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ASN Lookup Tool
AS20559 FUNDAMENTS-AS

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS20559
Organisation
Fundaments B.V.
Name
FUNDAMENTS-AS
Total IPv4 Addresses
33271
Total IPv4 Prefixes
29
Total IPv6 Prefixes
7
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#4,997 out of 77,447
Registry
Ripe
Registered Country
NL flag NL
Registered Country Name
Netherlands (Kingdom of the)
Registered Date
2015-08-13
Registration Last Change
2023-01-17
Receiving From

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

ASN
Organisation
AS20562
NL flagBroadband Hosting B.V.
AS56662
PL flagMarcin Gondek
AS48646
DE flagStefan Dunkel
AS328832
ZA flagNetwork Platforms (PTY) LTD
AS174
US flagCogent Communications
Showing 5 of 65
Transit To

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

 

ASN
Organisation
AS39390
NL flagMainfreight Holding BV
IPv4 Active Prefixes

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

Prefix5.172.40.0/21
Range From5.172.40.0
Range To5.172.47.255
Prefix31.200.208.0/21
Range From31.200.208.0
Range To31.200.215.255
Prefix37.220.168.0/21
Range From37.220.168.0
Range To37.220.175.255
Prefix45.13.164.0/22
Range From45.13.164.0
Range To45.13.167.255
Prefix45.133.196.0/22
Range From45.133.196.0
Range To45.133.199.255
Showing 5 of 29
IPv6 Active Prefixes
Prefix2a00:d10::/32
Range From2a00:d10::
Range To2a00:d10:ffff:ffff:ffff:ffff:ffff:ffff
Prefix2a00:d1c0::/32
Range From2a00:d1c0::
Range To2a00:d1c0:ffff:ffff:ffff:ffff:ffff:ffff
Prefix2a01:448:72::/48
Range From2a01:448:72::
Range To2a01:448:72:ffff:ffff:ffff:ffff:ffff
Prefix2a03:3400::/32
Range From2a03:3400::
Range To2a03:3400:ffff:ffff:ffff:ffff:ffff:ffff
Prefix2a04:a840::/29
Range From2a04:a840::
Range To2a04:a847:ffff:ffff:ffff:ffff:ffff:ffff
Showing 5 of 7
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.