AS21646 Fisher Investments Inc.

FISHER - Fisher Investments Inc. · registered in the United States

IPv4 addresses3,32813 prefixes · <0.001% of announced IPv4

Rank in United States#5,190largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#17,658of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS21646 in ASN lookup Look up an IP in this network (8.47.20.1) All networks in United States

IPv4 prefixes

All 13 prefixes, in address order.

8.47.20.0/24
63.151.180.0/24
63.156.165.0/24
63.159.249.0/24
64.124.143.0/24
172.87.40.0/24
204.107.250.0/24
204.199.211.0/24
207.210.64.0/24
207.210.70.0/24
207.210.73.0/24
207.214.127.0/24
208.45.153.0/24

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AS21891#5192 BUGGS-NET - Buggs Island Telephone Cooperative3,328

AS22040#5193 LINXUS1 - Linxus Internet3,328

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