AS39704 CJ2 Hosting B.V.

Netherlands CJ2-AS RIPE 15 IPv4 prefixes 4 IPv6 prefixes
IPv4 addresses
19,968
IPv6 /48 networks
655,361
RPKI
17 valid2 no ROA
Peers and downstreams
145

Holder

AS name
CJ2-AS
Description
CJ2 Hosting B.V.
Organisation
CJ2 Hosting B.V.
Registered in
Groningen, Netherlands
Abuse contact
abuse@cj2.nl
Assigned
2006-04-11
Registered
2006-04-12
Record last changed
2026-09-14 08:27 UTC

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade B · 87/100
partly Prefixes covered by valid ROAs
17 of 19 announced prefixes are RPKI valid, 2 have no ROA.
22/25
pass No RPKI invalid announcements
None of the announcements is RPKI invalid.
10/10
pass Announces IPv6
4 IPv6 prefixes.
15/15
pass More than one upstream
3 upstreams seen in BGP.
10/10
pass Working abuse contact
abuse@cj2.nl is published.
15/15
fail Publishes a geofeed
No geofeed found. Without one, location databases have to guess.
0/10
pass No prefixes smaller than /24 or /48
All prefixes are /24 (IPv4) or /48 (IPv6) or larger.
10/10
pass Registry record maintained
Last changed 2026-09-14.
5/5

Routing changes

Last 30 days
2026-10-04 07:17 UTCNeighbour gone AS205103 upstream
2026-10-04 07:17 UTCNeighbour gone AS58299 peer
2026-10-04 07:17 UTCNeighbour gone AS56911 upstream
2026-10-04 07:17 UTCNeighbour gone AS50869 upstream
2026-10-04 07:17 UTCNeighbour gone AS48646 upstream
2026-10-04 07:17 UTCNeighbour gone AS41051 upstream
2026-10-04 07:17 UTCNeighbour gone AS31027 peer
2026-10-04 07:17 UTCNeighbour gone AS1031 upstream
2026-10-04 07:17 UTCRelationship changed AS9044 upstream to peer
2026-10-04 07:17 UTCRelationship changed AS9002 upstream to peer
2026-10-04 07:17 UTCRelationship changed AS8966 upstream to peer
2026-10-04 07:17 UTCRelationship changed AS8298 upstream to peer
2026-10-04 07:17 UTCRelationship changed AS8218 upstream to peer
2026-10-04 07:17 UTCRelationship changed AS7713 upstream to peer
2026-10-04 07:17 UTCRelationship changed AS7195 upstream to peer
2026-10-04 07:17 UTCNew neighbour AS6797 peer
2026-10-04 07:17 UTCRelationship changed AS6777 upstream to peer
2026-10-04 07:17 UTCRelationship changed AS6696 upstream to peer
2026-10-04 07:17 UTCRelationship changed AS6663 upstream to peer
2026-10-04 07:17 UTCRelationship changed AS6204 upstream to peer
2026-10-04 07:17 UTCRelationship changed AS62000 upstream to peer
2026-10-04 07:17 UTCRelationship changed AS61049 upstream to peer
2026-10-04 07:17 UTCNew neighbour AS6057 peer
2026-10-04 07:17 UTCRelationship changed AS56655 upstream to peer
2026-10-04 07:17 UTCRelationship changed AS5405 upstream to peer
2026-10-04 07:17 UTCRelationship changed AS50673 upstream to peer
2026-10-04 07:17 UTCRelationship changed AS49434 upstream to peer
2026-10-04 07:17 UTCRelationship changed AS48362 upstream to peer
2026-10-04 07:17 UTCRelationship changed AS47147 upstream to peer
2026-10-04 07:17 UTCNew neighbour AS4657 peer
2026-10-04 07:17 UTCRelationship changed AS4455 upstream to peer
2026-10-04 07:17 UTCRelationship changed AS42708 upstream to peer
2026-10-04 07:17 UTCRelationship changed AS41327 upstream to peer
2026-10-04 07:17 UTCRelationship changed AS39686 upstream to peer
2026-10-04 07:17 UTCRelationship changed AS39351 upstream to peer
2026-10-04 07:17 UTCNew neighbour AS39249 peer
2026-10-04 07:17 UTCRelationship changed AS37497 upstream to peer
2026-10-04 07:17 UTCRelationship changed AS37468 upstream to peer
2026-10-04 07:17 UTCRelationship changed AS37100 upstream to peer
2026-10-04 07:17 UTCRelationship changed AS35280 upstream to peer
2026-10-04 07:17 UTCRelationship changed AS34177 upstream to peer
2026-10-04 07:17 UTCRelationship changed AS34019 upstream to peer
2026-10-04 07:17 UTCRelationship changed AS33891 upstream to peer
2026-10-04 07:17 UTCRelationship changed AS3216 upstream to peer
2026-10-04 07:17 UTCRelationship changed AS3214 upstream to peer
2026-10-04 07:17 UTCRelationship changed AS30844 upstream to peer
2026-10-04 07:17 UTCRelationship changed AS29632 upstream to peer
2026-10-04 07:17 UTCRelationship changed AS29075 upstream to peer
2026-10-04 07:17 UTCRelationship changed AS264409 upstream to peer
2026-10-04 07:17 UTCRelationship changed AS25091 upstream to peer
2026-10-04 07:17 UTCRelationship changed AS24961 upstream to peer
2026-10-04 07:17 UTCRelationship changed AS22356 upstream to peer
2026-10-04 07:17 UTCNew neighbour AS209090 peer
2026-10-04 07:17 UTCRelationship changed AS209022 upstream to peer
2026-10-04 07:17 UTCRelationship changed AS20764 upstream to peer
2026-10-04 07:17 UTCRelationship changed AS20485 upstream to peer
2026-10-04 07:17 UTCNew neighbour AS20326 peer
2026-10-04 07:17 UTCRelationship changed AS1764 upstream to peer
2026-10-04 07:17 UTCNew neighbour AS17557 peer
2026-10-04 07:17 UTCRelationship changed AS15958 upstream to peer
2026-10-04 07:17 UTCRelationship changed AS15943 upstream to peer
2026-10-04 07:17 UTCRelationship changed AS15802 upstream to peer
2026-10-04 07:17 UTCRelationship changed AS15576 upstream to peer
2026-10-04 07:17 UTCRelationship changed AS14840 upstream to peer
2026-10-04 07:17 UTCRelationship changed AS137409 upstream to peer
2026-10-04 07:17 UTCRelationship changed AS13194 upstream to peer
2026-10-04 07:17 UTCRelationship changed AS12779 upstream to peer
2026-10-04 07:17 UTCRelationship changed AS1267 upstream to peer
2026-10-04 07:17 UTCRelationship changed AS12552 upstream to peer
2026-10-04 07:17 UTCPrefix gone 2a03:c3c0::/29
2026-10-04 07:17 UTCPrefix gone 185.88.8.0/24
2026-10-04 07:17 UTCPrefix gone 185.200.123.0/24

WHOIS

aut-num:        AS39704
as-name:        CJ2-AS
org:            ORG-CH8-RIPE
remarks:        -- Transits --
remarks:        -- Customers --
admin-c:        CJ2
tech-c:         CJ2
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         MNT-CJ2
created:        2006-04-12T10:04:18Z
last-modified:  2026-09-14T08:27:51Z
source:         RIPE
% 16 routing policy lines (import/export) not shown