$ query “AS20657” --type=asn → 1 result(s)

AS20657 — ATLANTIS

ATLANTIS BG Ltd.

AS20657 is a hosting access provider registered to ATLANTIS BG Ltd., established in Bulgaria. The network announces 4 096 IPv4 addresses. No IPv6 support — it's 2026, just saying.

Basic Information

Country
🇧🇬 Bulgaria
Category
Hosting
Network Role
Access Provider
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Last Changed
March 04, 2026
Last Seen
March 05, 2026

Prefix Summary

IPv4 Prefixes (raw / aggregated)
11 / 6
IPv6 Prefixes (raw / aggregated)
0 / 0
IPv4 Addresses
4 096
Largest IPv4 Prefix
/21 (2 048 addresses)
Geolocated Countries
🇧🇬 BG (8 IPs)
Prefix Changed
March 04, 2026

Reputation

Reputation
Pristine — 0 flagged IPs out of 4 096 total (0.00%)

Connectivity Summary

Upstream Providers
3 upstream autonomous systems providing transit
Peers
2 autonomous systems exchanging traffic without transit fees
Downstream Customers
5 downstream autonomous systems buying transit
Degree
10 unique BGP neighbors (providers + customers + peers)
Reach
5 — customer cone size measuring network influence
Degree Rank
#10 614
Reach Rank
#4 324

Upstream Providers (3)

  • AS6762 — SEABONE-NET (Tier-1 transit)
  • AS34224 — NETERRA-AS
  • AS59900 — BALKAN-INTERNET-EXCHANGE (Tier-1 transit)

Prefix Lists

IPv4 Prefixes (11 total)

  • 88.80.152.0/21 (2 048 addresses)
  • 88.80.132.0/23 (512 addresses)
  • 194.79.12.0/23 (512 addresses)
  • 195.68.214.0/23 (512 addresses)
  • 88.80.131.0/24 (256 addresses)
  • 193.108.24.0/24 (256 addresses)