AS8581 UOI University Of Ioannina

UOI University Of Ioannina · registered in Greece

IPv4 addresses9,4727 prefixes · <0.001% of announced IPv4

Rank in Greece#28largest network in GR by IPv4 space, of 228 · 0.17% of GR

Rank worldwide#9,357of 79,396 networks with IPv4

IPv61 x /481 prefixes

CountryGreece234 ASNs registered there

Open AS8581 in ASN lookup Look up an IP in this network (83.212.184.1) All networks in Greece

IPv4 prefixes

All 7 prefixes, in address order.

83.212.184.0/21
83.212.192.0/21
194.177.199.0/24
195.130.112.0/21
195.130.120.0/23
195.251.192.0/21
195.251.200.0/23

IPv6 prefixes

All 1 prefix.

2001:648:2e01::/48

Similar-sized networks in Greece

ASNNameIPv4 addresses

AS51505#25 DEI-AS Dimosia Epicheirisi Ilektrismou Anonymi Etaireia12,800

AS8253#26 DUTHNET-AS Democritus University of Thrace10,496

AS203101#27 NAVARINO-POP Navarino Single Member S.A.10,240

AS8280#29 SYNAPSECOM-AS SYNAPSECOM S.A. Provider of Telecommunications and Internet Services8,448

AS24849#30 DELTA DELTA FOODS Single Member SA.8,448

AS8499#31 Space_Hellas_AS8499 Space Hellas S.A.8,192

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