AS38930 — FIBERRING Amsterdam, Netherlands

AS38930 announces 4 IPv4 prefixes covering 9,728 addresses and 1 IPv6 prefixes.

About this network

FIBERRING is operated by LeaseWeb Network B.V., a Dutch network service provider trading as FiberRing.

What it's used for

• The address space carries infrastructure for a European network service provider, with reverse DNS entries like ge-5-18.fbx-r2.fiberring.net and te-3-3.791.fbx-r1.fiberring.net indicating fiber backbone and router interfaces.
• The AS announces 9,728 IPv4 addresses and 13 IPv6 prefixes, with 21 observed neighbours, a ratio consistent with a transit or network service provider role rather than an access network.
• Traffic from this AS is primarily inter-provider transit and backbone traffic, supporting FiberRing's role as a European NSP with nodes across 18 network locations.

Notable

• Registrants for the majority of prefixes are LeaseWeb Network B.V. (netname NL-FIBERRING-20051107), while 185.175.4.0/22 is registered to Greenshift SAS and 217.194.16.0/24 and 217.194.20.0/24 to Portavita B.V., indicating leased or historically acquired space.
• LeaseWeb Network B.V. trades under the names FiberRing and LeaseWeb, reflecting its dual identity as both a hosting provider and a network operator.
• The inventory includes a mix of /20, /21, /22, /23, and /24 IPv4 prefixes, with the largest block being 87.255.48.0/20.

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

Announced prefixes

• 87.255.32.0/19
• 185.175.4.0/22
• 217.194.16.0/24
• 217.194.20.0/24
• 2a00:ec8::/32

Upstream networks

• AS1299 Arelion Sweden AB
• AS174 Cogent Communications, LLC
• AS6453 TATA COMMUNICATIONS (AMERICA) INC
• AS3257 GTT Communications Inc.

Downstream networks

• AS56372 ValueCare Holding B.V.
• AS61005 OpenTLD BV
• AS25433 HenZ.nl B.V.
• AS207843 vBoxx B.V.
• AS16281 Utelisys Communications B.V.
• AS214988 McCloud.nl B.V.
• AS9017 Marcus van Dam
• AS43861 Circle B B.V.
• AS47482 Spectre Operations B.V.
• AS29141 Bradler & Krantz GmbH & Co. KG
• AS210532 HERITAGE GLOBAL TRADING CO. LIMITED
• AS50570 J.F. Hillebrand IT B.V.
• AS8283 Netwerkvereniging Coloclue
• AS201372 Mezzami B.V.

Adjacent networks

• AS1299 Arelion Sweden AB
• AS61005 OpenTLD BV
• AS174 Cogent Communications, LLC
• AS3257 GTT Communications Inc.
• AS6453 TATA COMMUNICATIONS (AMERICA) INC
• AS56372 ValueCare Holding B.V.
• AS25433 HenZ.nl B.V.
• AS207843 vBoxx B.V.
• AS43861 Circle B B.V.
• AS16281 Utelisys Communications B.V.
• AS214988 McCloud.nl B.V.
• AS9017 Marcus van Dam
• AS47482 Spectre Operations B.V.
• AS29141 Bradler & Krantz GmbH & Co. KG
• AS210532 HERITAGE GLOBAL TRADING CO. LIMITED
• AS8283 Netwerkvereniging Coloclue
• AS50570 J.F. Hillebrand IT B.V.
• AS201372 Mezzami B.V.