AS207176 — OPENFIBER OPENFIBER B.V.

Network type: residential

AS207176 announces 6 IPv4 prefixes covering 6,400 addresses and 1 IPv6 prefixes.

About this network

OPENFIBER is operated by OpenFiber B.V.

What it's used for

• The address space carries fiber optic infrastructure and residential connectivity, evidenced by reverse DNS entries such as a88-202-163-255.openfiber.nl and grh-core-1.openfiber.nl.
• The AS announces 6400 IPv4 addresses across 7 prefixes and 1 IPv6 prefix, while maintaining 130 observed neighbours; this ratio of moderate address space against a high number of peers indicates a transit and peering-heavy role for a regional ISP.
• Traffic from this AS consists of subscriber eyeballs and fiber-to-the-home connections for residential and business customers in the Netherlands.

Notable

• Registrants for the majority of prefixes align with the announcer, listing OpenFiber Role Account and OPENFIBER B.V. for netnames like NL-OPENFIBERBV-20051122 and NL-OPENFIBERBV-20190703.
• The prefix 81.173.47.0/24 is registered to Abuse-C Role under the netname NL-EK-MEDIA, which differs from the primary OpenFiber registrants.
• The inventory includes a mix of /21, /22, /23, and /24 blocks, with the largest being 88.202.160.0/21.

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

Announced prefixes

• 45.93.48.0/22
• 81.173.47.0/24
• 88.202.160.0/21
• 171.22.64.0/22
• 185.40.96.0/22
• 185.177.136.0/22
• 2a04:8400::/32

Upstream networks

• AS3356 Level 3 Parent, LLC
• AS20562 Broadband Hosting B.V.
• AS174 Cogent Communications, LLC
• AS6939 Hurricane Electric LLC
• AS24785 Broadband Hosting B.V.
• AS50304 Blix Solutions AS
• AS6830 Liberty Global Europe Holding B.V.
• AS204092 Association GRIFON
• AS3333 Reseaux IP Europeens Network Coordination Centre (RIPE NCC)
• AS50300 CustodianDC Limited
• AS24482 SG.GS
• AS213241 TECHIT.BE SRL
• AS48185 team.blue NV
• AS37721 Virtual Technologies & Solutions
• AS48362 Stadtwerke Feldkirch
• AS58057 Securebit AG
• AS6696 VERIXI SA
• AS34927 iFog GmbH
• AS12779 IT.Gate S.p.A.
• AS8434 Telenor Sverige AB
• AS20485 Joint Stock Company TransTeleCom
• AS37100 SEACOM Limited
• AS3303 Swisscom (Schweiz) AG
• AS12552 GlobalConnect AB
• AS57866 Fusix Networks B.V.

Downstream networks

• AS213577 Monta Services BV

Adjacent networks

• AS3356 Level 3 Parent, LLC
• AS20562 Broadband Hosting B.V.
• AS174 Cogent Communications, LLC
• AS6939 Hurricane Electric LLC
• AS213577 Monta Services BV
• AS6830 Liberty Global Europe Holding B.V.
• AS24785 Broadband Hosting B.V.
• AS50304 Blix Solutions AS
• AS48185 team.blue NV
• AS57866 Fusix Networks B.V.
• AS37721 Virtual Technologies & Solutions
• AS204092 Association GRIFON
• AS50300 CustodianDC Limited
• AS3333 Reseaux IP Europeens Network Coordination Centre (RIPE NCC)
• AS213241 TECHIT.BE SRL
• AS58057 Securebit AG
• AS24482 SG.GS
• AS48362 Stadtwerke Feldkirch
• AS202365 Omer GOLGELI
• AS3303 Swisscom (Schweiz) AG
• AS37100 SEACOM Limited
• AS12552 GlobalConnect AB
• AS20485 Joint Stock Company TransTeleCom
• AS34927 iFog GmbH
• AS12779 IT.Gate S.p.A.

Routing security

• RPKI: 9 valid, 0 invalid and 0 not-found announcements; 8 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 22 route objects.
• Listed in as-sets: AS-GTTCUST, AS-GTTCUST6, AS-HURRICANEV6, AS-JOINTTRANSIT, AS-LSC-IXP-CONNECTED, AS-MANDA-AMSIX-PEERS-V4, AS-MANDA-AMSIX-PEERS-V6, AS-NL-IX-RS, AS-OPENFIBER, AS-UBNIX, AS-UBNIX-V6, AS-UBNIX:AS-AMS, AS-UBNIX:AS-GLOBAL, AS2027:AS-PEERS, AS20847:AS-PREVIDER-PEERS, AS25091:AS-PEERS, AS3303:AS-SWCMPEERS, AS49685:AS-PEERS-AMSIX, AS6777:AS-AMS-IX-RS, AS6777:AS-AMS-IX-RS-SETS, AS6777:AS-AMS-IX-RS-SETS-V6, AS6777:AS-AMS-IX-RS-V6, AS680:AS-AMSIX-RS-PEERS, AS8298:AS-PEERS, AS9150:AS-PEERS-AMSIX.

Internet exchanges

• AMS-IX Amsterdam — Amsterdam, Netherlands
• Neutral Internet Exchange — Amsterdam, Netherlands
• Giganet Internet Exchange — Kyiv, Ukraine
• The Frys Internet Exchange — Frysian, Netherlands
• Speed Internet Exchange — Dronten, Netherlands
• InterIX Internet Exchange — Amsterdam, Netherlands
• ERA-IX Amsterdam — Amsterdam, Netherlands
• Nine IX — Paris, France
• EuroGIX — Strasbourg, France
• LayerSwitch Internet Exchange — The Hague, Netherlands