AS1140 — SIDN Stichting Internet Domeinregistratie Nederland

AS1140 announces 3 IPv4 prefixes covering 3,328 addresses and 1 IPv6 prefixes.

About this network

SIDN (Stichting Internet Domeinregistratie Nederland), the foundation that operates the .nl country-code top-level domain, one of the largest ccTLDs in the world.

What it's used for

• Running the registry and DNS infrastructure for .nl domain names.

Notable

• Critical national internet infrastructure run by a not-for-profit foundation, not a commercial ISP or host. The low AS number reflects an early RIPE-region allocation.

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

Announced prefixes

• 94.198.152.0/21
• 185.76.132.0/22
• 193.176.144.0/24
• 2a00:d78::/32

Upstream networks

• AS24785 Broadband Hosting B.V.
• AS1103 SURF B.V.
• AS6939 Hurricane Electric LLC
• AS9002 RETN Limited
• AS204092 Association GRIFON
• AS3333 Reseaux IP Europeens Network Coordination Centre (RIPE NCC)
• AS50300 CustodianDC Limited
• AS17639 Converge ICT Solutions Inc.
• AS24482 SG.GS
• AS48185 team.blue NV
• AS213241 TECHIT.BE SRL
• AS37721 Virtual Technologies & Solutions
• AS48362 Stadtwerke Feldkirch
• AS6696 VERIXI SA
• AS56655 Gigahost AS
• AS20485 Joint Stock Company TransTeleCom
• AS3303 Swisscom (Schweiz) AG
• AS37100 SEACOM Limited
• AS12552 GlobalConnect AB
• AS50673 Serverius Holding B.V.
• AS6461 Zayo Bandwidth
• AS29632 Netassist International EOOD

Adjacent networks

• AS24785 Broadband Hosting B.V.
• AS1103 SURF B.V.
• AS6939 Hurricane Electric LLC
• AS9002 RETN Limited
• AS48362 Stadtwerke Feldkirch
• AS48185 team.blue NV
• AS17639 Converge ICT Solutions Inc.
• AS37721 Virtual Technologies & Solutions
• AS204092 Association GRIFON
• AS50300 CustodianDC Limited
• AS3333 Reseaux IP Europeens Network Coordination Centre (RIPE NCC)
• AS213241 TECHIT.BE SRL
• AS24482 SG.GS
• AS20485 Joint Stock Company TransTeleCom
• AS50673 Serverius Holding B.V.
• AS6696 VERIXI SA
• AS56655 Gigahost AS
• AS3303 Swisscom (Schweiz) AG
• AS12552 GlobalConnect AB
• AS37100 SEACOM Limited
• AS6461 Zayo Bandwidth
• AS29632 Netassist International EOOD

Routing security

• RPKI: 12 valid, 0 invalid and 0 not-found announcements; 21 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 16 route objects.
• Listed in as-sets: AS-AS260-PEERS, AS-DDITS:AS-PEERS, AS-DOCLER:AS-PEERS, AS-ELASTIC-INTERCONNECT, AS-FINECOM-PEERS-AMSIX, AS-GBXSCUST, AS-GREEN-PEERS, AS-LIECOMTEL-PEERS, AS-MANDA-AMSIX-PEERS-V4, AS-MANDA-AMSIX-PEERS-V6, AS-NOBSURF, AS-OPENPEERINGPEERS, AS-PROLE, AS-RIS-RRC03, AS-SIDN, AS-SPEAKUP-AMSIX-RS, AS-SURFNET, AS-TITANAMSIX, AS-XO-B, AS1103:AS-SURF, AS1200:AS-AMS-IX-PEERS, AS13030:AS-PEERS, AS16243:AS-PEERS-AMSIX, AS20932:AS-PEERING, AS25151:AS-AMS-IX-PEERS.

Internet exchanges

• AMS-IX Amsterdam — Amsterdam, Netherlands
• Rotterdam Internet eXchange — Rotterdam, Netherlands
• Neutral Internet Exchange — Amsterdam, Netherlands