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ASN Lookup Tool
AS398991 X99-US

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS398991
Organisation
X99
Name
X99-US
Total IPv4 Addresses
9,728
Total IPv4 Prefixes
36
Total IPv6 Prefixes
4
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#9,493 out of 79,240
Registry
Arin
Registered Country
US flagUS
Registered Country Name
United States of America (the)
Registered Date
Registration Last Change
2024-02-22
Receiving From
ASN
Organisation
AS22850
US flagPIT US
AS7018
US flagAT&T Enterprises, LLC
AS3320
DE flagDeutsche Telekom AG
AS3356
US flagLevel 3 Parent, LLC
AS174
US flagCogent Communications, LLC
Showing 5 of 108
Transit To
ASN
Organisation
AS402008
US flagL7CORE, LLC
IPv4 Active Prefixes
PrefixRange FromRange To
38.46.142.0/2438.46.142.038.46.142.255
38.46.143.0/2438.46.143.038.46.143.255
38.81.122.0/2438.81.122.038.81.122.255
38.81.123.0/2438.81.123.038.81.123.255
38.99.238.0/2438.99.238.038.99.238.255
Showing 5 of 36
IPv6 Active Prefixes
PrefixRange FromRange To
2607:a540::/332607:a540::2607:a540:7fff:ffff:ffff:ffff:ffff:ffff
2607:a540:9000::/382607:a540:9000::2607:a540:93ff:ffff:ffff:ffff:ffff:ffff
2607:a540:9400::/382607:a540:9400::2607:a540:97ff:ffff:ffff:ffff:ffff:ffff
2607:a540:9800::/382607:a540:9800::2607:a540:9bff:ffff:ffff:ffff:ffff:ffff