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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

AS21504 · 

curl -s "https://thenetworkery.com/api/v1/bgp?query=AS21504"
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1 warning 1 passed

  • Pass

    AS21504 announces 20 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 numberAS21504
HolderBESSEMER-GROUP-INCORPORATED - The Bessemer Group, Inc.
Registry blockAssigned by ARIN
Neighbours9
Prefixes announced20

Upstreams and peers seen to the left

AS46887 AS46450 AS6461 AS174 AS55002 AS54004 AS3356 AS701 AS33287

Announced prefixes

198.160.34.0/24 198.160.35.0/24 198.160.37.0/24 198.160.38.0/24 198.160.39.0/24 198.160.40.0/24 198.160.42.0/24 198.160.43.0/24 198.160.44.0/24 198.160.45.0/24 198.160.48.0/24 198.160.49.0/24 198.160.50.0/23 198.160.50.0/24 198.160.51.0/24 198.160.52.0/24 198.160.53.0/24 198.160.54.0/24 198.160.55.0/24 198.160.57.0/24
Allocation
Registry (RIR)ARIN
CountryUnited States (US)
Delegated on2014-05-28
StatusAssigned
Delegated rangeAS21504

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)