AS51380 — GREY-AS FOP Kovalchuk Igor Vasilevich

AS51380 announces 3 IPv4 prefixes covering 1,280 addresses and 0 IPv6 prefixes.

About this network

GREY-AS is held by FOP Kovalchuk Igor Vasilevich.

What it's used for

• The address space carries residential subscriber traffic, evidenced by reverse DNS entries such as ip-192-128.bestline.net.ua and ip-4-128.bestline.net.ua.
• The AS announces 1280 IPv4 addresses across 3 prefixes and maintains 27 observed neighbours, a ratio consistent with a small access network providing last-mile connectivity.
• Traffic from this AS consists of residential internet users in Ukraine, as indicated by the bestline.net.ua domain in the PTR records.

Notable

• All registrants for the announced prefixes are listed as FOP Kovalchuk Igor Vasilevich, matching the AS holder.
• The address inventory is small and fragmented into three distinct blocks: 91.218.192.0/23, 195.20.4.0/23, and 195.20.6.0/24.

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

Announced prefixes

• 91.218.192.0/23
• 195.20.4.0/23
• 195.20.6.0/24

Upstream networks

• AS199995 Omega Telecom LLC
• AS57455 Filanco Ukraine Ltd.
• AS9002 RETN Limited
• AS49673 Truenetwork LLC
• AS37721 Virtual Technologies & Solutions
• AS208972 GIBIRNET ILETISIM HIZMETLERI SANAYI VE TICARET LIMITED SIRKETI
• AS24482 SG.GS

Downstream networks

• AS197263 PE TOTSKY OLEKSANDR VOLODYMYROVYCH

Adjacent networks

• AS199995 Omega Telecom LLC
• AS57455 Filanco Ukraine Ltd.
• AS9002 RETN Limited
• AS197263 PE TOTSKY OLEKSANDR VOLODYMYROVYCH
• AS208972 GIBIRNET ILETISIM HIZMETLERI SANAYI VE TICARET LIMITED SIRKETI
• AS24482 SG.GS
• AS37721 Virtual Technologies & Solutions
• AS49673 Truenetwork LLC

Routing security

• RPKI: 5 valid, 0 invalid and 0 not-found announcements; 8 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 10 route objects.
• Listed in as-sets: AS-GREY, AS-HURRICANE, AS-PNAPNYM, AS-RETN-ACTUAL-V4, AS-SKYNET-BRV.

Internet exchanges

• GNM Internet Exchange Ukraine — Kiev, Ukraine