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AS397540Windscribe

AntarcticaRegistryARINTypeEyeball

As of 11th November 2026, AS397540 (Windscribe), an access network registered in Antarctica with ARIN, originates 4 IPv4 prefixes covering 1k addresses and 2 IPv6 prefixes. By IPv4 address space that makes it the 36,499th-largest of the 80,743 networks we see originating IPv4. It is seen behind 11 upstream networks, most often AS835 (GoCodeIT Inc) and AS174 (Cogent Communications, LLC). 83% 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

2

IPv4 addresses

1k

IPv6 /64s

131k

Upstream graph

The networks AS397540 is seen behind, one and two hops out, drawn from real AS paths.

AS397540Toward the internet core
Upstream graph for AS397540: 12 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS397540WindscribeThis networkAS174Cogent Communicat…AS835GoCodeIT IncAS6939Hurricane Electri…AS24482SG.GSAS36236NetActuate, IncAS151326DCConnect Communi…AS1299Arelion (fka. Tel…AS20130Depaul UniversityAS132337AxclusiveAS38623Metfone (Viettel …AS215859Hetzner Cloud - S…AS2914NTT America, Inc.

Networks observed one and two hops upstream of AS397540 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

29

adjacent networks

Upstreams
1138%
Peers
1862%
Downstreams
00%

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

Upstreams of AS397540
NetworkCountryRelationshipPathsVantage pts
AS835GoCodeIT IncCAPeer215139
AS174Cogent Communications, LLCUSPeer14389
AS6939Hurricane Electric LLCUSPeer2922
AS36236NetActuate, IncUSPeer1811
AS24482SG.GSSGPeer85
AS49544i3D.net B.VNLPeer32
AS11670Toronto Internet Exchange CommunityCAPeer22
AS22652Videotron LteeCAPeer21
AS35280F5 Networks SARLFRPeer21
AS1403EBOXCAPeer21

Prefixes

The largest blocks AS397540 originates, widest first.

Largest prefixes originated by AS397540
PrefixAddressesVisibility
23.154.160.0/2425675/76
149.57.28.0/2425676/76
181.215.52.0/2425676/76
209.127.204.0/2425675/76
2604:17c0::/4865.5k × /6460/63
2604:17c0:1::/4865.5k × /6463/63

Routing health

How AS397540'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

  • Valid83.3%5
  • Invalid0.0%0
  • No ROA16.7%1

Propagation

  • Globally propagated90% of full-feed peers or more100.0%6
  • Partially propagated40% to 90%0.0%0
  • Seen by few peersUnder 40%0.0%0

Prefix sizes

IPv4 — 4 prefixes

IPv6 — 2 prefixes

  • /4865.5k × /64100.0%2

Recent changes

Announcements that started or stopped since 12th Oct 2026.

No announcement by AS397540 started or stopped in this period.

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