Autonomous system
AS39704 CJ2-AS
Hosting RIPE
Summary
CJ2 Hosting
hosting isp netherlands
CJ2-AS is operated by CJ2 Hosting B.V.
What it's used for
- The address space carries customer and infrastructure endpoints, evidenced by reverse DNS names such as
5-22-250-0.cust.cj2.nlandcj2-rh-cr1-eth3-2.cj2.nl. - The AS announces 19,712 IPv4 addresses across 18 prefixes and maintains 139 observed neighbours, a ratio consistent with a regional hosting and access provider.
- Traffic from this network consists of web and API endpoints, cloud workloads, and subscriber connections for a provider of strategic cloud solutions and cable/DSL services.
Notable
- Registrants for the majority of prefixes are CJ2 Hosting B.V. or CJ2 NOC, aligning with the AS holder; exceptions include Speak B.V. for
185.146.216.0/22and RAPIDE Software BV for91.208.60.0/24. - The inventory is a mix of /21, /22, and /24 blocks, with the largest being
213.132.208.0/20.
This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy. Source, and how to suggest an edit.
Interconnection
Peering at a glance
Internet exchanges
Recorded at 3 exchanges in 1 country, largest first.
| Exchange | Location | Their address |
|---|---|---|
| AMS-IX Amsterdam | Amsterdam, Netherlands | 80.249.209.130 |
| Neutral Internet Exchange | Amsterdam, Netherlands | 193.239.116.178 |
| The Frys Internet Exchange | Frysian, Netherlands | 2001:7f8:10f::9b18:51 |
Transit providers
26 upstream, 13 downstream and 56 adjacent networks observed; most-used upstreams first.
Exchange presence is recorded rather than inferred: the directory collected by Packet Clearing House (https://www.pch.net/ixp/data) on 2026-10-14, licensed CC BY-NC-SA 3.0. Transit is inferred from observed BGP paths, never declared by either party.
Address space
Summary
IPv4 18 prefixes · 19.71K addresses IPv6 4 prefixes
| Country | Name | Prefixes |
|---|---|---|
| NL | Netherlands | 22 |
Registry
Allocation record
- Registry
- RIPE
- Handle
AS39704- Registry name
- CJ2-AS
- Registrant
- MNT-CJ2
- Abuse contact
- abuse@cj2.nl
- Registered
- 2006-04-12
- Last changed
- 2026-09-14
- Allocation
- allocated
Routing security
RPKI and IRR
- RPKI
- 89% valid · 17 valid, 2 with no ROA
- ROAs
- 20 authorising AS39704
- ASPA
- no ASPA record
- IRR
- 100% registered · 19 of 19 announcements
- Route objects
- 20 naming AS39704
Reputation
Classification and threat
Hosting Datacenter or cloud provider. Addresses are servers, not people.
Spamhaus DROP
Not on ASN-DROP The network as a whole is not listed.
No DROP prefixes None of its announced space is on the DROP prefix list.
Spamhaus DROP ("Don't Route Or Peer") lists space and networks run by, or hijacked for, spam and cybercrime operations: 442 networks and 1,771 prefixes, as published 2026-10-15. A short, high-confidence list, so a match is worth taking seriously, and absence from it says little on its own.
FBI IC3
No IC3 indicators Nothing from the FBI IC3 feed.
IC3 threat data is alpha. Absence of an indicator is not evidence of good behaviour, only of absence from this one feed.
Elsewhere