AS399272 Barnholdt, LLC

BARNHOLDT-NA - Barnholdt, LLC · registered in the United States

IPv4 addresses5122 prefixes · <0.001% of announced IPv4

Rank in United States#10,181largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#47,619of 79,396 networks with IPv4

IPv6258 x /4812 prefixes

CountryUnited States18,679 ASNs registered there

Open AS399272 in ASN lookup Look up an IP in this network (23.144.204.1) All networks in United States

IPv4 prefixes

All 2 prefixes, in address order.

23.144.204.0/24
31.77.66.0/24

IPv6 prefixes

All 12 prefixes.

2604:26a0:5000::/46
2604:26a0:5004::/47
2604:26a0:5006::/47
2604:26a0:5008::/47
2604:26a0:500a::/48
2604:26a0:500b::/48
2604:26a0:500c::/46
2604:26a0:5010::/44
2604:26a0:5020::/43
2604:26a0:5040::/42
2604:26a0:5080::/41
2604:26a0:6000::/47

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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