Autonomous System
AS6661 POST Luxembourg
ISPActiveLuxembourgRIPE
AS6661 (EPT-LU) is an ISP network operated by POST Luxembourg in Luxembourg, registered with RIPE. It has 18 IPv4 prefixes with 220,160 addresses and 2 IPv6 prefixes, which makes it the 1,203rd largest of 82,200 active autonomous systems by IPv4 space.
IPv4 addresses220,160in 18 prefixes
IPv6 prefixes2≈ 1.6 × 10²⁹ addresses
Size rank#1,203of 82,200 active ASNs
Details
OrganizationPOST Luxembourg
AS nameEPT-LU
Websitepost.lu
Country Luxembourg (LU)
Network typeISP
RegistryRIPE
Abuse contactabuse@post.lu
Registered2002-01-24
Last updated2026-08-24
IPv4 prefixes
18 prefixes · 220,160 addresses| Network | Addresses | First – last address |
|---|---|---|
| 83.99.0.0/17 | 32,768 | 83.99.0.0 – 83.99.127.255 |
| 88.207.128.0/17 | 32,768 | 88.207.128.0 – 88.207.255.255 |
| 107.183.0.0/17 | 32,768 | 107.183.0.0 – 107.183.127.255 |
| 78.141.128.0/18 | 16,384 | 78.141.128.0 – 78.141.191.255 |
| 87.240.192.0/18 | 16,384 | 87.240.192.0 – 87.240.255.255 |
| 146.0.128.0/18 | 16,384 | 146.0.128.0 – 146.0.191.255 |
| 178.254.64.0/18 | 16,384 | 178.254.64.0 – 178.254.127.255 |
| 188.115.0.0/18 | 16,384 | 188.115.0.0 – 188.115.63.255 |
| 194.154.192.0/19 | 8,192 | 194.154.192.0 – 194.154.223.255 |
| 195.46.224.0/19 | 8,192 | 195.46.224.0 – 195.46.255.255 |
| 213.135.224.0/19 | 8,192 | 213.135.224.0 – 213.135.255.255 |
| 213.166.32.0/19 | 8,192 | 213.166.32.0 – 213.166.63.255 |
| 37.157.152.0/21 | 2,048 | 37.157.152.0 – 37.157.159.255 |
| 146.0.216.0/21 | 2,048 | 146.0.216.0 – 146.0.223.255 |
| 146.0.212.0/22 | 1,024 | 146.0.212.0 – 146.0.215.255 |
| 185.104.108.0/22 | 1,024 | 185.104.108.0 – 185.104.111.255 |
| 193.168.10.0/23 | 512 | 193.168.10.0 – 193.168.11.255 |
| 193.168.14.0/23 | 512 | 193.168.14.0 – 193.168.15.255 |
83.99.0.0/17 88.207.128.0/17 107.183.0.0/17 78.141.128.0/18 87.240.192.0/18 146.0.128.0/18 178.254.64.0/18 188.115.0.0/18 194.154.192.0/19 195.46.224.0/19 213.135.224.0/19 213.166.32.0/19 37.157.152.0/21 146.0.216.0/21 146.0.212.0/22 185.104.108.0/22 193.168.10.0/23 193.168.14.0/23
IPv6 prefixes
2 prefixes- 2001:7e8::/32
- 2001:7e9::/32
2001:7e8::/32 2001:7e9::/32
Query AS6661 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=AS6661&key=YOUR_API_KEY"Any address in its prefixes resolves to AS6661, with or without a key:
curl "https://api.ipapi.is/?q=83.99.0.1"