5K
0.0%
Entidad Publica Empresarial Red.es ES Principality of Asturias Oviedo
161.67.0.0/16 65.5K
87.4%
Entidad Publica Empresarial Red.es ES Castille-La Mancha Ciudad Real
161.72.0.0/16 65.5K
4.4%
Entidad Publica Empresarial Red.es ES — —
161.111.0.0/16 65.5K
26.3%
Entidad Publica Empresarial Red.es ES Madrid Madrid
163.117.0.0/16 65.5K
32.6%
Entidad Publica Empresarial Red.es ES Madrid Getafe
193.147.0.0/16 65.5K
14.0%
Entidad Publica Empresarial Red.es ES Andalusia Dos Hermanas
193.146.0.0/17 32.8K
21.8%
Entidad Publica Empresarial Red.es ES Galicia Vigo
212.128.128.0/17 32.8K
14.5%
Entidad Publica Empresarial Red.es ES Castille and León Salamanca
193.146.192.0/18 16.4K
2.0%
Entidad Publica Empresarial Red.es ES Basque Country Donostia / San Sebastian
212.128.0.0/18 16.4K
21.3%
Entidad Publica Empresarial Red.es ES Castille and León Cabanillas
193.146.160.0/19 8.2K
13.0%
Entidad Publica Empresarial Red.es ES Madrid Villaviciosa de Odón
193.146.128.0/20 4.1K
4.2%
Entidad Publica Empresarial Red.es ES Madrid Madrid
212.128.64.0/20 4.1K
4.2%
Entidad Publica Empresarial Red.es ES Madrid Alcalá de Henares
193.146.152.0/21 2.0K
0.9%
Entidad Publica Empresarial Red.es ES Andalusia Tabernas
212.128.80.0/21 2.0K
0.0%
Entidad Publica Empresarial Red.es ES — —
185.205.148.0/22 1.0K
0.0%
Entidad Publica Empresarial Red.es ES — —
192.101.164.0/22 1.0K
33.9%
Entidad Publica Empresarial Red.es ES Madrid Madrid
192.148.204.0/22 1.0K
0.0%
Entidad Publica Empresarial Red.es ES — —
193.146.144.0/22 1.0K
54.9%
Entidad Publica Empresarial Red.es ES — —
178.255.104.0/23 512
0.0%
Entidad Publica Empresarial Red.es ES — —
192.148.202.0/23 512
1.2%
Entidad Publica Empresarial Red.es ES — —
192.187.24.0/23 512
5.7%
Entidad Publica Empresarial Red.es ES — —
193.146.148.0/23 512
0.0%
Entidad Publica Empresarial Red.es ES — —
192.101.161.0/24 256
81.6%
Entidad Publica Empresarial Red.es ES — —
192.101.163.0/24 256
0.0%
Entidad Publica Empresarial Red.es ES — —
192.101.168.0/24 256
0.0%
Entidad Publica Empresarial Red.es ES — —
192.148.201.0/24 256
20.7%
Entidad Publica Empresarial Red.es ES — —
193.146.151.0/24 256
24.2%
Entidad Publica Empresarial Red.es ES — —
193.146.150.0/25 128
2.3%
Entidad Publica Empresarial Red.es ES — —
193.146.150.128/26 64
3.1%
Entidad Publica Empresarial Red.es ES — —
193.146.150.224/27 32
3.1%
Entidad Publica Empresarial Red.es ES — —
193.146.150.192/28 16
0.0%
Entidad Publica Empresarial Red.es ES — —
193.146.150.208/29 8
0.0%
Entidad Publica Empresarial Red.es ES — —
193.146.150.216/30 4
0.0%
Entidad Publica Empresarial Red.es ES — —
193.146.150.222/31 2
0.0%
Entidad Publica Empresarial Red.es ES — —
193.146.150.220/32 1
0.0%
Entidad Publica Empresarial Red.es MR — —
193.146.150.221/32 1
0.0%
Entidad Publica Empresarial Red.es ES — —

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS766 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
158.49.0.0/16 29,641 2026-11-11 19:51:45
161.111.0.0/16 25,711 2026-11-11 19:53:18
212.128.64.0/20 20,698 2026-11-11 19:53:18
156.35.0.0/16 20,351 2026-11-11 19:53:18
147.96.0.0/16 20,317 2026-11-11 19:53:18
161.67.0.0/16 20,088 2026-11-11 19:53:18
178.255.104.0/23 19,276 2026-11-11 19:53:18
158.42.0.0/16 18,552 2026-11-11 19:50:17
192.148.201.0/24 17,758 2026-11-11 19:53:18
150.128.0.0/16 17,373 2026-11-11 19:53:18
163.117.0.0/16 17,348 2026-11-11 19:53:18
161.72.0.0/16 17,288 2026-11-11 19:53:18
147.156.0.0/16 17,240 2026-11-11 19:53:18
150.244.0.0/16 17,231 2026-11-11 19:53:18
192.187.24.0/23 17,202 2026-11-11 19:53:18
192.148.204.0/22 17,191 2026-11-11 19:53:18
138.4.0.0/16 17,155 2026-11-11 19:53:18
212.128.128.0/17 17,108 2026-11-11 19:53:18
212.128.80.0/21 17,079 2026-11-11 19:53:18
138.100.0.0/16 17,025 2026-11-11 19:53:18
155.210.0.0/16 17,010 2026-11-11 19:53:18
192.101.164.0/22 16,947 2026-11-11 19:53:18
130.206.0.0/16 16,917 2026-11-11 19:53:18
192.101.163.0/24 16,906 2026-11-11 19:53:18
212.128.0.0/18 16,870 2026-11-11 19:53:18
192.101.168.0/24 16,803 2026-11-11 19:53:18
193.144.0.0/14 16,730 2026-11-11 19:53:18
158.99.0.0/16 16,561 2026-11-11 19:53:18
185.205.148.0/22 16,503 2026-11-11 19:53:18
192.101.161.0/24 16,304 2026-11-11 19:53:18
192.148.202.0/23 3,663 2026-11-11 13:43:59

Frequently Asked Questions

What is AS766?

AS766 is an Autonomous System Number assigned to Entidad Publica Empresarial Red.es. An ASN identifies a network that controls a specific set of IP addresses and determines how traffic is routed across the internet via BGP (Border Gateway Protocol).

How many IP addresses does AS766 announce?

AS766 announces 1.37M IPv4 addresses distributed across 31 routed CIDR prefixes. The network is registered in Spain.

Who operates AS766?

AS766 is operated by Entidad Publica Empresarial Red.es. The organization is based in Spain. You can view all IP ranges and related ASNs on the organization page.

What country is AS766 registered in?

AS766 is registered in Spain. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-11-11 20:09:06 UTC
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