SIX Swiss Exchange AG
AS20743 is SIX Swiss Exchange AG. It announces 8,704 IPv4 addresses in 4 prefixes, and 2 IPv6 prefixes.
Switzerland· RIPE· allocated 2001-05-16· business
Where its space is
The IPv4 it announces that IP Geolocation places, by country. A /24 counts for the AS announcing most of it.
- Switzerland8,704 · 100.00%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- SWX
- name
- SIX Swiss Exchange AG
- org
- ORG-SSEA4-RIPE
- org name
- SIX Swiss Exchange AG
- org address
- Selnaustrasse 30, CH-8001 Zurich
- org country
- CH
- country
- CH
- source
- ripe
- status
- ASSIGNED
- created
- 2002-05-17
- updated
- 2017-11-15
- descr
- Zurich, Switzerland / www.six-swiss-exchange.com
- maintainer
- RIPE-NCC-END-MNT|SIX-GROUP-MNT
- abuse name
- Abuse Mailbox SIX Group
- abuse email
- dnsadmin@six-group.com
- abuse kind
- role
What the databases see
Addresses each address-keyed database holds in the IPv4 it announces, as a share of that space, with its largest providers. Counts overlap.
- 0.02%
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- 0.02%
IPv4 prefixes
Every IPv4 prefix BGP Route saw it announce. A prefix another AS also announces says so.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 146.109.145.0/24 | Switzerland | valid | 17 | 2026-10-02 |
| 146.109.153.0/24 | Switzerland | valid | 17 | 2026-10-02 |
| 146.109.160.0/19 | Switzerland | valid | 17 | 2026-10-02 |
| 146.109.161.0/24 | Switzerland | valid | 17 | 2026-10-02 |
IPv6 prefixes
Every IPv6 prefix BGP Route saw it announce.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 2a01:4642:100::/40 | Switzerland | valid | 20 | 2026-10-02 |
| 2a01:4642:c800::/40 | Switzerland | not found | 20 | 2026-10-02 |
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