AS30021 SonicWALL, Inc.

SNWL-COLO-SJL - SonicWALL, Inc. · registered in the United States

IPv4 addresses3,0725 prefixes · <0.001% of announced IPv4

Rank in United States#5,289largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#18,495of 79,396 networks with IPv4

IPv61 x /481 prefixes

CountryUnited States18,679 ASNs registered there

Open AS30021 in ASN lookup Look up an IP in this network (173.240.208.1) All networks in United States

IPv4 prefixes

All 5 prefixes, in address order.

173.240.208.0/21
173.240.216.0/24
173.240.221.0/24
204.212.170.0/24
208.17.117.0/24

IPv6 prefixes

All 1 prefix.

2620:9f::/48

Other ASNs named SonicWALL, Inc.

1 other network uses the same organisation name; together with AS30021 they announce 3,840 IPv4 addresses.

ASNNameIPv4 addresses

AS23472SONICWALL-BGP - SonicWALL, Inc. US768

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ASNNameIPv4 addresses

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AS15297#5288 EPLUS-ASN - EPLUS, Inc.3,072

AS157#5290 HPE-15 - HEWLETT PACKARD ENTERPRISE COMPANY3,072

AS277#5291 DXC-AS277 - DXC US Latin America Corporation3,072

AS929#5292 KIRINO - KIRINO LLC3,072

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