AS29522 — CF-KRK Cyber_Folks S.A.

Network type: hosting

AS29522 announces 12 IPv4 prefixes covering 71,936 addresses and 0 IPv6 prefixes.

About this network

The AS handle CF-KRK is operated by CyberFolks S.A.

What it's used for

• The address space carries static residential and business connections, evidenced by reverse DNS entries such as 5E981000.static.tld.pl and netnames like KEI and CF-PL.
• With 71,936 IPv4 addresses announced across 18 prefixes and only 4 observed neighbours, the high address-to-neighbour ratio indicates an access network providing connectivity to end-users rather than a transit provider.

Notable

• Registrants for the majority of prefixes are listed as Network Operations Center CyberFolks S.A. or CyberFolks S.A., while the largest blocks (94.152.0.0/18, 94.152.64.0/18, 94.152.128.0/18) list KEI Administrator as the registrant, reflecting historical ownership or specific block management.
• The inventory consists primarily of large contiguous blocks in the 94.152.0.0/16 range, supplemented by smaller /22 and /24 allocations from various other ranges.

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

Announced prefixes

• 91.198.146.0/24
• 91.225.28.0/22
• 94.152.0.0/16
• 185.11.100.0/22
• 185.84.136.0/24
• 193.143.77.0/24
• 194.48.216.0/24
• 194.60.251.0/24
• 194.169.227.0/24
• 195.62.12.0/23
• 195.149.224.0/21
• 195.182.14.0/24

Upstream networks

• AS58321 Oxylion Sp. z o.o.
• AS36236 NetActuate, Inc

Adjacent networks

• AS58321 Oxylion Sp. z o.o.
• AS36236 NetActuate, Inc

Routing security

• RPKI: 29 valid, 0 invalid and 0 not-found announcements; 23 ROAs.
• ASPA: none published.
• IRR: 97% of announcements registered; 198 route objects.
• Listed in as-sets: AS-ATDS-SERVICES, AS-CTBC-TOOLS-6, AS-HWNG-DOWNSTREAMS, AS-IPARTNERS, AS-NETACTUATE, AS-NETIA-MSK-IX, AS-NETIA-PEERING, AS-NEXUSGUARD-CLIENTS, AS-OXYLION, AS-PLIX, AS-PLIX-CONNECTED, AS1221:AS-CUSTOMERS, AS12741:AS-LIM, AS24748:AS-IX, AS24748:AS-THINX, AS5617:AS-PL, AS5617:AS-WORLD-TRANSIT, AS58453:AS-ASIAASCUST, AS58453:AS-ASIAASCUST, AS58453:AS-ASIATEST, AS8246:AS-TPNET.