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ASN Lookup Tool
AS40021 CONTABO-40021

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS40021
Organisation
Contabo Inc.
Name
CONTABO-40021
Total IPv4 Addresses
139,008
Total IPv4 Prefixes
89
Total IPv6 Prefixes
5
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#1,463 out of 79,346
Registry
Arin
Registered Country
US flagUS
Registered Country Name
United States of America (the)
Registered Date
Registration Last Change
2025-07-14
Receiving From
ASN
Organisation
AS3356
US flagLevel 3 Parent, LLC
AS174
US flagCogent Communications, LLC
AS46887
US flagCrown Castle Fiber LLC
IPv4 Active Prefixes
PrefixRange FromRange To
5.180.151.0/245.180.151.05.180.151.255
5.252.52.0/235.252.52.05.252.53.255
5.252.54.0/235.252.54.05.252.55.255
31.220.96.0/2131.220.96.031.220.103.255
38.105.209.0/2438.105.209.038.105.209.255
Showing 5 of 89
IPv6 Active Prefixes
PrefixRange FromRange To
2605:a140::/322605:a140::2605:a140:ffff:ffff:ffff:ffff:ffff:ffff
2605:a141::/322605:a141::2605:a141:ffff:ffff:ffff:ffff:ffff:ffff
2605:a142::/322605:a142::2605:a142:ffff:ffff:ffff:ffff:ffff:ffff
2605:a143::/322605:a143::2605:a143:ffff:ffff:ffff:ffff:ffff:ffff
2605:a144::/322605:a144::2605:a144:ffff:ffff:ffff:ffff:ffff:ffff