$ query “AS28917” --type=asn → 1 result(s)

AS28917 · FIORD-AS

Fiord Networks UAB

AS28917 is run by Fiord Networks UAB and is a major transit provider, registered in Lithuania since 2003. The system announces a respectable 16 640 IPv4 addresses, and supports IPv6. Most of its address space is geolocated to Russia, with additional presence in Lithuania and the Netherlands. This AS has recently updated its prefix announcements.

  • Top 5% — Top 5% of all autonomous systems by reach and degree
  • #84 by Reach — Top 100 by customer cone size
  • #69 by Degree — Top 100 by unique BGP neighbor count
  • #1 in Lithuania — Top 10 by reach within country

Basic Information

Country
🇱🇹 Lithuania
Category
Hosting
Network Role
Major Transit
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Registered
April 03, 2003
Last Changed
March 04, 2026
Last Seen
April 18, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
19 / 13
IPv6 Prefixes (raw / aggregated)
5 / 4
IPv4 Addresses
16 640
Largest IPv4 Prefix
/19 (8 192 addresses)
Largest IPv6 Prefix
/29
Geolocated Countries
🇷🇺 Russia (29 440 IPs), 🇱🇹 Lithuania (1 792 IPs), 🇳🇱 Netherlands (256 IPs)
Prefix Changed
April 15, 2026

Reputation

Reputation
Pristine — 0 flagged IPs

Connectivity Summary

Upstream Providers
5 upstreams providing transit
Peers
1 699 networks exchanging traffic without transit
Downstream Customers
166 downstreams buying transit
Unclassified
7 unclassified BGP neighbors
Degree
1 877 unique BGP neighbors
Reach
37 416 networks in customer cone

Upstream Providers (5)

  • AS3257 — GTT-BACKBONE (Tier-1 transit)
  • AS12389 — ROSTELECOM-AS
  • AS8359 — MTS
  • AS6762 — SEABONE-NET (Tier-1 transit)
  • AS201054 — EPIX-POLMIX (Tier-1 transit)

Prefix Lists

IPv4 Prefixes (19 total)

  • 62.140.224.0/19 (8 192 addresses (/19 prefix))
  • 93.191.8.0/21 (2 048 addresses (/21 prefix))
  • 185.16.116.0/22 (1 024 addresses (/22 prefix))
  • 91.239.132.0/22 (1 024 addresses (/22 prefix))
  • 80.77.164.0/22 (1 024 addresses (/22 prefix))
  • 185.221.44.0/22 (1 024 addresses (/22 prefix))
  • 194.15.126.0/23 (512 addresses (/23 prefix))
  • 194.190.2.0/23 (512 addresses (/23 prefix))
  • 81.95.42.0/24 (256 addresses (/24 prefix))
  • 89.188.167.0/24 (256 addresses (/24 prefix))
  • 91.209.127.0/24 (256 addresses (/24 prefix))
  • 91.247.185.0/24 (256 addresses (/24 prefix))
  • 80.77.169.0/24 (256 addresses (/24 prefix))

IPv6 Prefixes (5 total)

  • 2a02:2518::/29
  • 2a04:280::/29
  • 2a11:ca40::/29
  • 2001:67c:1484::/48