AS49870 — AS49870-BV Alsycon B.V.

Network type: hosting

AS49870 announces 19 IPv4 prefixes covering 7,424 addresses and 1 IPv6 prefixes.

About this network

AS49870-BV is operated by Alsycon B.V.

What it's used for

• The address space carries hosting and dedicated server infrastructure, evidenced by reverse DNS entries such as hosted-by.alsycon.net and hosted-by.europededicated.com, alongside specific client subdomains like s01.research.oasis-security.io.
• The network announces 7,680 IPv4 addresses across 18 prefixes and maintains 63 observed neighbours, a ratio consistent with a hosting provider offering direct connectivity to various upstreams and peers.
• Traffic from this AS consists of web and API endpoints, dedicated server workloads, and business customer solutions hosted within Alsycon's datacenter facilities.

Notable

• Registrants align with the announcer for the majority of the inventory, with Alsycon B.V. listed for netnames NL-ALSYCON-20190710, COMPANYTOTAL, and ALSYCON-CUSTOMERS.
• Several prefixes, including 160.119.64.0/22 and 196.61.64.0/22, are registered to HostUS Solutions LLC under the netname ORG-HSL1-AFRINIC, indicating leased or transferred address space.
• The inventory is a mix of /22 and /24 blocks, with a single IPv6 prefix 2a0e:3980::/29 announced.

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

Announced prefixes

• 2.56.167.0/24
• 45.81.22.0/23
• 45.95.144.0/24
• 45.95.146.0/23
• 77.83.240.0/24
• 89.116.202.0/24
• 89.190.156.0/24
• 89.190.159.0/24
• 160.119.64.0/22
• 160.119.69.0/24
• 160.119.71.0/24
• 160.119.74.0/23
• 160.119.76.0/23
• 160.119.78.0/24
• 169.239.130.0/24
• 185.224.128.0/24
• 194.50.16.0/24
• 196.61.64.0/22
• 212.107.12.0/24
• 2a0e:3980::/29

Upstream networks

• AS57717 FiberXpress BV
• AS1299 Arelion Sweden AB
• AS174 Cogent Communications, LLC
• AS3257 GTT Communications Inc.
• AS13194 UAB "Bite Lietuva"
• AS6939 Hurricane Electric LLC
• AS202365 Omer GOLGELI
• AS1257 Tele2 Sverige AB
• AS58057 Securebit AG
• AS56662 Marcin Gondek
• AS1103 SURF B.V.
• AS24482 SG.GS
• AS9002 RETN Limited

Downstream networks

• AS209101 IP Vendetta Inc.
• AS49305 Alsycon B.V.
• AS7489 HostUS
• AS51942 EK-Media B.V.
• AS218859 IT HELP LCC
• AS401146 TURNEL
• AS208911 Alsycon B.V.
• AS209425 KOI CLOUD SERVICES (Pty) Ltd

Adjacent networks

• AS57717 FiberXpress BV
• AS1299 Arelion Sweden AB
• AS174 Cogent Communications, LLC
• AS209101 IP Vendetta Inc.
• AS49305 Alsycon B.V.
• AS6939 Hurricane Electric LLC
• AS3257 GTT Communications Inc.
• AS51942 EK-Media B.V.
• AS7489 HostUS
• AS13194 UAB "Bite Lietuva"
• AS218859 IT HELP LCC
• AS401146 TURNEL
• AS208911 Alsycon B.V.
• AS202365 Omer GOLGELI
• AS37721 Virtual Technologies & Solutions
• AS24482 SG.GS
• AS3303 Swisscom (Schweiz) AG
• AS1103 SURF B.V.
• AS34019 Hivane Association
• AS31500 Global Network Management Inc
• AS34927 iFog GmbH
• AS25091 IP-Max SA
• AS209425 KOI CLOUD SERVICES (Pty) Ltd
• AS1257 Tele2 Sverige AB
• AS9002 RETN Limited

Routing security

• RPKI: 16 valid, 0 invalid and 8 not-found announcements; 17 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 29 route objects.
• Listed in as-sets: AS-ALSYCON, AS-BITE-LT, AS-GTTCUST6, AS-HURRICANE, AS-HURRICANEV6, AS-IX, AS-MANDA-AMSIX-PEERS-V4, AS-RETN-ACTUAL-V4, AS204464:AS-BLACKLIST, AS3303:AS-SWCMPEERS.

Internet exchanges

• The Frys Internet Exchange — Frysian, Netherlands
• Speed Internet Exchange — Dronten, Netherlands
• Baltic Internet Exchange — Vilnius, Lithuania