$ query “AS51691” --type=asn → 1 result(s)
AS51691 · FSOL-AS
F-Solutions Oy
AS51691 is operated by F-Solutions Oy and serves as a residential access provider, registered in Finland since 2010. The system announces 6 144 IPv4 addresses, and supports IPv6. The bulk of its IP address space is in Finland.
Basic Information
- Country
- 🇫🇮 Finland
- Category
- Internet Service Provider
- Network Role
- Access Provider
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Registered
- October 20, 2010
- Last Changed
- October 03, 2026
- Last Seen
- October 12, 2026 (active)
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 4 / 2
- IPv6 Prefixes (raw / aggregated)
- 2 / 2
- IPv4 Addresses
- 6 144
- Largest IPv4 Prefix
- /20 (4 096 addresses)
- Largest IPv6 Prefix
- /32
- Geolocated Countries
- 🇫🇮 Finland (6 144 IPs)
- Prefix Changed
- March 04, 2026
Reputation
- Reputation
- Pristine — 0 flagged IPs
Connectivity Summary
- Upstream Providers
- 2 upstreams providing transit
- Downstream Customers
- 1 downstream buying transit
- Unclassified
- 2 unclassified BGP neighbors
- Degree
- 5 unique BGP neighbors
- Reach
- 1 network in customer cone
Upstream Providers (2)
Prefix Lists
IPv4 Prefixes (4 total)
- 37.16.96.0/20 (4 096 addresses (/20 prefix))
- 178.213.232.0/21 (2 048 addresses (/21 prefix))
IPv6 Prefixes (2 total)
- 2a00:4cc1::/32
- 2a00:4cc2::/32