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Organization

Fastly, Inc.

IPv4 addresses
354,304
CIDR ranges
113
Category
cdn
BGP prefixes announced
612

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.

70/100
Moderate
How this score is built
  • Baseline (neutral) 65
  • Cdn allocation +5
  • Trust score 70 / 100

Experimental · trust-vectors model v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →

About Fastly

Fastly, Inc. is an American company based in San Francisco, which describes itself as a cloud computing company.

Founded
2011
Headquarters
San Francisco
Industry
computer security

Operates 1 network present at 152 internet exchanges with a selective peering policy.

Fastly, Inc. — global IP footprint

Cities where Fastly, Inc. has measurable IPv4 allocation. Click any dot to open that city's page. Size and color scale with IP count.

Countries served by Fastly, Inc.

Every country where this organization has IPv4 allocations, ranked by IPs held.

ASNs owned by Fastly, Inc.

ASNNameIPsPrefixesCountry
AS54113 Fastly, Inc. 360.4K 118 US

Largest CIDR ranges

CIDRIPsPTR DensityASNCountryStateCity
146.75.0.0/16 65.5K
0.0%
AS54113 US Virginia Ashburn
151.101.0.0/16 65.5K
0.0%
AS54113 US Florida Jacksonville
199.232.0.0/16 65.5K
0.0%
AS54113 US
140.248.128.0/17 32.8K
0.0%
AS54113 US
167.82.0.0/17 32.8K
0.0%
AS54113 US
140.248.0.0/18 16.4K
0.0%
AS54113 US New York Brooklyn
172.111.64.0/18 16.4K
0.0%
AS54113 US
87.81.224.0/19 8.2K
0.0%
AS54113 GB
157.52.64.0/20 4.1K
0.0%
AS54113 US
104.156.80.0/21 2.0K
0.0%
AS54113 US
157.52.72.0/21 2.0K
0.0%
AS54113 US
23.235.36.0/22 1.0K
0.0%
AS54113 US California San Jose
23.235.44.0/22 1.0K
0.0%
AS54113 US
43.249.72.0/22 1.0K
0.0%
AS54113 NZ
63.245.216.0/22 1.0K
98.2%
AS54113 US
104.156.92.0/22 1.0K
0.0%
AS54113 US
140.248.68.0/22 1.0K
0.0%
AS54113 US Texas Dallas
140.248.72.0/22 1.0K
0.0%
AS54113 US
140.248.84.0/22 1.0K
0.0%
AS54113 US
140.248.88.0/22 1.0K
0.0%
AS54113 US California Palo Alto
140.248.104.0/22 1.0K
0.0%
AS54113 US
157.52.64.0/22 1.0K
0.0%
AS54113 US
157.52.88.0/22 1.0K
0.0%
AS54113 US Arizona Phoenix
157.52.96.0/22 1.0K
0.0%
AS54113 US California San Jose
157.52.108.0/22 1.0K
0.0%
AS54113 US
157.52.116.0/22 1.0K
0.0%
AS54113 US
162.219.224.0/22 1.0K
0.0%
AS54113 US
167.82.136.0/22 1.0K
0.0%
AS54113 US
167.82.160.0/22 1.0K
0.0%
AS54113 US
167.82.228.0/22 1.0K
0.0%
AS54113 US
167.82.236.0/22 1.0K
0.0%
AS54113 US
185.31.16.0/22 1.0K
0.0%
AS54113 US
185.199.108.0/22 1.0K
1.0%
AS54113 US
23.235.32.0/23 512
0.0%
AS54113 US
23.235.42.0/23 512
0.0%
AS54113 US
63.245.220.0/23 512
98.6%
AS54113 US Illinois Chicago
104.156.90.0/23 512
0.0%
AS54113 US Massachusetts Boston
104.156.92.0/23 512
0.0%
AS54113 US
140.248.66.0/23 512
0.0%
AS54113 US
140.248.78.0/23 512
0.0%
AS54113 US Missouri St Louis
140.248.82.0/23 512
0.0%
AS54113 US Florida Miami
140.248.108.0/23 512
0.0%
AS54113 US
140.248.124.0/23 512
0.0%
AS54113 US
157.52.68.0/23 512
0.0%
AS54113 US New Jersey Newark
157.52.80.0/23 512
0.0%
AS54113 US
157.52.84.0/23 512
0.0%
AS54113 US
157.52.94.0/23 512
0.0%
AS54113 US Florida Gainesville
157.52.100.0/23 512
0.0%
AS54113 US Florida Miami
157.52.104.0/23 512
0.0%
AS54113 US
157.52.110.0/23 512
0.0%
AS54113 US Texas Dallas
157.52.122.0/23 512
0.0%
AS54113 US
157.52.124.0/23 512
0.0%
AS54113 US
167.82.130.0/23 512
0.0%
AS54113 US
167.82.134.0/23 512
0.0%
AS54113 US
167.82.138.0/23 512
0.0%
AS54113 US Minnesota Minneapolis
167.82.142.0/23 512
0.0%
AS54113 US Washington Seattle
167.82.166.0/23 512
0.0%
AS54113 US
167.82.168.0/23 512
0.0%
AS54113 US Illinois Chicago
167.82.224.0/23 512
0.0%
AS54113 US Virginia Ashburn
167.82.232.0/23 512
0.0%
AS54113 US Michigan Detroit
199.27.74.0/23 512
0.0%
AS54113 US Washington Seattle
199.27.76.0/23 512
0.0%
AS54113 US
23.154.64.0/24 256
0.0%
AS54113 US
23.185.0.0/24 256
0.0%
AS54113 US
23.235.35.0/24 256
0.0%
AS54113 US
23.235.40.0/24 256
0.0%
AS54113 US New York New York
63.245.222.0/24 256
99.2%
AS54113 US New Jersey Newark
64.251.201.0/24 256
0.0%
AS54113 AU
66.43.1.0/24 256
0.0%
AS54113 US
66.211.168.0/24 256
0.0%
AS54113 US
103.245.222.0/24 256
0.0%
AS54113 AU
104.156.89.0/24 256
0.0%
AS54113 US
104.156.94.0/24 256
0.0%
AS54113 US
104.244.43.0/24 256
0.0%
AS54113 US
140.248.65.0/24 256
0.0%
AS54113 US
140.248.77.0/24 256
0.0%
AS54113 US Illinois Chicago
140.248.80.0/24 256
0.0%
AS54113 US Missouri Kansas City
140.248.97.0/24 256
0.0%
AS54113 US
140.248.98.0/24 256
0.0%
AS54113 US
140.248.110.0/24 256
0.0%
AS54113 US
140.248.112.0/24 256
0.0%
AS54113 US Florida Bonita Springs
140.248.115.0/24 256
0.0%
AS54113 US California Santa Clara
140.248.117.0/24 256
0.0%
AS54113 US
157.52.71.0/24 256
0.0%
AS54113 US
157.52.81.0/24 256
0.0%
AS54113 US
157.52.83.0/24 256
0.0%
AS54113 US
157.52.87.0/24 256
0.0%
AS54113 US Washington Tukwila
157.52.92.0/24 256
0.0%
AS54113 US
157.52.95.0/24 256
0.0%
AS54113 US
157.52.103.0/24 256
0.0%
AS54113 US
157.52.106.0/24 256
0.0%
AS54113 US
157.52.109.0/24 256
0.0%
AS54113 US
157.52.112.0/24 256
0.0%
AS54113 US Texas Dallas
157.52.114.0/24 256
0.0%
AS54113 US Georgia Atlanta
157.52.121.0/24 256
0.0%
AS54113 US
157.52.126.0/24 256
0.0%
AS54113 US
159.242.243.0/24 256
0.0%
AS54113 US
162.247.243.0/24 256
0.0%
AS54113 US
167.82.133.0/24 256
0.0%
AS54113 US
167.82.135.0/24 256
0.0%
AS54113 US

Frequently Asked Questions

How many IP addresses does Fastly, Inc. own?

Fastly, Inc. controls 354.3K IPv4 addresses distributed across 113 CIDR ranges. The organization is registered in United States.

What ASNs does Fastly, Inc. operate?

Fastly, Inc. operates 1 Autonomous System. Each ASN represents an independently routed network that Fastly, Inc. manages for internet traffic delivery.

What countries does Fastly, Inc. serve?

Fastly, Inc. has IP address allocations in 29 countries, indicating a multinational network presence for delivering services across these regions.

What type of organization is Fastly, Inc.?

Fastly, Inc. is categorized as cdn. This classification is based on the organization's primary use of its IP address allocations.

Last updated: 2026-07-18 14:40:31 UTC
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