$ query “AS204457” --type=asn → 1 result(s)
AS204457 — ATLANTIS-CENTRAL
Atlantis Telekomunikasyon Bilisim Hizmetleri San. Tic. Ltd
AS204457 is a mid-size transit provider operated by Atlantis Telekomunikasyon Bilisim Hizmetleri San. Tic. Ltd, based in Türkiye since 2018. The network announces 5 632 IPv4 addresses. Supports IPv6.
- Top 5% — Top 5% of all autonomous systems by reach and degree
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 04, 2026
- Last Seen
- March 05, 2026
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 22 / 16
- IPv6 Prefixes (raw / aggregated)
- 1 / 1
- IPv4 Addresses
- 5 632
- Largest IPv4 Prefix
- /22 (1 024 addresses)
- Largest IPv6 Prefix
- /29
- Geolocated Countries
- 🇹🇷 TR (23 IPs)
- Prefix Changed
- March 04, 2026
Reputation
- Reputation
- Good — 2 flagged IPs out of 5 632 total (0.04%)
Connectivity Summary
- Upstream Providers
- 5 upstream autonomous systems providing transit
- Peers
- 103 autonomous systems exchanging traffic without transit fees
- Downstream Customers
- 7 downstream autonomous systems buying transit
- Degree
- 121 unique BGP neighbors (providers + customers + peers)
- Reach
- 47 — customer cone size measuring network influence
- Degree Rank
- #1 242
- Reach Rank
- #1 558
Upstream Providers (5)
Prefix Lists
IPv4 Prefixes (22 total)
- 185.248.12.0/22 (1 024 addresses)
- 45.156.30.0/23 (512 addresses)
- 131.222.230.0/23 (512 addresses)
- 131.222.232.0/23 (512 addresses)
- 45.94.5.0/24 (256 addresses)
- 45.94.7.0/24 (256 addresses)
- 87.121.22.0/24 (256 addresses)
- 94.103.124.0/24 (256 addresses)
- 95.141.248.0/24 (256 addresses)
- 185.34.129.0/24 (256 addresses)
- 188.125.163.0/24 (256 addresses)
- 188.125.168.0/24 (256 addresses)
- 194.4.153.0/24 (256 addresses)
- 195.170.186.0/24 (256 addresses)
- 213.134.12.0/24 (256 addresses)
- 213.238.174.0/24 (256 addresses)
IPv6 Prefixes (1 total)
- 2a0a:a580::/29