subnet.im

AS209366SEMrush CY LTD

CyprusRegistryRIPE NCC

As of 11th November 2026, AS209366 (SEMrush CY LTD), a network registered in Cyprus with RIPE NCC, originates 4 IPv4 prefixes covering 1k addresses. By IPv4 address space that makes it the 36,499th-largest of the 80,743 networks we see originating IPv4, and the 56th-largest of 132 in Cyprus. It is seen behind 3 upstream networks, most often AS1299 (Arelion (fka. Telia Carrier)) and AS39572 (DataWeb Global Group B.V.). 50% of its announcements have 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

4

IPv6 prefixes

0

IPv4 addresses

1k

IPv6 /64s

0

Upstream graph

The networks AS209366 is seen behind, one and two hops out, drawn from real AS paths.

AS209366Toward the internet core
Upstream graph for AS209366: 6 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS209366SEMrush CY LTDThis networkAS174Cogent Communicat…AS1299Arelion (fka. Tel…AS39572DataWeb Global Gr…AS151326DCConnect Communi…AS13030Init7 (Switzerlan…AS16552Tiggee LLC

Networks observed one and two hops upstream of AS209366 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

6

adjacent networks

Upstreams
350%
Peers
350%
Downstreams
00%

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

Upstreams of AS209366
NetworkCountryRelationshipPathsVantage pts
AS1299Arelion (fka. Telia Carrier)SEPeer16155
AS39572DataWeb Global Group B.V.NLPeer7676
AS174Cogent Communications, LLCUSPeer6422

Prefixes

The largest blocks AS209366 originates, widest first.

Largest prefixes originated by AS209366
PrefixAddressesVisibility
85.208.96.0/2425675/76
85.208.99.0/2425675/76
185.170.167.0/2425675/76
185.191.171.0/2425676/76

Routing health

How AS209366'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

  • Valid50.0%2
  • Invalid0.0%0
  • No ROA50.0%2

Propagation

  • Globally propagated90% of full-feed peers or more100.0%4
  • Partially propagated40% to 90%0.0%0
  • Seen by few peersUnder 40%0.0%0

Prefix sizes

IPv4 — 4 prefixes

Recent changes

Announcements that started or stopped since 12th Oct 2026.

  • Withdrawn85.208.97.0/243rd Nov 2026
  • Announced85.208.97.0/2429th Oct 2026
  • Withdrawn85.208.97.0/2422nd Oct 2026

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