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Country

Luxembourg

Europe European Union LU
IPv4 addresses
1,422,556
CIDR ranges
1,559
Global rank · IPv4
#83 of 250
ASNs
163
Organizations
153
Regions / states
12

Top ASNs

ASNNameIPs
AS6661 POST Luxembourg 219.9K
AS2602 Fondation RESTENA 83.5K
AS7979 Servers.com, Inc. 53.8K
AS56665 Proximus Luxembourg S.A. 44.8K
AS12684 Ses Astra S.A. 41.7K
AS43375 European Parliament 32.8K
AS8632 Luxembourg Online S.A. 23.8K
AS199524 G-Core Labs S.A. 23.3K
AS15965 Cegecom S.A. 21.8K
AS9008 Visual Online S.A. 20.7K
AS34683 Telkea Telecom SA 17.9K
AS206610 Mixvoip S.A. 15.9K
AS24611 Datacenter Luxembourg S.A. 12.8K
AS41589 Lux Green Technologies Sarl 12.8K
AS25367 Proximus Luxembourg S.A. 12.5K
AS29467 Luxnetwork S.A. 9.2K
AS204279 Eltrona Interdiffusion S.A. 9.2K
AS25273 Broadcasting Center Europe (an RTL Group Company) 8.7K
AS801 Amazon Technologies Inc. 8.2K
AS56369 Orange Belgium SA 8.2K
AS47377 Orange Belgium SA 7.9K
AS37518 Fiber Grid INC 7.7K
AS34655 JWE S.a r.l. 7.2K
AS25934 Syniverse Technologies, LLC 6.7K
AS5577 root SA 5.1K

Regions / states / provinces

Network composition

How Luxembourg's allocated IPv4 space breaks down by operator type, regional registry, and block size.

By operator category
CategoryIPv4Share
Enterprise 736.8K
85.8%
Government 65.8K
7.7%
ISP / Telecom 28.7K
3.3%
CDN 15.1K
1.8%
Hosting / Cloud 11.5K
1.3%
Mobile 512
0.1%
By regional registry (RIR)
RegistryIPv4Share
RIPE NCC 1.33M
93.7%
ARIN 83.6K
5.9%
AFRINIC 6.1K
0.4%
APNIC 512
0.0%
Prefix-size distribution (network ranges by block size)
/16–/19
48
/20–/22
179
/23
101
/24
310
/25–/28
229
/29–/32
692

Routing & security

Live BGP routing footprint for Luxembourg from our global collectors, with RPKI route-origin validation coverage.

Announced prefixes
4,355
Origin ASNs
194
RPKI-valid
54.3%
2,363 of 4,355 ROA-covered

RPKI-valid % = announced prefixes with a matching Route Origin Authorization. Live routing →

Web3 footprint

Luxembourg hosts 21 observed decentralized-network nodes across 3 networks. It’s a neutral signal — it does not affect the reputation score. See the full web3 node map.

Reverse-DNS, threat intelligence & internet health

How much of Luxembourg's address space resolves to a hostname, how much appears on public threat blocklists, how widely the population is online, and independent signals of censorship and outages.

Reverse-DNS coverage
31.4%
446.3K IPs with a PTR
On threat blocklists
11
flagged across 6 feeds
Internet adoption
99.1%
of population · 2025
Censorship signal
1.7%
0 confirmed-blocked · 30d
Network outages
2
events · last 90d
Median speed
339 Mbps ↓
149 Mbps ↑ · 22ms
31.4% of allocated IPv4 has a PTR

Reverse-DNS + threat-blocklist footprint from our own scanning & 8 threat-intel feeds. Internet adoption from the World Bank; censorship measurements from OONI; outage detection from IODA / Georgia Tech; connection speed from Cloudflare Radar.

Frequently Asked Questions

How many IPv4 addresses are allocated to Luxembourg?

Luxembourg has 1,422,556 IPv4 addresses allocated across 1,559 network ranges. These allocations are managed by regional internet registries and assigned to organizations operating within the country.

What are the largest internet providers in Luxembourg?

The top organizations in Luxembourg by IP allocation include the major ISPs, hosting providers, and enterprises listed above. These 50 organizations collectively manage the majority of the country's IPv4 address space.

How many ASNs operate in Luxembourg?

Luxembourg has 50 or more registered Autonomous Systems. Each ASN represents an independently routed network, such as an ISP, cloud provider, or enterprise network.

What continent is Luxembourg in?

Luxembourg is located in Europe. IP address allocations in this region are managed by RIPE NCC.

Last updated: 2026-10-15 21:39:06 UTC
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