AS1897 is NOS COMUNICACOES, S.A..
AS1897 belongs to NOS COMUNICACOES, S.A.. DB-IP Lite attributes 204,032 IPv4 addresses in 10 ranges and no IPv6 ranges to it, all or nearly all of the IPv4 space in Portugal. The number is registered with RIPE NCC in Portugal on 22 Sept 1992.
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)
NOS COMUNICACOES, S.A. 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 AS1897, so its customers reach websites over IPv4.
Where its IPv4 space is used, according to DB-IP
Share of the network’s IPv4 addresses by DB-IP Country Lite. IP Geolocation by DB-IP.
IP ranges
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
- DB-IP IP to ASN Lite (CC BY 4.0) · checked 3 Nov 2026
- NRO RIR delegated-extended statistics · checked 5 Nov 2026