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ASN Lookup Tool
AS39729 REGISTER-AS

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS39729
Organisation
REGISTER S.P.A.
Name
REGISTER-AS
Total IPv4 Addresses
10,496
Total IPv4 Prefixes
23
Total IPv6 Prefixes
1
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#9,109 out of 77,684
Registry
Ripe
Registered Country
IT flag IT
Registered Country Name
Italy
Registered Date
2006-04-18
Registration Last Change
2024-08-09
Receiving From

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

ASN
Organisation
AS3257
US flagGTT Communications Inc.
AS8968
IT flagBT Italia S.p.A.
AS13237
DE flageuNetworks GmbH
AS6939
US flagHurricane Electric LLC
AS49544
NL flagi3D.net B.V
Showing 5 of 16
IPv4 Active Prefixes

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

Prefix81.88.48.0/22
Range From81.88.48.0
Range To81.88.51.255
Prefix81.88.52.0/24
Range From81.88.52.0
Range To81.88.52.255
Prefix81.88.53.0/24
Range From81.88.53.0
Range To81.88.53.255
Prefix81.88.54.0/23
Range From81.88.54.0
Range To81.88.55.255
Prefix81.88.56.0/23
Range From81.88.56.0
Range To81.88.57.255
Showing 5 of 23
IPv6 Active Prefixes
Prefix2a01:8100:2000::/36
Range From2a01:8100:2000::
Range To2a01:8100:2fff: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.