$ query “AS39686” --type=asn → 1 result(s)

AS39686 · AS-EUROFIBER

Eurofiber Nederland BV

AS39686 is run by Eurofiber Nederland BV and is a major transit provider, established in the Netherlands in 2015. The system announces a solid 210 944 IPv4 addresses, including a /16, and supports IPv6. The bulk of its IP address space is in the Netherlands, with additional presence in Belgium.

  • Top 5% — Top 5% of all autonomous systems by reach and degree
  • #15 by Reach — Top 100 by customer cone size
  • #1 in Netherlands — Top 10 by reach within country

Basic Information

Country
🇳🇱 Netherlands
Category
Hosting
Network Role
Major Transit
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Registered
March 06, 2015
Last Changed
May 01, 2026
Last Seen
June 22, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
76 / 68
IPv6 Prefixes (raw / aggregated)
19 / 16
IPv4 Addresses
210 944
Largest IPv4 Prefix
/16 (65 536 addresses)
Largest IPv6 Prefix
/29
Geolocated Countries
🇳🇱 Netherlands (346 768 IPs), 🇧🇪 Belgium (57 056 IPs)
Prefix Changed
June 16, 2026

Reputation

Reputation
Pristine — 0 flagged IPs

Connectivity Summary

Upstream Providers
3 upstreams providing transit
Peers
110 networks exchanging traffic without transit
Downstream Customers
343 downstreams buying transit
Unclassified
12 unclassified BGP neighbors
Degree
468 unique BGP neighbors
Reach
55 669 networks in customer cone

Upstream Providers (3)

  • AS3356 — LEVEL3 (Tier-1 transit)
  • AS3257 — GTT-BACKBONE (Tier-1 transit)
  • AS35625 — EUROFIBER-FRANCE

Prefix Lists

IPv4 Prefixes (76 total)

  • 90.145.0.0/16 (65 536 addresses (/16 prefix))
  • 84.53.64.0/18 (16 384 addresses (/18 prefix))
  • 144.178.64.0/19 (8 192 addresses (/19 prefix))
  • 82.148.192.0/19 (8 192 addresses (/19 prefix))
  • 193.53.128.0/19 (8 192 addresses (/19 prefix))
  • 161.51.64.0/19 (8 192 addresses (/19 prefix))
  • 89.20.160.0/19 (8 192 addresses (/19 prefix))
  • 144.178.192.0/19 (8 192 addresses (/19 prefix))
  • 145.77.128.0/19 (8 192 addresses (/19 prefix))
  • 144.178.224.0/20 (4 096 addresses (/20 prefix))
  • 109.94.144.0/20 (4 096 addresses (/20 prefix))
  • 145.77.240.0/20 (4 096 addresses (/20 prefix))
  • 31.207.16.0/20 (4 096 addresses (/20 prefix))
  • 151.236.144.0/20 (4 096 addresses (/20 prefix))
  • 37.251.176.0/20 (4 096 addresses (/20 prefix))
  • 141.136.16.0/20 (4 096 addresses (/20 prefix))
  • 151.248.48.0/21 (2 048 addresses (/21 prefix))
  • 144.178.240.0/21 (2 048 addresses (/21 prefix))
  • 37.251.200.0/21 (2 048 addresses (/21 prefix))
  • 194.53.24.0/21 (2 048 addresses (/21 prefix))
  • 93.95.248.0/21 (2 048 addresses (/21 prefix))
  • 37.251.240.0/21 (2 048 addresses (/21 prefix))
  • 144.178.96.0/21 (2 048 addresses (/21 prefix))
  • 144.178.120.0/21 (2 048 addresses (/21 prefix))
  • 31.207.8.0/21 (2 048 addresses (/21 prefix))
  • 45.11.164.0/22 (1 024 addresses (/22 prefix))
  • 185.60.60.0/22 (1 024 addresses (/22 prefix))
  • 144.178.112.0/22 (1 024 addresses (/22 prefix))
  • 185.184.204.0/22 (1 024 addresses (/22 prefix))
  • 195.189.20.0/22 (1 024 addresses (/22 prefix))
  • 46.102.148.0/22 (1 024 addresses (/22 prefix))
  • 194.104.28.0/22 (1 024 addresses (/22 prefix))
  • 193.34.4.0/22 (1 024 addresses (/22 prefix))
  • 185.222.232.0/22 (1 024 addresses (/22 prefix))
  • 45.80.232.0/22 (1 024 addresses (/22 prefix))
  • 185.41.144.0/22 (1 024 addresses (/22 prefix))
  • 185.125.236.0/22 (1 024 addresses (/22 prefix))
  • 144.178.248.0/22 (1 024 addresses (/22 prefix))
  • 2.58.108.0/22 (1 024 addresses (/22 prefix))
  • 144.178.108.0/22 (1 024 addresses (/22 prefix))
  • 194.53.116.0/23 (512 addresses (/23 prefix))
  • 193.247.198.0/23 (512 addresses (/23 prefix))
  • 185.65.124.0/23 (512 addresses (/23 prefix))
  • 193.53.18.0/23 (512 addresses (/23 prefix))
  • 46.22.176.0/23 (512 addresses (/23 prefix))
  • 93.157.136.0/23 (512 addresses (/23 prefix))
  • 185.172.4.0/23 (512 addresses (/23 prefix))
  • 91.194.8.0/23 (512 addresses (/23 prefix))
  • 91.212.104.0/24 (256 addresses (/24 prefix))
  • 185.202.224.0/24 (256 addresses (/24 prefix))

IPv6 Prefixes (19 total)

  • 2a01:5620::/29
  • 2a01:9bc0::/29
  • 2a02:120::/29
  • 2a02:fe8::/31
  • 2a05:b2c4::/31
  • 2a0e:4980::/32
  • 2a04:f840::/40
  • 2a07:3502:1210::/46
  • 2a07:3501:1032::/47
  • 2a07:3500:11e0::/48
  • 2a07:3501:1060::/48
  • 2a07:3502:10e0::/48
  • 2a07:3502:11c0::/48
  • 2001:67c:18a0::/48
  • 2a00:f620:1::/48
  • 2a10:dac0:102::/48