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ASN Lookup Tool
AS43153 SFERANET-AS

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS43153
Organisation
SFERANET S.A.
Name
SFERANET-AS
Total IPv4 Addresses
3,584
Total IPv4 Prefixes
6
Total IPv6 Prefixes
0
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#17,606 out of 78,225
Registry
Ripe
Registered Country
PL flag PL
Registered Country Name
Poland
Registered Date
2007-06-14
Registration Last Change
2018-09-04
Receiving From

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

ASN
Organisation
AS9141
PL flagP4 Sp. z o.o.
AS12912
PL flagT-Mobile Polska S.A.
AS20804
PL flagExatel S.A.
AS5588
CZ flagT-Mobile Czech Republic a.s.
AS49544
NL flagi3D.net B.V
Showing 5 of 14
Transit To

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

 

ASN
Organisation
AS197233
PL flagVentus s.c. Krzysztof Stawowczyk, Robert Honkisz..
AS199810
PL flagMiasto Bielsko-Biala
IPv4 Active Prefixes

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

Prefix85.219.208.0/23
Range From85.219.208.0
Range To85.219.209.255
Prefix91.192.196.0/22
Range From91.192.196.0
Range To91.192.199.255
Prefix91.215.32.0/22
Range From91.215.32.0
Range To91.215.35.255
Prefix193.200.82.0/23
Range From193.200.82.0
Range To193.200.83.255
Prefix195.136.160.0/24
Range From195.136.160.0
Range To195.136.160.255
Showing 5 of 6
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.