AS56588 EE-CERT Information System Authority

EE-CERT Information System Authority · registered in Estonia

IPv4 addresses2,0481 prefixes · <0.001% of announced IPv4

Rank in Estonia#51largest network in EE by IPv4 space, of 173 · 0.14% of EE

Rank worldwide#21,685of 79,396 networks with IPv4

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

CountryEstonia183 ASNs registered there

Open AS56588 in ASN lookup Look up an IP in this network (46.226.136.1) All networks in Estonia

IPv4 prefixes

All 1 prefix, in address order.

46.226.136.0/21

IPv6 prefixes

All 1 prefix.

2a00:6a00::/32

Similar-sized networks in Estonia

ASNNameIPv4 addresses

AS202376#48 ARVID-LOGICUM Arvid Logicum OU2,048

AS63286#49 AS63286-Zouter Hop179 OU2,048

AS47736#50 SMIT IT and Development Center of Ministry of Interior, Estonia2,048

AS61189#52 ELKDATA Elkdata OU2,048

AS31365#53 NGI2-TR NGI2 Technologies OU2,048

AS43682#54 EE-SEB-AS AS SEB Pank2,048

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