Autonomous system
AS21273: Swisscom (Schweiz) AG
Switzerland · business ISP
What this tells you
- The same operator runs 12 other networks, and a larger one (AS3303) carries more of their users, so this network is only part of their footprint.
Countries in this space
Space we can place in a country covers 100% of this network's IPv4 space and 100% of its IPv6 space. The table below divides that space.
| Country | IPv4 share | IPv6 share | |
|---|---|---|---|
| Switzerland | 100% | 100% |
Organisations holding assignments here
Registered organisations account for 100% of this network's IPv4 space and 100% of its IPv6 space. The table below divides that space. Registered holders come from the bulk whois that RIPE, APNIC and AFRINIC publish. ARIN and LACNIC do not publish theirs, so space held in North and South America is largely unattributed here.
| Organisation | IPv4 share | IPv6 share | |
|---|---|---|---|
| Swisscom (Schweiz) AG | 100% | 100% |
Anonymizer signals
None of this space carries an anonymiser or hosting flag.
Other networks from this operator (12 in total)
| ASN | Name | Estimated users |
|---|---|---|
| AS3303 | Swisscom (Schweiz) AG | 4,005,945 |
| AS6837 | Swisscom (Schweiz) AG | - |
| AS8300 | Swisscom (Schweiz) AG | - |
| AS12429 | Swisscom (Schweiz) AG | - |
| AS44038 | Swisscom (Schweiz) AG | - |
| AS51163 | Swisscom (Schweiz) AG | - |
| AS57370 | Swisscom (Schweiz) AG | - |
| AS60633 | Swisscom (Schweiz) AG | - |
See the combined view for Swisscom (Schweiz) AG, where all 13 of their networks are totalled together.
Every figure on this page is also JSON: /api/v2/directory/asn/21273. Breakdowns paginate from there, so a table showing the largest rows here returns all of them. Read the API.