AS51377 — COMASYS CoMaSys ApS

AS51377 announces 2 IPv4 prefixes covering 1,280 addresses and 1 IPv6 prefixes.

About this network

COMASYS is operated by CoMaSys ApS, a Danish IT reseller and network solutions provider based in Odense.

What it's used for

• The address space carries corporate and client infrastructure, evidenced by netnames DK-COMASYS1-20170629 and DK-COMASYS1-20050531 registered to NOC; CoMaSys ApS; Abuse-C Role.
• The AS announces 1280 IPv4 addresses across 2 prefixes and 1 IPv6 prefix, with only 1 observed neighbour, indicating a small-scale access or internal corporate network rather than a transit provider.
• Traffic consists of IT services for smaller businesses, including internet connectivity, VoIP, and cloud-based solutions, as described by the operator's service portfolio.

Notable

• Registrants for both announced IPv4 prefixes align with the AS holder, listing CoMaSys ApS as the responsible entity.
• The address inventory is compact, consisting of one /22 and one /24 block, consistent with a specialized IT service provider rather than a large-scale ISP.

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

Announced prefixes

• 185.210.176.0/22
• 193.221.124.0/24
• 2a0b:b3c0::/29

Upstream networks

• AS34766 atom86 BV

Adjacent networks

• AS34766 atom86 BV

Routing security

• RPKI: 6 valid, 0 invalid and 0 not-found announcements; 4 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 9 route objects.
• Listed in as-sets: AS-GCNETDKV6, AS-HWNG-DOWNSTREAMS, AS-LAYER23:AS-CUSTOMERS, AS12703:AS-PEERS, AS31027:AS-GCNET-LEGACY, AS31027:AS-GCNETDK, AS31027:AS-NIANET.