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Seattle, Washington, United States

Networks whose geofeeds place IP prefixes here. IP-derived locations are approximate: a prefix placed here serves people in or around this city, not a street address.

Place details

Type
city
Region
Washington (US-WA)
Country
United States (US)
Time zone
America/Los_Angeles
Place centre
47.6062, -122.3321
GeoNames
5809844 ↗

Published prefixes

25,032 prefixes in Fastah's public IP data (17,901 IPv4, 7,131 IPv6). The first 100, in address order:
1.178.72.0/211.178.172.0/231.179.14.0/231.179.52.0/221.179.56.0/221.179.60.0/232.19.128.0/202.22.234.0/242.56.20.0/222.216.48.0/242.216.49.0/242.216.50.0/242.216.51.0/242.216.52.0/242.216.53.0/242.216.54.0/242.216.55.0/242.216.72.0/24
Show 82 more
2.216.73.0/242.216.74.0/242.216.75.0/242.216.76.0/242.216.77.0/242.216.78.0/242.216.79.0/243.2.1.0/243.2.4.0/233.2.8.0/213.2.41.0/263.3.0.0/233.3.6.0/233.3.8.0/213.4.8.0/243.4.32.0/203.33.128.0/173.160.0.0/143.164.0.0/183.164.64.0/183.164.128.0/173.165.0.0/163.166.0.0/153.168.0.0/143.172.0.0/183.172.64.0/183.173.0.0/173.173.128.0/183.173.192.0/183.174.0.0/154.144.0.0/144.144.203.73/324.144.203.255/324.145.0.80/284.145.12.240/284.145.16.28/304.145.16.48/284.145.16.144/294.145.16.192/264.145.18.62/324.145.18.136/304.145.19.42/324.145.19.43/324.145.19.48/304.145.19.52/304.145.19.64/284.145.19.80/314.145.19.82/324.145.20.116/304.145.20.120/314.145.22.160/294.145.74.168/324.145.78.50/314.145.78.56/294.145.79.78/314.145.79.116/304.145.79.120/294.145.79.128/284.145.79.210/314.145.222.200/304.146.0.16/284.146.1.0/274.146.1.128/254.146.10.224/274.146.105.192/274.147.36.14/314.147.36.152/304.147.37.156/304.147.37.160/274.147.37.192/264.147.38.0/294.147.44.8/294.147.44.160/274.147.241.0/284.148.0.0/154.148.24.0/254.148.29.64/274.148.215.16/284.148.215.32/274.149.21.200/294.149.98.24/314.149.98.26/32

Organizations (prefixes here)

Microsoft20,509
Cogent Communications838
Amazon / AWS460
Cloudflare143
Akamai129
GTT126
Google57
IPXO52
Starlink51
Apple40
Cisco Cloud Security33
Tata Communications31
Bunny Communications10
PCCW Global, Inc10
Datafast (Brazil)6
Equinix5
LogicWeb5
CatoNetworks4
OpenGeoFeedOrg-Public4
Hyonix3
Viasat1

Geofeeds (prefixes here)

Microsoft · 0318,242
Microsoft · 041,365
Discovered feed 88a7d458f46413971,311
Cogent Communications · 01838
Microsoft · 05812
Amazon / AWS · 02414
Discovered feed 531e1d534595d48b165
Cloudflare · 01143
Akamai · 01129
GTT · 01126
Discovered feed 9cdb4e827a7213ce64
Google · 0157
IPXO · 0152
SpaceX Starlink · 0151
Microsoft · 0151
SpaceX Starlink · 0251
Cloudflare · 0247
Discovered feed 2e86522ad4fde89946
Discovered feed 358e737bc1ba903445
Discovered feed 3d1a1ce0f9a00c7143
Amazon / AWS · 0142
iCloud Private Relay · 0140
Microsoft · 0639
Discovered feed 5ebc97ad68c7cb6635
Discovered feed c2aed89e0234123b35
and 472 more

Data as of 2026-11-05, from Fastah's daily geofeed crawl.

Source & attribution. Place names and coordinates are from GeoNames (CC BY 4.0). The networks listed publish the geofeeds that place their prefixes here; Fastah does not edit them. Report a wrong location →