🇨🇭 Switzerland
Registry and organization country assignments can differ from the physical location of an IP. Snapshot: 2026-10-04.
23,270,256
Delegated IPv4 address slots
1,094
Registered ASNs
41
Hosting ASNs
887
Known VPN exit prefixes
Country reference
- ISO code
- CH
- Continent
- Europe
- Capital
- Bern
- Currency
- CHF
- Calling code
- 41
- EU member
- No
- Delegated IPv6 address slots
- 329,827,076,287,417,262,254,612,532,953,088
Registry allocations
Allocated and assigned RIR prefixes; address slots are summed across records and may overlap.
| Registry | Prefixes | IPv4 slots | IPv6 slots |
|---|---|---|---|
| APNIC | 7 | 1,792 | 79,229,371,440,083,952,222,718,656,512 |
| ARIN | 5 | 7,168 | 0 |
| RIPE_NCC | 3,925 | 23,261,296 | 329,747,846,915,977,178,302,389,814,296,576 |
Major autonomous systems
Showing up to 200 of 1,094 ASNs assigned to this country, ranked by announced IPv4 prefix address slots. Overlapping announcements count separately.
| ASN | Organization | Category | IPv4 slots | IPv6 prefixes |
|---|---|---|---|---|
| AS3303 | Swisscom (Schweiz) AG | business | 8,229,888 | 50 |
| AS6730 | Sunrise GmbH | business | 3,802,112 | 20 |
| AS559 | SWITCH | business | 2,185,216 | 9 |
| AS1836 | green.ch AG | hosting | 492,800 | 5 |
| AS2047 | Hoffmann - La Roche Ltd. | business | 378,112 | 5 |
| AS513 | CERN - European Organization for Nuclear Research | education | 354,816 | 2 |
| AS8803 | Migros-Genossenschafts-Bund | business | 330,240 | 0 |
| AS15600 | Quickline AG | business | 321,280 | 22 |
| AS12350 | VTX Services SA | business | 310,272 | 2 |
| AS21449 | Etat de Geneve | business | 273,152 | 1 |
| AS33845 | Swiss Federation represented by FOITT | business | 200,448 | 1 |
| AS62044 | Zscaler Switzerland GmbH | hosting | 185,088 | 43 |
| AS13030 | Init7 (Switzerland) Ltd. | business | 183,296 | 22 |
| AS8758 | Iway AG | business | 176,896 | 7 |
| AS20868 | ABB Information Systems Ltd | business | 167,936 | 0 |
| AS12511 | Die Schweizerische Post AG | business | 165,888 | 3 |
| AS8640 | Zurich Insurance Company AG | banking | 149,504 | 0 |
| AS15675 | Direction generale du numerique et des systemes d'information (DGNSI) Etat de Vaud | business | 140,032 | 0 |
| AS15547 | netplus.ch SA | business | 135,424 | 3 |
| AS8414 | International Telecommunication Union | isp | 131,584 | 1 |
| AS13283 | Bank Julius Baer & Co. AG | banking | 131,072 | 1 |
| AS25021 | Etat de Fribourg | business | 131,072 | 0 |
| AS6772 | ImproWare AG | business | 116,224 | 1 |
| AS8821 | WWZ Telekom AG | isp | 108,544 | 3 |
| AS9044 | BSE Software GmbH | business | 101,632 | 6 |
Largest cities by reference population
GeoNames reference data; this is not a count of located IP addresses.
- Zürich · 415,367
- Geneva · 201,741
- Basel · 177,595
- Lausanne · 139,111
- Bern · 121,631
- Winterthur · 111,840
- Luzern · 81,691
- Sankt Gallen · 75,833
- Lugano · 63,185
- Biel/Bienne · 55,120
Hosting counts use ASN organization classifications. VPN counts include distinct exit prefixes with a source-provided country seen within seven days of this snapshot; zero means no known evidence, not absence. Country and city references: GeoNames (CC BY 4.0).