AS Number
AS50554
AS Name
NCBV-BACKBONE
Org Name
TWS Technologies B.V.
Country
Netherlands
Registry

ripe

RegDate

Updated

2024-08-12T14:10:44Z

AS50554 Looking Glass
IPv4Prefixes

3

IPv6Prefixes

2

IPv4 NUMs

4,096

IPv6 NUMs(/64)

34,359,803,904

4,096 IPv4 Addresses
CIDR Description IP Num
89.106.160.0/21
ROA Signed and Valid IRR Valid
TWS Technologies B.V. 2048
139.28.112.0/22
ROA Signed and Valid IRR Valid
TWS Technologies B.V. 1024
185.3.176.0/22
ROA Signed and Valid IRR Valid
TWS Technologies B.V. 1024
CIDR Description IP NUMs(prefix /64)
2a00:1bc8::/29
ROA Signed and Valid IRR InValid
TWS Technologies B.V. 34359738368
2a07:3501:1230::/48
ROA Signed and Valid IRR Valid
Waterschap De Dommel 65536
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS8455 ATOM86-AS - atom86 BV, NL Netherlands 18,944 73,014,444,032 IPv6 IPv6
AS24482 SGGS-AS-AP - SG.GS, SG Singapore 20,992 4,294,967,296 IPv6 IPv6
AS137409 GSLNETWORKS-AS-AP - GSL Networks Pty LTD, AU Australia 99,840 77,403,586,560 IPv6 IPv6
AS174 COGENT-174 - Cogent Communications, LLC, US United States 35,891,712 185,692,585,984 IPv6 IPv6
AS6939 HURRICANE - Hurricane Electric LLC, US United States 582,912 282,627,370,713,088 IPv6 IPv6
as-block:       AS50220 - AS50841
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:        2024-08-12T14:10:44Z
last-modified:  2024-08-12T14:10:44Z
source:         RIPE



aut-num:        AS50554
as-name:        NCBV-BACKBONE
org:            ORG-TTB7-RIPE
remarks:        +---------------------------------------------------------+
remarks:        | Transit IPv4 |
remarks:        +---------------------------------------------------------+
remarks:        Atom86/Schuberg Philis:
import:         from AS8455 accept ANY
export:         to AS8455 announce AS-NCBV
remarks:        Cogent:
import:         from AS174 accept ANY
export:         to AS174 announce AS-NCBV
remarks:        +---------------------------------------------------------+
remarks:        | Transit IPv6 |
remarks:        +---------------------------------------------------------+
remarks:        Atom86/Schuberg Philis:
mp-import:      afi ipv6.unicast from AS8455 accept ANY
mp-export:      afi ipv6.unicast to AS8455 announce AS-NCBV
remarks:        Cogent:
mp-import:      afi ipv6.unicast from AS174 accept ANY
mp-export:      afi ipv6.unicast to AS174 announce AS-NCBV
remarks:        +---------------------------------------------------------+
remarks:        | Customers IPv4 |
remarks:        +---------------------------------------------------------+
admin-c:        MDW162-RIPE
tech-c:         MDW162-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         TWSNETWORKS
mnt-by:         mdewolff
created:        2010-02-09T15:04:28Z
last-modified:  2025-04-22T07:18:00Z
source:         RIPE

organisation:   ORG-TTB7-RIPE
org-name:       TWS Technologies B.V.
country:        NL
org-type:       LIR
address:        koppelstraat 24
address:        7391AK
address:        Twello
address:        NETHERLANDS
phone:          +31885702400
e-mail:         helpdesk@twsnetworks.com
admin-c:        MDW162-RIPE
tech-c:         MDW162-RIPE
abuse-c:        AR50099-RIPE
mnt-ref:        mdewolff
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         mdewolff
created:        2018-12-28T13:25:05Z
last-modified:  2021-11-10T12:17:33Z
source:         RIPE

person:         Maarten de Wolff
address:        koppelstraat 24
address:        7391AK
address:        Twello
address:        NETHERLANDS
phone:          +31885702400
nic-hdl:        MDW162-RIPE
mnt-by:         mdewolff
created:        2018-12-28T13:25:04Z
last-modified:  2018-12-28T13:25:04Z
source:         RIPE