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.
- Baseline (neutral) 65
- Trust score 65 / 100
Experimental · trust-vectors model v1.3.0 — a transparent heuristic, not a definitive verdict. How it works →
Network profile
Source: PeeringDB →Present at 2 internet exchanges: France-IX Paris, Equinix Paris: Equinix IX - PA Metro
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 137.129.0.0/16 | 65.5K |
16.8%
|
IMS Networks SAS | FR | Occitanie | Castelginest |
| 213.190.80.0/20 | 4.1K |
92.9%
|
IMS Networks SAS | FR | Occitanie | Castres |
| 31.217.232.0/21 | 2.0K |
12.4%
|
IMS Networks SAS | FR | Normandy | Valmont |
| 213.190.72.0/21 | 2.0K |
98.9%
|
IMS Networks SAS | FR | Occitanie | Castanet-Tolosan |
| 45.11.208.0/22 | 1.0K |
0.0%
|
IMS Networks SAS | FR | — | — |
| 78.159.132.0/22 | 1.0K |
0.0%
|
IMS Networks SAS | FR | — | — |
| 185.182.252.0/22 | 1.0K |
0.0%
|
IMS Networks SAS | FR | — | — |
| 213.190.64.0/22 | 1.0K |
99.1%
|
IMS Networks SAS | FR | — | — |
| 91.214.114.0/23 | 512 |
0.0%
|
IMS Networks SAS | FR | Occitanie | Castres |
| 194.4.12.0/23 | 512 |
0.0%
|
IMS Networks SAS | FR | — | — |
| 213.190.68.0/23 | 512 |
99.0%
|
IMS Networks SAS | FR | — | — |
| 91.231.175.0/24 | 256 |
99.2%
|
IMS Networks SAS | FR | Île-de-France | Poissy |
| 176.111.246.0/24 | 256 |
0.0%
|
IMS Networks SAS | FR | Île-de-France | Paris |
| 194.4.7.0/24 | 256 |
0.0%
|
IMS Networks SAS | FR | — | — |
| 194.4.10.0/24 | 256 |
0.0%
|
IMS Networks SAS | FR | — | — |
| 213.190.71.0/24 | 256 |
99.2%
|
IMS Networks SAS | FR | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS20900 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 |
|---|---|---|
| 31.217.232.0/21 | 50,754 | 2026-11-13 18:08:19 |
| 137.129.0.0/16 | 50,350 | 2026-11-13 18:08:20 |
| 31.217.233.0/24 | 50,003 | 2026-11-13 18:14:57 |
| 91.231.175.0/24 | 48,120 | 2026-11-13 18:14:30 |
| 91.214.114.0/23 | 47,610 | 2026-11-13 18:08:19 |
| 137.129.63.0/24 | 47,587 | 2026-11-13 18:08:20 |
| 137.129.234.0/23 | 47,058 | 2026-11-13 18:08:20 |
| 137.129.232.0/23 | 47,026 | 2026-11-13 18:08:20 |
| 137.129.9.0/24 | 46,935 | 2026-11-13 18:08:20 |
| 137.129.43.0/24 | 46,911 | 2026-11-13 18:08:20 |
| 137.129.15.0/24 | 46,893 | 2026-11-13 18:08:20 |
| 137.129.236.0/23 | 46,864 | 2026-11-13 18:08:20 |
| 176.111.246.0/24 | 43,834 | 2026-11-13 18:08:23 |
| 185.182.252.0/22 | 43,833 | 2026-11-13 18:08:19 |
| 213.190.64.0/19 | 43,397 | 2026-11-13 18:08:19 |
| 185.182.252.0/24 | 43,307 | 2026-11-13 18:08:19 |
| 213.190.76.0/24 | 42,999 | 2026-11-13 18:08:23 |
| 213.190.64.0/24 | 42,848 | 2026-11-13 18:08:19 |
| 194.4.10.0/24 | 38,856 | 2026-11-13 18:04:05 |
| 194.4.7.0/24 | 37,581 | 2026-11-13 18:08:18 |
| 194.4.13.0/24 | 36,888 | 2026-11-13 18:08:18 |
| 194.4.12.0/24 | 30,821 | 2026-11-13 18:08:18 |
| 213.190.69.0/24 | 30,162 | 2026-11-13 18:08:18 |
| 213.190.88.0/24 | 27,840 | 2026-11-13 18:04:07 |
| 213.190.65.0/24 | 24,369 | 2026-11-13 18:14:57 |
| 78.159.132.0/23 | 20,209 | 2026-11-13 18:08:19 |
| 45.11.208.0/22 | 16,438 | 2026-11-13 18:08:19 |
| 78.159.132.0/22 | 16,141 | 2026-11-13 18:08:19 |
| 78.159.134.0/23 | 15,423 | 2026-11-13 18:08:19 |
Frequently Asked Questions
What is AS20900?
AS20900 is an Autonomous System Number assigned to IMS Networks SAS. 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 AS20900 announce?
AS20900 announces 80.6K IPv4 addresses distributed across 16 routed CIDR prefixes. The network is registered in France.
Who operates AS20900?
AS20900 is operated by IMS Networks SAS. The organization is based in France. You can view all IP ranges and related ASNs on the organization page.
What country is AS20900 registered in?
AS20900 is registered in France. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
