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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
35,040
Total IPv4 Prefixes
29
Total IPv6 Prefixes
1
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#4,853 out of 79,163
Registry
Ripe
Registered Country
GB flagGB
Registered Country Name
United Kingdom of Great Britain and Northern Ireland (the)
Registered Date
2002-09-18
Registration Last Change
2025-09-23
Receiving From
ASN
Organisation
AS3320
DE flagDeutsche Telekom AG
AS174
US flagCogent Communications, LLC
AS2516
JP flagKDDI CORPORATION
AS2914
US flagNTT America, Inc.
AS7713
ID flagTelekomunikasi Indonesia (PT)
Showing 5 of 53
Transit To
ASN
Organisation
AS65279
WORLD flagPrivate Use AS
AS16509
US flagAmazon.com, Inc.
AS8075
US flagMicrosoft Corporation
AS4837
CN flagCHINA UNICOM China169 Backbone
AS3320
DE flagDeutsche Telekom AG
Showing 5 of 386
IPv4 Active Prefixes
PrefixRange FromRange To
43.248.216.0/2243.248.216.043.248.219.255
45.125.188.0/2245.125.188.045.125.191.255
62.216.128.0/1962.216.128.062.216.159.255
80.77.0.0/2080.77.0.080.77.15.255
80.81.64.0/2180.81.64.080.81.71.255
Showing 5 of 29
IPv6 Active Prefixes
PrefixRange FromRange To
2001:1a00::/322001:1a00::2001:1a00:ffff:ffff:ffff:ffff:ffff:ffff