$ query “AS39704” --type=asn → 1 result(s)

AS39704 · CJ2-AS

CJ2 Hosting B.V.

AS39704 is run by CJ2 Hosting B.V. and is a mid-size transit provider, registered in the Netherlands since 2006. The system announces a respectable 20 224 IPv4 addresses, and supports IPv6. The bulk of its IP address space is in the Netherlands, with additional presence in Finland. Prefix announcements for this AS were recently updated.

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

Basic Information

Country
🇳🇱 Netherlands
Category
Hosting
Network Role
Mid-size Transit
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Registered
April 12, 2006
Last Changed
March 04, 2026
Last Seen
April 20, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
16 / 15
IPv6 Prefixes (raw / aggregated)
5 / 5
IPv4 Addresses
20 224
Largest IPv4 Prefix
/19 (8 192 addresses)
Largest IPv6 Prefix
/29
Geolocated Countries
🇳🇱 Netherlands (40 192 IPs), 🇫🇮 Finland (16 IPs)
Prefix Changed
April 20, 2026

Reputation

Reputation
Good — 1 flagged IPs out of 20 224 total (0.00%)

Connectivity Summary

Upstream Providers
2 upstreams providing transit
Peers
119 networks exchanging traffic without transit
Downstream Customers
13 downstreams buying transit
Unclassified
3 unclassified BGP neighbors
Degree
137 unique BGP neighbors
Reach
14 networks in customer cone

Upstream Providers (2)

  • AS174 — COGENT-174 (Tier-1 transit)
  • AS6830 — LIBERTYGLOBAL (Tier-1 transit)

Prefix Lists

IPv4 Prefixes (16 total)

  • 213.132.192.0/19 (8 192 addresses (/19 prefix))
  • 46.182.216.0/21 (2 048 addresses (/21 prefix))
  • 5.22.248.0/21 (2 048 addresses (/21 prefix))
  • 94.124.88.0/21 (2 048 addresses (/21 prefix))
  • 185.146.216.0/22 (1 024 addresses (/22 prefix))
  • 91.192.36.0/22 (1 024 addresses (/22 prefix))
  • 185.94.168.0/22 (1 024 addresses (/22 prefix))
  • 185.103.16.0/22 (1 024 addresses (/22 prefix))
  • 91.208.60.0/24 (256 addresses (/24 prefix))
  • 185.200.123.0/24 (256 addresses (/24 prefix))
  • 194.13.66.0/24 (256 addresses (/24 prefix))
  • 194.50.163.0/24 (256 addresses (/24 prefix))
  • 194.69.204.0/24 (256 addresses (/24 prefix))
  • 195.216.246.0/24 (256 addresses (/24 prefix))
  • 185.88.8.0/24 (256 addresses (/24 prefix))

IPv6 Prefixes (5 total)

  • 2a00:1bd0::/29
  • 2a03:c3c0::/29
  • 2a07:52c0::/32
  • 2a07:52c2::/32
  • 2001:67c:f14::/48