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ASN Lookup Tool
AS15412 FLAG-AS

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS15412
Organisation
FLAG TELECOM UK LIMITED
Name
FLAG-AS
Total IPv4 Addresses
42,240
Total IPv4 Prefixes
34
Total IPv6 Prefixes
1
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#4,388 out of 77,686
Registry
Ripe
Registered Country
GB flag GB
Registered Country Name
United Kingdom of Great Britain and Northern Ireland (the)
Registered Date
2002-09-18
Registration Last Change
2024-10-25
Receiving From

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

ASN
Organisation
AS3320
DE flagDeutsche Telekom AG
AS174
US flagCogent Communications
AS2516
JP flagKDDI CORPORATION
AS1103
NL flagSURF B.V.
AS2914
US flagNTT America, Inc.
Showing 5 of 72
Transit To

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

 

ASN
Organisation
AS4250543001
WORLD flagPrivate Use AS
AS4227865473
WORLD flagPrivate Use AS
AS4200016845
WORLD flagPrivate Use AS
AS7018
US flagAT&T Services, Inc.
AS8075
US flagMicrosoft Corporation
Showing 5 of 1060
IPv4 Active Prefixes

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

Prefix43.248.216.0/22
Range From43.248.216.0
Range To43.248.219.255
Prefix45.124.60.0/22
Range From45.124.60.0
Range To45.124.63.255
Prefix45.124.204.0/22
Range From45.124.204.0
Range To45.124.207.255
Prefix45.125.188.0/22
Range From45.125.188.0
Range To45.125.191.255
Prefix45.126.84.0/22
Range From45.126.84.0
Range To45.126.87.255
Showing 5 of 34
IPv6 Active Prefixes
Prefix2001:1a00::/32
Range From2001:1a00::
Range To2001:1a00: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.