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Tool
ASN Lookup
Networks, upstreams, peers and prefixes of an autonomous system
AS213576
ASN
RIPE NCC
RIR
2
IPv4 Prefixes
14
IPv6 Prefixes
AS Information
ASNAS213576
NameERTIUS-NET
OrganisationRobert Weir
Country
RIRRIPE NCC
Allocated15.01.2025
Abuse contactabuse@ertius.net
Network Overview
IPv4 Prefixes2
IPv6 Prefixes14
Upstreams IPv410
BGP Peers IPv473
Upstreams (Transit Providers)
IPv4
AS1103 SURFNET-NL
AS11967 HOP179
AS137409 GSLNETWORKS-AS-AP
AS1764 NEXTLAYER-AS
AS209022 Tschajera-Limited
AS209090 STOLON
AS212396 FYFEWEB
AS212514 SPANNINGNETWORKS-AS
AS214757 Jakub-Krsa
AS215596 Kissgroup
IPv4 Prefixes (2 total)
91.213.28.0/24
185.140.52.0/24
IPv6 Prefixes (14 total, showing 10)
2a05:dfc3:fe32::/48
2a05:dfc3:fe22::/48
2a05:dfc3:fe30::/47
2a05:dfc3:fe06::/48
2a05:dfc3:fe13::/48
2a05:dfc3:fefe::/48
2a0f:b240:f00::/48
2a05:dfc3:fe15::/48
2a05:dfc3:fe11::/48
2a05:dfc3:fe17::/48
BGP Peers IPv4 (73 total, showing 20)
AS1140
AS12637
AS12779
AS12859
AS12969
AS13237
AS14630
AS14907
AS15547
AS15605
AS16347
AS18106
AS1828
AS199524
AS199938
AS202365
AS2027
AS204092
AS205112
AS20932
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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.

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