AS54113 Fastly, Inc.

FASTLY - Fastly, Inc. · registered in the United States

IPv4 addresses375,296301 prefixes · 0.012% of announced IPv4

Rank in United States#198largest network in US by IPv4 space, of 18,338 · 0.03% of US

Rank worldwide#692of 79,396 networks with IPv4

IPv61 x /32 (102,283 x /48)999 prefixes

CountryUnited States18,679 ASNs registered there

Open AS54113 in ASN lookup Look up an IP in this network (16.5.61.1) All networks in United States

IPv4 prefixes

All 301 prefixes, in address order.

16.5.61.0/24
23.154.64.0/24
23.185.0.0/24
23.235.32.0/23
23.235.35.0/24
23.235.36.0/22
23.235.40.0/24
23.235.42.0/23
23.235.44.0/24
23.235.46.0/23
43.249.72.0/22
45.56.195.0/24
45.58.212.0/22
45.58.232.0/21
45.58.240.0/22
63.141.63.0/24
63.245.216.0/22
63.245.220.0/23
63.245.222.0/24
64.251.201.0/24
66.43.1.0/24
66.211.168.0/24
87.81.225.0/24
87.81.227.0/24
87.81.230.0/24
87.81.232.0/24
87.81.234.0/24
87.81.237.0/24
87.81.238.0/24
87.81.247.0/24
90.98.0.0/18
103.245.222.0/24
104.156.80.0/22
104.156.84.0/23
104.156.86.0/24
104.156.89.0/24
104.156.90.0/23
104.156.92.0/25
104.156.92.128/26
104.156.92.192/27
104.156.92.224/28
104.156.92.240/28
104.156.94.0/23
104.238.251.0/24
104.244.43.0/24
140.248.0.0/20
140.248.16.0/22
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140.248.67.128/26
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140.248.67.240/28
140.248.68.0/22
140.248.72.0/24
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140.248.73.128/26
140.248.73.192/27
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140.248.73.240/28
140.248.74.0/23
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140.248.83.128/26
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140.248.84.0/23
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140.248.224.0/22
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140.248.240.0/20
146.75.0.0/19
146.75.32.0/20
146.75.48.0/21
146.75.56.0/21
146.75.64.0/18
146.75.128.0/19
146.75.160.0/22
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146.75.166.0/24
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146.75.168.0/21
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146.75.192.0/23
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146.75.204.0/22
146.75.208.0/20
146.75.224.0/22
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146.75.232.0/21
146.75.240.0/20
149.143.160.0/23
149.143.171.0/24
149.143.184.0/22
151.101.0.0/20
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151.101.192.0/20
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151.101.224.0/19
157.52.64.0/23
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157.52.67.128/26
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157.52.68.0/23
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157.52.72.0/21
157.52.80.0/23
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157.52.85.128/26
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157.52.87.0/24
157.52.88.0/22
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157.52.98.0/23
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159.242.243.0/24
162.219.224.0/22
162.247.243.0/24
167.82.0.0/18
167.82.64.0/18
167.82.130.0/23
167.82.132.0/22
167.82.136.0/21
167.82.160.0/22
167.82.164.0/24
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167.82.172.0/23
167.82.174.0/24
167.82.224.0/21
167.82.232.0/23
167.82.235.0/24
167.82.236.0/22
172.111.64.0/25
172.111.64.128/26
172.111.64.192/26
172.111.65.0/24
172.111.66.0/23
172.111.68.0/23
172.111.70.0/26
172.111.70.64/28
172.111.70.80/28
172.111.70.96/27
172.111.70.128/25
172.111.71.0/25
172.111.71.128/26
172.111.71.192/26
172.111.72.0/22
172.111.76.0/26
172.111.76.64/26
172.111.76.128/25
172.111.77.0/25
172.111.77.128/25
172.111.78.0/23
172.111.80.0/23
172.111.82.0/23
172.111.84.0/22
172.111.88.0/21
172.111.96.0/20
172.111.112.0/21
172.111.120.0/23
172.111.122.0/24
172.111.123.0/24
172.111.124.0/24
172.111.125.0/24
172.111.126.0/23
185.31.16.0/23
185.31.18.0/24
185.199.108.0/22
185.221.87.0/24
198.54.216.0/24
198.145.136.0/22
198.145.144.0/24
198.145.237.0/24
199.27.74.0/23
199.27.77.0/24
199.36.158.0/24
199.232.0.0/21
199.232.8.0/21
199.232.16.0/21
199.232.24.0/22
199.232.28.0/22
199.232.32.0/22
199.232.36.0/22
199.232.40.0/21
199.232.48.0/21
199.232.56.0/22
199.232.60.0/22
199.232.64.0/21
199.232.72.0/22
199.232.76.0/22
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199.232.128.0/18
199.232.192.0/21
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199.232.216.0/22
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199.232.236.0/22
199.232.240.0/22
199.232.244.0/22
199.232.248.0/21
209.102.206.0/24

IPv6 prefixes

First 500 of 999 prefixes.

2001:df0:45f::/48
2001:df0:461::/48
2001:df0:462::/48
2401:7c60:1::/48
2602:816:5001::/48
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Other ASNs named Fastly, Inc.

1 other network uses the same organisation name; together with AS54113 they announce 385,536 IPv4 addresses.

ASNNameIPv4 addresses

AS394192FASTLY-IT - Fastly, Inc. US10,240

Similar-sized networks in United States

ASNNameIPv4 addresses

AS361#195 DNIC-ASBLK-00306-00371 - United States Department of Defense (DoD)393,216

AS11663#196 SUG-1 - State of Utah392,704

AS6122#197 ICN-AS - Iowa Communications Network377,344

AS30058#199 FDCSERVERS - FDCservers.net369,918

AS36149#200 HAWAIIAN-TELCOM - Hawaiian Telcom Services Company, Inc.369,152

AS647#201 DNIC-ASBLK-00616-00665 - United States Department of Defense (DoD)348,928

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