AS Number
AS209771
AS Name
SYSN
Org Name
SYSN LTD
Registry

ripe

RegDate

Updated

2026-02-12T14:40:05Z

AS209771 Looking Glass
IPv4Prefixes

0

IPv6Prefixes

2

IPv4 NUMs

0

IPv6 NUMs(/64)

131,072

0 IPv4 Addresses
CIDR Description IP NUMs(prefix /64)
2a0e:46c6:4ff::/48
IRR Valid
SYSN LTD 65536
2a13:9500:44::/48
ROA Signed and Valid
SYSN LTD 65536
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS24482 SGGS-AS-AP - SG.GS, SG Singapore 20,992 4,294,967,296 IPv6 IPv6
AS24940 HETZNER-AS - Hetzner Online GmbH, DE Germany 3,174,400 77,309,476,864 IPv6 IPv6
AS25091 IP-Max - IP-Max SA, CH Switzerland 14,848 68,719,607,808 IPv6 IPv6
AS32590 VALVE-CORPORATION - Valve Corporation, US United States 13,312 2,228,224 IPv6 IPv6
AS34549 MEER-AS - meerfarbig GmbH & Co. KG, DE Germany 33,792 313,532,612,608 IPv6 IPv6
AS48646 STEFAN6 - SDRmedia Verwaltungs GmbH, DE Germany 0 196,608 IPv6 IPv6
AS6939 HURRICANE - Hurricane Electric LLC, US United States 456,704 282,627,370,713,088 IPv6 IPv6
as-block:       AS208189 - AS214345
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:        2026-02-12T14:40:05Z
last-modified:  2026-02-12T14:40:05Z
source:         RIPE



aut-num:        AS209771
as-name:        SYSN
org:            ORG-SL977-RIPE
remarks:        For any inquiries use: [email protected]
remarks:        ============ TRANSIT PROVIDERS ============
remarks:        Meerfarbig
import:         from AS-MEER accept ANY
mp-import:      afi ipv6.unicast from AS-MEER accept ANY
export:         to AS-MEER announce AS-SYSN
mp-export:      afi ipv6.unicast to AS-MEER announce AS-SYSN
remarks:        Hurricane Electric
import:         from AS6939 accept ANY
mp-import:      afi ipv6.unicast from AS6939 accept ANY
export:         to AS6939 announce AS-SYSN
mp-export:      afi ipv6.unicast to AS6939 announce AS-SYSN
remarks:        Openfactory
import:         from AS-FREETRANSIT accept ANY
mp-import:      afi ipv6.unicast from AS-FREETRANSIT accept ANY
export:         to AS-FREETRANSIT announce AS-SYSN
mp-export:      afi ipv6.unicast to AS-FREETRANSIT announce AS-SYSN
remarks:        SDRmedia Verwaltungs GmbH
import:         from AS48646 accept ANY
mp-import:      afi ipv6.unicast from AS48646 accept ANY
export:         to AS48646 announce AS-SYSN
mp-export:      afi ipv6.unicast to AS48646 announce AS-SYSN
remarks:        ============== IXP ==============
remarks:        LocIX
import:         from AS-LOCIX accept ANY
mp-import:      afi ipv6.unicast from AS-LOCIX accept ANY
export:         to AS-LOCIX announce AS-SYSN
mp-export:      afi ipv6.unicast to AS-LOCIX announce AS-SYSN
remarks:        KleyReX
import:         from AS-KLEYREX-RS1 accept ANY
mp-import:      afi ipv6.unicast from AS-KLEYREX-RS1 accept ANY
export:         to AS-KLEYREX-RS1 announce AS-SYSN
mp-export:      afi ipv6.unicast to AS-KLEYREX-RS1 announce AS-SYSN
remarks:        ========== DIRECT PEERS ==========
remarks:        ================================
sponsoring-org: ORG-MM735-RIPE
admin-c:        SL13635-RIPE
tech-c:         SL13635-RIPE
notify:         [email protected]
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         SYSN-MNT
created:        2018-12-05T13:35:02Z
last-modified:  2026-02-12T12:12:22Z
source:         RIPE

organisation:   ORG-SL977-RIPE
org-name:       SYSN LTD
country:        GB
reg-nr:         12632689
org-type:       OTHER
address:        27 Old Gloucester Street
address:        London WC1N 3AX
address:        United Kingdom
e-mail:         [email protected]
abuse-c:        SLAD7-RIPE
admin-c:        SL13635-RIPE
tech-c:         SL13635-RIPE
mnt-ref:        zeug
mnt-ref:        MEER-MNT
mnt-ref:        MMERKEL-MNT
mnt-ref:        SYSN-MNT
mnt-by:         SYSN-MNT
created:        2020-06-29T15:57:15Z
last-modified:  2026-05-13T06:38:01Z
source:         RIPE

person:         SYSN LTD
address:        27 Old Gloucester Street
address:        London WC1N 3AX
address:        United Kingdom
phone:          +49 (231) 58693479
e-mail:         [email protected]
nic-hdl:        SL13635-RIPE
mnt-by:         SYSN-MNT
created:        2020-05-29T14:09:52Z
last-modified:  2025-05-20T17:58:44Z
source:         RIPE