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ASN Lookup Tool
AS41743 ASOPTIMASET

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS41743
Organisation
OPTIMASET Ltd.
Name
ASOPTIMASET
Total IPv4 Addresses
2,304
Total IPv4 Prefixes
7
Total IPv6 Prefixes
1
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#21,687 out of 79,918
Registry
Ripe
Registered Country
RU flagRU
Registered Country Name
Russian Federation (the)
Registered Date
2012-05-08
Registration Last Change
2026-02-24
Receiving From
ASN
Organisation
AS12389
RU flagPJSC Rostelecom
AS3216
RU flagPJSC "Vimpelcom"
AS6939
US flagHurricane Electric LLC
AS31133
RU flagPJSC MegaFon
AS20485
RU flagJoint Stock Company TransTeleCom
Showing 5 of 16
IPv4 Active Prefixes
PrefixRange FromRange To
176.115.136.0/24176.115.136.0176.115.136.255
176.115.137.0/24176.115.137.0176.115.137.255
176.115.138.0/24176.115.138.0176.115.138.255
176.115.139.0/24176.115.139.0176.115.139.255
176.115.140.0/23176.115.140.0176.115.141.255
Showing 5 of 7
IPv6 Active Prefixes
PrefixRange FromRange To
2a09:c80::/292a09:c80::2a09:c87:ffff:ffff:ffff:ffff:ffff:ffff