AS57981 — NCN-AS Kachanovskiy Sergey Sergeevich

AS57981 announces 2 IPv4 prefixes covering 1,536 addresses and 0 IPv6 prefixes.

About this network

The AS handle NCN-AS is held by Kachanovskiy Sergey Sergeevich.

What it's used for

• The address space carries residential dynamic IP traffic, evidenced by reverse DNS entries such as ip-57-255.dynamic.pool.ncn.od.ua and ip-114-128.ncn.od.ua.
• The network announces 1536 IPv4 addresses across 2 prefixes and maintains 5 observed neighbours, a ratio consistent with an access or eyeball network rather than a transit provider.
• Traffic from this AS consists of subscriber internet access for end-users in the Odesa region of Ukraine.

Notable

• Registrants for the two announced prefixes differ: 91.215.56.0/22 is registered to Voronenko Olena Kostyantunivna (netname ORG-VOK1-RIPE), while 91.237.114.0/23 is registered to Kachanovskiy Sergey Sergeevich (netname NCN).
• The inventory consists of two distinct IPv4 blocks with no IPv6 prefixes announced.

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

Announced prefixes

• 91.215.56.0/22
• 91.237.114.0/23

Upstream networks

• AS43103 ONE TELECOM ltd
• AS199995 Omega Telecom LLC
• AS24482 SG.GS

Adjacent networks

• AS43103 ONE TELECOM ltd
• AS199995 Omega Telecom LLC
• AS24482 SG.GS

Routing security

• RPKI: 0 valid, 0 invalid and 5 not-found announcements; 0 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 8 route objects.
• Listed in as-sets: AS-HURRICANE, AS-LIMANET, AS-NCN, AS-NEWLINE, AS-RETN-ACTUAL-V4, AS-RUDAKI-IX, AS-UBNIX, AS-UBNIX:AS-GLOBAL, AS-UBNIX:AS-ODS, AS-VOLSBUD, AS199995:AS-EXT, AS199995:AS-PEER, AS21011:AS-CLIENTS.

Internet exchanges

• Giganet Internet Exchange — Kyiv, Ukraine
• RUDAKI-IX — Kiev, Ukraine