$ query “AS50399” --type=asn → 1 result(s)

AS50399 · OPENLINE-AS

Open Line BV

AS50399 is operated by Open Line BV and serves as a content network, registered in the Netherlands since 2010. The system announces 7 168 IPv4 addresses, and supports IPv6. Its primary geographic footprint is in the Netherlands.

Basic Information

Country
🇳🇱 Netherlands
Category
Hosting
Network Role
Content Network
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Registered
January 06, 2010
Last Changed
September 01, 2026
Last Seen
September 09, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
26 / 7
IPv6 Prefixes (raw / aggregated)
8 / 4
IPv4 Addresses
7 168
Largest IPv4 Prefix
/21 (2 048 addresses)
Largest IPv6 Prefix
/32
Geolocated Countries
🇳🇱 Netherlands (14 336 IPs)
Prefix Changed
August 29, 2026

Reputation

Reputation
Pristine — 0 flagged IPs

Connectivity Summary

Upstream Providers
3 upstreams providing transit
Peers
46 networks exchanging traffic without transit
Unclassified
2 unclassified BGP neighbors
Degree
51 unique BGP neighbors
Reach
0 networks in customer cone

Upstream Providers (3)

  • AS3356 — LEVEL3 (Tier-1 transit)
  • AS24785 — JOINTTRANSIT-AS
  • AS20562 — OPEN-PEERING-AS (Tier-1 transit)

Prefix Lists

IPv4 Prefixes (26 total)

  • 92.42.232.0/21 (2 048 addresses (/21 prefix))
  • 109.232.40.0/21 (2 048 addresses (/21 prefix))
  • 185.3.204.0/22 (1 024 addresses (/22 prefix))
  • 185.223.140.0/22 (1 024 addresses (/22 prefix))
  • 185.23.218.0/23 (512 addresses (/23 prefix))
  • 91.209.213.0/24 (256 addresses (/24 prefix))
  • 185.150.159.0/24 (256 addresses (/24 prefix))

IPv6 Prefixes (8 total)

  • 2a00:11e8::/32
  • 2a03:3300::/32
  • 2001:678:1288::/48
  • 2a10:dac0:100::/48