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ASN Lookup Tool
AS12387 TON

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS12387
Organisation
TON Total optical Networks AG
Name
TON
Total IPv4 Addresses
8,192
Total IPv4 Prefixes
8
Total IPv6 Prefixes
1
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#10,783 out of 79,000
Registry
Ripe
Registered Country
CH flagCH
Registered Country Name
Switzerland
Registered Date
1970-01-01
Registration Last Change
2025-09-12
Receiving From
ASN
Organisation
AS33891
DE flagCore-Backbone GmbH
AS56662
PL flagMarcin Gondek
AS7713
ID flagTelekomunikasi Indonesia (PT)
AS3303
CH flagSwisscom (Schweiz) AG
AS6057
UY flagAdministracion Nacional de Telecomunicaciones
Showing 5 of 47
Transit To
ASN
Organisation
AS25435
CH flagMETA10 AG
AS35223
LI flagHoi Internet AG
AS25581
LI flagGMG AG
AS56653
LI flagTV-COM AG
AS35535
LI flagVerwaltungs- und Privat Bank AG
Showing 5 of 24
IPv4 Active Prefixes
PrefixRange FromRange To
77.237.192.0/2177.237.192.077.237.199.255
77.237.200.0/2277.237.200.077.237.203.255
77.237.204.0/2377.237.204.077.237.205.255
77.237.206.0/2377.237.206.077.237.207.255
77.237.208.0/2377.237.208.077.237.209.255
Showing 5 of 8
IPv6 Active Prefixes
PrefixRange FromRange To
2a00:c10::/322a00:c10::2a00:c10:ffff:ffff:ffff:ffff:ffff:ffff