AS11941 Pillsbury Madison & Sutro, Inc.

PWLLP-AS001 - Pillsbury Madison & Sutro, Inc. · registered in the United States

IPv4 addresses5,63211 prefixes · <0.001% of announced IPv4

Rank in United States#3,927largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#12,872of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS11941 in ASN lookup Look up an IP in this network (204.227.225.1) All networks in United States

IPv4 prefixes

All 11 prefixes, in address order.

204.227.225.0/24
204.227.226.0/23
204.227.228.0/24
204.227.230.0/23
204.227.232.0/23
204.227.236.0/22
204.227.240.0/22
204.227.245.0/24
204.227.246.0/23
204.227.251.0/24
204.227.254.0/23

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AS14072#3930 WASH-DC-CITY-GOVT - Government of the District of Columbia5,632

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