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Country

Switzerland

Europe CH
IPv4 addresses
25,436,215
CIDR ranges
7,070
Global rank · IPv4
#23 of 250
ASNs
961
Organizations
873
Regions / states
26

Top ASNs

ASNNameIPs
AS3303 Bluewin 3.50M
AS559 SWITCH 2.18M
AS6730 Sunrise GmbH 1.99M
AS8075 Microsoft Corporation 1.13M
AS1836 green.ch AG 490.5K
AS16509 Amazon.com, Inc. 412.2K
AS513 European Organization for Nuclear Research 354.8K
AS8803 Migros-Genossenschafts-Bund 330.2K
AS15600 Quickline AG 319.5K
AS12350 VTX Services SA 313.6K
AS22616 ZSCALER, INC. 241.9K
AS12511 Die Schweizerische Post AG 165.9K
AS8758 Iway AG 159.2K
AS21449 Etat de Geneve 135.2K
AS33845 Swiss Federation represented by FOITT 135.2K
AS15547 netplus.ch SA 133.4K
AS7377 University of California, San Diego 131.1K
AS25021 Etat de Fribourg 131.1K
AS13030 Init7 (Switzerland) Ltd. 117.2K
AS6772 ImproWare AG 116.0K
AS702 Verizon Business 108.8K
AS8821 WWZ Telekom AG 108.5K
AS9044 BSE Software GmbH 101.1K
AS15623 Cyberlink AG 100.1K
AS20868 ABB Information Systems Ltd 98.6K

Regions / states / provinces

Network composition

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

By operator category
CategoryIPv4Share
Enterprise 11.94M
93.7%
ISP / Telecom 503.3K
4.0%
Academic / Research 103.2K
0.8%
Mobile 101.4K
0.8%
Hosting / Cloud 80.6K
0.6%
Government 6.9K
0.1%
CDN 1.8K
0.0%
By regional registry (RIR)
RegistryIPv4Share
RIPE NCC 14.54M
57.2%
ARIN 10.28M
40.4%
APNIC 558.3K
2.2%
LACNIC 36.9K
0.1%
AFRINIC 18.5K
0.1%
Prefix-size distribution (network ranges by block size)
/8–/15
43
/16–/19
457
/20–/22
1,407
/23
614
/24
1,618
/25–/28
1,009
/29–/32
1,922

Routing & security

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

Announced prefixes
17,829
Origin ASNs
1,051
RPKI-valid
65.6%
11,692 of 17,829 ROA-covered

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

Web3 footprint

Switzerland hosts 56 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 Switzerland'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
44.2%
11.23M IPs with a PTR
Internet adoption
97.3%
of population · 2025
Censorship signal
4.0%
5 confirmed-blocked · 30d
Network outages
1
events · last 90d
Median speed
189 Mbps ↓
88 Mbps ↑ · 53ms
44.2% 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 Switzerland?

Switzerland has 25,436,215 IPv4 addresses allocated across 7,070 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 Switzerland?

The top organizations in Switzerland 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 Switzerland?

Switzerland 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 Switzerland in?

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

Last updated: 2026-07-18 12:10:33 UTC
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