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ASN Lookup Tool
AS204154 FIRST-SERVER-US-AS

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS204154
Organisation
FIRST SERVER LIMITED
Name
FIRST-SERVER-US-AS
Total IPv4 Addresses
1,024
Total IPv4 Prefixes
4
Total IPv6 Prefixes
1
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#33,558 out of 79,138
Registry
Ripe
Registered Country
GB flagGB
Registered Country Name
United Kingdom of Great Britain and Northern Ireland (the)
Registered Date
2018-04-11
Registration Last Change
2025-05-01
Receiving From
ASN
Organisation
AS395839
US flagHOSTKEY
IPv4 Active Prefixes
PrefixRange FromRange To
46.17.107.0/2446.17.107.046.17.107.255
92.118.10.0/2492.118.10.092.118.10.255
185.172.129.0/24185.172.129.0185.172.129.255
185.200.191.0/24185.200.191.0185.200.191.255
IPv6 Active Prefixes
PrefixRange FromRange To
2a04:5201:1::/482a04:5201:1::2a04:5201:1:ffff:ffff:ffff:ffff:ffff