AS12303 ISZT-AS Magyarorszagi Internet Szolgaltatok Tanacsa Tudomanyos Egyesulet

ISZT-AS Magyarorszagi Internet Szolgaltatok Tanacsa Tudomanyos Egyesulet · registered in Hungary

IPv4 addresses1,0241 prefixes · <0.001% of announced IPv4

Rank in Hungary#114largest network in HU by IPv4 space, of 236 · 0.02% of HU

Rank worldwide#35,334of 79,396 networks with IPv4

IPv6256 x /481 prefixes

CountryHungary246 ASNs registered there

Open AS12303 in ASN lookup Look up an IP in this network (5.28.0.1) All networks in Hungary

IPv4 prefixes

All 1 prefix, in address order.

5.28.0.0/22

IPv6 prefixes

All 1 prefix.

2a00:e6a0::/40

Similar-sized networks in Hungary

ASNNameIPv4 addresses

AS15566#111 Infotechna Infotechna Ltd.1,024

AS208154#112 elin ELIN.hu Informatikai Szolgaltato es Tanacsado Kft.1,024

AS215366#113 BGN Gabor Birincsik1,024

AS50144#115 UNIMATRIX-AS Unimatrix IT Solutions Kft.1,024

AS49857#116 INCLUST-AS Inclust System Ltd.1,024

AS215261#117 VIPY-AS ByteFly Kft1,024

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