AS36063 Arrownet, Inc.

ITSPEED-0001 - Arrownet, Inc. · registered in the United States

IPv4 addresses4,0961 prefixes · <0.001% of announced IPv4

Rank in United States#4,508largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#15,098of 79,396 networks with IPv4

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

CountryUnited States18,679 ASNs registered there

Open AS36063 in ASN lookup Look up an IP in this network (66.203.128.1) All networks in United States

IPv4 prefixes

All 1 prefix, in address order.

66.203.128.0/20

IPv6 prefixes

All 1 prefix.

2605:cf40::/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