AS57912 ASYST-AS Asyst EOOD

ASYST-AS Asyst EOOD · registered in Bulgaria

IPv4 addresses1,5363 prefixes · <0.001% of announced IPv4

Rank in Bulgaria#194largest network in BG by IPv4 space, of 669 · 0.04% of BG

Rank worldwide#26,299of 79,396 networks with IPv4

IPv61 x /481 prefixes

CountryBulgaria675 ASNs registered there

Open AS57912 in ASN lookup Look up an IP in this network (77.76.12.1) All networks in Bulgaria

IPv4 prefixes

All 3 prefixes, in address order.

77.76.12.0/24
82.119.87.0/24
91.236.144.0/22

IPv6 prefixes

All 1 prefix.

2001:67c:261c::/48

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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