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ASN Lookup Tool
AS39904 MERIT-AS

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS39904
Organisation
MERIT GROUP a.s
Name
MERIT-AS
Total IPv4 Addresses
3,584
Total IPv4 Prefixes
5
Total IPv6 Prefixes
16
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#17,473 out of 78,153
Registry
Ripe
Registered Country
CZ flag CZ
Registered Country Name
Czechia
Registered Date
2006-05-12
Registration Last Change
2023-01-16
Receiving From

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

ASN
Organisation
AS9498
IN flagBharti Airtel Limited
AS16019
CZ flagVodafone Czech Republic a.s.
AS6855
SK flagSlovak Telekom, a.s.
AS6939
US flagHurricane Electric LLC
AS49544
NL flagi3D.net B.V
Showing 5 of 11
Transit To

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

 

ASN
Organisation
AS47767
CZ flagRegionalni centrum Olomouc s.r.o.
AS202605
CZ flagEMPECOM, s.r.o.
AS199604
CZ flagOLOMOUCKY KRAJ
AS205724
CZ flagT.S.BOHEMIA a.s.
IPv4 Active Prefixes

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

Prefix46.227.168.0/22
Range From46.227.168.0
Range To46.227.171.255
Prefix46.227.173.0/24
Range From46.227.173.0
Range To46.227.173.255
Prefix46.227.175.0/24
Range From46.227.175.0
Range To46.227.175.255
Prefix91.215.12.0/22
Range From91.215.12.0
Range To91.215.15.255
Prefix195.189.0.0/22
Range From195.189.0.0
Range To195.189.3.255
IPv6 Active Prefixes
Prefix2a02:7a00::/47
Range From2a02:7a00::
Range To2a02:7a00:1:ffff:ffff:ffff:ffff:ffff
Prefix2a02:7a00:3::/48
Range From2a02:7a00:3::
Range To2a02:7a00:3:ffff:ffff:ffff:ffff:ffff
Prefix2a02:7a00:4::/46
Range From2a02:7a00:4::
Range To2a02:7a00:7:ffff:ffff:ffff:ffff:ffff
Prefix2a02:7a00:8::/45
Range From2a02:7a00:8::
Range To2a02:7a00:f:ffff:ffff:ffff:ffff:ffff
Prefix2a02:7a00:10::/44
Range From2a02:7a00:10::
Range To2a02:7a00:1f:ffff:ffff:ffff:ffff:ffff
Showing 5 of 16
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.