AS216219 Ken Madlehn

Germany MADLEHN RIPE 1 IPv4 prefix 5 IPv6 prefixes
IPv4 addresses
256
IPv6 /48 networks
5
RPKI
6 valid0 no ROA
Peers and downstreams
0

Holder

AS name
MADLEHN
Description
Ken Madlehn
Organisation
Ken Madlehn
Registered in
Bad Oeynhausen, Germany
Abuse contact
abuse@madlehn.de
Assigned
2023-10-01
Registered
2023-10-02
Record last changed
2026-03-09 16:09 UTC

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade A · 90/100
pass Prefixes covered by valid ROAs
6 of 6 announced prefixes are RPKI valid.
25/25
pass No RPKI invalid announcements
None of the announcements is RPKI invalid.
10/10
pass Announces IPv6
5 IPv6 prefixes.
15/15
pass More than one upstream
2 upstreams seen in BGP.
10/10
pass Working abuse contact
abuse@madlehn.de 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 2026-03-09.
5/5

Routing changes

Last 30 days
2026-10-05 03:25 UTCNew neighbour AS211301 upstream

WHOIS

aut-num:        AS216219
as-name:        MADLEHN
org:            ORG-KM245-RIPE
admin-c:        RC20873-RIPE
tech-c:         RC20873-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         lir-de-madlehn-1-MNT
created:        2023-10-02T14:52:41Z
last-modified:  2026-03-09T16:09:30Z
source:         RIPE