AS Number
AS57758
AS Name
CBWS-AS
Org Name
CBWS Holding B.V.
Country / Region
Netherlands
Registry

ripe

RegDate

Updated

2025-04-24T14:15:44Z

AS57758 Looking Glass
IPv4Prefixes

5

IPv6Prefixes

11

IPv4 NUMs

1,280

IPv6 NUMs(/64)

1,477,640,192

CIDR Description IP Num
185.142.141.0/24
IRR Valid
CBWS B.V. 256
185.167.204.0/24
IRR Valid
CBWS B.V. 256
185.167.205.0/24
IRR Valid
CBWS Holding B.V. 256
185.167.206.0/24
IRR Valid
MultiServe 256
185.167.207.0/24
IRR Valid
CBWS B.V. 256
CIDR Description IP NUMs(prefix /64)
2a0b:b600:110::/44
IRR Valid
CBWS Holding B.V. 1048576
2a0b:b600:2000::/38
IRR Valid
CBWS B.V. 67108864
2a0b:b600:2400::/38
IRR Valid
CBWS B.V. 67108864
2a0b:b600:3802::/48
IRR Valid
CBWS B.V. 65536
2a0b:b600:3803::/48
IRR Valid
CBWS B.V. 65536
2a0b:b600:3c04::/48
IRR Valid
CBWS Holding B.V. 65536
2a0b:b602:1000::/36
IRR Valid
CBWS B.V. 268435456
2a0b:b602:2000::/36
IRR Parent Valid
CBWS Holding B.V. 268435456
2a0b:b602:3000::/36
IRR Parent Valid
CBWS Holding B.V. 268435456
2a0b:b602:4000::/36
IRR Parent Valid
CBWS Holding B.V. 268435456
2a0b:b602:8000::/36
IRR Parent Valid
CBWS Holding B.V. 268435456
AS Description Country / Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS6204 ZET-NET - INTERKVM HOST SRL, RO Romania 3,840 268,500,999 IPv4 IPv4
AS34019 HIVANE - Hivane Association, FR France 2,560 1,245,184 IPv4 IPv4 IPv6 IPv6
AS39642 Sinal-AS - Sinal A/S, DK Denmark 560,128 146,028,953,600 IPv4 IPv4
AS58511 ANYCAST-GLOBAL-BACKBONE - Anycast Holdings Pty Ltd, AU Australia 22,528 8,589,934,592 IPv4 IPv4
AS174 COGENT-174 - Cogent Communications, LLC, US United States 36,233,472 215,834,689,537 IPv4 IPv4 IPv6 IPv6
AS1239 COGENT-1239 - Cogent Communications, LLC, US United States 0 210,729,631,744 IPv4 IPv4
AS7713 telkomnet-as-ap - Telekomunikasi Indonesia (PT), ID Indonesia 4,276,480 12,885,032,962 IPv4 IPv4
AS29075 IELO - IELO-LIAZO SERVICES SAS, FR France 31,232 107,374,247,936 IPv4 IPv4 IPv6 IPv6
AS32590 VALVE-CORPORATION - Valve Corporation, US United States 13,568 2,293,760 IPv4 IPv4
AS57463 NetIX - NetIX Communications JSC, BG Bulgaria 256 0 IPv4 IPv4
AS6939 HURRICANE - Hurricane Electric LLC, US United States 458,496 283,043,982,606,336 IPv4 IPv4 IPv6 IPv6
AS8218 NEO-ASN - Zayo Infrastructure France SA, FR France 47,104 12,884,967,424 IPv4 IPv4
AS20562 OPEN-PEERING-AS - Broadband Hosting B.V., NL Netherlands 0 0 IPv4 IPv4 IPv6 IPv6
AS24482 SGGS-AS-AP - SG.GS, SG Singapore 20,992 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS24785 JOINTTRANSIT-AS - Broadband Hosting B.V., NL Netherlands 4,864 34,359,738,368 IPv4 IPv4 IPv6 IPv6
AS34428 EIGHTROUTE - Giulio Lo Presti, IT Italy 512 68,719,476,736 IPv4 IPv4
AS37721 Virtual-Technologies-Solutions-SA - Virtual Technologies & Solutions, BF Burkina Faso 15,872 8,589,934,592 IPv4 IPv4
AS42295 TBISS-AS - TBISS Ltd, BG Bulgaria 1,792 4,295,032,832 IPv4 IPv4
AS999 CORIX-999 - CORIX NETWORKS, US United States 70,144 4,295,032,834 IPv4 IPv4
AS3399 OBE-NET - Obenet AB, SE Sweden 25,344 38,654,771,200 IPv4 IPv4 IPv6 IPv6
AS25091 IP-Max - IP-Max SA, CH Switzerland 15,104 68,719,607,808 IPv4 IPv4 IPv6 IPv6
AS37100 SEACOM-AS - SEACOM Limited, MU Mauritius 1,072,896 12,884,901,888 IPv4 IPv4
AS39120 CONVERGENZE-AS - Convergenze S.p.A., IT Italy 42,496 17,179,869,184 IPv4 IPv4
AS60539 Huicast_Telecom - Huicast Telecom Limited, HK Hong Kong 256 34,359,803,904 IPv4 IPv4 IPv6 IPv6
AS60602 INOVARE-AS - Inovare-Prim SRL, MD Moldova 3,584 4,294,967,296 IPv4 IPv4
AS61568 ALOO TELECOM - FSF TECNOLOGIA SA, BR Brazil 12,544 4,295,032,832 IPv4 IPv4
AS49434 FBWNETWORKS - FBW NETWORKS SAS, FR France 8,960 94,489,280,512 IPv4 IPv4
AS49544 i3Dnet - i3D.net B.V, NL Netherlands 116,992 356,753,080,320 IPv4 IPv4 IPv6 IPv6
AS56987 AS-ABACLOUDA - ABACLOUDA SAS, FR France 1,280 34,359,738,368 IPv4 IPv4
AS137409 GSLNETWORKS-AS-AP - GSL Networks Pty LTD, AU Australia 140,800 77,423,378,434 IPv4 IPv4 IPv6 IPv6
AS1031 PEER1-1031 - PEER 1031 LLC, US United States 256 4,294,967,299 IPv4 IPv4
AS20932 SIG-ST - Services Industriels de Geneve, CH Switzerland 9,472 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS39351 ESAB-AS - 31173 Services AB, SE Sweden 14,592 12,886,081,536 IPv4 IPv4 IPv6 IPv6
AS209823 ENKI-AS - Enki Multimedia EURL, FR France 768 4,295,360,512 IPv4 IPv4 IPv6 IPv6
AS1000 LINK-AMERICAN - LINK AMERICAN, US United States 0 0 IPv4 IPv4
AS5405 INTERDOTLINK - Inter.link GmbH, DE Germany 3,072 34,359,738,368 IPv4 IPv4 IPv6 IPv6
AS53062 GGNET TELECOMUNICACOES LTDA, BR Brazil 28,416 4,848,746,496 IPv4 IPv4
AS14840 BR.Digital Telecom, BR Brazil 72,960 14,010,613,760 IPv4 IPv4
AS37468 ANGOLA-CABLES - Angola Cables, AO Angola 9,472 42,949,672,960 IPv4 IPv4
AS50263 IXP-1-IX-EU - A-Systems Sp. z o.o., PL Poland 256 0 IPv4 IPv4 IPv6 IPv6
AS Description Country / Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS201801 ZEROSPACE - Christian Wittenberg trading as Zerospace Cloud, NL Netherlands 256 524,288 IPv4 IPv4 IPv6 IPv6
AS211593 hnielsen-networks - HNielsen Technologies ApS, DK Denmark 768 65,536 IPv4 IPv4 IPv6 IPv6
AS213535 YOTTASRC - YottaSrc, SA Saudi Arabia 13,568 5,963,776 IPv4 IPv4 IPv6 IPv6

Peers at this Exchange Point

Country / Region IX IPv4 IPv6 Port Speed Updated
Netherlands LSIX - LayerSwitch Internet Exchange 185.1.32.98 2001:7f8:8f::a505:7758:1 10 Gbps 2025-04-15 10:31:20
Netherlands Speed-IX - Speed Internet Exchange 185.1.223.28 2001:7f8:b7::a505:7758:1 10 Gbps 2026-03-25 02:34:28
Netherlands GNM-IX - GNM Internet Exchange 178.18.237.99 2a03:5f80:4:2::237:99 100 Gbps 2026-07-29 00:25:08
Netherlands NL-ix - Neutral Internet Exchange 193.239.116.182 2001:7f8:13::a505:7758:1 100 Gbps 2026-03-25 00:17:40
Poland 1-IX EU - 1-IX Internet Exchange Europe 185.0.43.106 2001:7f8:115:1::1:106 100 Gbps 2026-08-22 02:17:48
Netherlands Frys-IX - The Frisian Internet Exchange 185.1.160.19 2001:7f8:10f::e19e:19 100 Gbps 2026-03-25 03:33:25
Netherlands 1-NL FREE - 1-NL Internet Exchange Netherlands 185.0.2.38 2001:7f8:16d::38 100 Gbps 2026-08-22 03:05:23

Private Peering Facilities

Country / Region Name City Website Updated
NIKHEF Amsterdam Amsterdam http://www.nikhefhousing.nl 2023-10-10 11:43:52
NorthC Eindhoven 1 Eindhoven https://www.northcdatacenters.com/ 2022-11-28 12:48:04
NorthC Eindhoven 2 Eindhoven https://www.northcdatacenters.com/ 2025-04-15 10:31:17

Whois Record

as-block AS57370 - AS57973

as-block
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
2025-04-24T14:15:44Z
last-modified
2025-04-24T14:15:44Z
source
RIPE

aut-num AS57758

aut-num
as-name
CBWS-AS
org
ORG-CHB6-RIPE
remarks
--- Transits ---
= Cogent
= Joint Transit
= Open Peering
= True
--- Internet Exchanges ---
= Frys-IX
= NL-IX
= SPEED-IX
= LSIX - LayerSwitch Connect
--- Customers ---
= Marlin Cremers
= Zerospace Cloud
= YottaSrc
import
from AS174 accept ANY
from AS24785 accept ANY
from AS20562 accept ANY
from AS15703 accept ANY
from AS56393 accept ANY
from AS34307 accept ANY
from AS14166 accept AS-IX
from AS49917 accept AS-LSC-IXP
from AS60927 accept AS60927
from AS201801 accept AS201801
from AS213535 accept AS213535
export
to AS174 announce AS57758:AS-CBWS
to AS24785 announce AS57758:AS-CBWS
to AS20562 announce AS57758:AS-CBWS
to AS15703 announce AS57758:AS-CBWS
to AS56393 announce AS57758:AS-CBWS
to AS34307 announce AS57758:AS-CBWS
to AS14166 announce AS57758:AS-CBWS
to AS49917 announce AS57758:AS-CBWS
to AS60927 announce ANY
to AS201801 announce ANY
to AS213535 announce ANY
admin-c
CN7276-RIPE
tech-c
CN7276-RIPE
status
ASSIGNED
mnt-by
RIPE-NCC-END-MNT
MNT-CBWS
created
2016-09-14T11:47:11Z
last-modified
2026-07-31T07:50:41Z
source
RIPE

organisation ORG-CHB6-RIPE

organisation
ORG-CHB6-RIPE
org-name
CBWS Holding B.V.
country
NL
reg-nr
87377764
org-type
LIR
address
Spaarpot Oost 6B
5667KT
Geldrop
NETHERLANDS
phone
+31 (0)85 743 0374
e-mail
noc@cbws.nl
admin-c
CN7276-RIPE
tech-c
CN7276-RIPE
abuse-c
CA10156-RIPE
mnt-ref
MNT-CBWS
mnt-by
RIPE-NCC-HM-MNT
MNT-CBWS
created
2025-12-15T09:10:53Z
last-modified
2026-05-13T07:19:11Z
source
RIPE

role CBWS - NOC

role
CBWS - NOC
address
Spaarpot Oost 6b, 5667 KT Geldrop, Netherlands
e-mail
noc@cbws.nl
abuse-mailbox
abuse@cbws.nl
nic-hdl
CN7276-RIPE
mnt-by
MNT-CBWS
created
2020-11-05T12:31:26Z
last-modified
2025-12-18T13:37:13Z
source
RIPE

as-block:       AS57370 - AS57973
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:        2025-04-24T14:15:44Z
last-modified:  2025-04-24T14:15:44Z
source:         RIPE



aut-num:        AS57758
as-name:        CBWS-AS
org:            ORG-CHB6-RIPE
remarks:        --- Transits ---
remarks:
remarks:        = Cogent
import:         from AS174 accept ANY
export:         to AS174 announce AS57758:AS-CBWS
remarks:        = Joint Transit
import:         from AS24785 accept ANY
export:         to AS24785 announce AS57758:AS-CBWS
remarks:        = Open Peering
import:         from AS20562 accept ANY
export:         to AS20562 announce AS57758:AS-CBWS
remarks:        = True
import:         from AS15703 accept ANY
export:         to AS15703 announce AS57758:AS-CBWS
remarks:
remarks:        --- Internet Exchanges ---
remarks:
remarks:        = Frys-IX
import:         from AS56393 accept ANY
export:         to AS56393 announce AS57758:AS-CBWS
remarks:        = NL-IX
import:         from AS34307 accept ANY
export:         to AS34307 announce AS57758:AS-CBWS
remarks:        = SPEED-IX
import:         from AS14166 accept AS-IX
export:         to AS14166 announce AS57758:AS-CBWS
remarks:        = LSIX - LayerSwitch Connect
import:         from AS49917 accept AS-LSC-IXP
export:         to AS49917 announce AS57758:AS-CBWS
remarks:
remarks:        --- Customers ---
remarks:
remarks:        = Marlin Cremers
import:         from AS60927 accept AS60927
export:         to AS60927 announce ANY
remarks:        = Zerospace Cloud
import:         from AS201801 accept AS201801
export:         to AS201801 announce ANY
remarks:        = YottaSrc
import:         from AS213535 accept AS213535
export:         to AS213535 announce ANY
remarks:
admin-c:        CN7276-RIPE
tech-c:         CN7276-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         MNT-CBWS
created:        2016-09-14T11:47:11Z
last-modified:  2026-07-31T07:50:41Z
source:         RIPE

organisation:   ORG-CHB6-RIPE
org-name:       CBWS Holding B.V.
country:        NL
reg-nr:         87377764
org-type:       LIR
address:        Spaarpot Oost 6B
address:        5667KT
address:        Geldrop
address:        NETHERLANDS
phone:          +31 (0)85 743 0374
e-mail:         noc@cbws.nl
admin-c:        CN7276-RIPE
tech-c:         CN7276-RIPE
abuse-c:        CA10156-RIPE
mnt-ref:        MNT-CBWS
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         MNT-CBWS
created:        2025-12-15T09:10:53Z
last-modified:  2026-05-13T07:19:11Z
source:         RIPE

role:           CBWS - NOC
address:        Spaarpot Oost 6b, 5667 KT Geldrop, Netherlands
e-mail:         noc@cbws.nl
abuse-mailbox:  abuse@cbws.nl
nic-hdl:        CN7276-RIPE
mnt-by:         MNT-CBWS
created:        2020-11-05T12:31:26Z
last-modified:  2025-12-18T13:37:13Z
source:         RIPE