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ASN Lookup Tool
AS203365 OPTETNETWORK

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS203365
Organisation
Optet network, s. r. o.
Name
OPTETNETWORK
Total IPv4 Addresses
1024
Total IPv4 Prefixes
1
Total IPv6 Prefixes
0
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#39,064 out of 77,262
Registry
Ripe
Registered Country
CZ flag CZ
Registered Country Name
Czechia
Registered Date
2016-02-04
Registration Last Change
2019-02-14
Receiving From

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

ASN
Organisation
AS28725
CZ flagCETIN a.s.
AS28972
CZ flagM-SOFT, spol. s r.o.
AS202979
CZ flagNGA Services, spol. s r.o.
IPv4 Active Prefixes

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

Prefix185.136.196.0/22
Range From185.136.196.0
Range To185.136.199.255
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.