$ query “AS50833” --type=asn → 1 result(s)
AS50833 · FIBERTEL-AS
FIBER TELECOM s.r.o.
AS50833 is owned by FIBER TELECOM s.r.o. and is a mid-size transit provider, based in Czechia since 2011. The system announces 6 912 IPv4 addresses, and supports IPv6. The bulk of its IP address space is in Czechia.
- Top 5% — Top 5% of all autonomous systems by reach and degree
Basic Information
- Country
- 🇨🇿 Czechia
- Category
- Internet Service Provider
- Network Role
- Mid-size Transit
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Registered
- February 03, 2011
- Last Changed
- May 01, 2026
- Last Seen
- May 13, 2026 (active)
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 4 / 4
- IPv6 Prefixes (raw / aggregated)
- 4 / 4
- IPv4 Addresses
- 6 912
- Largest IPv4 Prefix
- /20 (4 096 addresses)
- Largest IPv6 Prefix
- /48
- Geolocated Countries
- 🇨🇿 Czechia (13 568 IPs)
- Prefix Changed
- April 21, 2026
Reputation
- Reputation
- Pristine — 0 flagged IPs
Connectivity Summary
- Upstream Providers
- 4 upstreams providing transit
- Peers
- 19 networks exchanging traffic without transit
- Downstream Customers
- 10 downstreams buying transit
- Unclassified
- 4 unclassified BGP neighbors
- Degree
- 37 unique BGP neighbors
- Reach
- 10 networks in customer cone
Upstream Providers (4)
Prefix Lists
IPv4 Prefixes (4 total)
- 193.150.128.0/20 (4 096 addresses (/20 prefix))
- 146.255.24.0/21 (2 048 addresses (/21 prefix))
- 45.159.110.0/23 (512 addresses (/23 prefix))
- 91.224.59.0/24 (256 addresses (/24 prefix))
IPv6 Prefixes (4 total)
- 2a10:24c0:272::/48
- 2a10:24c0:6c2::/48
- 2a10:24c0:ad1b::/48
- 2a10:24c0:ada1::/48