AS2546 ARIADNE-T National Center of Scientific Research DEMOKRITOS

ARIADNE-T National Center of Scientific Research DEMOKRITOS · registered in Greece

IPv4 addresses62,97618 prefixes · 0.002% of announced IPv4

Rank in Greece#16largest network in GR by IPv4 space, of 228 · 1.12% of GR

Rank worldwide#3,580of 79,396 networks with IPv4

IPv61 x /481 prefixes

CountryGreece234 ASNs registered there

Open AS2546 in ASN lookup Look up an IP in this network (143.233.0.1) All networks in Greece

IPv4 prefixes

All 18 prefixes, in address order.

143.233.0.0/18
143.233.64.0/22
143.233.69.0/24
143.233.70.0/23
143.233.72.0/21
143.233.80.0/20
143.233.96.0/19
143.233.128.0/19
143.233.160.0/20
143.233.176.0/22
143.233.180.0/23
143.233.190.0/23
143.233.192.0/21
143.233.200.0/22
143.233.205.0/24
143.233.206.0/23
143.233.208.0/20
143.233.224.0/19

IPv6 prefixes

All 1 prefix.

2001:648:2120::/48

Similar-sized networks in Greece

ASNNameIPv4 addresses

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

AS8643#17 ATHENAnet NATIONAL AND KAPODISTRIAN UNIVERSITY OF ATHENS51,712

AS200736#18 INALAN MEDIANET INVEST AE49,152

AS6744#19 RACTI-NET Computer Technology Institute and Press "Diophantus"32,768

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