$ 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, based in Lithuania since 2003. The system announces a respectable 13 312 IPv4 addresses, and supports IPv6. Most of its address space is geolocated to Russia, with additional presence in Lithuania and the Netherlands.

  • Top 5% — Top 5% of all autonomous systems by reach and degree
  • #74 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
June 22, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
14 / 8
IPv6 Prefixes (raw / aggregated)
1 / 1
IPv4 Addresses
13 312
Largest IPv4 Prefix
/19 (8 192 addresses)
Largest IPv6 Prefix
/29
Geolocated Countries
🇷🇺 Russia (11 776 IPs), 🇱🇹 Lithuania (1 792 IPs), 🇳🇱 Netherlands (768 IPs)
Prefix Changed
May 13, 2026

Reputation

Reputation
Pristine — 0 flagged IPs

Connectivity Summary

Upstream Providers
4 upstreams providing transit
Peers
1 618 networks exchanging traffic without transit
Downstream Customers
161 downstreams buying transit
Unclassified
7 unclassified BGP neighbors
Degree
1 790 unique BGP neighbors
Reach
33 519 networks in customer cone

Upstream Providers (4)

  • AS3257 — GTT-BACKBONE (Tier-1 transit)
  • AS12389 — ROSTELECOM-AS
  • AS6762 — SEABONE-NET (Tier-1 transit)
  • AS39686 — AS-EUROFIBER

Prefix Lists

IPv4 Prefixes (14 total)

  • 62.140.224.0/19 (8 192 addresses (/19 prefix))
  • 93.191.8.0/21 (2 048 addresses (/21 prefix))
  • 80.77.164.0/22 (1 024 addresses (/22 prefix))
  • 185.221.44.0/22 (1 024 addresses (/22 prefix))
  • 80.77.169.0/24 (256 addresses (/24 prefix))
  • 81.95.42.0/24 (256 addresses (/24 prefix))
  • 89.188.167.0/24 (256 addresses (/24 prefix))
  • 91.247.185.0/24 (256 addresses (/24 prefix))

IPv6 Prefixes (1 total)

  • 2a11:ca40::/29