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thenetworkery

ASN & BGP prefix lookup

Origin AS, visibility, RPKI validity, upstreams and announced prefixes from the global routing table.

AS number, IP address or prefix

AS12303 · 

curl -s "https://thenetworkery.com/api/v1/bgp?query=AS12303"
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  • Pass

    AS12303 announces 1 IPv4 and 1 IPv6 prefixes.

AS numberAS12303
HolderISZT-AS Magyarorszagi Internet Szolgaltatok Tanacsa Tudomanyos Egyesulet
Registry blockAssigned by RIPE NCC
Neighbours9
Prefixes announced2

Upstreams and peers seen to the left

AS62214 AS6939 AS33891 AS47692 AS15958 AS21215 AS6663

Announced prefixes

2a00:e6a0::/40 5.28.0.0/22
Allocation
Registry (RIR)RIPE NCC
CountryHungary (HU)
Delegated on2005-06-14
StatusAllocated
Delegated rangeAS12303

Source: RIR delegation data, updated daily. The country is where the range was registered, not necessarily where it is used.

Open in PeeringDB lookup · WHOIS / RDAP lookup

Source: RIPEstat (RIPE NCC RIS)