Autonomous System

AS54113

Fastly, Inc.

Fastly, Inc. United States 🌐 fastly.com

Announced IPs

365,312

CIDR prefixes

133

ASN

AS54113

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 v1.2.0 — 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

Official website ↗ Summary from Wikipedia, CC BY-SA 4.0 · Data from Wikidata

Network profile

Source: PeeringDB →

Network type Content

Traffic level 100+Tbps

Geographic scope Global

Traffic ratio Heavy Outbound

Peering policy Selective

IRR record AS54113:AS-FASTLY

Present at 152 internet exchanges: BIX.BG: Main, Equinix Melbourne, IX.br (PTT.br) São Paulo: ATM/MPLA, MegaIX Melbourne: MegaIX, MegaIX Sydney: MegaIX, Equinix Sydney, Equinix Ashburn, Equinix Chicago, Equinix Dallas, Equinix Los Angeles, …

Website ↗

AS54113 — global IP footprint

Cities where AS54113 has measurable IPv4 allocation. Click any dot to open that city's page. Size and color scale with IP count.

View on 3D globe →

Top CIDR ranges

CIDR	IPs	PTR Density	Organization	Country	State	City
146.75.0.0/16	65.5K	0.0%	Fastly, Inc.	US	Virginia	Ashburn
151.101.0.0/16	65.5K	0.0%	Fastly, Inc.	US	Florida	Jacksonville
199.232.0.0/16	65.5K	0.0%	Fastly, Inc.	US	—	—
140.248.128.0/17	32.8K	0.0%	Fastly, Inc.	US	—	—
167.82.0.0/17	32.8K	0.0%	Fastly, Inc.	US	—	—
140.248.0.0/18	16.4K	0.0%	Fastly, Inc.	US	District of Columbia	Washington
172.111.64.0/18	16.4K	0.0%	Fastly, Inc.	US	—	—
199.232.192.0/18	16.4K	0.0%	Fastly, Inc.	US	—	—
87.81.224.0/19	8.2K	0.0%	Fastly, Inc.	GB	England	Canary Wharf
140.248.176.0/20	4.1K	0.0%	Fastly, Inc.	US	—	—
140.248.192.0/20	4.1K	0.0%	Fastly, Inc.	US	—	—
151.101.32.0/20	4.1K	0.0%	Fastly, Inc.	US	New York	New York
157.52.64.0/20	4.1K	0.0%	Fastly, Inc.	US	—	—
199.232.64.0/20	4.1K	0.0%	Fastly, Inc.	US	Colorado	Denver
45.58.232.0/21	2.0K	0.0%	Comcast Cable Communications, LLC	US	—	—
87.81.232.0/21	2.0K	0.0%	Fastly, Inc.	US	Georgia	Atlanta
104.156.80.0/21	2.0K	0.0%	Fastly, Inc.	US	—	—
140.248.112.0/21	2.0K	0.0%	Fastly, Inc.	US	Florida	Bonita Springs
140.248.144.0/21	2.0K	0.0%	Fastly, Inc.	US	Illinois	Chicago
140.248.152.0/21	2.0K	0.0%	Fastly, Inc.	CA	British Columbia	Vancouver
140.248.160.0/21	2.0K	0.0%	Fastly, Inc.	US	—	—
146.75.32.0/21	2.0K	0.0%	Fastly, Inc.	US	Virginia	Ashburn
146.75.80.0/21	2.0K	0.0%	Fastly, Inc.	US	Illinois	Chicago
151.101.16.0/21	2.0K	0.0%	Fastly, Inc.	US	Georgia	Atlanta
151.101.48.0/21	2.0K	0.0%	Fastly, Inc.	US	California	San Jose
151.101.64.0/21	2.0K	0.0%	Fastly, Inc.	US	—	—
151.101.96.0/21	2.0K	0.0%	Fastly, Inc.	US	—	—
151.101.112.0/21	2.0K	0.0%	Fastly, Inc.	US	Texas	Dallas
151.101.144.0/21	2.0K	0.0%	Fastly, Inc.	US	Ohio	Columbus
151.101.192.0/21	2.0K	0.0%	Fastly, Inc.	US	California	Los Angeles
157.52.72.0/21	2.0K	0.0%	Fastly, Inc.	US	—	—
172.111.104.0/21	2.0K	0.0%	Fastly, Inc.	US	—	—
199.232.88.0/21	2.0K	0.0%	Fastly, Inc.	US	New Jersey	Newark
199.232.128.0/21	2.0K	0.0%	Fastly, Inc.	US	Virginia	Ashburn
23.235.36.0/22	1.0K	0.0%	Fastly, Inc.	US	California	San Jose
23.235.44.0/22	1.0K	0.0%	Fastly, Inc.	US	—	—
43.249.72.0/22	1.0K	0.0%	Fastly, Inc.	NZ	—	—
45.58.212.0/22	1.0K	0.0%	Comcast Cable Communications, LLC	US	—	—
45.58.240.0/22	1.0K	0.0%	Comcast Cable Communications, LLC	US	—	—
63.245.216.0/22	1.0K	98.2%	Fastly, Inc.	US	—	—
87.81.228.0/22	1.0K	0.0%	Fastly, Inc.	US	California	San Jose
87.81.240.0/22	1.0K	0.0%	Fastly, Inc.	US	Virginia	Ashburn
87.81.252.0/22	1.0K	0.0%	Fastly, Inc.	GB	England	City of London
104.156.84.0/22	1.0K	0.0%	Fastly, Inc.	US	Illinois	Chicago
104.156.92.0/22	1.0K	0.0%	Fastly, Inc.	US	—	—
140.248.52.0/22	1.0K	0.0%	Fastly, Inc.	US	California	La Crescenta
140.248.68.0/22	1.0K	0.0%	Fastly, Inc.	US	Texas	Dallas
140.248.72.0/22	1.0K	0.0%	Fastly, Inc.	US	—	—
140.248.84.0/22	1.0K	0.0%	Fastly, Inc.	US	—	—
140.248.88.0/22	1.0K	0.0%	Fastly, Inc.	US	California	Palo Alto
140.248.104.0/22	1.0K	0.0%	Fastly, Inc.	US	—	—
140.248.112.0/22	1.0K	0.0%	Fastly, Inc.	US	Florida	Bonita Springs
140.248.120.0/22	1.0K	0.0%	Fastly, Inc.	US	Florida	Pompano Beach
140.248.128.0/22	1.0K	0.0%	Fastly, Inc.	SG	—	—
140.248.132.0/22	1.0K	0.0%	Fastly, Inc.	GB	England	City of London
140.248.136.0/22	1.0K	0.0%	Fastly, Inc.	NL	North Holland	Amsterdam
140.248.140.0/22	1.0K	0.0%	Fastly, Inc.	DE	North Rhine-Westphalia	Düsseldorf
140.248.168.0/22	1.0K	0.0%	Fastly, Inc.	ZA	Gauteng	Johannesburg
140.248.172.0/22	1.0K	0.0%	Fastly, Inc.	US	Texas	McAllen
146.75.0.0/22	1.0K	0.0%	Fastly, Inc.	BG	Sofia-Capital	Sofia
146.75.4.0/22	1.0K	0.0%	Fastly, Inc.	BR	Ceará	Fortaleza
146.75.8.0/22	1.0K	0.0%	Fastly, Inc.	US	Michigan	Detroit
146.75.12.0/22	1.0K	0.0%	Fastly, Inc.	NZ	Canterbury	Christchurch
146.75.16.0/22	1.0K	0.0%	Fastly, Inc.	GH	Greater Accra Region	Accra
146.75.20.0/22	1.0K	0.0%	Fastly, Inc.	PH	Metro Manila	Manila
146.75.24.0/22	1.0K	0.0%	Fastly, Inc.	MY	Kuala Lumpur	Kuala Lumpur
146.75.28.0/22	1.0K	0.0%	Fastly, Inc.	US	Virginia	Ashburn
146.75.40.0/22	1.0K	0.0%	Fastly, Inc.	US	Washington	Seattle
146.75.44.0/22	1.0K	0.0%	Fastly, Inc.	SG	—	—
146.75.48.0/22	1.0K	0.0%	Fastly, Inc.	KR	Seoul	Seoul
146.75.52.0/22	1.0K	0.0%	Fastly, Inc.	IT	Lombardy	Milan
146.75.56.0/22	1.0K	0.0%	Fastly, Inc.	US	—	—
146.75.60.0/22	1.0K	0.0%	Fastly, Inc.	IT	Lazio	Rome
146.75.64.0/22	1.0K	0.0%	Fastly, Inc.	AE	Dubai	Dubai
146.75.68.0/22	1.0K	0.0%	Fastly, Inc.	AU	Western Australia	Perth
146.75.72.0/22	1.0K	0.0%	Fastly, Inc.	GB	England	City of London
146.75.76.0/22	1.0K	0.0%	Fastly, Inc.	US	Illinois	Chicago
146.75.88.0/22	1.0K	0.0%	Fastly, Inc.	PT	Lisbon	Lisbon
146.75.92.0/22	1.0K	0.0%	Fastly, Inc.	US	California	Los Angeles
146.75.96.0/22	1.0K	0.0%	Fastly, Inc.	US	Hawaii	Honolulu
146.75.100.0/22	1.0K	0.0%	Fastly, Inc.	AU	South Australia	Adelaide
146.75.104.0/22	1.0K	0.0%	Fastly, Inc.	US	Texas	Dallas
146.75.108.0/22	1.0K	0.0%	Fastly, Inc.	CA	Alberta	Calgary
146.75.112.0/22	1.0K	0.0%	Fastly, Inc.	JP	Tokyo	Tokyo
146.75.116.0/22	1.0K	0.0%	Fastly, Inc.	DE	Hesse	Frankfurt am Main
146.75.120.0/22	1.0K	0.0%	Fastly, Inc.	DE	Hesse	Frankfurt am Main
146.75.124.0/22	1.0K	0.0%	Fastly, Inc.	US	Florida	Miami
146.75.140.0/22	1.0K	0.0%	Fastly, Inc.	US	Ohio	Dayton
146.75.156.0/22	1.0K	0.0%	Fastly, Inc.	US	California	Oakland
146.75.228.0/22	1.0K	0.0%	Fastly, Inc.	US	Georgia	Atlanta
146.75.240.0/22	1.0K	0.0%	Fastly, Inc.	US	New York	Cornwall-on-Hudson
149.143.184.0/22	1.0K	0.0%	Comcast Cable Communications, LLC	US	Massachusetts	Dorchester
151.101.0.0/22	1.0K	0.0%	Fastly, Inc.	US	—	—
151.101.4.0/22	1.0K	0.0%	Fastly, Inc.	DE	State of Berlin	Berlin
151.101.8.0/22	1.0K	0.0%	Fastly, Inc.	BE	Brussels Capital	Brussels
151.101.12.0/22	1.0K	0.0%	Fastly, Inc.	US	Georgia	Atlanta
151.101.24.0/22	1.0K	0.0%	Fastly, Inc.	US	—	—
151.101.28.0/22	1.0K	0.0%	Fastly, Inc.	AU	New South Wales	Sydney
151.101.56.0/22	1.0K	0.0%	Fastly, Inc.	US	—	—
151.101.60.0/22	1.0K	0.0%	Fastly, Inc.	GB	England	City of London

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS54113 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

Prefix	Announcement samples	Last seen
146.75.68.0/22	135,750	2026-09-10 09:17:53
157.52.91.0/24	132,706	2026-09-10 09:18:27
23.235.46.0/24	110,925	2026-09-10 09:12:56
172.111.112.0/23	87,844	2026-09-10 09:19:00
140.248.39.0/24	83,740	2026-09-10 09:17:41
157.52.111.0/24	82,879	2026-09-10 09:18:27
104.156.94.0/24	76,453	2026-09-10 09:15:36
167.82.160.0/24	64,051	2026-09-10 09:16:12
146.75.205.0/24	63,722	2026-09-10 09:16:12
157.52.126.0/24	61,701	2026-09-10 09:14:30
157.52.80.0/24	55,807	2026-09-10 09:14:30
172.111.116.0/24	54,841	2026-09-10 09:15:07
151.101.104.0/22	53,340	2026-09-10 09:14:16
199.232.120.0/22	51,757	2026-09-10 09:17:00
146.75.4.0/22	51,143	2026-09-10 09:14:07
157.52.101.0/24	48,898	2026-09-10 09:14:31
157.52.99.0/24	47,424	2026-09-10 09:18:27
140.248.152.0/22	44,935	2026-09-10 09:14:02
45.58.238.0/24	43,287	2026-09-10 09:12:56
146.75.211.0/24	41,916	2026-09-10 09:17:53
146.75.191.0/24	41,840	2026-09-10 09:14:08
199.232.48.0/22	41,645	2026-09-10 09:12:56
157.52.116.0/24	40,204	2026-09-10 09:18:27
146.75.20.0/22	40,011	2026-09-10 09:17:53
45.58.232.0/21	39,687	2026-09-10 09:19:44
167.82.44.0/22	38,867	2026-09-10 09:14:49
140.248.56.0/21	38,855	2026-09-10 09:14:02
140.248.192.0/18	38,826	2026-09-10 09:14:02
172.111.64.0/18	38,805	2026-09-10 09:15:07
146.75.128.0/17	38,691	2026-09-10 09:14:08
140.248.0.0/18	38,686	2026-09-10 09:14:02
140.248.60.0/24	37,577	2026-09-10 09:19:44
146.75.162.0/23	37,541	2026-09-10 09:19:44
199.232.156.0/22	37,243	2026-09-10 09:06:28
185.31.19.0/24	37,216	2026-09-10 09:15:45
167.82.235.0/24	36,842	2026-09-10 09:14:49
140.248.16.0/24	36,562	2026-09-10 09:14:02
149.143.185.0/24	35,250	2026-09-10 09:18:03
172.111.117.0/24	35,148	2026-09-10 09:15:07
167.82.56.0/22	35,020	2026-09-10 09:14:49
167.82.228.0/24	34,804	2026-09-10 09:19:43
157.52.78.0/24	34,803	2026-09-10 09:19:43
157.52.79.0/24	34,789	2026-09-10 09:19:43
167.82.229.0/24	34,783	2026-09-10 09:19:43
167.82.60.0/22	34,525	2026-09-10 09:14:49
87.81.224.0/19	34,384	2026-09-10 09:12:21
167.82.133.0/24	33,983	2026-09-10 09:19:44
140.248.136.0/22	33,965	2026-09-10 09:19:44
151.101.92.0/22	33,665	2026-09-10 09:14:16
45.58.240.0/22	33,663	2026-09-10 09:10:21

Showing top 50 of 632 announced prefixes by sample volume.

Frequently Asked Questions

What is AS54113?

AS54113 is an Autonomous System Number assigned to Fastly, 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 AS54113 announce?

AS54113 announces 365.3K IPv4 addresses distributed across 133 routed CIDR prefixes. The network is registered in United States.

Who operates AS54113?

AS54113 is operated by Fastly, Inc.. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.

What country is AS54113 registered in?

AS54113 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: 2026-09-10 10:54:06 UTC