$ query “AS8251” --type=asn → 1 result(s)
AS8251 · NFX-ZSPO
FreeTel s.r.o.
AS8251 is owned by FreeTel s.r.o. and is a mid-size transit provider, registered in Czechia since 2006. The system announces a respectable 17 408 IPv4 addresses, and supports IPv6. Most of its address space is geolocated to Czechia.
- Top 5% — Top 5% of all autonomous systems by reach and degree
Basic Information
- Country
- 🇨🇿 Czechia
- Category
- Hosting
- Network Role
- Mid-size Transit
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Registered
- July 17, 2006
- Last Changed
- March 04, 2026
- Last Seen
- April 28, 2026 (active)
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 6 / 5
- IPv6 Prefixes (raw / aggregated)
- 1 / 1
- IPv4 Addresses
- 17 408
- Largest IPv4 Prefix
- /20 (4 096 addresses)
- Largest IPv6 Prefix
- /32
- Geolocated Countries
- 🇨🇿 Czechia (33 792 IPs)
- Prefix Changed
- March 04, 2026
Reputation
- Reputation
- Good — 2 flagged IPs out of 17 408 total (0.01%)
Connectivity Summary
- Upstream Providers
- 4 upstreams providing transit
- Peers
- 14 networks exchanging traffic without transit
- Downstream Customers
- 15 downstreams buying transit
- Unclassified
- 1 unclassified BGP neighbor
- Degree
- 34 unique BGP neighbors
- Reach
- 23 networks in customer cone
Upstream Providers (4)
Prefix Lists
IPv4 Prefixes (6 total)
- 31.47.96.0/20 (4 096 addresses (/20 prefix))
- 78.108.96.0/20 (4 096 addresses (/20 prefix))
- 81.201.48.0/20 (4 096 addresses (/20 prefix))
- 212.79.96.0/20 (4 096 addresses (/20 prefix))
- 185.99.64.0/22 (1 024 addresses (/22 prefix))
IPv6 Prefixes (1 total)
- 2a01:490::/32