Quadruple a.s.
AS33943 is Quadruple a.s. (quadruple.cz). It announces 8,192 IPv4 addresses in 1 prefixes, and 1 IPv6 prefixes.
Czechia· RIPE· allocated 2004-09-14· 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.
- Czechia8,192 · 100.00%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- CBEZDRAT-AS
- name
- Quadruple a.s.
- org
- ORG-QA131-RIPE
- org name
- Quadruple a.s.
- org address
- Starokolinska 306, 190 16, Prague, CZECH REPUBLIC
- org country
- CZ
- country
- CZ
- source
- ripe
- status
- ASSIGNED
- created
- 2004-09-14
- updated
- 2026-09-02
- maintainer
- RIPE-NCC-END-MNT|CZ-QUADRUPLE-1-MNT
- abuse name
- Abuse-C Role
- abuse email
- q3-support@quadruple.cz
- 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.
- VPN IP149draytek1.82%
- geonix, anyip, proxyseller0.55%
- None here
- dataimpulse0.01%
- None here
- None here
- Hosting IP3,84046.88%
- None here
- None here
- None here
- SSH IP1421.73%
- SMTP IP190.23%
- 1.62%
IPv4 prefixes
Every IPv4 prefix BGP Route saw it announce. A prefix another AS also announces says so.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 84.19.64.0/19 | Czechia | not found | 17 | 2026-10-02 |
IPv6 prefixes
Every IPv6 prefix BGP Route saw it announce.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 2a0a:8380::/29 | Czechia | not found | 20 | 2026-10-02 |
Test the real build first.
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