ASN Lookup Tool
AS204113 Security Information Service

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An 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.

ASN Lookup for:

AS204113

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ASN Extended Info API

ASN Details

ASN
AS204113
Organisation
Security Information Service
AS Name
CSIS
IPv4 Addresses Announced
256
IPv4 Prefixes Announced
1
Bogon Prefixes Announced
0
IPv4 Space Rank
#68,378 out of 74,996
Registry
RIPE
Registered Country
CZ flag CZ
Registration Date
2015-08-24
Registration Change
2020-11-16

Receiving From

ASN
Organisation
ASN
Organisation
CZ flag Vodafone Czech Republic a.s.
ASN
Organisation
CZ flag TMobile Czech Republic a.s.

Active Prefixes

Prefix
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