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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

AS4756 · 

curl -s "https://thenetworkery.com/api/v1/bgp?query=AS4756"
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1 warning 1 passed

  • Pass

    AS4756 announces 3 IPv4 and 0 IPv6 prefixes.

  • Warning

    No IPv6 prefixes announced.

    Networks without IPv6 force their users through NAT64 or leave them unreachable from IPv6-only networks.

AS numberAS4756
HolderKNPU1208-AS-KR-KR - Korea National Police University
Registry blockAssigned by APNIC
Neighbours2
Prefixes announced3

Upstreams and peers seen to the left

AS4766 AS3786

Announced prefixes

103.67.58.0/23 103.67.58.0/24 103.67.59.0/24
Allocation
Registry (RIR)APNIC
CountrySouth Korea (KR)
Delegated on1996-05-17
StatusAllocated
Delegated rangeAS4756

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)