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ASN Lookup Tool
AS200454 TOM-AS

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS200454
Organisation
Tomas Oliveira Valente Leite de Castro
Name
TOM-AS
Total IPv4 Addresses
1,792
Total IPv4 Prefixes
6
Total IPv6 Prefixes
2
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#25,304 out of 79,255
Registry
Ripe
Registered Country
PT flagPT
Registered Country Name
Portugal
Registered Date
2022-12-19
Registration Last Change
2025-10-03
Receiving From
ASN
Organisation
AS6939
US flagHurricane Electric LLC
AS36236
US flagNetActuate, Inc
AS200454
PT flagTomas Oliveira Valente Leite de Castro
AS44324
US flagMoeDove LLC
AS12186
US flagGVVME
Transit To
ASN
Organisation
AS200454
PT flagTomas Oliveira Valente Leite de Castro
AS19577
US flagCASTRO TELECOM LLC
IPv4 Active Prefixes
PrefixRange FromRange To
23.147.168.0/2423.147.168.023.147.168.255
131.143.87.0/24131.143.87.0131.143.87.255
199.16.240.0/24199.16.240.0199.16.240.255
199.16.242.0/23199.16.242.0199.16.243.255
208.85.8.0/24208.85.8.0208.85.8.255
Showing 5 of 6
IPv6 Active Prefixes
PrefixRange FromRange To
2a0a:6040:aa00::/402a0a:6040:aa00::2a0a:6040:aaff:ffff:ffff:ffff:ffff:ffff
2a0f:b241:10::/482a0f:b241:10::2a0f:b241:10:ffff:ffff:ffff:ffff:ffff