AS394621 Stack41, llc.

DATAHOLDINGS-414-USA - Stack41, llc. · registered in the United States

IPv4 addresses2,3046 prefixes · <0.001% of announced IPv4

Rank in United States#5,793largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#20,651of 79,396 networks with IPv4

IPv61 x /32 (65,536 x /48)1 prefixes

CountryUnited States18,679 ASNs registered there

Open AS394621 in ASN lookup Look up an IP in this network (50.227.99.1) All networks in United States

IPv4 prefixes

All 6 prefixes, in address order.

50.227.99.0/24
148.59.37.0/24
148.59.133.0/24
161.38.16.0/22
162.223.125.0/24
207.166.139.0/24

IPv6 prefixes

All 1 prefix.

2604:2240::/32

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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