AS219265 — FROP-AS Tjerk Jan Vonk

AS219265 announces 1 IPv4 prefixes covering 256 addresses and 1 IPv6 prefixes.

About this network

FROP-AS is operated by Tjerk Jan Vonk.

What it's used for

• The address space carries research and educational traffic, identified by the netname FROP4NET and the registrant FROP Blackhole Operations.
• The AS announces 256 IPv4 addresses and 1 IPv6 prefix, maintaining 27 observed neighbours; this ratio of limited address space against a moderate number of peers indicates a regional research network rather than a large-scale access provider.
• Traffic from this AS consists of academic and research endpoints associated with the FROP network infrastructure.

Notable

• The RDAP registrant Tjerk Jan Vonk and the netname FROP4NET align with the AS holder, confirming consistent ownership of the announced space.
• The inventory consists of a single IPv4 prefix, 150.251.61.0/24, and a single IPv6 prefix, 2001:67c:2240::/48, representing a compact and focused address allocation.

This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.

Announced prefixes

• 150.251.61.0/24
• 2001:67c:2240::/48

Upstream networks

• AS200132 Peter-Paul Maria Kurstjens
• AS8283 Netwerkvereniging Coloclue
• AS41051 Openfactory GmbH
• AS24482 SG.GS
• AS34019 Hivane Association
• AS37721 Virtual Technologies & Solutions
• AS34927 iFog GmbH

Adjacent networks

• AS200132 Peter-Paul Maria Kurstjens
• AS8283 Netwerkvereniging Coloclue
• AS41051 Openfactory GmbH
• AS24482 SG.GS
• AS34019 Hivane Association
• AS37721 Virtual Technologies & Solutions
• AS34927 iFog GmbH

Routing security

• RPKI: 2 valid, 0 invalid and 0 not-found announcements; 2 ROAs.
• ASPA: 3 authorised providers.
• IRR: 100% of announcements registered; 2 route objects.
• Listed in as-sets: AS-HURRICANEV6, AS-RETN-ACTUAL-V4, AS-RETN-ACTUAL-V6, AS200132:AS-NETONE-NL, AS219265:AS-FROP, AS37989:AS-SG, AS41051:AS-PARTICIPANTS, AS8283:AS-COLOCLUE.

Internet exchanges

• The Frys Internet Exchange — Frysian, Netherlands