$ query “AS50917” --type=asn → 1 result(s)
AS50917 · DIEDERIK-AS
Diederik Focko de Zee
AS50917 is operated by Diederik Focko de Zee and serves as a mid-size transit provider, based in the Netherlands since 2022. The system announces 768 IPv4 addresses, and supports IPv6. Most of its address space is geolocated to the Netherlands.
- Top 5% — Top 5% of all autonomous systems by reach and degree
Basic Information
- Country
- 🇳🇱 Netherlands
- Category
- Hosting
- Network Role
- Mid-size Transit
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Registered
- July 19, 2022
- Last Changed
- March 04, 2026
- Last Seen
- April 14, 2026 (active)
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 3 / 3
- IPv6 Prefixes (raw / aggregated)
- 1 / 1
- IPv4 Addresses
- 768
- Largest IPv4 Prefix
- /24 (256 addresses)
- Largest IPv6 Prefix
- /48
- Geolocated Countries
- 🇳🇱 Netherlands (1 280 IPs)
- Prefix Changed
- March 04, 2026
Reputation
- Reputation
- Pristine — 0 flagged IPs
Connectivity Summary
- Upstream Providers
- 6 upstreams providing transit
- Peers
- 23 networks exchanging traffic without transit
- Downstream Customers
- 19 downstreams buying transit
- Unclassified
- 8 unclassified BGP neighbors
- Degree
- 56 unique BGP neighbors
- Reach
- 97 networks in customer cone
Upstream Providers (6)
Prefix Lists
IPv4 Prefixes (3 total)
- 45.152.39.0/24 (256 addresses (/24 prefix))
- 89.37.98.0/24 (256 addresses (/24 prefix))
- 103.141.12.0/24 (256 addresses (/24 prefix))
IPv6 Prefixes (1 total)
- 2001:678:7ec::/48