$ query “AS19366” --type=asn → 1 result(s)
AS19366 · FDL-42
Fibertown
AS19366 is operated by Fibertown and serves as a mid-size transit provider, registered in the United States since 2000. The system announces a respectable 17 408 IPv4 addresses. The bulk of its IP address space is in the United States. No IPv6 support — it's 2026, just saying.
Basic Information
- Country
- 🇺🇸 United States
- Category
- Hosting
- Network Role
- Mid-size Transit
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Registered
- December 22, 2000
- Last Changed
- April 01, 2026
- Last Seen
- May 13, 2026 (active)
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 10 / 9
- IPv6 Prefixes (raw / aggregated)
- 0 / 0
- IPv4 Addresses
- 17 408
- Largest IPv4 Prefix
- /20 (4 096 addresses)
- Geolocated Countries
- 🇺🇸 United States (21 504 IPs)
- Prefix Changed
- March 27, 2026
Reputation
- Reputation
- Pristine — 0 flagged IPs
Connectivity Summary
- Upstream Providers
- 6 upstreams providing transit
- Downstream Customers
- 10 downstreams buying transit
- Degree
- 16 unique BGP neighbors
- Reach
- 12 networks in customer cone
Upstream Providers (6)
Prefix Lists
IPv4 Prefixes (10 total)
- 97.107.0.0/20 (4 096 addresses (/20 prefix))
- 209.189.240.0/20 (4 096 addresses (/20 prefix))
- 216.81.32.0/20 (4 096 addresses (/20 prefix))
- 199.101.240.0/21 (2 048 addresses (/21 prefix))
- 209.189.224.0/21 (2 048 addresses (/21 prefix))
- 66.102.17.0/24 (256 addresses (/24 prefix))
- 192.149.125.0/24 (256 addresses (/24 prefix))
- 192.190.100.0/24 (256 addresses (/24 prefix))
- 198.46.67.0/24 (256 addresses (/24 prefix))