AS6661
Post Luxembourg — post.lu
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Summary
| Country |
 Luxembourg
|
| Organization | Post Luxembourg |
| Domain | post.lu |
| Number of IPv4 | 222,720 |
| Number of IPv6 | 1.4261× 1030 |
| AS Type | ISP |
| Registry | RIPE NCC |
| Allocated | January 24, 2002 (about 24 years ago) |
| Updated | October 30, 2025 (about 13 days ago) |
IP Ranges
AS6661 announces 21 IPv4 ranges and 4 IPv6 ranges.
That's a total of 222,720 IPv4 addresses and 1.4261× 1030 IPv6 addresses.
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 37.157.152.0/21 |
Post Luxembourg
|
2,048 | RIPE NCC | ALLOCATED PA |
| 78.141.128.0/18 |
Entreprise Des P&t
|
16,384 | RIPE NCC | ASSIGNED PA |
| 83.99.0.0/17 |
Entreprise Des P&t
|
32,768 | RIPE NCC | ASSIGNED PA |
| 87.240.192.0/18 |
Entreprise Des P&t
|
16,384 | RIPE NCC | ASSIGNED PA |
| 88.207.128.0/17 |
Entreprise Des P&t
|
32,768 | RIPE NCC | ASSIGNED PA |
| 107.183.0.0/17 |
Post Luxembourg
|
32,768 | RIPE NCC | ALLOCATED PA |
| 146.0.58.0/23 |
Arcelormittal Ptel
|
512 | RIPE NCC | ASSIGNED PA |
| 146.0.128.0/18 |
Post Luxembourg
|
16,384 | RIPE NCC | ALLOCATED PA |
| 146.0.212.0/22 |
PostTechnologies-Internet
|
1,024 | RIPE NCC | ASSIGNED PA |
| 146.0.216.0/21 |
POSTNet101
|
2,048 | RIPE NCC | ASSIGNED PA |
| 178.254.64.0/18 |
Entreprise Des P&t
|
16,384 | RIPE NCC | ASSIGNED PA |
| 185.9.244.0/22 |
Post Luxembourg
|
1,024 | RIPE NCC | ALLOCATED PA |
| 185.32.236.0/22 |
Post Luxembourg
|
1,024 | RIPE NCC | ALLOCATED PA |
| 185.104.108.0/22 |
CDT-PUBLIC-NETWORK
|
1,024 | RIPE NCC | ASSIGNED PA |
| 188.115.0.0/18 |
Entreprise Des P&t
|
16,384 | RIPE NCC | ASSIGNED PA |
| 193.168.10.0/23 |
NATO SUPPORT AND PROCUREMENT AGENCY
|
512 | RIPE NCC | ASSIGNED PI |
| 193.168.14.0/23 |
NATO SUPPORT AND PROCUREMENT AGENCY
|
512 | RIPE NCC | ASSIGNED PI |
| 194.154.192.0/19 |
Post Luxembourg
|
8,192 | RIPE NCC | ALLOCATED PA |
| 195.46.224.0/19 |
Letterone
|
8,192 | RIPE NCC | ASSIGNED PA |
| 213.135.224.0/19 |
Entreprise Des P&t
|
8,192 | RIPE NCC | ASSIGNED PA |
| 213.166.32.0/19 |
ArcelorMittal
|
8,192 | RIPE NCC | ASSIGNED PA |
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 2001:7e8::/32 |
Post Luxembourg
|
7.9228× 1028 | RIPE NCC | ALLOCATED-BY-RIR |
| 2001:7e8::/29 |
Post Luxembourg
|
6.3383× 1029 | RIPE NCC | ALLOCATED-BY-RIR |
| 2a00:ca60::/29 |
Post Luxembourg
|
6.3383× 1029 | RIPE NCC | ALLOCATED-BY-RIR |
| 2a00:ca60::/32 |
Post Luxembourg
|
7.9228× 1028 | RIPE NCC | ALLOCATED-BY-RIR |
Peers
AS6661 actively fosters the following peering relationships that enhance network performance through direct, settlement-free traffic exchange. Even with a modest number of peers, each connection serves as a strategic asset—optimizing routing, reducing latency, and minimizing transit costs.
Upstreams
AS6661 connects to the global Internet via at least 2 upstream providers. In this setup, AS6661 acts as a customer, subscribing to these transit services to obtain full BGP routing information and ensure reliable, redundant access to external networks.
Downstreams
AS6661 serves as a transit provider the following ASes, delivering the BGP routes needed for global connectivity. This downstream relationship underscores AS6661's role in extending Internet access beyond its own infrastructure.