ASN Lookup – Networks, Upstreams and Prefixes

AS197451

ASN

RIPE NCC

RIR

IPv4 Prefixes

IPv6 Prefixes

AS Information

ASNAS197451

NameVUTBR-AS

OrganisationBrno University of Technology

Country –

RIRRIPE NCC

Allocated08.12.2010

Abuse contactabuse@vutbr.cz

Network Overview

IPv4 Prefixes8

IPv6 Prefixes4

Upstreams IPv43

BGP Peers IPv49

Upstreams (Transit Providers)

IPv4

AS15935 HA-VEL-LOCAL-AS

AS16019 VODAFONE-CZ-AS

AS2852 CESNET2

IPv4 Prefixes (8 total)

147.229.192.0/19

147.229.224.0/19

185.149.204.0/22

185.149.204.0/24

147.229.0.0/17

185.62.108.0/23

185.149.205.0/24

147.229.128.0/18

IPv6 Prefixes (4 total)

2001:67c:1220::/46

2a03:2e4::/30

2a03:2e0::/32

2a07:6bc0::/29

BGP Peers IPv4 (9 total)

AS201263

AS201931

AS202872

AS204860

AS207167

AS210604

AS212138

AS24971

AS34222

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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.