Autonomous System
AS41230 ASK4 Limited
ISPActiveUnited KingdomRIPE
AS41230 (ASK4) is an ISP network operated by ASK4 Limited in United Kingdom, registered with RIPE. It has 14 IPv4 prefixes with 89,344 addresses and 7 IPv6 prefixes, which makes it the 2,493rd largest of 82,200 active autonomous systems by IPv4 space.
IPv4 addresses89,344in 14 prefixes
IPv6 prefixes7≈ 4.4 × 10³⁰ addresses
Size rank#2,493of 82,200 active ASNs
Details
OrganizationASK4 Limited
AS nameASK4
Websiteask4.com
Country United Kingdom (GB)
Network typeISP
RegistryRIPE
Abuse contactabuse@ask4.com
Registered2006-07-05
Last updated2024-03-07
IPv4 prefixes
14 prefixes · 89,344 addresses| Network | Addresses | First – last address |
|---|---|---|
| 31.205.0.0/16 | 65,536 | 31.205.0.0 – 31.205.255.255 |
| 213.143.0.0/19 | 8,192 | 213.143.0.0 – 213.143.31.255 |
| 78.109.176.0/20 | 4,096 | 78.109.176.0 – 78.109.191.255 |
| 81.23.48.0/20 | 4,096 | 81.23.48.0 – 81.23.63.255 |
| 45.81.120.0/22 | 1,024 | 45.81.120.0 – 45.81.123.255 |
| 45.154.248.0/22 | 1,024 | 45.154.248.0 – 45.154.251.255 |
| 185.134.128.0/22 | 1,024 | 185.134.128.0 – 185.134.131.255 |
| 185.134.136.0/22 | 1,024 | 185.134.136.0 – 185.134.139.255 |
| 185.134.144.0/22 | 1,024 | 185.134.144.0 – 185.134.147.255 |
| 185.198.228.0/22 | 1,024 | 185.198.228.0 – 185.198.231.255 |
| 185.134.136.0/23 | 512 | 185.134.136.0 – 185.134.137.255 |
| 176.119.145.0/24 | 256 | 176.119.145.0 – 176.119.145.255 |
| 185.134.138.0/24 | 256 | 185.134.138.0 – 185.134.138.255 |
| 185.134.139.0/24 | 256 | 185.134.139.0 – 185.134.139.255 |
31.205.0.0/16 213.143.0.0/19 78.109.176.0/20 81.23.48.0/20 45.81.120.0/22 45.154.248.0/22 185.134.128.0/22 185.134.136.0/22 185.134.144.0/22 185.198.228.0/22 185.134.136.0/23 176.119.145.0/24 185.134.138.0/24 185.134.139.0/24
IPv6 prefixes
7 prefixes- 2a00:1a10::/29
- 2a07:c300::/29
- 2a0e:2a40::/29
- 2a0e:2ac0::/29
- 2a0e:5680::/29
- 2a0f:dd00::/29
- 2a10:d00::/29
2a00:1a10::/29 2a07:c300::/29 2a0e:2a40::/29 2a0e:2ac0::/29 2a0e:5680::/29 2a0f:dd00::/29 2a10:d00::/29
Query AS41230 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=AS41230&key=YOUR_API_KEY"
Any address in its prefixes resolves to AS41230, with or without a key:
curl "https://api.ipapi.is/?q=31.205.0.1"