AS50128 — CNC CNC, a.s.

AS50128 announces 4 IPv4 prefixes covering 2,048 addresses and 15 IPv6 prefixes.

About this network

CNC is the AS handle for CNC, a.s., a Slovak IT services provider.

What it's used for

• The address space carries corporate IT infrastructure, evidenced by netnames SK-CNCAS-20091118 and CNC-DC-SERVICES associated with the registrant CNC, a.s.
• The AS announces 2048 IPv4 addresses and 16 IPv6 prefixes, with 12 observed neighbours, indicating a business network with moderate peering rather than a large access or transit provider.
• Traffic from this AS consists of web and API endpoints, office workers, and internal corporate services, consistent with CNC, a.s.'s business of delivering tailored IT operations and secure solutions.

Notable

• Registrants for the majority of prefixes align with the announcer, listing CNC, a.s. and CNC ISP role object, while the prefix 194.1.130.0/24 is registered to NAPRI s.r.o.
• The address inventory is composed of four IPv4 prefixes and ten IPv6 prefixes, with the largest IPv4 block being 109.71.68.0/22.

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

Announced prefixes

• 109.71.64.0/23
• 109.71.67.0/24
• 109.71.68.0/22
• 194.1.130.0/24
• 2a02:6300::/42
• 2a02:6300:31::/48
• 2a02:6300:32::/47
• 2a02:6300:34::/46
• 2a02:6300:38::/45
• 2a02:6300:40::/42
• 2a02:6300:80::/41
• 2a02:6300:100::/40
• 2a02:6300:200::/39
• 2a02:6300:400::/38
• 2a02:6300:800::/37
• 2a02:6300:1000::/36
• 2a02:6300:2000::/35
• 2a02:6300:4000::/34
• 2a02:6300:8000::/33

Upstream networks

• AS5578 SWAN, a.s.
• AS6939 Hurricane Electric LLC
• AS3303 Swisscom (Schweiz) AG
• AS33891 Core-Backbone GmbH

Downstream networks

• AS57801 SK-NIC, a.s.

Adjacent networks

• AS5578 SWAN, a.s.
• AS57801 SK-NIC, a.s.
• AS6939 Hurricane Electric LLC
• AS3303 Swisscom (Schweiz) AG
• AS33891 Core-Backbone GmbH
• AS8218 Zayo Infrastructure France SA

Routing security

• RPKI: 1 valid, 0 invalid and 2 not-found announcements; 1 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 3 route objects.
• Listed in as-sets: AS-CNC-CUSTOMERS, AS-EMAXSIXPEERS, AS-ENERGOTEL_SIX_PEERS, AS-LIGHTSTORM, AS-SIXSK-MEMBERS, AS-SIXSTIP-SET, AS-SWAN, AS42000:AS-SIXSK-PEERINGS, AS5578:AS-SIXPEERS, AS57801:AS-TRANSIT-ANYCAST.

Internet exchanges

• Slovak Internet eXchange Bratislava — Bratislava, Slovakia