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ASN Lookup Tool
AS203833 AT-FIRSTCOLO

Powered By:
ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS203833
Organisation
firstcolo GmbH
Name
AT-FIRSTCOLO
Total IPv4 Addresses
1308
Total IPv4 Prefixes
7
Total IPv6 Prefixes
1
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#27,728 out of 77,393
Registry
Ripe
Registered Country
DE flag DE
Registered Country Name
Germany
Registered Date
2015-10-22
Registration Last Change
2022-01-21
Receiving From

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

ASN
Organisation
AS42473
AT flagANEXIA Internetdienstleistungs GmbH
IPv4 Active Prefixes

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

Prefix5.187.28.0/24
Range From5.187.28.0
Range To5.187.28.255
Prefix79.133.32.0/23
Range From79.133.32.0
Range To79.133.33.255
Prefix79.133.43.0/24
Range From79.133.43.0
Range To79.133.43.255
Prefix109.169.80.0/24
Range From109.169.80.0
Range To109.169.80.255
Prefix159.100.24.0/22
Range From159.100.24.0
Range To159.100.27.255
Showing 5 of 7
IPv6 Active Prefixes
Prefix2a00:11c0:38::/48
Range From2a00:11c0:38::
Range To2a00:11c0:38:ffff:ffff:ffff:ffff:ffff
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.