$ query “AS13004” --type=asn → 1 result(s)

AS13004 · SOX

Serbian Open Exchange DOO

AS13004 is operated by Serbian Open Exchange DOO and serves as a mid-size transit provider, established in Serbia in 2010. The system announces 1 024 IPv4 addresses, and supports IPv6. Its primary geographic footprint is in Serbia.

  • Top 5% — Top 5% of all autonomous systems by reach and degree
  • #2 in Serbia — Top 10 by reach within country

Basic Information

Country
🇷🇸 Serbia
Category
Hosting
Network Role
Mid-size Transit
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Registered
February 26, 2010
Last Changed
March 04, 2026
Last Seen
April 29, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
4 / 4
IPv6 Prefixes (raw / aggregated)
1 / 1
IPv4 Addresses
1 024
Largest IPv4 Prefix
/24 (256 addresses)
Largest IPv6 Prefix
/48
Geolocated Countries
🇷🇸 Serbia (1 536 IPs)
Prefix Changed
March 04, 2026

Reputation

Reputation
Pristine — 0 flagged IPs

Connectivity Summary

Upstream Providers
6 upstreams providing transit
Peers
68 networks exchanging traffic without transit
Downstream Customers
31 downstreams buying transit
Unclassified
4 unclassified BGP neighbors
Degree
109 unique BGP neighbors
Reach
36 977 networks in customer cone

Upstream Providers (6)

Prefix Lists

IPv4 Prefixes (4 total)

  • 88.218.139.0/24 (256 addresses (/24 prefix))
  • 91.245.214.0/24 (256 addresses (/24 prefix))
  • 188.120.127.0/24 (256 addresses (/24 prefix))
  • 193.105.163.0/24 (256 addresses (/24 prefix))

IPv6 Prefixes (1 total)

  • 2001:7f8:1e::/48