AS13004
Serbian Open Exchange Doo — sox.rs
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Summary
| Country |
 Serbia
|
| Organization | Serbian Open Exchange Doo |
| Domain | sox.rs |
| Number of IPv4 | 1,024 |
| Number of IPv6 | 1.2089× 1024 |
| AS Type | Hosting |
| Registry | RIPE NCC |
| Allocated | February 26, 2010 (about 15 years ago) |
| Updated | October 18, 2025 (about 11 days ago) |
IP Ranges
AS13004 announces 4 IPv4 ranges and 1 IPv6 range.
That's a total of 1,024 IPv4 addresses and 1.2089× 1024 IPv6 addresses.
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 88.218.139.0/24 |
ZPTA-LAN-B3
|
256 | RIPE NCC | ASSIGNED PA |
| 91.245.214.0/24 |
Serbian Open Exchange Doo
|
256 | RIPE NCC | ASSIGNED PI |
| 188.120.127.0/24 |
Zoran Perovic Trading AS Agencija Perke.net
|
256 | RIPE NCC | ALLOCATED PA |
| 193.105.163.0/24 |
Serbian Open Exchange Doo
|
256 | RIPE NCC | ASSIGNED PI |
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 2001:7f8:1e::/48 |
Serbian Open Exchange Doo
|
1.2089× 1024 | RIPE NCC | ASSIGNED PI |
Peers
AS13004 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
AS13004 connects to the global Internet via at least 5 upstream providers. In this setup, AS13004 acts as a customer, subscribing to these transit services to obtain full BGP routing information and ensure reliable, redundant access to external networks.
Downstreams
AS13004 serves as a transit provider the following ASes, delivering the BGP routes needed for global connectivity. This downstream relationship underscores AS13004's role in extending Internet access beyond its own infrastructure.