206208 looking glass

AS56737 Stadtwerke Flensburg GmbH 🇩🇪 DE

Announcing 3 prefixes, seen at the RIS collectors.

IPv4 prefixes
2
3,072 (12 × /24)
IPv6 prefixes
1
8 × /32
Upstreams
4
transit providers observed
Peers
0
settlement-free adjacencies
Downstreams
2
transit customers observed
Customer cone
3
ASes reachable through it

Registry and operator data

AS number
AS56737
Name
Stadtwerke Flensburg GmbH
Organisation
Stadtwerke Flensburg GmbH
Country
🇩🇪 DE
RIR
RIPENCC
Allocated
2011-05-05

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

3 valid (100.0%) 0 invalid (0.0%) 0 no ROA (0.0%)

Whois

Fetched from whois.ripe.net

as-block:       AS56444 - AS56807
descr:          RIPE NCC ASN block
remarks:        These AS Numbers are assigned to network operators in the RIPE NCC service region.
mnt-by:         RIPE-NCC-HM-MNT
created:        2024-12-10T14:53:42Z
last-modified:  2024-12-10T14:53:42Z
source:         RIPE

aut-num:        AS56737
as-name:        STADTWERKE-FLENSBURG-AS
org:            ORG-SFG4-RIPE
import:         from AS8881 accept ANY
import:         from AS42525 accept ANY
import:         from AS50629 accept ANY
import:         from AS61377 accept AS61377
import:         from AS3331 accept AS3331
import:         from AS8956 accept AS8956
import:         from AS204135 accept AS204135
export:         to AS8881 announce AS-STWFL
export:         to AS42525 announce AS-STWFL
export:         to AS50629 announce AS-STWFL
export:         to AS61377 announce ANY
export:         to AS3331 announce ANY
export:         to AS8956 announce ANY
export:         to AS204135 announce ANY
admin-c:        ED3678-RIPE
tech-c:         ED3678-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         mnt-stwfl
created:        2011-05-06T12:12:18Z
last-modified:  2026-09-17T06:42:11Z
source:         RIPE # Filtered

organisation:   ORG-SFG4-RIPE
org-name:       Stadtwerke Flensburg GmbH
country:        DE
reg-nr:         District court Flensburg HRB 1283 FL
org-type:       LIR
address:        Batteriestrasse 48
address:        24939
address:        Flensburg
address:        GERMANY
phone:          +494614870
fax-no:         +494871650
admin-c:        ED3678-RIPE
abuse-c:        AR14739-RIPE
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        mnt-stwfl
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         mnt-stwfl
created:        2011-04-11T11:09:57Z
last-modified:  2026-05-13T07:22:04Z
source:         RIPE # Filtered

person:         Erik Domsalla
address:        Stadtwerke Flensburg GmbH
address:        Batteriestrasse 48
address:        24939 Flensburg
address:        DE
phone:          +49 461 487 0
nic-hdl:        ED3678-RIPE
mnt-by:         mnt-stwfl
created:        2014-07-02T14:49:32Z
last-modified:  2015-09-30T14:05:40Z
source:         RIPE