AS21922 WorldSpice Technologies

WEBNET - WorldSpice Technologies · registered in the United States

IPv4 addresses12,28815 prefixes · <0.001% of announced IPv4

Rank in United States#2,673largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#8,118of 79,396 networks with IPv4

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

CountryUnited States18,679 ASNs registered there

Open AS21922 in ASN lookup Look up an IP in this network (204.197.128.1) All networks in United States

IPv4 prefixes

All 15 prefixes, in address order.

204.197.128.0/20
216.37.64.0/22
216.37.68.0/23
216.37.70.0/23
216.37.72.0/24
216.37.73.0/24
216.37.74.0/24
216.37.75.0/24
216.37.76.0/24
216.37.77.0/24
216.37.78.0/23
216.37.80.0/22
216.37.84.0/23
216.37.86.0/23
216.37.88.0/21

IPv6 prefixes

All 1 prefix.

2604:c040::/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