$ query “AS33943” --type=asn → 1 result(s)
AS33943 · CBEZDRAT-AS
Quadruple a.s.
AS33943 is run by Quadruple a.s. and is a stub network, registered in Czechia since 2004. The system announces 8 192 IPv4 addresses, and supports IPv6. The bulk of its IP address space is in Czechia.
Basic Information
- Country
- 🇨🇿 Czechia
- Category
- Internet Service Provider
- Network Role
- Stub Network
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Registered
- September 14, 2004
- Last Changed
- September 03, 2026
- Last Seen
- September 08, 2026 (active)
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 1 / 1
- IPv6 Prefixes (raw / aggregated)
- 1 / 1
- IPv4 Addresses
- 8 192
- Largest IPv4 Prefix
- /19 (8 192 addresses)
- Largest IPv6 Prefix
- /29
- Geolocated Countries
- 🇨🇿 Czechia (16 384 IPs)
- Prefix Changed
- March 04, 2026
Reputation
- Reputation
- Pristine — 0 flagged IPs
Connectivity Summary
- Upstream Providers
- 1 upstream providing transit
- Degree
- 1 unique BGP neighbor
- Reach
- 0 networks in customer cone
Upstream Providers (1)
- AS21430 — WIA-AS
Prefix Lists
IPv4 Prefixes (1 total)
- 84.19.64.0/19 (8 192 addresses (/19 prefix))
IPv6 Prefixes (1 total)
- 2a0a:8380::/29