$ query “AS204457” --type=asn → 1 result(s)
AS204457 · ATLANTIS-CENTRAL
Atlantis Telekomunikasyon Bilisim Hizmetleri San. ve Tic. Ltd. Sti.
AS204457 is owned by Atlantis Telekomunikasyon Bilisim Hizmetleri San. ve Tic.… and is a mid-size transit provider, based in Türkiye since 2018. The system announces 7 168 IPv4 addresses. Its primary geographic footprint is in Türkiye, with additional presence in Australia and Sweden. No IPv6 support — it's 2026, just saying.
- Top 5% — Top 5% of all autonomous systems by reach and degree
- #10 in Türkiye — Top 10 by reach within country
Basic Information
- Country
- 🇹🇷 Türkiye
- Category
- Internet Service Provider
- Network Role
- Mid-size Transit
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Registered
- March 07, 2018
- Last Changed
- March 19, 2026
- Last Seen
- September 21, 2026 (active)
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 25 / 17
- IPv6 Prefixes (raw / aggregated)
- 0 / 0
- IPv4 Addresses
- 7 168
- Largest IPv4 Prefix
- /22 (1 024 addresses)
- Geolocated Countries
- 🇹🇷 Türkiye (7 680 IPs), 🇦🇺 Australia (2 048 IPs), 🇸🇪 Sweden (1 024 IPs)
- Prefix Changed
- September 12, 2026
Reputation
- Reputation
- Pristine — 0 flagged IPs
Connectivity Summary
- Upstream Providers
- 5 upstreams providing transit
- Peers
- 121 networks exchanging traffic without transit
- Downstream Customers
- 9 downstreams buying transit
- Unclassified
- 2 unclassified BGP neighbors
- Degree
- 137 unique BGP neighbors
- Reach
- 50 networks in customer cone
Upstream Providers (5)
Prefix Lists
IPv4 Prefixes (25 total)
- 185.248.12.0/22 (1 024 addresses (/22 prefix))
- 185.50.164.0/22 (1 024 addresses (/22 prefix))
- 131.222.232.0/23 (512 addresses (/23 prefix))
- 45.156.30.0/23 (512 addresses (/23 prefix))
- 153.56.226.0/23 (512 addresses (/23 prefix))
- 153.56.208.0/23 (512 addresses (/23 prefix))
- 131.222.230.0/23 (512 addresses (/23 prefix))
- 94.103.124.0/24 (256 addresses (/24 prefix))
- 95.141.248.0/24 (256 addresses (/24 prefix))
- 45.94.5.0/24 (256 addresses (/24 prefix))
- 87.121.22.0/24 (256 addresses (/24 prefix))
- 45.94.7.0/24 (256 addresses (/24 prefix))
- 188.125.163.0/24 (256 addresses (/24 prefix))
- 188.125.168.0/24 (256 addresses (/24 prefix))
- 194.4.153.0/24 (256 addresses (/24 prefix))
- 195.170.186.0/24 (256 addresses (/24 prefix))
- 213.134.12.0/24 (256 addresses (/24 prefix))