AS8522 FORTH-AS Foundation of Research and Technology Hellas

FORTH-AS Foundation of Research and Technology Hellas · registered in Greece

IPv4 addresses65,79217 prefixes · 0.002% of announced IPv4

Rank in Greece#12largest network in GR by IPv4 space, of 228 · 1.17% of GR

Rank worldwide#2,783of 79,396 networks with IPv4

IPv61 x /481 prefixes

CountryGreece234 ASNs registered there

Open AS8522 in ASN lookup Look up an IP in this network (139.91.0.1) All networks in Greece

IPv4 prefixes

All 17 prefixes, in address order.

139.91.0.0/20
139.91.16.0/24
139.91.17.0/24
139.91.18.0/23
139.91.20.0/22
139.91.24.0/21
139.91.32.0/19
139.91.64.0/18
139.91.128.0/18
139.91.192.0/19
139.91.224.0/20
139.91.240.0/21
139.91.248.0/23
139.91.250.0/24
139.91.251.0/24
139.91.252.0/22
192.67.249.0/24

IPv6 prefixes

All 1 prefix.

2001:648:2c30::/48

Similar-sized networks in Greece

ASNNameIPv4 addresses

AS8762#9 TEI-OF-CRETE-AS Hellenic Mediterranean University66,048

AS5470#10 ASAUTHNET Aristotle University of Thessaloniki65,792

AS6867#11 UCnet University of Crete65,792

AS3323#13 NTUA National Technical University of Athens65,536

AS8278#14 TUC-AS Technical University of Crete65,536

AS47616#15 CERTH Center for Research and Technology Hellas (CERTH)65,536

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