ASN Lookup – Networks, Upstreams and Prefixes

AS203645

ASN

RIPE NCC

RIR

IPv4 Prefixes

IPv6 Prefixes

AS Information

ASNAS203645

NameRYZNAR-AS

Organisationcz-rpsnet-1-mnt

Country –

RIRRIPE NCC

Allocated07.01.2016

Abuse contactinternet@rps.cz

Network Overview

IPv4 Prefixes4

IPv6 Prefixes23

Upstreams IPv41

BGP Peers IPv40

Upstreams (Transit Providers)

IPv4

AS28725 CETIN-AS

IPv4 Prefixes (4 total)

185.133.189.0/24

185.133.191.0/24

185.133.188.0/24

185.133.190.0/24

IPv6 Prefixes (23 total, showing 10)

2a01:7d20:300::/48

2a01:7d20:2011::/48

2a01:7d20:101::/48

2a01:7d20:1000::/40

2a01:7d20:2300::/40

2a01:7d20:ff00::/40

2a01:7d20:1201::/48

2a01:7d20:fe00::/40

2a01:7d20:201::/48

2a01:7d20:7d20::/48

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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.