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AS397540

AS397540 is Windscribe.

Last updated 3 Nov 2026 from DB-IP ASN Lite (2026-11-01) and RIR statistics (4 Nov 2026)

Short answer

AS397540 belongs to Windscribe. DB-IP Lite attributes 1,024 IPv4 addresses in 4 ranges and no IPv6 ranges to it, 75% of the IPv4 space in Canada. The number is registered with ARIN in Antarctica on 2 May 2019.

Facts for AS397540
Operator (DB-IP)Windscribe
IPv4 addresses1,024
IPv4 ranges4
IPv6 ranges0
RegistryARIN
Registered2 May 2019
Registry countryAntarctica (AQ)

Does it publish a geofeed?

We haven’t checked this network’s registry records for a geofeed yet. The Truth Check looks for one live for any address you test.

Shared addresses (CGNAT)

Windscribe hasn’t been documented as using carrier-grade NAT in a source we could check. To see whether your own connection is behind it, compare your router’s address on the CGNAT check.

IPv6

DB-IP lists no IPv6 ranges for AS397540, so its customers reach websites over IPv4.

Where its IPv4 space is used, according to DB-IP

CA75%
AQ25%

Share of the network’s IPv4 addresses by DB-IP Country Lite. IP Geolocation by DB-IP.

IP ranges

RangeAs CIDRAddresses
23.154.160.0 – 23.154.160.25523.154.160.0/24256
149.57.28.0 – 149.57.28.255149.57.28.0/24256
181.215.52.0 – 181.215.52.255181.215.52.0/24256
209.127.204.0 – 209.127.204.255209.127.204.0/24256
Showing 4 of 4 IPv4 and 0 of 0 IPv6 ranges All ranges (CSV)

IP Geolocation by DB-IP, ASN Lite, CC BY 4.0.

Using an address from this network? See which sources agree on where it is.

Sources

  1. DB-IP IP to ASN Lite (CC BY 4.0) · checked 3 Nov 2026
  2. NRO RIR delegated-extended statistics · checked 5 Nov 2026