$ query “AS50917” --type=asn → 1 result(s)

AS50917 · DIEDERIK-AS

Diederik Focko de Zee

AS50917 belongs to Diederik Focko de Zee and is a mid-size transit provider, established in the Netherlands in 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
June 22, 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
8 upstreams providing transit
Peers
34 networks exchanging traffic without transit
Downstream Customers
18 downstreams buying transit
Unclassified
3 unclassified BGP neighbors
Degree
63 unique BGP neighbors
Reach
158 networks in customer cone

Upstream Providers (8)

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