AS37517 — CVTS1

AS37517 announces 18 IPv4 prefixes covering 47,104 addresses and 1 IPv6 prefixes.

About this network

The AS handle CVTS1 is operated by Alou, formerly known as Cabo Verde Telecom.

What it's used for

• The address space carries telecommunications services, with netnames like ORG-CVTS1-AFRINIC and CVTELE-CGNT-NET-1 indicating the operator's core infrastructure.
• A portion of the inventory, specifically the /21 blocks in the 154.203.0.0/16 and 156.232.0.0/16 ranges, is registered to Cloud Innovation Ltd under the netname ORG-CIL1-AFRINIC, suggesting hosted or leased capacity.
• The AS announces 47104 IPv4 addresses across 18 prefixes and 1 IPv6 prefix, while maintaining 104 observed neighbours, a ratio consistent with a national access and transit provider.

Notable

• Registrants are split between CABO VERDE TELECOM, S.A for the majority of prefixes and Cloud Innovation Ltd for six /21 blocks.
• The operator was formerly known as Cabo Verde Telecom before rebranding to Alou.
• The address inventory is a mix of large /19 and /20 blocks owned by the telecom and smaller /21 and /22 blocks, some of which are registered to a third-party cloud provider.

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

Announced prefixes

• 38.44.64.0/20
• 41.74.128.0/20
• 41.215.208.0/20
• 41.221.192.0/20
• 102.207.152.0/22
• 102.209.52.0/22
• 102.209.160.0/22
• 102.211.8.0/22
• 102.213.204.0/22
• 102.220.164.0/22
• 154.203.64.0/21
• 154.203.232.0/21
• 156.232.56.0/21
• 156.233.144.0/21
• 156.238.40.0/21
• 156.252.136.0/21
• 165.90.96.0/19
• 197.255.128.0/20
• 2c0f:f438::/32

Upstream networks

• AS1299 Arelion Sweden AB
• AS6939 Hurricane Electric LLC
• AS37468 Angola Cables
• AS34549 meerfarbig GmbH & Co. KG
• AS37721 Virtual Technologies & Solutions
• AS48362 Stadtwerke Feldkirch
• AS37100 SEACOM Limited
• AS34019 Hivane Association
• AS12779 IT.Gate S.p.A.
• AS20485 Joint Stock Company TransTeleCom
• AS24482 SG.GS
• AS57463 NetIX Communications JSC
• AS1836 green.ch AG
• AS212024 Marc Schmitt
• AS33891 Core-Backbone GmbH
• AS12859 BIT BV

Downstream networks

• AS328148 Agence De l'Informatique de l'Etat
• AS328941 CABO VERDE TELECOM, S.A
• AS327862 NOSi EPE

Adjacent networks

• AS1299 Arelion Sweden AB
• AS328148 Agence De l'Informatique de l'Etat
• AS6939 Hurricane Electric LLC
• AS37468 Angola Cables
• AS37613 DOLPHIN TELECOMMUNICATION LIMITED
• AS34549 meerfarbig GmbH & Co. KG
• AS327862 NOSi EPE
• AS328941 CABO VERDE TELECOM, S.A
• AS24482 SG.GS
• AS37721 Virtual Technologies & Solutions
• AS34019 Hivane Association
• AS20485 Joint Stock Company TransTeleCom
• AS37100 SEACOM Limited
• AS1836 green.ch AG
• AS57463 NetIX Communications JSC
• AS12779 IT.Gate S.p.A.
• AS48362 Stadtwerke Feldkirch
• AS212024 Marc Schmitt
• AS12859 BIT BV
• AS33891 Core-Backbone GmbH
• AS17639 Converge ICT Solutions Inc.
• AS37575 UNITEL T+ Telecomunicacoes, Sociedade Unipessoal, S.A.

Internet exchanges

• DE-CIX Frankfurt — Frankfurt, Germany
• DE-CIX Lisbon — Lisbon, Portugal
• Gigabit Portuguese Internet Exchange Point — Lisbon, Portugal