$ query “AS20804” --type=asn → 1 result(s)

AS20804 · ASN-TELENERGO

Exatel S.A.

AS20804 is operated by Exatel S.A. and serves as a major transit provider, established in Poland in 2002. The system announces a solid 241 664 IPv4 addresses, including a /16, and supports IPv6. Its primary geographic footprint is in Poland.

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

Basic Information

Country
🇵🇱 Poland
Category
Hosting
Network Role
Major Transit
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Registered
August 29, 2002
Last Changed
March 04, 2026
Last Seen
September 09, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
15 / 9
IPv6 Prefixes (raw / aggregated)
1 / 1
IPv4 Addresses
241 664
Largest IPv4 Prefix
/16 (65 536 addresses)
Largest IPv6 Prefix
/32
Geolocated Countries
🇵🇱 Poland (421 888 IPs)
Prefix Changed
April 22, 2026

Reputation

Reputation
Good — 1 flagged IPs out of 241 664 total (0.00%)
Open Proxies
1 known open proxies in this network

Connectivity Summary

Upstream Providers
5 upstreams providing transit
Peers
297 networks exchanging traffic without transit
Downstream Customers
289 downstreams buying transit
Unclassified
12 unclassified BGP neighbors
Degree
603 unique BGP neighbors
Reach
2 799 networks in customer cone

Upstream Providers (5)

  • AS6461 — MFNX (Tier-1 transit)
  • AS215638 — AS-CILIX-LIMITED
  • AS6762 — SEABONE-NET (Tier-1 transit)
  • AS6453 — AS6453 (Tier-1 transit)
  • AS1121 — VIX-RS (Tier-1 transit)

Prefix Lists

IPv4 Prefixes (15 total)

  • 82.177.0.0/16 (65 536 addresses (/16 prefix))
  • 195.136.0.0/16 (65 536 addresses (/16 prefix))
  • 81.15.128.0/17 (32 768 addresses (/17 prefix))
  • 88.220.0.0/17 (32 768 addresses (/17 prefix))
  • 88.220.128.0/18 (16 384 addresses (/18 prefix))
  • 88.220.224.0/19 (8 192 addresses (/19 prefix))
  • 194.183.32.0/19 (8 192 addresses (/19 prefix))
  • 213.172.160.0/19 (8 192 addresses (/19 prefix))
  • 88.220.208.0/20 (4 096 addresses (/20 prefix))

IPv6 Prefixes (1 total)

  • 2a00:4120::/32