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Autonomous System

AS56665

Proximus Luxembourg S.A.

Announced IPs
44,800
CIDR prefixes
7
ASN
AS56665

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.

70/100
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 300-500Gbps
Geographic scope Regional
Traffic ratio Heavy Inbound
Peering policy Selective
IRR record AS-PROXIMUS

Present at 11 internet exchanges: DE-CIX Frankfurt: DE-CIX Frankfurt Peering LAN, France-IX Paris, LINX LON1: Main, AMS-IX, NL-ix: Main, LU-CIX, DE-CIX Dusseldorf: DE-CIX Dusseldorf Peering LAN, DE-CIX Hamburg: DE-CIX Hamburg Peering LAN, DE-CIX Munich: DE-CIX Munich Peering LAN, TOP-IX: Public Peering VLAN, …

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
94.252.0.0/17 32.8K
90.1%
Proximus Luxembourg S.A. LU Luxembourg Luxembourg
212.66.64.0/19 8.2K
29.7%
Proximus Luxembourg S.A. LU Luxembourg Luxembourg
31.204.92.0/22 1.0K
93.9%
Proximus Luxembourg S.A. LU
185.3.44.0/22 1.0K
98.9%
Proximus Luxembourg S.A. LU Luxembourg Luxembourg
185.40.60.0/22 1.0K
0.0%
Proximus Luxembourg S.A. LU Luxembourg Luxembourg
31.204.90.0/23 512
99.4%
Proximus Luxembourg S.A. LU
31.204.88.0/24 256
99.2%
Proximus Luxembourg S.A. LU
31.204.88.0/25 128
0.0%
LU
31.204.88.192/26 64
0.0%
LU
31.204.88.160/27 32
0.0%
LU
31.204.88.144/28 16
0.0%
LU
31.204.88.136/29 8
0.0%
LU
31.204.88.132/30 4
0.0%
LU
31.204.88.130/31 2
0.0%
LU
31.204.88.128 1
0.0%
LU
31.204.88.129 1
0.0%
DE

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS56665 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
31.204.92.0/22 16,333 2026-07-18 19:01:21
212.66.76.0/24 15,661 2026-07-18 19:01:21
212.66.67.0/24 15,646 2026-07-18 19:01:21
212.66.64.0/19 15,637 2026-07-18 19:01:21
185.40.60.0/22 15,498 2026-07-18 19:01:21
185.3.44.0/22 15,466 2026-07-18 19:01:21
94.252.0.0/17 15,381 2026-07-18 19:01:21
94.252.0.0/21 15,142 2026-07-18 19:01:21
94.252.40.0/21 15,135 2026-07-18 19:01:21
94.252.96.0/20 15,127 2026-07-18 19:01:21
94.252.120.0/21 15,117 2026-07-18 19:01:21
94.252.72.0/21 15,114 2026-07-18 19:01:21
94.252.112.0/21 15,098 2026-07-18 19:01:21
94.252.88.0/21 15,094 2026-07-18 19:01:21
94.252.64.0/21 15,089 2026-07-18 19:01:21
94.252.32.0/21 15,088 2026-07-18 19:01:21
94.252.56.0/21 15,082 2026-07-18 19:01:21
94.252.80.0/21 15,079 2026-07-18 19:01:21
94.252.48.0/21 15,076 2026-07-18 19:01:21
94.252.24.0/21 15,064 2026-07-18 19:01:21
94.252.8.0/21 15,062 2026-07-18 19:01:21
94.252.16.0/21 15,054 2026-07-18 19:01:21
31.204.88.0/24 14,661 2026-07-18 19:01:21
31.204.90.0/23 14,514 2026-07-18 19:01:21

Frequently Asked Questions

What is AS56665?

AS56665 is an Autonomous System Number assigned to Proximus Luxembourg S.A.. 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 AS56665 announce?

AS56665 announces 44.8K IPv4 addresses distributed across 7 routed CIDR prefixes. The network is registered in Luxembourg.

Who operates AS56665?

AS56665 is operated by Proximus Luxembourg S.A.. The organization is based in Luxembourg. You can view all IP ranges and related ASNs on the organization page.

What country is AS56665 registered in?

AS56665 is registered in Luxembourg. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-07-18 19:10:36 UTC
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