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ASN Lookup Tool
AS25248 BlueTone-AS

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS25248
Organisation
RADIOKOMUNIKACE a.s.
Name
BlueTone-AS
Total IPv4 Addresses
106,752
Total IPv4 Prefixes
5
Total IPv6 Prefixes
1
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#1,851 out of 77,680
Registry
Ripe
Registered Country
CZ flag CZ
Registered Country Name
Czechia
Registered Date
2002-09-20
Registration Last Change
2024-06-26
Receiving From

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

ASN
Organisation
AS20562
NL flagBroadband Hosting B.V.
AS174
US flagCogent Communications
AS6461
US flagZayo Bandwidth
AS6939
US flagHurricane Electric LLC
AS1299
SE flagArelion Sweden AB
Showing 5 of 17
Transit To

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

 

ASN
Organisation
AS204405
CZ flagDurnet.cz sro
AS196822
CZ flagSELECT SYSTEM, s.r.o.
AS47834
CZ flagSOFTEX NCP, s.r.o.
AS25192
CZ flagCZ.NIC, z.s.p.o.
AS39790
CZ flagWeb4U s.r.o.
Showing 5 of 29
IPv4 Active Prefixes

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

Prefix82.99.128.0/18
Range From82.99.128.0
Range To82.99.191.255
Prefix84.244.64.0/18
Range From84.244.64.0
Range To84.244.127.255
Prefix85.207.0.0/16
Range From85.207.0.0
Range To85.207.255.255
Prefix193.32.56.0/24
Range From193.32.56.0
Range To193.32.56.255
Prefix212.158.128.0/19
Range From212.158.128.0
Range To212.158.159.255
IPv6 Active Prefixes
Prefix2a02:a40::/32
Range From2a02:a40::
Range To2a02:a40: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.