AS31420 TERASYST-AS Terasyst Ltd

TERASYST-AS Terasyst Ltd · registered in Bulgaria

IPv4 addresses5,1206 prefixes · <0.001% of announced IPv4

Rank in Bulgaria#87largest network in BG by IPv4 space, of 669 · 0.13% of BG

Rank worldwide#13,662of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryBulgaria675 ASNs registered there

Open AS31420 in ASN lookup Look up an IP in this network (5.104.184.1) All networks in Bulgaria

IPv4 prefixes

All 6 prefixes, in address order.

5.104.184.0/21
79.134.171.0/24
79.134.176.0/22
79.134.180.0/23
79.134.182.0/24
193.151.80.0/22

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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