Autonomous System
AS513 CERN - European Organization for Nuclear Research
BusinessActiveSwitzerlandRIPE
AS513 (CERN) is a business network operated by CERN - European Organization for Nuclear Research in Switzerland, registered with RIPE. It has 20 IPv4 prefixes with 354,816 addresses and 2 IPv6 prefixes, which makes it the 836th largest of 82,175 active autonomous systems by IPv4 space.
IPv4 addresses354,816in 20 prefixes
IPv6 prefixes2≈ 1.6 × 10²⁹ addresses
Size rank#836of 82,175 active ASNs
Details
OrganizationCERN - European Organization for Nuclear Research
AS nameCERN
Websitecern.ch
Country Switzerland (CH)
Network typeBusiness
RegistryRIPE
Abuse contactabuse@cern.ch
Registered2001-10-22
Last updated2022-02-17
IPv4 prefixes
20 prefixes · 354,816 addresses| Network | Addresses | First – last address |
|---|---|---|
| 128.141.0.0/16 | 65,536 | 128.141.0.0 – 128.141.255.255 |
| 128.142.0.0/16 | 65,536 | 128.142.0.0 – 128.142.255.255 |
| 137.138.0.0/16 | 65,536 | 137.138.0.0 – 137.138.255.255 |
| 188.184.0.0/16 | 65,536 | 188.184.0.0 – 188.184.255.255 |
| 188.185.0.0/16 | 65,536 | 188.185.0.0 – 188.185.255.255 |
| 194.12.128.0/18 | 16,384 | 194.12.128.0 – 194.12.191.255 |
| 192.65.184.0/21 | 2,048 | 192.65.184.0 – 192.65.191.255 |
| 185.249.56.0/22 | 1,024 | 185.249.56.0 – 185.249.59.255 |
| 192.16.156.0/22 | 1,024 | 192.16.156.0 – 192.16.159.255 |
| 192.16.160.0/22 | 1,024 | 192.16.160.0 – 192.16.163.255 |
| 192.65.192.0/22 | 1,024 | 192.65.192.0 – 192.65.195.255 |
| 192.91.236.0/22 | 1,024 | 192.91.236.0 – 192.91.239.255 |
| 192.91.240.0/22 | 1,024 | 192.91.240.0 – 192.91.243.255 |
| 192.16.164.0/23 | 512 | 192.16.164.0 – 192.16.165.255 |
| 192.65.196.0/23 | 512 | 192.65.196.0 – 192.65.197.255 |
| 192.91.244.0/23 | 512 | 192.91.244.0 – 192.91.245.255 |
| 192.16.155.0/24 | 256 | 192.16.155.0 – 192.16.155.255 |
| 192.16.166.0/24 | 256 | 192.16.166.0 – 192.16.166.255 |
| 192.65.183.0/24 | 256 | 192.65.183.0 – 192.65.183.255 |
| 192.91.246.0/24 | 256 | 192.91.246.0 – 192.91.246.255 |
128.141.0.0/16 128.142.0.0/16 137.138.0.0/16 188.184.0.0/16 188.185.0.0/16 194.12.128.0/18 192.65.184.0/21 185.249.56.0/22 192.16.156.0/22 192.16.160.0/22 192.65.192.0/22 192.91.236.0/22 192.91.240.0/22 192.16.164.0/23 192.65.196.0/23 192.91.244.0/23 192.16.155.0/24 192.16.166.0/24 192.65.183.0/24 192.91.246.0/24
IPv6 prefixes
2 prefixes- 2001:1458::/32
- 2001:1459::/32
2001:1458::/32 2001:1459::/32
Query AS513 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=AS513&key=YOUR_API_KEY"Any address in its prefixes resolves to AS513, with or without a key:
curl "https://api.ipapi.is/?q=128.141.0.1"