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Autonomous System

AS42845

BLUE SAS

Announced IPs
16,896
CIDR prefixes
14
ASN
AS42845

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.

65/100
Moderate
How this score is built

Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →

Network profile

Source: PeeringDB →
Network type Cable/DSL/ISP
Traffic level 10-20Gbps
Geographic scope Europe
Traffic ratio Balanced
Peering policy Open
IRR record AS42845:AS-BRETAGNE_TELECOM

Present at 2 internet exchanges: France-IX Paris, BreizhIX: BREIZHIX-PEERING-LAN

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
37.157.224.0/21 2.0K
2.4%
BLUE SAS FR Brittany Rennes
77.74.208.0/21 2.0K
3.0%
BLUE SAS FR New Aquitaine Mont
95.128.144.0/21 2.0K
5.1%
BLUE SAS FR Brittany Noyal-sur-Vilaine
149.255.48.0/21 2.0K
0.0%
BLUE SAS FR
37.157.228.0/22 1.0K
0.0%
FR
45.137.144.0/22 1.0K
4.5%
BLUE SAS FR Brittany Châteaubourg
77.74.212.0/22 1.0K
0.0%
FR
89.46.96.0/22 1.0K
0.7%
BLUE SAS FR Brittany Châteaubourg
95.128.144.0/22 1.0K
0.0%
FR
185.40.224.0/22 1.0K
1.0%
BLUE SAS FR Brittany Châteaubourg
185.87.92.0/22 1.0K
0.0%
BLUE SAS FR
185.135.124.0/22 1.0K
3.1%
BLUE SAS FR Brittany Cesson-Sévigné
185.185.116.0/22 1.0K
1.0%
BLUE SAS FR Pays de la Loire Saint-Herblain
185.232.224.0/22 1.0K
1.0%
BLUE SAS FR Brittany Châteaubourg
194.150.92.0/22 1.0K
4.4%
BLUE SAS FR Brittany Rennes
45.137.146.0/23 512
0.0%
FR Brittany Châteaubourg
77.74.210.0/23 512
0.0%
FR
89.46.96.0/23 512
0.0%
FR Brittany Châteaubourg
95.128.148.0/23 512
0.0%
FR
185.40.224.0/23 512
0.0%
FR
194.150.92.0/23 512
0.0%
FR Brittany Rennes
37.157.224.0/24 256
0.0%
FR
37.157.227.0/24 256
0.0%
FR
45.137.145.0/24 256
0.0%
FR
77.74.209.0/24 256
0.0%
FR
89.46.99.0/24 256
0.0%
FR
185.40.227.0/24 256
0.0%
FR
193.28.233.0/24 256
34.0%
BLUE SAS FR
193.104.205.0/24 256
19.9%
BLUE SAS FR
194.150.95.0/24 256
0.0%
FR
37.157.226.128/25 128
0.0%
FR
45.137.144.128/25 128
0.0%
FR
77.74.208.128/25 128
0.0%
FR
89.46.98.128/25 128
0.0%
FR
95.128.150.0/25 128
0.0%
FR
95.128.151.0/25 128
0.0%
FR
185.40.226.0/25 128
0.0%
FR
193.28.233.128/25 128
0.0%
FR
193.104.205.128/25 128
0.0%
FR
194.150.94.128/25 128
0.0%
FR
37.157.225.128/26 64
0.0%
FR
37.157.226.64/26 64
0.0%
FR
45.137.144.64/26 64
0.0%
FR
77.74.208.0/26 64
0.0%
FR
89.46.98.64/26 64
0.0%
FR
95.128.150.192/26 64
0.0%
FR
95.128.151.192/26 64
0.0%
FR
185.40.226.128/26 64
0.0%
FR
193.28.233.64/26 64
0.0%
FR
193.104.205.64/26 64
0.0%
FR
194.150.94.64/26 64
0.0%
FR
37.157.225.0/27 32
0.0%
FR
37.157.225.64/27 32
0.0%
NL
37.157.225.224/27 32
0.0%
FR
37.157.226.32/27 32
0.0%
FR
45.137.144.32/27 32
0.0%
FR
77.74.208.96/27 32
0.0%
FR
89.46.98.0/27 32
0.0%
NL
89.46.98.32/27 32
0.0%
FR
95.128.150.160/27 32
0.0%
FR
95.128.151.160/27 32
0.0%
FR
185.40.226.224/27 32
0.0%
FR
193.28.233.32/27 32
0.0%
FR
193.104.205.32/27 32
0.0%
FR
194.150.94.32/27 32
0.0%
FR
37.157.225.32/28 16
0.0%
FR
37.157.225.112/28 16
0.0%
FR
37.157.225.192/28 16
0.0%
FR
37.157.226.0/28 16
0.0%
FR
45.137.144.16/28 16
0.0%
FR
77.74.208.64/28 16
0.0%
FR
95.128.150.128/28 16
0.0%
FR
95.128.151.128/28 16
0.0%
FR
185.40.226.208/28 16
0.0%
FR
193.28.233.16/28 16
0.0%
FR
193.104.205.16/28 16
0.0%
FR
194.150.94.16/28 16
0.0%
FR
37.157.225.56/29 8
0.0%
FR
37.157.225.104/29 8
0.0%
FR
37.157.225.216/29 8
0.0%
FR
37.157.226.16/29 8
0.0%
FR
45.137.144.8/29 8
0.0%
FR
95.128.150.152/29 8
0.0%
FR
95.128.151.144/29 8
0.0%
FR
185.40.226.200/29 8
0.0%
FR
193.28.233.8/29 8
0.0%
FR
193.104.205.8/29 8
0.0%
FR
194.150.94.8/29 8
0.0%
FR
37.157.225.52/30 4
0.0%
FR
37.157.225.100/30 4
0.0%
FR
37.157.225.212/30 4
0.0%
FR
37.157.226.24/30 4
0.0%
FR
45.137.144.4/30 4
0.0%
FR
77.74.208.84/30 4
0.0%
FR
77.74.208.92/30 4
0.0%
FR
95.128.150.148/30 4
0.0%
FR
95.128.151.152/30 4
0.0%
FR
185.40.226.196/30 4
0.0%
FR
193.28.233.4/30 4
0.0%
FR
193.104.205.4/30 4
0.0%
FR

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS42845 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
193.28.233.0/24 15,693 2026-09-12 02:21:31
193.104.205.0/24 15,385 2026-09-12 02:21:25
37.157.231.0/24 12,410 2026-09-12 01:12:30
37.157.227.0/24 12,382 2026-09-12 01:12:30
37.157.229.0/24 12,377 2026-09-12 01:12:30
37.157.228.0/24 12,370 2026-09-12 01:12:30
37.157.230.0/24 12,362 2026-09-12 01:12:30
45.137.144.0/22 12,349 2026-09-12 01:12:55
37.157.225.0/24 12,342 2026-09-12 01:12:30
37.157.224.0/24 12,325 2026-09-12 01:12:30
37.157.226.0/24 12,323 2026-09-12 01:12:30
77.74.215.0/24 12,321 2026-09-12 02:21:31
37.157.224.0/21 12,302 2026-09-12 01:12:30
95.128.151.0/24 12,299 2026-09-12 01:11:09
95.128.150.0/24 12,293 2026-09-12 01:11:09
95.128.149.0/24 12,291 2026-09-12 01:11:09
95.128.145.0/24 12,276 2026-09-12 01:11:09
89.46.96.0/22 12,271 2026-09-12 01:11:09
95.128.148.0/24 12,253 2026-09-12 01:11:09
95.128.146.0/24 12,246 2026-09-12 01:11:09
185.40.224.0/22 12,245 2026-09-12 01:11:09
95.128.147.0/24 12,244 2026-09-12 01:11:09
77.74.211.0/24 12,235 2026-09-12 01:11:09
77.74.212.0/24 12,228 2026-09-12 01:11:09
95.128.144.0/21 12,213 2026-09-12 01:11:09
77.74.208.0/24 12,213 2026-09-12 01:11:09
77.74.213.0/24 12,209 2026-09-12 01:11:09
185.185.116.0/22 12,208 2026-09-12 01:11:09
77.74.208.0/21 12,204 2026-09-12 01:11:09
95.128.144.0/24 12,202 2026-09-12 01:11:09
77.74.209.0/24 12,202 2026-09-12 01:11:09
185.87.93.0/24 12,199 2026-09-12 01:11:09
149.255.48.0/21 12,198 2026-09-12 01:11:09
77.74.210.0/24 12,197 2026-09-12 01:11:09
185.135.124.0/22 12,187 2026-09-12 01:11:09
77.74.214.0/24 12,180 2026-09-12 01:11:09
185.87.92.0/22 12,176 2026-09-12 01:11:09
185.87.92.0/24 12,171 2026-09-12 01:11:09
185.87.95.0/24 12,147 2026-09-12 01:11:09
185.87.94.0/24 12,146 2026-09-12 01:11:09
194.150.92.0/22 12,105 2026-09-12 01:49:47
185.232.224.0/22 12,097 2026-09-12 01:11:09

Frequently Asked Questions

What is AS42845?

AS42845 is an Autonomous System Number assigned to BLUE SAS. 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 AS42845 announce?

AS42845 announces 16.9K IPv4 addresses distributed across 14 routed CIDR prefixes. The network is registered in France.

Who operates AS42845?

AS42845 is operated by BLUE SAS. The organization is based in France. You can view all IP ranges and related ASNs on the organization page.

What country is AS42845 registered in?

AS42845 is registered in France. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-09-12 02:26:38 UTC
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