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ASN Lookup
Networks, upstreams, peers and prefixes of an autonomous system
AS39912
ASN
RIPE NCC
RIR
43
IPv4 Prefixes
3
IPv6 Prefixes
AS Information
ASNAS39912
Namei3B-AS
Organisationi3B-MNT
Country
RIRRIPE NCC
Allocated16.05.2006
Abuse contactabuse@oja.at
Network Overview
IPv4 Prefixes43
IPv6 Prefixes3
Upstreams IPv410
BGP Peers IPv485
Upstreams (Transit Providers)
IPv4
AS1267 ASN-WINDTRE
AS13030 INIT7
AS137409 GSLNETWORKS-AS-AP
AS20485 TRANSTELECOM
AS205103 TELEGRAPH-AS
AS212024 RISSON
AS24889 MONZOON-AS
AS24961 MYLOC-AS
AS29075 IELO
AS29632 NASSIST-AS
IPv4 Prefixes (43 total, showing 20)
77.220.96.0/20
37.186.8.0/21
81.94.56.0/21
195.16.253.0/24
78.142.96.0/20
37.186.4.0/24
81.94.54.0/24
95.143.80.0/20
81.94.48.0/22
194.34.226.0/24
193.47.156.0/24
195.16.241.0/24
195.16.224.0/21
92.42.16.0/22
195.16.238.0/24
195.16.242.0/23
78.142.124.0/22
195.16.245.0/24
78.142.122.0/23
195.16.236.0/23
IPv6 Prefixes (3 total)
2a01:f8::/32
2a01:100::/32
2a00:e98::/32
BGP Peers IPv4 (85 total, showing 20)
AS207131
AS212640
AS41905
AS44752
AS50255
AS51413
AS59456
AS61155
AS61201
AS61438
AS62155
AS62373
AS8540
AS12779
AS13004
AS13237
AS14630
AS14840
AS15547
AS17639
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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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