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ASN Lookup Tool
AS4004 COGENT-4000

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ASN Details
ASN
AS4004
Organisation
Cogent Communications, LLC
Name
COGENT-4000
Total IPv4 Addresses
256
Total IPv4 Prefixes
1
Total IPv6 Prefixes
0
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#62,164 out of 79,305
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
AS5511
FR flagOrange S.A.
Transit To
ASN
Organisation
AS51964
US flagORANGE BUSINESS SERVICES U.S. Inc.
AS13879
US flagORANGE BUSINESS SERVICES U.S. Inc.
IPv4 Active Prefixes
PrefixRange FromRange To
57.66.70.0/2457.66.70.057.66.70.255