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Autonomous System

AS204273

SPIE ICS

Announced IPs
75,520
CIDR prefixes
12
ASN
AS204273

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.

65/100
Moderate
How this score is built

Experimental · trust-vectors model v1.3.0 — a transparent heuristic, not a definitive verdict. How it works →

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
147.98.128.0/17 32.8K
0.0%
SPIE ICS FR — —
147.98.64.0/18 16.4K
0.0%
SPIE ICS FR — —
147.98.0.0/19 8.2K
2.1%
SPIE ICS FR Île-de-France Asnières-sur-Seine
91.151.48.0/20 4.1K
98.5%
SPIE ICS FR Île-de-France Paris
147.98.48.0/20 4.1K
0.0%
SPIE ICS FR — —
217.195.16.0/20 4.1K
91.7%
SPIE ICS FR Île-de-France Paris
147.98.40.0/21 2.0K
0.0%
SPIE ICS FR — —
147.98.36.0/22 1.0K
0.0%
SPIE ICS FR — —
185.52.124.0/22 1.0K
5.2%
SPIE ICS FR — —
185.178.76.0/22 1.0K
0.0%
SPIE ICS FR — —
37.18.42.0/23 512
3.5%
SPIE ICS FR — —
188.72.92.0/24 256
0.0%
SPIE ICS NL — —

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS204273 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
147.98.128.0/17 44,883 2026-11-13 20:44:40
147.98.48.0/20 44,851 2026-11-13 20:44:40
147.98.0.0/19 44,668 2026-11-13 20:44:40
147.98.40.0/21 44,634 2026-11-13 20:44:40
147.98.36.0/22 44,583 2026-11-13 20:44:40
147.98.64.0/18 44,581 2026-11-13 20:44:40
185.52.127.0/24 36,625 2026-11-13 20:44:40
37.18.43.0/24 35,974 2026-11-13 20:44:40
37.18.42.0/24 35,922 2026-11-13 20:44:40
91.151.48.0/20 35,878 2026-11-13 20:44:40
185.52.124.0/23 32,873 2026-11-13 20:44:40
185.52.126.0/24 32,847 2026-11-13 20:44:40
217.195.16.0/24 32,471 2026-11-13 20:44:10
217.195.16.0/20 29,800 2026-11-13 20:44:40
188.72.92.0/24 24,061 2026-11-13 20:33:08
217.195.28.0/24 12,057 2026-11-13 20:44:26
185.178.76.0/22 11,914 2026-11-13 20:44:26

Frequently Asked Questions

What is AS204273?

AS204273 is an Autonomous System Number assigned to SPIE ICS. 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 AS204273 announce?

AS204273 announces 75.5K IPv4 addresses distributed across 12 routed CIDR prefixes. The network is registered in France.

Who operates AS204273?

AS204273 is operated by SPIE ICS. The organization is based in France. You can view all IP ranges and related ASNs on the organization page.

What country is AS204273 registered in?

AS204273 is registered in France. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-11-13 20:54:05 UTC
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