AS57758 — CBWS-AS CBWS Holding B.V.

AS57758 announces 2 IPv4 prefixes covering 1,280 addresses and 8 IPv6 prefixes.

About this network

CBWS-AS is operated by CBWS Holding B.V.

What it's used for

• The address space carries infrastructure and access traffic, evidenced by reverse DNS entries such as b9a7cefe.ipv4.multiserve.nl and et-0/0/1.1510.r1.nl-ams.cbws.network.
• The AS announces 1280 IPv4 addresses and 8 IPv6 prefixes while maintaining 65 observed neighbours, a ratio indicative of a transit or network service provider role.
• Traffic from this AS includes web and API endpoints, as well as backhaul for the operator's network services in the Netherlands.

Notable

• Registrants for the announced prefixes are consistent with the announcer, listing CBWS - NOC, CBWS Holding B.V., and CBWS B.V. alongside abuse contacts.
• The inventory consists of two IPv4 prefixes and eight IPv6 prefixes, all located in the Netherlands.

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

Announced prefixes

• 185.142.141.0/24
• 185.167.204.0/22
• 2a0b:b600:110::/44
• 2a0b:b600:2000::/37
• 2a0b:b600:3802::/47
• 2a0b:b600:3c04::/48
• 2a0b:b602:1000::/36
• 2a0b:b602:2000::/35
• 2a0b:b602:4000::/36
• 2a0b:b602:8000::/36

Upstream networks

• AS6939 Hurricane Electric LLC
• AS20562 Broadband Hosting B.V.
• AS174 Cogent Communications, LLC
• AS24785 Broadband Hosting B.V.
• AS24482 SG.GS
• AS25091 IP-Max SA
• AS1103 SURF B.V.
• AS31500 Global Network Management Inc
• AS37100 SEACOM Limited
• AS37721 Virtual Technologies & Solutions
• AS50673 Serverius Holding B.V.
• AS34019 Hivane Association
• AS6696 VERIXI SA
• AS34927 iFog GmbH
• AS48185 team.blue NV
• AS17639 Converge ICT Solutions Inc.

Downstream networks

• AS213535 YottaSrc
• AS211593 HNielsen Technologies ApS
• AS201801 Christian Wittenberg trading as Zerospace Cloud

Adjacent networks

• AS6939 Hurricane Electric LLC
• AS213535 YottaSrc
• AS174 Cogent Communications, LLC
• AS20562 Broadband Hosting B.V.
• AS211593 HNielsen Technologies ApS
• AS201801 Christian Wittenberg trading as Zerospace Cloud
• AS24785 Broadband Hosting B.V.
• AS24482 SG.GS
• AS1103 SURF B.V.
• AS25091 IP-Max SA
• AS34927 iFog GmbH
• AS37100 SEACOM Limited
• AS31500 Global Network Management Inc
• AS50673 Serverius Holding B.V.
• AS6696 VERIXI SA
• AS34019 Hivane Association
• AS37721 Virtual Technologies & Solutions
• AS17639 Converge ICT Solutions Inc.
• AS48185 team.blue NV

Routing security

• RPKI: 16 valid, 0 invalid and 0 not-found announcements; 18 ROAs.
• ASPA: none published.
• IRR: 88% of announcements registered; 27 route objects.
• Listed in as-sets: AS-CVO, AS-HURRICANEV6, AS-LSC-IXP-CONNECTED, AS20473:AS-VULTR, AS57758:AS-CBWS, AS7545:AS-TPGN-CUSTOMERS.

Internet exchanges

• Neutral Internet Exchange — Amsterdam, Netherlands
• The Frys Internet Exchange — Frysian, Netherlands
• Speed Internet Exchange — Dronten, Netherlands
• LayerSwitch Internet Exchange — The Hague, Netherlands