Autonomous System
AS205090 FIRST SERVER LIMITED
HostingActiveUnited KingdomRIPE
AS205090 (FIRST-SERVER-EUROPE) is a hosting network operated by FIRST SERVER LIMITED in United Kingdom, registered with RIPE. It has 65 IPv4 prefixes with 16,640 addresses and 4 IPv6 prefixes, which makes it the 7,694th largest of 82,200 active autonomous systems by IPv4 space.
IPv4 addresses16,640in 65 prefixes
IPv6 prefixes4≈ 7.9 × 10²⁸ addresses
Size rank#7,694of 82,200 active ASNs
Details
OrganizationFIRST SERVER LIMITED
AS nameFIRST-SERVER-EUROPE
Websitefirstbyte.pro
Country United Kingdom (GB)
Network typeHosting
RegistryRIPE
Abuse contactaudit@first-server.net
Registered2017-11-09
Last updated2025-05-01
IPv4 prefixes
65 prefixes · 16,640 addresses| Network | Addresses | First – last address |
|---|---|---|
| 45.9.73.0/24 | 256 | 45.9.73.0 – 45.9.73.255 |
| 45.9.75.0/24 | 256 | 45.9.75.0 – 45.9.75.255 |
| 45.89.65.0/24 | 256 | 45.89.65.0 – 45.89.65.255 |
| 45.90.216.0/24 | 256 | 45.90.216.0 – 45.90.216.255 |
| 45.90.217.0/24 | 256 | 45.90.217.0 – 45.90.217.255 |
| 45.90.218.0/24 | 256 | 45.90.218.0 – 45.90.218.255 |
| 45.90.219.0/24 | 256 | 45.90.219.0 – 45.90.219.255 |
| 45.95.202.0/24 | 256 | 45.95.202.0 – 45.95.202.255 |
| 45.95.203.0/24 | 256 | 45.95.203.0 – 45.95.203.255 |
| 45.132.255.0/24 | 256 | 45.132.255.0 – 45.132.255.255 |
| 45.142.122.0/24 | 256 | 45.142.122.0 – 45.142.122.255 |
| 84.252.73.0/24 | 256 | 84.252.73.0 – 84.252.73.255 |
| 84.252.74.0/24 | 256 | 84.252.74.0 – 84.252.74.255 |
| 84.252.75.0/24 | 256 | 84.252.75.0 – 84.252.75.255 |
| 85.209.2.0/24 | 256 | 85.209.2.0 – 85.209.2.255 |
| 89.44.86.0/24 | 256 | 89.44.86.0 – 89.44.86.255 |
| 89.44.87.0/24 | 256 | 89.44.87.0 – 89.44.87.255 |
| 91.200.12.0/24 | 256 | 91.200.12.0 – 91.200.12.255 |
| 91.200.13.0/24 | 256 | 91.200.13.0 – 91.200.13.255 |
| 95.81.121.0/24 | 256 | 95.81.121.0 – 95.81.121.255 |
| 95.81.122.0/24 | 256 | 95.81.122.0 – 95.81.122.255 |
| 103.71.20.0/24 | 256 | 103.71.20.0 – 103.71.20.255 |
| 103.71.21.0/24 | 256 | 103.71.21.0 – 103.71.21.255 |
| 104.128.130.0/24 | 256 | 104.128.130.0 – 104.128.130.255 |
| 104.128.133.0/24 | 256 | 104.128.133.0 – 104.128.133.255 |
45.9.73.0/24 45.9.75.0/24 45.89.65.0/24 45.90.216.0/24 45.90.217.0/24 45.90.218.0/24 45.90.219.0/24 45.95.202.0/24 45.95.203.0/24 45.132.255.0/24 45.142.122.0/24 84.252.73.0/24 84.252.74.0/24 84.252.75.0/24 85.209.2.0/24 89.44.86.0/24 89.44.87.0/24 91.200.12.0/24 91.200.13.0/24 95.81.121.0/24 95.81.122.0/24 103.71.20.0/24 103.71.21.0/24 104.128.130.0/24 104.128.133.0/24
The 25 largest of 65. The API and the database have all of them.
IPv6 prefixes
4 prefixes- 2a09:5302::/32
- 2a09:5302:ffff::/48
- 2a0c:5d00:3013::/48
- 2a0c:5d04:ffff::/48
2a09:5302::/32 2a09:5302:ffff::/48 2a0c:5d00:3013::/48 2a0c:5d04:ffff::/48
Query AS205090 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=AS205090&key=YOUR_API_KEY"Any address in its prefixes resolves to AS205090, with or without a key:
curl "https://api.ipapi.is/?q=45.9.73.1"Other networks of FIRST SERVER LIMITED
AS200740 FIRST SERVER LIMITED26,880 IPv4 addressesAS204997 FIRST SERVER LIMITED16,384 IPv4 addressesAS204339 FIRST SERVER LIMITED13,056 IPv4 addresses