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Autonomous System

AS5742

Fidium

Announced IPs
95,744
CIDR prefixes
47
ASN
AS5742

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.

69/100
Moderate
How this score is built

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

Network profile

Source: PeeringDB →
Network type Cable/DSL/ISP
Geographic scope Regional
Traffic ratio Heavy Inbound
Peering policy Selective
IRR record RADB::AS-11401

Present at 1 internet exchange: DE-CIX Chicago

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
70.9.128.0/18 16.4K
0.0%
Fidium US Illinois Effingham
66.116.0.0/19 8.2K
87.2%
Fidium US Illinois Mattoon
135.26.192.0/19 8.2K
0.0%
Fidium US Illinois Charleston
156.47.32.0/19 8.2K
0.0%
Fidium US Illinois Charleston
209.107.224.0/19 8.2K
61.3%
Fidium US Illinois Mattoon
216.176.64.0/19 8.2K
61.2%
Fidium US Illinois Arthur
66.116.32.0/20 4.1K
88.2%
Fidium US Illinois Shelbyville
208.124.96.0/20 4.1K
85.0%
Fidium US Illinois Effingham
66.116.48.0/21 2.0K
88.1%
Fidium US Illinois Effingham
67.58.248.0/21 2.0K
98.7%
Fidium US Illinois Charleston
67.158.184.0/21 2.0K
72.2%
Fidium US Illinois El Paso
72.251.160.0/21 2.0K
98.8%
Fidium US Illinois Mattoon
72.251.184.0/21 2.0K
98.7%
Fidium US Illinois Mattoon
208.124.112.0/21 2.0K
93.3%
Fidium US Illinois Mattoon
209.105.144.0/21 2.0K
56.4%
Fidium US Missouri Kearney
72.251.180.0/22 1.0K
74.6%
Fidium US
74.209.12.0/22 1.0K
77.6%
Fidium US Missouri Garden City
208.68.80.0/22 1.0K
0.0%
Fidium US Illinois Toledo
208.124.120.0/22 1.0K
23.7%
Fidium US Illinois Mattoon
209.105.152.0/22 1.0K
15.2%
Fidium US Missouri Kearney
216.227.36.0/22 1.0K
58.4%
Fidium US Illinois Odin
66.116.58.0/23 512
6.1%
Fidium US
66.116.60.0/23 512
1.2%
Fidium US
66.243.220.0/23 512
53.1%
Fidium US Illinois Oblong
71.181.50.0/23 512
42.6%
Fidium US Missouri Drexel
71.181.52.0/23 512
0.0%
Fidium US Illinois Shobonier
71.181.56.0/23 512
0.0%
Fidium US Illinois Oblong
71.181.60.0/23 512
0.0%
Fidium US Illinois Ransom
72.251.176.0/23 512
98.8%
Fidium US
209.105.136.0/23 512
55.3%
Fidium US
209.105.174.0/23 512
0.0%
Fidium US
209.105.190.0/23 512
59.4%
Fidium US Kansas Allen
216.227.34.0/23 512
53.9%
Fidium US Illinois West Union
66.116.56.0/24 256
87.9%
Fidium US
66.116.62.0/24 256
77.3%
Fidium US Illinois Bethany
69.50.45.0/24 256
78.5%
Fidium US Kansas Americus
72.95.86.0/24 256
80.5%
Fidium US Missouri Peculiar
72.251.178.0/24 256
98.8%
Fidium US
76.76.18.0/24 256
83.6%
Fidium US Illinois Mason
104.152.7.0/24 256
98.4%
Fidium US Illinois Strasburg
174.34.240.0/24 256
89.1%
Fidium US
198.17.66.0/24 256
87.1%
Fidium US Illinois Charleston
209.105.171.0/24 256
0.0%
Fidium US
209.105.179.0/24 256
0.0%
Fidium US Missouri Platte City
209.105.189.0/24 256
55.5%
Fidium US Kansas Louisburg
216.227.85.0/24 256
0.0%
Fidium US
216.227.121.0/24 256
55.9%
Fidium US

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS5742 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
209.105.179.0/24 10,312 2026-07-23 16:41:10
72.251.165.0/24 8,833 2026-07-23 16:48:00
67.158.188.0/24 7,997 2026-07-23 16:41:10
67.158.189.0/24 7,966 2026-07-23 16:41:10
67.158.185.0/24 7,880 2026-07-23 16:41:10
67.158.190.0/24 7,872 2026-07-23 16:41:10
67.158.187.0/24 7,846 2026-07-23 16:41:10
67.158.186.0/24 7,846 2026-07-23 16:41:10
67.158.191.0/24 7,838 2026-07-23 16:41:10
208.68.83.0/24 7,214 2026-07-23 16:48:00
208.68.82.0/24 7,200 2026-07-23 16:48:00
208.68.81.0/24 7,169 2026-07-23 16:48:00
208.68.80.0/24 7,168 2026-07-23 16:48:00
104.152.7.0/24 5,338 2026-07-23 16:41:10
209.105.144.0/22 5,323 2026-07-23 16:41:10
71.181.60.0/24 5,311 2026-07-23 16:41:10
71.181.61.0/24 5,303 2026-07-23 16:41:10
72.95.86.0/24 5,223 2026-07-23 16:41:10
66.243.220.0/24 5,220 2026-07-23 16:41:10
69.50.45.0/24 5,219 2026-07-23 16:41:10
66.243.221.0/24 5,215 2026-07-23 16:41:10
66.116.58.0/23 5,208 2026-07-23 16:41:10
74.209.12.0/22 5,207 2026-07-23 16:41:10
209.107.239.0/24 5,206 2026-07-23 16:41:10
76.76.18.0/24 5,204 2026-07-23 16:41:10
71.181.57.0/24 5,203 2026-07-23 16:41:10
71.181.56.0/24 5,200 2026-07-23 16:41:10
66.116.60.0/23 5,186 2026-07-23 16:41:10
174.34.240.0/24 5,184 2026-07-23 16:41:10
66.116.0.0/19 5,181 2026-07-23 16:41:10
66.116.32.0/20 5,179 2026-07-23 16:41:10
71.181.50.0/23 5,176 2026-07-23 16:41:10
135.26.208.0/20 5,175 2026-07-23 16:41:10
66.116.48.0/21 5,175 2026-07-23 16:41:10
67.158.184.0/24 5,167 2026-07-23 16:41:10
135.26.192.0/20 5,161 2026-07-23 16:41:10
198.17.66.0/24 5,157 2026-07-23 16:41:10
209.105.171.0/24 5,151 2026-07-23 16:41:10
216.227.36.0/24 5,150 2026-07-23 16:41:10
216.227.37.0/24 5,138 2026-07-23 16:41:10
209.105.174.0/23 5,136 2026-07-23 16:41:10
209.105.191.0/24 5,135 2026-07-23 16:41:10
72.251.189.0/24 5,132 2026-07-23 16:41:10
209.105.136.0/23 5,132 2026-07-23 16:41:10
209.105.190.0/24 5,127 2026-07-23 16:41:10
216.227.34.0/24 5,122 2026-07-23 16:41:10
216.227.35.0/24 5,120 2026-07-23 16:41:10
216.227.39.0/24 5,119 2026-07-23 16:41:10
216.227.38.0/24 5,117 2026-07-23 16:41:10
216.227.85.0/24 5,116 2026-07-23 16:41:10

Showing top 50 of 107 announced prefixes by sample volume.

Frequently Asked Questions

What is AS5742?

AS5742 is an Autonomous System Number assigned to Fidium. 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 AS5742 announce?

AS5742 announces 95.7K IPv4 addresses distributed across 47 routed CIDR prefixes. The network is registered in United States.

Who operates AS5742?

AS5742 is operated by Fidium. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.

What country is AS5742 registered in?

AS5742 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: 2026-07-23 16:55:32 UTC
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