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ASN Lookup Tool
AS21111 CISG

Powered By:
ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS21111
Organisation
Ministerstwo Rozwoju i Technologii
Name
CISG
Total IPv4 Addresses
65536
Total IPv4 Prefixes
12
Total IPv6 Prefixes
0
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#3,443 out of 77,231
Registry
Ripe
Registered Country
PL flag PL
Registered Country Name
Poland
Registered Date
1970-01-01
Registration Last Change
2023-07-26
Receiving From

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

ASN
Organisation
AS12912
PL flagT-Mobile Polska S.A.
AS50606
PL flagHoryzont Technologie Internetowe sp.z.o.o.
IPv4 Active Prefixes

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

Prefix158.66.0.0/24
Range From158.66.0.0
Range To158.66.0.255
Prefix158.66.1.0/24
Range From158.66.1.0
Range To158.66.1.255
Prefix158.66.2.0/24
Range From158.66.2.0
Range To158.66.2.255
Prefix158.66.3.0/24
Range From158.66.3.0
Range To158.66.3.255
Prefix158.66.4.0/24
Range From158.66.4.0
Range To158.66.4.255
Showing 5 of 12
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.