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AS39777Dynamic Distribution SRL

RomaniaRegistryRIPE NCCTypeEyeball

As of 11th November 2026, AS39777 (Dynamic Distribution SRL), an access network registered in Romania with RIPE NCC, originates 3 IPv4 prefixes covering 3.1k addresses. By IPv4 address space that makes it the 20,477th-largest of the 80,747 networks we see originating IPv4, and the 108th-largest of 913 in Romania. It is seen behind 10 upstream networks, most often AS12302 (Vodafone Romania S.A.) and AS6939 (Hurricane Electric LLC), and in front of 1 downstream network. None of its announcements have a valid RPKI ROA. 100% of its routes reach at least 90% of full-feed peers.

At a glance

IPv4 prefixes

3

IPv6 prefixes

0

IPv4 addresses

3.1k

IPv6 /64s

0

Upstream graph

The networks AS39777 is seen behind, one and two hops out, drawn from real AS paths.

AS39777Toward the internet core
Upstream graph for AS39777: 12 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS39777Dynamic Distribut…This networkAS6939Hurricane Electri…AS12302Vodafone Romania …AS14537Continent 8 LLCAS22356Durand do Brasil …AS24482SG.GSAS20130Depaul UniversityAS132337AxclusiveAS1273Vodafone Group PLCAS2914NTT America, Inc.AS3356Lumen (Level 3)AS38623Metfone (Viettel …AS215859Hetzner Cloud - S…

Networks observed one and two hops upstream of AS39777 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

42

adjacent networks

Upstreams
1024%
Peers
3174%
Downstreams
12%

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

Upstreams of AS39777
NetworkCountryRelationshipPathsVantage pts
AS12302Vodafone Romania S.A.ROPeer22560
AS6939Hurricane Electric LLCUSPeer186
AS24482SG.GSSGPeer93
AS14537Continent 8 LLCUSPeer31
AS49544i3D.net B.VNLPeer31
AS44901Belcloud LTDBGAdjacent31
AS132337AxclusiveSGAdjacent31
AS22356Durand do Brasil LtdaBRPeer31
AS32590Valve CorporationUSPeer31
AS47734Telecom IT Solutions SRLROPeer31

Prefixes

The largest blocks AS39777 originates, widest first.

Largest prefixes originated by AS39777
PrefixAddressesVisibility
5.253.52.0/221k76/76
45.95.228.0/221k76/76
185.93.96.0/221k76/76

Routing health

How AS39777'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

  • Valid0.0%0
  • Invalid0.0%0
  • No ROA100.0%3

Propagation

  • Globally propagated90% of full-feed peers or more100.0%3
  • Partially propagated40% to 90%0.0%0
  • Seen by few peersUnder 40%0.0%0

Prefix sizes

IPv4 — 3 prefixes

Recent changes

Announcements that started or stopped since 12th Oct 2026.

No announcement by AS39777 started or stopped in this period.

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