Autonomous System
AS20900 IMS Networks SAS
ISPActiveFranceRIPE
AS20900 (AS-IMSNETORKS) is an ISP network operated by IMS Networks SAS in France, registered with RIPE. It has 29 IPv4 prefixes with 86,272 addresses and 1 IPv6 prefix, which makes it the 2,532nd largest of 82,558 active autonomous systems by IPv4 space.
IPv4 addresses86,272in 29 prefixes
IPv6 prefixes1≈ 7.9 × 10²⁸ addresses
Size rank#2,532of 82,558 active ASNs
Details
OrganizationIMS Networks SAS
AS nameAS-IMSNETORKS
Websiteimsnetworks.com
Country France (FR)
Network typeISP
RegistryRIPE
Abuse contactabuse@imsnetworks.com
Registered1970-01-01
Last updated2024-02-02
IPv4 prefixes
29 prefixes · 86,272 addresses| Network | Addresses | First – last address |
|---|---|---|
| 137.129.0.0/16 | 65,536 | 137.129.0.0 – 137.129.255.255 |
| 213.190.64.0/19 | 8,192 | 213.190.64.0 – 213.190.95.255 |
| 31.217.232.0/21 | 2,048 | 31.217.232.0 – 31.217.239.255 |
| 45.11.208.0/22 | 1,024 | 45.11.208.0 – 45.11.211.255 |
| 78.159.132.0/22 | 1,024 | 78.159.132.0 – 78.159.135.255 |
| 185.182.252.0/22 | 1,024 | 185.182.252.0 – 185.182.255.255 |
| 78.159.132.0/23 | 512 | 78.159.132.0 – 78.159.133.255 |
| 78.159.134.0/23 | 512 | 78.159.134.0 – 78.159.135.255 |
| 91.214.114.0/23 | 512 | 91.214.114.0 – 91.214.115.255 |
| 137.129.232.0/23 | 512 | 137.129.232.0 – 137.129.233.255 |
| 137.129.234.0/23 | 512 | 137.129.234.0 – 137.129.235.255 |
| 137.129.236.0/23 | 512 | 137.129.236.0 – 137.129.237.255 |
| 31.217.233.0/24 | 256 | 31.217.233.0 – 31.217.233.255 |
| 91.231.175.0/24 | 256 | 91.231.175.0 – 91.231.175.255 |
| 137.129.9.0/24 | 256 | 137.129.9.0 – 137.129.9.255 |
| 137.129.15.0/24 | 256 | 137.129.15.0 – 137.129.15.255 |
| 137.129.43.0/24 | 256 | 137.129.43.0 – 137.129.43.255 |
| 137.129.63.0/24 | 256 | 137.129.63.0 – 137.129.63.255 |
| 176.111.246.0/24 | 256 | 176.111.246.0 – 176.111.246.255 |
| 185.182.252.0/24 | 256 | 185.182.252.0 – 185.182.252.255 |
| 194.4.7.0/24 | 256 | 194.4.7.0 – 194.4.7.255 |
| 194.4.10.0/24 | 256 | 194.4.10.0 – 194.4.10.255 |
| 194.4.12.0/24 | 256 | 194.4.12.0 – 194.4.12.255 |
| 194.4.13.0/24 | 256 | 194.4.13.0 – 194.4.13.255 |
| 213.190.64.0/24 | 256 | 213.190.64.0 – 213.190.64.255 |
137.129.0.0/16 213.190.64.0/19 31.217.232.0/21 45.11.208.0/22 78.159.132.0/22 185.182.252.0/22 78.159.132.0/23 78.159.134.0/23 91.214.114.0/23 137.129.232.0/23 137.129.234.0/23 137.129.236.0/23 31.217.233.0/24 91.231.175.0/24 137.129.9.0/24 137.129.15.0/24 137.129.43.0/24 137.129.63.0/24 176.111.246.0/24 185.182.252.0/24 194.4.7.0/24 194.4.10.0/24 194.4.12.0/24 194.4.13.0/24 213.190.64.0/24
The 25 largest of 29. The API and the database have all of them.
IPv6 prefixes
1 prefix- 2001:1b08::/32
2001:1b08::/32
Query AS20900 with the API
The ASN lookup returns everything on this page as JSON, including every prefix. ASN lookups need an API key: a free account comes with 1,000 requests a day.
curl "https://api.ipapi.is/?q=AS20900&key=YOUR_API_KEY"Any address in its prefixes resolves to AS20900, with or without a key:
curl "https://api.ipapi.is/?q=137.129.0.1"