AS8267 CYFRONET-AS Academic Computer Centre CYFRONET AGH

CYFRONET-AS Academic Computer Centre CYFRONET AGH · registered in Poland

IPv4 addresses76,5446 prefixes · 0.002% of announced IPv4

Rank in Poland#19largest network in PL by IPv4 space, of 2,091 · 0.40% of PL

Rank worldwide#2,260of 79,396 networks with IPv4

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

CountryPoland2,145 ASNs registered there

Open AS8267 in ASN lookup Look up an IP in this network (149.156.0.1) All networks in Poland

IPv4 prefixes

All 6 prefixes, in address order.

149.156.0.0/16
185.92.50.0/24
192.86.14.0/24
192.245.169.0/24
193.193.64.0/21
195.150.224.0/19

IPv6 prefixes

All 1 prefix.

2001:6d8::/32

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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