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Autonomous System

AS25660

Fidium

Announced IPs
12,800
CIDR prefixes
13
ASN
AS25660

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 v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
206.221.144.0/20 4.1K
44.3%
Fidium US Illinois Champaign
192.241.48.0/21 2.0K
65.9%
Fidium US
204.11.72.0/21 2.0K
96.4%
Fidium US Illinois Urbana
104.193.76.0/22 1.0K
99.5%
Fidium US
192.241.48.0/22 1.0K
75.4%
Fidium US
192.241.56.0/22 1.0K
69.4%
Fidium US
208.92.196.0/22 1.0K
75.5%
Fidium US Illinois Urbana
140.177.16.0/23 512
1.2%
Fidium US Illinois Champaign
192.241.52.0/23 512
77.5%
Fidium US
192.241.60.0/23 512
73.0%
Fidium US
64.198.221.0/24 256
0.0%
Fidium US
192.241.55.0/24 256
70.3%
Fidium US
192.241.63.0/24 256
77.0%
Fidium US

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS25660 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
206.221.152.0/23 29,306 2026-09-14 03:01:11
206.221.154.0/23 29,273 2026-09-14 03:01:11
64.198.221.0/24 9,112 2026-09-14 03:01:11
104.193.78.0/23 8,892 2026-09-14 03:01:11
104.193.76.0/23 8,871 2026-09-14 03:01:11
140.177.16.0/24 8,847 2026-09-14 03:01:11
140.177.17.0/24 8,846 2026-09-14 03:01:11
206.221.156.0/22 8,804 2026-09-14 03:01:11
206.221.144.0/20 8,789 2026-09-14 03:01:11
192.241.60.0/24 8,783 2026-09-14 03:01:11
192.241.61.0/24 8,781 2026-09-14 03:01:11
192.241.63.0/24 8,775 2026-09-14 03:01:11
208.92.196.0/22 8,773 2026-09-14 03:01:11
204.11.72.0/22 8,772 2026-09-14 03:01:11
192.241.56.0/21 8,772 2026-09-14 03:01:11
206.221.144.0/21 8,768 2026-09-14 03:01:11
204.11.72.0/21 8,763 2026-09-14 03:01:11
204.11.72.0/24 8,752 2026-09-14 03:01:11
204.11.76.0/24 8,752 2026-09-14 03:01:11
204.11.76.0/22 8,739 2026-09-14 03:01:11
104.193.76.0/22 8,572 2026-09-14 03:01:08
192.241.48.0/20 8,492 2026-09-14 03:01:08

Frequently Asked Questions

What is AS25660?

AS25660 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 AS25660 announce?

AS25660 announces 12.8K IPv4 addresses distributed across 13 routed CIDR prefixes. The network is registered in United States.

Who operates AS25660?

AS25660 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 AS25660 registered in?

AS25660 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: 2026-09-14 04:24:06 UTC
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