ASN Lookup – Networks, Upstreams and Prefixes

AS208172

ASN

RIPE NCC

RIR

IPv4 Prefixes

IPv6 Prefixes

AS Information

ASNAS208172

NamePV-HOSTED

OrganisationProton AG

Country –

RIRRIPE NCC

Allocated20.05.2025

Abuse contactabuse.importer974@passmail.net

Network Overview

IPv4 Prefixes62

IPv6 Prefixes0

Upstreams IPv45

BGP Peers IPv40

Upstreams (Transit Providers)

IPv4

AS136557 HOST-AS-AP

AS23470 RELIABLESITE

AS396356 LATITUDE-SH

AS60068 CDN77

AS9009 M247

IPv4 Prefixes (62 total, showing 20)

159.26.126.0/24

205.147.18.0/24

205.147.28.0/24

72.251.215.0/24

159.26.106.0/24

159.26.108.0/24

159.26.119.0/24

205.147.30.0/24

72.251.209.0/24

72.251.210.0/24

159.26.97.0/24

159.26.113.0/24

205.147.16.0/24

159.26.123.0/24

72.251.211.0/24

159.26.112.0/24

72.251.214.0/24

159.26.118.0/24

159.26.120.0/24

159.26.102.0/24

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What is an ASN?

An Autonomous System Number (ASN) is a unique number assigned to a network on the internet. Upstreams are the transit providers through which the AS reaches the internet. Peers are networks with which direct traffic exchange takes place. Prefixes are the IP address ranges that the AS announces to the internet. Data via RIPE NCC RDAP and RIPEstat API.