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AS203477Public Joint Stock Company "Ukrgasvydobuvannya"

UkraineRegistryRIPE NCC

As of 27th September 2026, AS203477 (Public Joint Stock Company…), a network registered in Ukraine with RIPE NCC, originates 1 IPv4 prefix covering 256 addresses. By IPv4 address space that makes it the 59,129th-largest of the 79,523 networks we see originating IPv4, and the 978th-largest of 1,521 in Ukraine. It is seen behind 1 upstream network, most often AS15895 ("Kyivstar" PJSC). Every one of its announcements has a valid RPKI ROA, and none are RPKI-invalid. 100% of its routes reach at least 90% of full-feed peers.

At a glance

IPv4 prefixes

1

IPv6 prefixes

0

IPv4 addresses

256

IPv6 /64s

0

Upstream graph

The networks AS203477 is seen behind, one and two hops out, drawn from real AS paths.

AS203477Toward the internet core
Upstream graph for AS203477: 3 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS203477Public Joint Stoc…This networkAS15895"Kyivstar" PJSCAS1299Arelion (fka. Tel…AS9002RETN Limited

Networks observed one and two hops upstream of AS203477 in real AS paths. A thicker line means more vantage points saw that adjacency, so weight tracks how well attested it is — not how much traffic it carries. Adjacency is an observation; whether it is a transit purchase or a settlement-free peering is an inference, and is labelled as one wherever we show it.

Neighbouring networks

2

adjacent networks

Upstreams
150%
Peers
150%
Downstreams
00%

Networks carrying this one's traffic toward the rest of the internet.

Upstreams of AS203477
NetworkCountryRelationshipPathsVantage pts
AS15895"Kyivstar" PJSCUAPeer8181

Prefixes

The largest blocks AS203477 originates, widest first.

Largest prefixes originated by AS203477
PrefixAddressesVisibility
212.1.65.0/2425681/81

Routing health

How AS203477's own announcements validate against RPKI and how far they propagate. The same measures for the whole routing table are on the routing table in numbers.

RPKI origin validation

  • Valid100.0%1
  • Invalid0.0%0
  • No ROA0.0%0

Propagation

  • Globally propagated90% of full-feed peers or more100.0%1
  • Partially propagated40% to 90%0.0%0
  • Seen by few peersUnder 40%0.0%0

Prefix sizes

IPv4 — 1 prefixes

Recent changes

Announcements that started or stopped since 28th Aug 2026.

No announcement by AS203477 started or stopped in this period.

Routing data derived from RouteViews MRT archives, BGPKIT relationship inference and public registry data.