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Autonomous System

AS11941

Pillsbury Madison & Sutro, Inc.

Announced IPs
5,632
CIDR prefixes
13
ASN
AS11941

Reputation · trust score

A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.

65/100
Moderate
How this score is built

Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
204.227.236.0/22 1.0K
0.2%
Pillsbury Madison & Sutro, Inc. US
204.227.240.0/22 1.0K
0.1%
Pillsbury Madison & Sutro, Inc. US New York New York
204.227.226.0/23 512
0.2%
Pillsbury Madison & Sutro, Inc. US
204.227.230.0/23 512
0.0%
Pillsbury Madison & Sutro, Inc. US
204.227.232.0/23 512
0.0%
Pillsbury Madison & Sutro, Inc. US
204.227.238.0/23 512
0.0%
Pillsbury Madison & Sutro, Inc. US
204.227.240.0/23 512
0.0%
Pillsbury Madison & Sutro, Inc. US Virginia Vienna
204.227.246.0/23 512
3.1%
Pillsbury Madison & Sutro, Inc. US New York New York
204.227.254.0/23 512
1.4%
Pillsbury Madison & Sutro, Inc. US
204.227.225.0/24 256
0.0%
Pillsbury Madison & Sutro, Inc. US California Los Angeles
204.227.228.0/24 256
0.0%
Pillsbury Madison & Sutro, Inc. US
204.227.242.0/24 256
0.0%
Pillsbury Madison & Sutro, Inc. US
204.227.245.0/24 256
0.0%
Pillsbury Madison & Sutro, Inc. US
204.227.251.0/24 256
0.0%
Pillsbury Madison & Sutro, Inc. US
204.227.236.0/25 128
0.0%
Pillsbury Madison & Sutro, Inc. GB
204.227.236.128/25 128
0.0%
Pillsbury Madison & Sutro, Inc. US
204.227.237.128/25 128
0.0%
Pillsbury Madison & Sutro, Inc. US
204.227.245.0/25 128
0.0%
Pillsbury Madison & Sutro, Inc. JP
204.227.245.128/25 128
0.0%
Pillsbury Madison & Sutro, Inc. US
204.227.237.64/26 64
0.0%
Pillsbury Madison & Sutro, Inc. US
204.227.237.0/27 32
0.0%
Pillsbury Madison & Sutro, Inc. HK
204.227.237.32/27 32
0.0%
Pillsbury Madison & Sutro, Inc. US

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS11941 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
204.227.242.0/24 14,963 2026-07-26 12:15:39
204.227.226.0/24 13,148 2026-07-26 12:15:39
204.227.237.0/24 12,914 2026-07-26 11:53:24
204.227.225.0/24 11,014 2026-07-26 12:15:35
204.227.232.0/24 10,643 2026-07-26 13:23:02
204.227.243.0/24 10,534 2026-07-26 13:23:44
204.227.228.0/24 8,951 2026-07-26 11:51:05
204.227.255.0/24 8,944 2026-07-26 11:51:05
204.227.251.0/24 8,857 2026-07-26 11:51:05
204.227.246.0/24 8,854 2026-07-26 11:51:05
204.227.231.0/24 8,678 2026-07-26 12:15:35
204.227.247.0/24 8,487 2026-07-26 11:51:05
204.227.240.0/24 8,487 2026-07-26 12:15:43
204.227.254.0/24 8,480 2026-07-26 11:51:05
204.227.239.0/24 7,514 2026-07-26 11:53:24
204.227.230.0/24 6,997 2026-07-26 12:15:43
204.227.238.0/24 6,783 2026-07-26 11:52:03
204.227.227.0/24 6,470 2026-07-26 12:15:43
204.227.241.0/24 6,468 2026-07-26 12:24:21
204.227.236.0/24 4,561 2026-07-26 11:51:51
204.227.233.0/24 3,656 2026-07-26 11:51:56
204.227.245.0/24 3,524 2026-07-26 12:25:15

Frequently Asked Questions

What is AS11941?

AS11941 is an Autonomous System Number assigned to Pillsbury Madison & Sutro, Inc.. An ASN identifies a network that controls a specific set of IP addresses and determines how traffic is routed across the internet via BGP (Border Gateway Protocol).

How many IP addresses does AS11941 announce?

AS11941 announces 5.6K IPv4 addresses distributed across 13 routed CIDR prefixes. The network is registered in United States.

Who operates AS11941?

AS11941 is operated by Pillsbury Madison & Sutro, Inc.. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.

What country is AS11941 registered in?

AS11941 is registered in United States. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-07-26 13:25:31 UTC
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