AS48348 — cloudbuilders Cloud Builders SA

AS48348 announces 8 IPv4 prefixes covering 11,520 addresses and 1 IPv6 prefixes.

About this network

The AS handle CLOUDBUILDERS is held by Cloud Builders SA.

What it's used for

• The address space carries hosting and enterprise infrastructure, evidenced by reverse DNS entries pointing to redes.interdominios.host and netnames such as ES-CLOUDBUILDERS and ES-IDCGAMES.
• The AS announces 11,520 IPv4 addresses across 13 prefixes and 1 IPv6 prefix, with 24 observed routing neighbours, indicating a role focused on hosting and enterprise connectivity rather than large-scale residential access.
• Traffic from this AS consists of web and API endpoints, office workers, and hosted services for clients, consistent with the operator's business as a hosting and IT services provider.

Notable

• Registrants largely align with the announcer, with most prefixes registered to Cloud Builders SA, though some blocks are registered to IDC GAMES SL and Espacio Rack S.L.
• The address inventory is finely subdivided into multiple /22, /23, and /24 blocks, reflecting an internal corporate estate with site-by-site segmentation.

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

Announced prefixes

• 89.248.96.0/20
• 93.174.0.0/21
• 185.15.76.0/22
• 185.80.4.0/22
• 185.86.248.0/22
• 185.208.216.0/22
• 193.219.96.0/24
• 213.226.108.0/22
• 2a05:7900::/29

Upstream networks

• AS3223 Voxility LLP
• AS43833 OPEN CABLE TELECOMUNICACIONES, S.L.
• AS3257 GTT Communications Inc.
• AS12956 TELEFONICA GLOBAL SOLUTIONS SL
• AS174 Cogent Communications, LLC
• AS6939 Hurricane Electric LLC
• AS34549 meerfarbig GmbH & Co. KG
• AS33891 Core-Backbone GmbH
• AS5405 Inter.link GmbH
• AS24482 SG.GS
• AS37721 Virtual Technologies & Solutions

Downstream networks

• AS35486 TIC NEXT INDUSTRIES S.L.

Adjacent networks

• AS3223 Voxility LLP
• AS43833 OPEN CABLE TELECOMUNICACIONES, S.L.
• AS3257 GTT Communications Inc.
• AS12956 TELEFONICA GLOBAL SOLUTIONS SL
• AS174 Cogent Communications, LLC
• AS35486 TIC NEXT INDUSTRIES S.L.
• AS6939 Hurricane Electric LLC
• AS34549 meerfarbig GmbH & Co. KG
• AS33891 Core-Backbone GmbH
• AS5405 Inter.link GmbH
• AS24482 SG.GS
• AS37721 Virtual Technologies & Solutions

Routing security

• RPKI: 35 valid, 0 invalid and 2 not-found announcements; 37 ROAs.
• ASPA: none published.
• IRR: 43% of announcements registered; 21 route objects.
• Listed in as-sets: AS-INTERDOMINIOS, AS-PRODUCMEDIA, AS48793:AS-DECIX-MAD-CONNECTED, AS48793:AS-DECIX-MAD-RS, AS48793:AS-DECIX-MAD-RS-V6.

Internet exchanges

• DE-CIX Madrid — Madrid, Spain