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ASN REPORT — AS54113 · Fastly, Inc.

First sighted: July 26, 2023, 3 a.m. · Last sighted: Feb. 19, 2026, 2 a.m.

Risk
4 (low)
Total hits
1747
Total errors
122
Observed IPs
123
Top country
United States
Top city
Zurich
Top region
Zurich

Risk

Model: v1 Computed: 2026-02-27 17:09:49
Risk score
4
Low
Risk gradient
Key drivers are enriched against the published annotator catalog when available; otherwise sensible defaults are used.
Key drivers
Request size anomaly
Requests are unusually large or shaped in a way that suggests abuse or automation.
request_size
Hits 151
Points 67.68
User-Agent anomaly
User-Agent signals look missing, inconsistent, or indicative of non-browser tooling.
ua
Hits 145
Points 20.16
Scan velocity
High request rate and broad endpoint coverage suggest scanning or automated enumeration.
scan_velocity
Hits 12
Points 10.80
Sensitive file probing
Requests target commonly sensitive files, configs, backups, or administrative resources.
sfp
Hits 1
Points 8.80
Automated client behavior
Traffic patterns strongly suggest automation rather than a human-operated browser.
bot
Hits 13
Points 6.50

Traffic

Rollup

Daily activity (hits per day) and basic HTTP rollup counters for this ASN.

Loading activity…
Daily activity (hits per day). Total in window: —.
Traffic rollup
HTTP status classes, URL diversity, and totals.
2xx
1625
3xx
0
4xx
122
5xx
0
Unique URLs
0
Total hits
1747
First seen
July 26, 2023, 3 a.m.
Last seen
Feb. 19, 2026, 2 a.m.

Annotators (All-time)

Heatmap of annotator × severity. Darker cells mean more volume in that band. Tip: switch to Weighted points to see what drives impact (not just noise).

Severity →
Low High
Request size anomaly request_size
Requests are unusually large or shaped in a way that suggests abuse or automation.
hits 151 pts 67.68
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
12 87 25 62.64 Dec. 24, 2024, 5:15 p.m. Dec. 17, 2025, 3:39 p.m. —
14 6 4 5.04 Dec. 17, 2025, 3:39 p.m. Feb. 18, 2026, 8:07 a.m. —
0 58 25 0.00 Dec. 31, 2024, 9:50 a.m. Dec. 17, 2025, 3:39 p.m. —
User-Agent anomaly ua
User-Agent signals look missing, inconsistent, or indicative of non-browser tooling.
hits 145 pts 20.16
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
8 69 50 11.04 July 26, 2023, 12:40 p.m. Sept. 20, 2025, 2:24 a.m. —
6 76 27 9.12 Nov. 22, 2023, 2:57 a.m. Aug. 20, 2025, 4:32 p.m. —
Scan velocity scan_velocity
High request rate and broad endpoint coverage suggest scanning or automated enumeration.
hits 12 pts 10.80
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
10 6 3 10.80 Dec. 2, 2024, 12:42 p.m. May 22, 2025, 2:19 a.m. —
0 6 3 0.00 Dec. 2, 2024, 12:42 p.m. May 22, 2025, 2:19 a.m. —
Sensitive file probing sfp
Requests target commonly sensitive files, configs, backups, or administrative resources.
hits 1 pts 8.80
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
40 1 1 8.80 Nov. 12, 2024, 8:21 a.m. Nov. 12, 2024, 8:21 a.m. —
Automated client behavior bot
Traffic patterns strongly suggest automation rather than a human-operated browser.
hits 13 pts 6.50
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
10 13 6 6.50 Dec. 11, 2024, 3:38 a.m. Sept. 6, 2025, 9:52 a.m. —

HTTP Status Breakdown

Response mix grouped by status class (2xx/3xx/4xx/5xx). Auto-loads a single aggregation and renders a donut.

Loading status mix…
Running one aggregation and rendering the chart.

Geolocation

Live geolocation and map tiles auto-load for this ASN snapshot (peer IPs with coordinates).

Loading map…

SUBNETS HELD BY THIS ISP

Derived from ISP snapshot peers (Option A). Grouped into IPv4 /24 and IPv6 /48 by default.
IPv4
IPv6
Limit
Loading subnets…

Interesting IPs

Top risky peers inside this ASN (latest snapshot). Sorted by risk score, then hits.

146.75.237.25 low
Open report
1 /100
Last seen 2025-01-01 02:00
Hits
182
Errors
17
Country
United States
ASN
AS54113
AS Org
Fastly, Inc.
146.75.203.1 low
Open report
1 /100
Last seen 2025-08-21 03:00
Hits
50
Errors
5
Country
United States
ASN
AS54113
AS Org
Fastly, Inc.
140.248.41.61 low
Open report
1 /100
Last seen 2025-04-17 03:00
Hits
41
Errors
0
Country
Israel
ASN
AS54113
AS Org
Fastly, Inc.
146.75.223.81 low
Open report
0 /100
Last seen 2025-05-22 03:00
Hits
88
Errors
0
Country
United States
ASN
AS54113
AS Org
Fastly, Inc.
140.248.41.65 low
Open report
0 /100
Last seen 2025-04-06 03:00
Hits
75
Errors
11
Country
Israel
ASN
AS54113
AS Org
Fastly, Inc.
146.75.165.18 low
Open report
0 /100
Last seen 2024-12-12 02:00
Hits
74
Errors
16
Country
United States
ASN
AS54113
AS Org
Fastly, Inc.
146.75.190.39 low
Open report
0 /100
Last seen 2024-12-03 02:00
Hits
62
Errors
0
Country
Australia
ASN
AS54113
AS Org
Fastly, Inc.
146.75.252.1 low
Open report
0 /100
Last seen 2025-03-02 02:00
Hits
59
Errors
1
Country
United States
ASN
AS54113
AS Org
Fastly, Inc.
140.248.30.56 low
Open report
0 /100
Last seen 2024-11-07 02:00
Hits
52
Errors
0
Country
United States
ASN
AS54113
AS Org
Fastly, Inc.
146.75.160.28 low
Open report
0 /100
Last seen 2025-05-02 03:00
Hits
46
Errors
0
Country
Indonesia
ASN
AS54113
AS Org
Fastly, Inc.
146.75.146.0 low
Open report
0 /100
Last seen 2025-01-30 02:00
Hits
45
Errors
2
Country
United States
ASN
AS54113
AS Org
Fastly, Inc.
146.75.237.46 low
Open report
0 /100
Last seen 2025-06-01 03:00
Hits
37
Errors
2
Country
United States
ASN
AS54113
AS Org
Fastly, Inc.
140.248.0.1 low
Open report
0 /100
Last seen 2025-05-31 03:00
Hits
34
Errors
0
Country
United States
ASN
AS54113
AS Org
Fastly, Inc.
140.248.41.60 low
Open report
0 /100
Last seen 2025-04-10 03:00
Hits
31
Errors
0
Country
Israel
ASN
AS54113
AS Org
Fastly, Inc.
146.75.154.205 low
Open report
0 /100
Last seen 2025-03-23 02:00
Hits
30
Errors
0
Country
United States
ASN
AS54113
AS Org
Fastly, Inc.
146.75.154.67 low
Open report
0 /100
Last seen 2025-05-26 03:00
Hits
28
Errors
0
Country
United States
ASN
AS54113
AS Org
Fastly, Inc.
146.75.237.85 low
Open report
0 /100
Last seen 2024-11-10 02:00
Hits
25
Errors
2
Country
United States
ASN
AS54113
AS Org
Fastly, Inc.
146.75.237.149 low
Open report
0 /100
Last seen 2025-08-02 03:00
Hits
25
Errors
0
Country
United States
ASN
AS54113
AS Org
Fastly, Inc.
146.75.146.1 low
Open report
0 /100
Last seen 2025-06-26 03:00
Hits
24
Errors
0
Country
United States
ASN
AS54113
AS Org
Fastly, Inc.
146.75.237.84 low
Open report
0 /100
Last seen 2025-05-16 03:00
Hits
23
Errors
0
Country
United States
ASN
AS54113
AS Org
Fastly, Inc.
146.75.237.148 low
Open report
0 /100
Last seen 2025-08-02 03:00
Hits
23
Errors
2
Country
United States
ASN
AS54113
AS Org
Fastly, Inc.
146.75.128.152 low
Open report
0 /100
Last seen 2025-08-01 03:00
Hits
22
Errors
0
Country
United States
ASN
AS54113
AS Org
Fastly, Inc.
146.75.146.79 low
Open report
0 /100
Last seen 2025-02-19 02:00
Hits
22
Errors
0
Country
United States
ASN
AS54113
AS Org
Fastly, Inc.
146.75.129.52 low
Open report
0 /100
Last seen 2025-07-16 03:00
Hits
21
Errors
1
Country
United States
ASN
AS54113
AS Org
Fastly, Inc.
140.248.1.132 low
Open report
0 /100
Last seen 2025-02-08 02:00
Hits
20
Errors
0
Country
United States
ASN
AS54113
AS Org
Fastly, Inc.
146.75.232.0 low
Open report
0 /100
Last seen 2025-07-30 03:00
Hits
20
Errors
3
Country
United States
ASN
AS54113
AS Org
Fastly, Inc.
146.75.198.24 low
Open report
0 /100
Last seen 2025-08-01 03:00
Hits
19
Errors
1
Country
Rwanda
ASN
AS54113
AS Org
Fastly, Inc.
140.248.0.17 low
Open report
0 /100
Last seen 2025-03-02 02:00
Hits
18
Errors
0
Country
United States
ASN
AS54113
AS Org
Fastly, Inc.
140.248.30.0 low
Open report
0 /100
Last seen 2024-10-02 03:00
Hits
18
Errors
2
Country
United States
ASN
AS54113
AS Org
Fastly, Inc.
140.248.30.105 low
Open report
0 /100
Last seen 2025-12-18 02:00
Hits
18
Errors
0
Country
United States
ASN
AS54113
AS Org
Fastly, Inc.
140.248.30.172 low
Open report
0 /100
Last seen 2025-04-24 03:00
Hits
18
Errors
3
Country
United States
ASN
AS54113
AS Org
Fastly, Inc.
146.75.207.16 low
Open report
0 /100
Last seen 2025-04-27 03:00
Hits
18
Errors
0
Country
Canada
ASN
AS54113
AS Org
Fastly, Inc.
140.248.30.192 low
Open report
0 /100
Last seen 2025-02-23 02:00
Hits
17
Errors
1
Country
United States
ASN
AS54113
AS Org
Fastly, Inc.
146.75.146.40 low
Open report
0 /100
Last seen 2025-04-08 03:00
Hits
16
Errors
0
Country
United States
ASN
AS54113
AS Org
Fastly, Inc.
146.75.222.1 low
Open report
0 /100
Last seen 2024-12-22 02:00
Hits
16
Errors
1
Country
United States
ASN
AS54113
AS Org
Fastly, Inc.
146.75.249.202 low
Open report
0 /100
Last seen 2026-02-14 02:00
Hits
16
Errors
1
Country
United States
ASN
AS54113
AS Org
Fastly, Inc.
146.75.136.240 low
Open report
0 /100
Last seen 2025-05-08 03:00
Hits
15
Errors
0
Country
United States
ASN
AS54113
AS Org
Fastly, Inc.
146.75.207.17 low
Open report
0 /100
Last seen 2024-12-25 02:00
Hits
15
Errors
0
Country
Canada
ASN
AS54113
AS Org
Fastly, Inc.
140.248.44.146 low
Open report
0 /100
Last seen 2024-12-18 02:00
Hits
14
Errors
0
Country
United States
ASN
AS54113
AS Org
Fastly, Inc.
146.75.146.175 low
Open report
0 /100
Last seen 2024-10-07 03:00
Hits
14
Errors
2
Country
United States
ASN
AS54113
AS Org
Fastly, Inc.
146.75.198.25 low
Open report
0 /100
Last seen 2025-08-01 03:00
Hits
14
Errors
0
Country
Rwanda
ASN
AS54113
AS Org
Fastly, Inc.
140.248.41.63 low
Open report
0 /100
Last seen 2026-02-16 02:00
Hits
13
Errors
7
Country
Israel
ASN
AS54113
AS Org
Fastly, Inc.
146.75.136.0 low
Open report
0 /100
Last seen 2025-03-07 02:00
Hits
13
Errors
0
Country
United States
ASN
AS54113
AS Org
Fastly, Inc.
140.248.40.40 low
Open report
0 /100
Last seen 2025-03-16 02:00
Hits
12
Errors
0
Country
United Kingdom
ASN
AS54113
AS Org
Fastly, Inc.
146.75.164.1 low
Open report
0 /100
Last seen 2024-09-28 03:00
Hits
12
Errors
1
Country
United States
ASN
AS54113
AS Org
Fastly, Inc.
146.75.164.248 low
Open report
0 /100
Last seen 2024-10-14 03:00
Hits
12
Errors
0
Country
United States
ASN
AS54113
AS Org
Fastly, Inc.
146.75.174.12 low
Open report
0 /100
Last seen 2024-11-25 02:00
Hits
12
Errors
1
Country
United Kingdom
ASN
AS54113
AS Org
Fastly, Inc.
146.75.214.0 low
Open report
0 /100
Last seen 2025-08-01 03:00
Hits
12
Errors
0
Country
India
ASN
AS54113
AS Org
Fastly, Inc.
146.75.146.96 low
Open report
0 /100
Last seen 2024-06-07 03:00
Hits
11
Errors
1
Country
United States
ASN
AS54113
AS Org
Fastly, Inc.
146.75.146.187 low
Open report
0 /100
Last seen 2024-09-23 03:00
Hits
11
Errors
0
Country
United States
ASN
AS54113
AS Org
Fastly, Inc.
146.75.152.219 low
Open report
0 /100
Last seen 2024-12-06 02:00
Hits
11
Errors
0
Country
United States
ASN
AS54113
AS Org
Fastly, Inc.
146.75.186.21 low
Open report
0 /100
Last seen 2025-03-26 02:00
Hits
10
Errors
0
Country
Italy
ASN
AS54113
AS Org
Fastly, Inc.
146.75.236.213 low
Open report
0 /100
Last seen 2025-03-23 02:00
Hits
10
Errors
0
Country
United States
ASN
AS54113
AS Org
Fastly, Inc.
140.248.41.62 low
Open report
0 /100
Last seen 2026-02-06 02:00
Hits
9
Errors
0
Country
Israel
ASN
AS54113
AS Org
Fastly, Inc.
140.248.30.51 low
Open report
0 /100
Last seen 2025-02-03 02:00
Hits
8
Errors
0
Country
United States
ASN
AS54113
AS Org
Fastly, Inc.
146.75.154.0 low
Open report
0 /100
Last seen 2025-05-26 03:00
Hits
8
Errors
0
Country
United States
ASN
AS54113
AS Org
Fastly, Inc.
146.75.174.29 low
Open report
0 /100
Last seen 2025-09-07 03:00
Hits
8
Errors
3
Country
United Kingdom
ASN
AS54113
AS Org
Fastly, Inc.
146.75.192.104 low
Open report
0 /100
Last seen 2024-11-25 02:00
Hits
7
Errors
0
Country
United States
ASN
AS54113
AS Org
Fastly, Inc.
140.248.1.133 low
Open report
0 /100
Last seen 2025-02-08 02:00
Hits
6
Errors
0
Country
United States
ASN
AS54113
AS Org
Fastly, Inc.
140.248.40.33 low
Open report
0 /100
Last seen 2025-04-30 03:00
Hits
6
Errors
2
Country
United Kingdom
ASN
AS54113
AS Org
Fastly, Inc.
140.248.44.82 low
Open report
0 /100
Last seen 2025-03-16 02:00
Hits
6
Errors
0
Country
Peru
ASN
AS54113
AS Org
Fastly, Inc.
146.75.162.0 low
Open report
0 /100
Last seen 2024-12-11 02:00
Hits
6
Errors
0
Country
United Arab Emirates
ASN
AS54113
AS Org
Fastly, Inc.
146.75.174.28 low
Open report
0 /100
Last seen 2025-05-12 03:00
Hits
6
Errors
2
Country
United Kingdom
ASN
AS54113
AS Org
Fastly, Inc.
146.75.152.1 low
Open report
0 /100
Last seen 2025-01-24 02:00
Hits
5
Errors
2
Country
United States
ASN
AS54113
AS Org
Fastly, Inc.
146.75.186.20 low
Open report
0 /100
Last seen 2025-03-26 02:00
Hits
5
Errors
0
Country
Italy
ASN
AS54113
AS Org
Fastly, Inc.
146.75.214.1 low
Open report
0 /100
Last seen 2025-08-01 03:00
Hits
5
Errors
0
Country
India
ASN
AS54113
AS Org
Fastly, Inc.
146.75.222.0 low
Open report
0 /100
Last seen 2025-05-29 03:00
Hits
5
Errors
0
Country
United States
ASN
AS54113
AS Org
Fastly, Inc.
146.75.222.30 low
Open report
0 /100
Last seen 2025-03-14 02:00
Hits
5
Errors
4
Country
United States
ASN
AS54113
AS Org
Fastly, Inc.
146.75.248.0 low
Open report
0 /100
Last seen 2026-02-14 02:00
Hits
5
Errors
0
Country
United States
ASN
AS54113
AS Org
Fastly, Inc.
140.248.0.0 low
Open report
0 /100
Last seen 2025-05-30 03:00
Hits
4
Errors
0
Country
United States
ASN
AS54113
AS Org
Fastly, Inc.
140.248.33.11 low
Open report
0 /100
Last seen 2025-09-20 03:00
Hits
4
Errors
3
Country
Japan
ASN
AS54113
AS Org
Fastly, Inc.
146.75.146.15 low
Open report
0 /100
Last seen 2025-08-02 03:00
Hits
4
Errors
4
Country
Maldives
ASN
AS54113
AS Org
Fastly, Inc.
146.75.154.146 low
Open report
0 /100
Last seen 2024-11-28 02:00
Hits
4
Errors
2
Country
United States
ASN
AS54113
AS Org
Fastly, Inc.
146.75.236.0 low
Open report
0 /100
Last seen 2026-02-19 02:00
Hits
4
Errors
0
Country
United States
ASN
AS54113
AS Org
Fastly, Inc.
140.248.10.3 low
Open report
0 /100
Last seen 2025-08-23 03:00
Hits
3
Errors
1
Country
United States
ASN
AS54113
AS Org
Fastly, Inc.