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ASN Lookup Tool
AS1239 COGENT-1239

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS1239
Organisation
Cogent Communications, LLC
Name
COGENT-1239
Total IPv4 Addresses
0
Total IPv4 Prefixes
0
Total IPv6 Prefixes
3
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
Registry
Arin
Registered Country
US flagUS
Registered Country Name
United States of America (the)
Registered Date
Registration Last Change
2025-12-23
Receiving From
ASN
Organisation
AS22850
US flagPIT US
AS4766
KR flagKorea Telecom
AS2516
JP flagKDDI CORPORATION
AS7713
ID flagTelekomunikasi Indonesia (PT)
AS6057
UY flagAdministracion Nacional de Telecomunicaciones
Showing 5 of 44
Transit To
ASN
Organisation
AS214618
GB flagHack The Box Ltd
IPv6 Active Prefixes
PrefixRange FromRange To
2402:4480:302::/482402:4480:302::2402:4480:302:ffff:ffff:ffff:ffff:ffff
2402:4480:401::/482402:4480:401::2402:4480:401:ffff:ffff:ffff:ffff:ffff
2402:4480:403::/482402:4480:403::2402:4480:403:ffff:ffff:ffff:ffff:ffff