AS13172 ESO Electroenergien Sistemen Operator EAD

ESO Electroenergien Sistemen Operator EAD · registered in Bulgaria

IPv4 addresses1,5365 prefixes · <0.001% of announced IPv4

Rank in Bulgaria#191largest network in BG by IPv4 space, of 669 · 0.04% of BG

Rank worldwide#25,784of 79,396 networks with IPv4

IPv61 x /32 (65,536 x /48)1 prefixes

CountryBulgaria675 ASNs registered there

Open AS13172 in ASN lookup Look up an IP in this network (91.211.232.1) All networks in Bulgaria

IPv4 prefixes

All 5 prefixes, in address order.

91.211.232.0/24
91.211.234.0/23
185.108.188.0/24
185.108.191.0/24
195.225.127.0/24

IPv6 prefixes

All 1 prefix.

2a03:d180::/32

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AS207249#190 ICS Icard Services PLC1,536

AS198228#192 STS-AS Silistra Telecom Solutions Ltd.1,536

AS198883#193 asd-as Tabunscic Anatoli1,536

AS57912#194 ASYST-AS Asyst EOOD1,536

IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources