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ASN Lookup Tool
AS43861 CIRCLEB-ASN

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS43861
Organisation
Circle B B.V.
Name
CIRCLEB-ASN
Total IPv4 Addresses
968
Total IPv4 Prefixes
3
Total IPv6 Prefixes
2
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#42,995 out of 77,322
Registry
Ripe
Registered Country
NL flag NL
Registered Country Name
Netherlands (Kingdom of the)
Registered Date
2016-12-20
Registration Last Change
2023-09-06
Receiving From

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

ASN
Organisation
AS8220
GB flagCOLT Technology Services Group Limited
AS38930
NL flagLeaseWeb Network B.V.
IPv4 Active Prefixes

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

Prefix45.134.176.0/23
Range From45.134.176.0
Range To45.134.177.255
Prefix45.134.178.0/23
Range From45.134.178.0
Range To45.134.179.255
Prefix91.199.227.0/24
Range From91.199.227.0
Range To91.199.227.255
IPv6 Active Prefixes
Prefix2001:678:348::/48
Range From2001:678:348::
Range To2001:678:348:ffff:ffff:ffff:ffff:ffff
Prefix2a13:acc0::/32
Range From2a13:acc0::
Range To2a13:acc0:ffff: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.