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Autonomous System

AS4193

State of Washington

Announced IPs
655,872
CIDR prefixes
36
ASN
AS4193

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.

73/100
Moderate
How this score is built
  • Baseline (neutral) 65
  • Government allocation +8
  • Trust score 73 / 100

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

About Washington

Washington is a state in the Pacific Northwest region of the United States. It is often referred to as Washington state to distinguish it from the national capital; both are named after George Washington, a U.S.

Founded
1889

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
146.76.0.0/16 65.5K
0.0%
State of Washington US Washington Colville
147.55.0.0/16 65.5K
1.4%
State of Washington US Washington Tacoma
147.56.0.0/16 65.5K
0.6%
State of Washington US Washington Tacoma
152.113.0.0/16 65.5K
0.0%
State of Washington US Washington Sammamish
159.1.0.0/16 65.5K
0.0%
State of Washington US
165.151.0.0/16 65.5K
0.0%
State of Washington US
167.72.0.0/16 65.5K
0.0%
State of Washington US Washington Olympia
198.239.0.0/16 65.5K
0.6%
State of Washington US Washington Olympia
198.238.0.0/17 32.8K
0.6%
State of Washington US Washington Seattle
198.238.128.0/18 16.4K
0.4%
State of Washington US Washington Olympia
206.194.128.0/18 16.4K
0.8%
State of Washington US Washington Olympia
143.55.96.0/19 8.2K
0.0%
State of Washington US Washington Spanaway
149.20.128.0/19 8.2K
0.0%
State of Washington US
198.7.64.0/19 8.2K
1.0%
State of Washington US Washington Olympia
198.238.224.0/19 8.2K
0.7%
State of Washington US Washington Olympia
209.74.192.0/19 8.2K
0.0%
State of Washington US
192.209.32.0/20 4.1K
0.0%
State of Washington US
192.230.0.0/20 4.1K
0.0%
State of Washington US Washington Seattle
198.238.192.0/20 4.1K
0.4%
State of Washington US Washington Olympia
192.209.48.0/21 2.0K
0.0%
State of Washington US Washington Olympia
198.238.216.0/21 2.0K
0.1%
State of Washington US
192.209.56.0/22 1.0K
0.0%
State of Washington US
198.180.4.0/22 1.0K
0.0%
State of Washington US
198.187.0.0/22 1.0K
1.6%
State of Washington US Washington Olympia
198.238.208.0/22 1.0K
3.8%
State of Washington US
199.47.32.0/22 1.0K
0.3%
State of Washington US
192.209.60.0/23 512
0.0%
State of Washington US
198.99.100.0/23 512
0.0%
State of Washington US Washington Olympia
198.186.220.0/23 512
0.2%
State of Washington US
198.238.214.0/23 512
1.8%
State of Washington US
192.94.25.0/24 256
0.0%
State of Washington US
192.149.56.0/24 256
0.0%
State of Washington US
192.150.143.0/24 256
0.0%
State of Washington US
198.62.236.0/24 256
0.0%
State of Washington US
198.135.121.0/24 256
0.0%
State of Washington US
199.47.36.0/24 256
0.0%
State of Washington US

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS4193 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
198.239.9.0/24 587,023 2026-09-01 07:46:52
192.150.143.0/24 17,196 2026-09-01 07:46:52
149.20.128.0/19 11,056 2026-09-01 07:46:52
147.56.0.0/16 11,030 2026-09-01 07:46:52
143.55.96.0/19 10,968 2026-09-01 07:46:52
147.55.0.0/16 10,957 2026-09-01 07:46:52
146.76.0.0/16 10,947 2026-09-01 07:46:52
152.113.0.0/16 10,848 2026-09-01 07:46:52
192.230.0.0/20 10,748 2026-09-01 07:46:52
198.99.100.0/23 10,677 2026-09-01 07:46:52
167.72.0.0/16 10,669 2026-09-01 07:46:52
159.1.0.0/16 10,651 2026-09-01 07:46:52
165.151.0.0/16 10,636 2026-09-01 07:46:52
192.209.32.0/20 10,621 2026-09-01 07:46:52
198.238.0.0/16 10,609 2026-09-01 07:46:52
209.74.192.0/19 10,608 2026-09-01 07:46:52
192.149.56.0/24 10,606 2026-09-01 07:46:52
198.239.0.0/16 10,586 2026-09-01 07:46:52
192.209.48.0/21 10,584 2026-09-01 07:46:52
198.180.4.0/22 10,580 2026-09-01 07:46:52
198.239.8.0/24 10,576 2026-09-01 07:46:52
192.94.25.0/24 10,566 2026-09-01 07:46:52
199.47.36.0/24 10,563 2026-09-01 07:46:52
206.194.128.0/18 10,556 2026-09-01 07:46:52
192.209.56.0/22 10,554 2026-09-01 07:46:52
198.186.220.0/23 10,553 2026-09-01 07:46:52
192.209.60.0/23 10,544 2026-09-01 07:46:52
198.7.64.0/19 10,538 2026-09-01 07:46:52
198.62.236.0/24 10,537 2026-09-01 07:46:52
199.47.32.0/22 10,517 2026-09-01 07:46:52
198.187.0.0/22 10,510 2026-09-01 07:46:52
198.135.121.0/24 10,489 2026-09-01 07:46:52

Frequently Asked Questions

What is AS4193?

AS4193 is an Autonomous System Number assigned to State of Washington. 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 AS4193 announce?

AS4193 announces 655.9K IPv4 addresses distributed across 36 routed CIDR prefixes. The network is registered in United States.

Who operates AS4193?

AS4193 is operated by State of Washington. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.

What country is AS4193 registered in?

AS4193 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: 2026-09-01 07:54:06 UTC
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