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ASN Lookup Tool
AS25084 CZESTMAN-COM-AS

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS25084
Organisation
Politechnika Czestochowska
Name
CZESTMAN-COM-AS
Total IPv4 Addresses
1,536
Total IPv4 Prefixes
2
Total IPv6 Prefixes
1
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#27,837 out of 78,471
Registry
Ripe
Registered Country
PL flag PL
Registered Country Name
Poland
Registered Date
2002-07-22
Registration Last Change
2025-03-16
Receiving From

The list of active Autonomous Systems (ASs) which send traffic to that ASN.

ASN
Organisation
AS24748
PL flagAtman Sp. z o.o.
AS6939
US flagHurricane Electric LLC
AS49544
NL flagi3D.net B.V
AS14840
BR flagBR.Digital Provider
AS39120
IT flagConvergenze S.p.A.
Showing 5 of 13
Transit To

The list of active Autonomous Systems (ASs) which receive traffic from that ASN.

 

ASN
Organisation
AS196730
PL flagTELSAT.TV Sp. z o.o.
AS44454
PL flagCzestochowska Spoldzielnia Mieszkaniowa "Nasza P..
AS15373
PL flagPolitechnika Czestochowska
AS41056
PL flagAPUS Piotr Sejfried
AS209860
PL flagMy Net Michal Bronczkowski
Showing 5 of 8
IPv4 Active Prefixes

This provides the list of IPv4 address space routes/prefixes currently announced on Border Gateway Protocol (BGP).

Prefix212.87.240.0/23
Range From212.87.240.0
Range To212.87.241.255
Prefix212.87.244.0/22
Range From212.87.244.0
Range To212.87.247.255
IPv6 Active Prefixes
Prefix2a01:699::/32
Range From2a01:699::
Range To2a01:699:ffff:ffff:ffff:ffff:ffff:ffff
Autonomous System (AS) is a network (or collection of networks) that are all managed and supervised by a single entity or organisation. This tool provides a comprehensive ownership and connectivity report for any given AS number.