$ 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, registered in the Netherlands since 2015. The system announces a solid 212 736 IPv4 addresses, including a /16, and supports IPv6. Most of its address space is geolocated to the Netherlands, with additional presence in Belgium. This AS has recently updated its prefix announcements.

  • Top 5% — Top 5% of all autonomous systems by reach and degree

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
May 13, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
77 / 68
IPv6 Prefixes (raw / aggregated)
19 / 16
IPv4 Addresses
212 736
Largest IPv4 Prefix
/16 (65 536 addresses)
Largest IPv6 Prefix
/29
Geolocated Countries
🇳🇱 Netherlands (350 864 IPs), 🇧🇪 Belgium (56 528 IPs)
Prefix Changed
May 14, 2026

Reputation

Reputation
Good — 1 flagged IPs out of 212 736 total (0.00%)

Connectivity Summary

Upstream Providers
2 upstreams providing transit
Peers
114 networks exchanging traffic without transit
Downstream Customers
62 downstreams buying transit
Unclassified
46 unclassified BGP neighbors
Degree
224 unique BGP neighbors
Reach
120 networks in customer cone

Upstream Providers (2)

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

Prefix Lists

IPv4 Prefixes (77 total)

  • 90.145.0.0/16 (65 536 addresses (/16 prefix))
  • 84.53.64.0/18 (16 384 addresses (/18 prefix))
  • 82.148.192.0/19 (8 192 addresses (/19 prefix))
  • 144.178.64.0/19 (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))
  • 89.20.160.0/19 (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))
  • 144.178.224.0/20 (4 096 addresses (/20 prefix))
  • 37.251.176.0/20 (4 096 addresses (/20 prefix))
  • 151.236.144.0/20 (4 096 addresses (/20 prefix))
  • 141.136.16.0/20 (4 096 addresses (/20 prefix))
  • 109.94.144.0/20 (4 096 addresses (/20 prefix))
  • 31.207.16.0/20 (4 096 addresses (/20 prefix))
  • 145.77.240.0/20 (4 096 addresses (/20 prefix))
  • 37.251.200.0/21 (2 048 addresses (/21 prefix))
  • 144.178.240.0/21 (2 048 addresses (/21 prefix))
  • 144.178.96.0/21 (2 048 addresses (/21 prefix))
  • 151.248.48.0/21 (2 048 addresses (/21 prefix))
  • 93.95.248.0/21 (2 048 addresses (/21 prefix))
  • 144.178.120.0/21 (2 048 addresses (/21 prefix))
  • 37.251.240.0/21 (2 048 addresses (/21 prefix))
  • 130.78.0.0/21 (2 048 addresses (/21 prefix))
  • 194.53.24.0/21 (2 048 addresses (/21 prefix))
  • 31.207.8.0/21 (2 048 addresses (/21 prefix))
  • 193.34.4.0/22 (1 024 addresses (/22 prefix))
  • 185.41.144.0/22 (1 024 addresses (/22 prefix))
  • 144.178.112.0/22 (1 024 addresses (/22 prefix))
  • 195.189.20.0/22 (1 024 addresses (/22 prefix))
  • 194.104.28.0/22 (1 024 addresses (/22 prefix))
  • 45.11.164.0/22 (1 024 addresses (/22 prefix))
  • 45.80.232.0/22 (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))
  • 185.222.232.0/22 (1 024 addresses (/22 prefix))
  • 185.184.204.0/22 (1 024 addresses (/22 prefix))
  • 46.102.148.0/22 (1 024 addresses (/22 prefix))
  • 144.178.108.0/22 (1 024 addresses (/22 prefix))
  • 185.125.236.0/22 (1 024 addresses (/22 prefix))
  • 185.60.60.0/22 (1 024 addresses (/22 prefix))
  • 185.172.4.0/23 (512 addresses (/23 prefix))
  • 91.194.8.0/23 (512 addresses (/23 prefix))
  • 185.65.124.0/23 (512 addresses (/23 prefix))
  • 93.157.136.0/23 (512 addresses (/23 prefix))
  • 194.53.116.0/23 (512 addresses (/23 prefix))
  • 193.247.198.0/23 (512 addresses (/23 prefix))
  • 46.22.176.0/23 (512 addresses (/23 prefix))
  • 193.53.18.0/23 (512 addresses (/23 prefix))
  • 83.223.53.0/24 (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