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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 v1.1.0 — 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 Brittany Châteaubourg
95.128.144.0/21 2.0K
5.1%
BLUE SAS FR Brittany Vezin-le-Coquet
149.255.48.0/21 2.0K
0.0%
BLUE SAS FR
37.157.228.0/22 1.0K
0.0%
BLUE SAS FR
45.137.144.0/22 1.0K
4.5%
BLUE SAS FR Brittany Châteaubourg
77.74.212.0/22 1.0K
0.0%
BLUE SAS FR
89.46.96.0/22 1.0K
0.7%
BLUE SAS FR Brittany Châteaubourg
95.128.144.0/22 1.0K
0.0%
BLUE SAS 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 Brittany Rennes
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
37.157.224.0/23 512
0.0%
BLUE SAS FR
45.137.146.0/23 512
0.0%
BLUE SAS FR Brittany Châteaubourg
77.74.210.0/23 512
0.0%
BLUE SAS FR
89.46.96.0/23 512
0.0%
BLUE SAS FR Brittany Châteaubourg
95.128.148.0/23 512
0.0%
BLUE SAS FR
185.40.224.0/23 512
0.0%
BLUE SAS FR
45.137.145.0/24 256
0.0%
BLUE SAS FR
77.74.209.0/24 256
0.0%
BLUE SAS FR
89.46.99.0/24 256
0.0%
BLUE SAS FR
185.40.227.0/24 256
0.0%
BLUE SAS FR
185.135.125.0/24 256
0.0%
BLUE SAS FR
185.135.126.0/24 256
0.0%
BLUE SAS FR
193.28.233.0/24 256
34.0%
BLUE SAS FR
193.104.205.0/24 256
19.9%
BLUE SAS FR
194.150.92.0/24 256
0.0%
BLUE SAS FR Brittany Rennes
194.150.95.0/24 256
0.0%
BLUE SAS FR
37.157.226.128/25 128
0.0%
BLUE SAS FR
37.157.227.128/25 128
0.0%
BLUE SAS FR
45.137.144.128/25 128
0.0%
BLUE SAS FR
89.46.98.128/25 128
0.0%
BLUE SAS FR
95.128.151.0/25 128
0.0%
BLUE SAS FR
185.40.226.0/25 128
0.0%
BLUE SAS FR
185.135.124.0/25 128
0.0%
BLUE SAS FR
185.135.127.128/25 128
0.0%
BLUE SAS FR
193.28.233.128/25 128
0.0%
BLUE SAS FR
193.104.205.128/25 128
0.0%
BLUE SAS FR
194.150.93.0/25 128
0.0%
BLUE SAS FR Brittany Rennes
194.150.94.128/25 128
0.0%
BLUE SAS FR
37.157.226.64/26 64
0.0%
BLUE SAS FR
45.137.144.64/26 64
0.0%
BLUE SAS FR
77.74.208.0/26 64
0.0%
BLUE SAS FR
77.74.208.192/26 64
0.0%
BLUE SAS FR
89.46.98.64/26 64
0.0%
BLUE SAS FR
95.128.150.192/26 64
0.0%
BLUE SAS FR
95.128.151.192/26 64
0.0%
BLUE SAS FR
185.40.226.128/26 64
0.0%
BLUE SAS FR
185.135.124.128/26 64
0.0%
BLUE SAS FR
185.135.127.0/26 64
0.0%
BLUE SAS FR
193.28.233.64/26 64
0.0%
BLUE SAS FR
193.104.205.64/26 64
0.0%
BLUE SAS FR
194.150.93.192/26 64
0.0%
BLUE SAS FR
194.150.94.64/26 64
0.0%
BLUE SAS FR
37.157.226.32/27 32
0.0%
BLUE SAS FR
37.157.227.32/27 32
0.0%
BLUE SAS FR
37.157.227.96/27 32
0.0%
BLUE SAS FR
45.137.144.32/27 32
0.0%
BLUE SAS FR
77.74.208.96/27 32
0.0%
BLUE SAS FR
77.74.208.160/27 32
0.0%
BLUE SAS FR
89.46.98.0/27 32
0.0%
BLUE SAS NL
89.46.98.32/27 32
0.0%
BLUE SAS FR
95.128.150.32/27 32
0.0%
BLUE SAS FR
95.128.150.96/27 32
0.0%
BLUE SAS FR
95.128.150.160/27 32
0.0%
BLUE SAS FR
95.128.151.160/27 32
0.0%
BLUE SAS FR
185.40.226.224/27 32
0.0%
BLUE SAS FR
185.135.124.192/27 32
0.0%
BLUE SAS FR
185.135.127.96/27 32
0.0%
BLUE SAS FR
193.28.233.32/27 32
0.0%
BLUE SAS FR
193.104.205.32/27 32
0.0%
BLUE SAS FR
194.150.93.160/27 32
0.0%
BLUE SAS FR
194.150.94.32/27 32
0.0%
BLUE SAS FR
37.157.226.0/28 16
0.0%
BLUE SAS FR
37.157.227.16/28 16
0.0%
BLUE SAS FR
37.157.227.80/28 16
0.0%
BLUE SAS FR
45.137.144.16/28 16
0.0%
BLUE SAS FR
77.74.208.64/28 16
0.0%
BLUE SAS FR
77.74.208.144/28 16
0.0%
BLUE SAS FR
95.128.150.16/28 16
0.0%
BLUE SAS FR
95.128.150.80/28 16
0.0%
BLUE SAS FR
95.128.150.128/28 16
0.0%
BLUE SAS FR
95.128.151.128/28 16
0.0%
BLUE SAS FR
185.40.226.208/28 16
0.0%
BLUE SAS FR
185.135.124.224/28 16
0.0%
BLUE SAS FR
185.135.127.80/28 16
0.0%
BLUE SAS FR
193.28.233.16/28 16
0.0%
BLUE SAS FR
193.104.205.16/28 16
0.0%
BLUE SAS FR
194.150.93.128/28 16
0.0%
BLUE SAS FR
194.150.94.16/28 16
0.0%
BLUE SAS FR
37.157.226.16/29 8
0.0%
BLUE SAS FR
37.157.227.8/29 8
0.0%
BLUE SAS FR
37.157.227.64/29 8
0.0%
BLUE SAS NL
37.157.227.72/29 8
0.0%
BLUE SAS FR
45.137.144.8/29 8
0.0%
BLUE SAS FR
77.74.208.136/29 8
0.0%
BLUE SAS FR
95.128.150.8/29 8
0.0%
BLUE SAS 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
37.157.231.0/24 6,814 2026-07-21 02:14:50
37.157.230.0/24 6,785 2026-07-21 02:14:50
37.157.228.0/24 6,777 2026-07-21 02:14:50
37.157.227.0/24 6,776 2026-07-21 02:14:50
45.137.144.0/22 6,774 2026-07-21 02:14:50
37.157.229.0/24 6,773 2026-07-21 02:14:50
95.128.149.0/24 6,759 2026-07-21 02:14:50
95.128.151.0/24 6,756 2026-07-21 02:14:50
37.157.225.0/24 6,753 2026-07-21 02:14:50
37.157.224.0/24 6,747 2026-07-21 02:14:50
95.128.150.0/24 6,747 2026-07-21 02:14:50
37.157.226.0/24 6,743 2026-07-21 02:14:50
89.46.96.0/22 6,736 2026-07-21 02:14:50
95.128.148.0/24 6,731 2026-07-21 02:14:50
95.128.145.0/24 6,730 2026-07-21 02:14:50
95.128.146.0/24 6,728 2026-07-21 02:14:50
77.74.213.0/24 6,720 2026-07-21 02:14:50
77.74.212.0/24 6,716 2026-07-21 02:14:50
95.128.147.0/24 6,715 2026-07-21 02:14:50
37.157.224.0/21 6,713 2026-07-21 02:14:50
77.74.211.0/24 6,707 2026-07-21 02:14:50
149.255.48.0/21 6,703 2026-07-21 02:14:50
185.185.116.0/22 6,703 2026-07-21 02:14:50
185.40.224.0/22 6,701 2026-07-21 02:14:50
77.74.214.0/24 6,696 2026-07-21 02:14:50
95.128.144.0/21 6,692 2026-07-21 02:14:50
77.74.208.0/24 6,691 2026-07-21 02:14:50
77.74.209.0/24 6,689 2026-07-21 02:14:50
77.74.208.0/21 6,684 2026-07-21 02:14:50
95.128.144.0/24 6,681 2026-07-21 02:14:50
77.74.210.0/24 6,674 2026-07-21 02:14:50
185.135.124.0/22 6,671 2026-07-21 02:14:50
185.87.93.0/24 6,667 2026-07-21 02:14:50
185.87.94.0/24 6,664 2026-07-21 02:14:50
185.87.92.0/22 6,654 2026-07-21 02:14:50
185.87.95.0/24 6,652 2026-07-21 02:14:50
185.87.92.0/24 6,650 2026-07-21 02:14:50
77.74.215.0/24 6,647 2026-07-21 02:14:50
194.150.92.0/22 6,612 2026-07-21 02:14:50
185.232.224.0/22 6,596 2026-07-21 02:14:50
193.28.233.0/24 6,525 2026-07-21 02:14:50
193.104.205.0/24 6,282 2026-07-21 02:14:06

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: 2026-07-21 04:25:33 UTC
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