AS Number
AS58291
AS Name
ColoCenter
Org Name
ColoCenter b.v.
Country
Netherlands
Registry

ripe

RegDate

Updated

2025-04-24T14:15:44Z

AS58291 Looking Glass
IPv4Prefixes

6

IPv6Prefixes

4

IPv4 NUMs

7,168

IPv6 NUMs(/64)

42,949,738,496

7,168 IPv4 Addresses
CIDR Description IP Num
5.39.184.0/21
ROA Signed and Valid IRR InValid
ColoCenter b.v. 2048
45.11.28.0/22
ROA Signed and Valid IRR Valid
Mark Michiel Janssen trading as SIG-I/O automatisering 1024
185.79.152.0/22
ROA Signed and Valid IRR Valid
ColoCenter b.v. 1024
185.102.68.0/22
ROA Signed and Valid IRR Valid
Computest Services B.V. 1024
185.140.184.0/22
ROA Signed and Valid IRR Valid
ColoCenter b.v. 1024
213.156.28.0/22
IRR Valid
Defion Security Netherlands B.V. 1024
CIDR Description IP NUMs(prefix /64)
2001:67c:cdc::/48
IRR Valid
Stefan van Westering trading as "Skywest" 65536
2a01:4c01::/32
ROA Signed and Valid IRR Valid
Computest Services B.V. 4294967296
2a02:f640::/29
ROA Signed and Valid IRR Valid
ColoCenter b.v. 34359738368
2a0e:5700::/32
ROA Signed and Valid IRR Valid
Mark Michiel Janssen trading as SIG-I/O automatisering 4294967296
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS57866 FUSIX-AS - Fusix Networks B.V., NL Netherlands 9,728 107,374,247,936 IPv4 IPv4
AS6663 TTI-NET - Euroweb Romania S.R.L., RO Romania 39,936 6,442,450,944 IPv4 IPv4
AS20932 SIG-ST - Services Industriels de Geneve, CH Switzerland 9,472 4,294,967,296 IPv4 IPv4
AS25091 IP-Max - IP-Max SA, CH Switzerland 15,104 68,719,607,808 IPv4 IPv4 IPv6 IPv6
AS35360 GARGUNET - Frederic Gargula, CH Switzerland 1,024 34,359,738,368 IPv4 IPv4
AS49544 i3Dnet - i3D.net B.V, NL Netherlands 115,712 352,458,113,024 IPv4 IPv4 IPv6 IPv6
AS58511 ANYCAST-GLOBAL-BACKBONE - Anycast Holdings Pty Ltd, AU Australia 22,528 8,589,934,592 IPv4 IPv4
AS3399 OBE-NET - Obenet AB, SE Sweden 17,152 38,654,771,200 IPv4 IPv4 IPv6 IPv6
AS6204 ZET-NET - INTERKVM HOST SRL, RO Romania 768 268,435,456 IPv4 IPv4
AS37468 ANGOLA-CABLES - Angola Cables, AO Angola 9,472 42,949,869,568 IPv4 IPv4
AS49434 FBWNETWORKS - FBW NETWORKS SAS, FR France 5,888 94,489,280,512 IPv4 IPv4 IPv6 IPv6
AS56911 ASN-WARIAN - Warian S.R.L., IT Italy 15,104 9,395,765,248 IPv4 IPv4
AS32590 VALVE-CORPORATION - Valve Corporation, US United States 12,800 2,162,688 IPv4 IPv4 IPv6 IPv6
AS37100 SEACOM-AS - SEACOM Limited, MU Mauritius 1,072,896 12,884,901,888 IPv4 IPv4
AS174 COGENT-174 - Cogent Communications, LLC, US United States 35,928,320 221,394,632,704 IPv4 IPv4 IPv6 IPv6
AS8218 NEO-ASN - Zayo Infrastructure France SA, FR France 47,360 12,884,967,424 IPv4 IPv4 IPv6 IPv6
AS42295 TBISS-AS - TBISS Ltd, BG Bulgaria 1,536 4,295,032,832 IPv4 IPv4
AS5405 INTERDOTLINK - Inter.link GmbH, DE Germany 2,816 34,359,738,368 IPv6 IPv6
AS34019 HIVANE - Hivane Association, FR France 2,816 1,245,184 IPv4 IPv4 IPv6 IPv6
AS60539 Huicast_Telecom - Huicast Telecom Limited, HK Hong Kong 768 34,359,738,368 IPv4 IPv4
AS213753 interedge - InterEdge B.V., NL Netherlands 512 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS1031 PEER1-1031 - PEER 1031 LLC, US United States 1,280 4,294,967,296 IPv4 IPv4
AS6939 HURRICANE - Hurricane Electric LLC, US United States 578,048 282,631,665,680,384 IPv4 IPv4 IPv6 IPv6
AS37721 Virtual-Technologies-Solutions-SA - Virtual Technologies & Solutions, BF Burkina Faso 15,872 8,589,934,592 IPv4 IPv4
AS56987 AS-ABACLOUDA - ABACLOUDA SAS, FR France 1,280 34,359,738,368 IPv4 IPv4
AS209823 ENKI-AS - Enki Multimedia EURL, FR France 768 4,295,360,512 IPv4 IPv4 IPv6 IPv6
AS39351 ESAB-AS - 31173 Services AB, SE Sweden 13,824 4,312,989,696 IPv4 IPv4 IPv6 IPv6
AS41327 FIBERTELECOM-AS - Fiber Telecom S.p.A., IT Italy 7,168 68,719,476,736 IPv4 IPv4 IPv6 IPv6
AS47692 NESSUS - Nessus GmbH, AT Austria 37,120 34,359,869,440 IPv4 IPv4
AS24482 SGGS-AS-AP - SG.GS, SG Singapore 20,992 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS137409 GSLNETWORKS-AS-AP - GSL Networks Pty LTD, AU Australia 105,728 77,405,290,496 IPv4 IPv4 IPv6 IPv6
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS59929 FLEXIBELT - Flexibelt B.V., NL Netherlands 512 0 IPv4 IPv4
AS206009 kavosnl - Kinga de Vos trading as Kavos Vof, NL Netherlands 512 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS207489 RDKIT - RDK IT Solutions B.V., NL Netherlands 1,024 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS209675 AxisNetworks - Jelle Hofstee trading as AxisNetworks, NL Netherlands 256 65,536 IPv4 IPv4 IPv6 IPv6
AS61349 MAXITEL - MaxiTEL Telecom B.V., NL Netherlands 5,376 17,179,869,184 IPv6 IPv6

Peers at this Exchange Point

Country/Region IX IPv4 IPv6 Port Speed Updated
Netherlands Speed-IX - Speed Internet Exchange 185.1.222.96 2001:7f8:b7::a505:8291:1 10 Gbps 2022-02-20 01:40:18
Netherlands GNM-IX - GNM Internet Exchange 178.18.236.64 2a03:5f80:4:2::236:64 100 Gbps 2025-11-11 09:11:36
Netherlands Frys-IX - The Frisian Internet Exchange 185.1.160.185 2001:7f8:10f::e3b3:185 10 Gbps 2025-07-09 08:25:40
Netherlands INTERIX - InterIX Internet Exchange Amsterdam 185.0.1.5 2001:7f8:134::5 10 Gbps 2025-03-06 11:01:47
Netherlands ERA-IX Amsterdam - ERA-IX Amsterdam 185.1.240.23 2001:7f8:12a::23 10 Gbps 2026-01-29 10:14:36
Netherlands NL-ix - Neutral Internet Exchange 193.239.117.29 2001:7f8:13::a505:8291:1 10 Gbps 2024-11-29 10:41:45
Netherlands LSIX - LayerSwitch Internet Exchange 185.1.32.5 2001:7f8:8f::a505:8291:1 10 Gbps 2020-02-19 04:07:31

Private Peering Facilities

Country/Region Name City Website Updated
ColoCenter Zoetermeer Zoetermeer http://www.colocenter.nl 2016-03-14 20:48:27
NorthC Delft Delft https://www.northcdatacenters.com/ 2016-03-14 21:22:54
Spaanse Kubus Rotterdam Rotterdam http://www.tcnpp.com/ 2016-03-14 21:22:54
NIKHEF Amsterdam Amsterdam http://www.nikhefhousing.nl 2016-03-14 21:22:54
DFDC The Hague The Hague https://dfdc.io 2016-04-18 18:05:59
Bytesnet Rotterdam Rotterdam https://www.bytesnet.nl 2018-07-09 18:41:01
as-block:       AS57975 - AS58367
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:        AS58291
as-name:        ColoCenter
org:            ORG-Cb42-RIPE
import:         from AS174 accept ANY
export:         to AS174 announce AS58291
import:         from AS58272 accept ANY
export:         to AS58272 announce ANY
import:         from AS6939 accept ANY
export:         to AS6939 announce ANY
import:         from AS6777 accept ANY
export:         to AS6777 announce ANY
import:         from AS20562 accept ANY
export:         to AS20562 announce ANY
import:         from AS34307 accept ANY
export:         to AS34307 announce ANY
import:         from AS51942 accept ANY
export:         to AS51942 announce ANY
import:         from AS213035 accept ANY
export:         to AS213035 announce ANY
import:         from AS212591 accept ANY
export:         to AS212591 announce ANY
admin-c:        AL9611-RIPE
tech-c:         AL9611-RIPE
import:         from AS38965 accept ANY
export:         to AS38965 announce ANY
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         mnt-colo
created:        2012-06-15T13:08:24Z
last-modified:  2025-12-22T16:11:54Z
source:         RIPE
import:         from AS59929 accept ANY
export:         to AS59929 announce ANY
import:         from AS50952 accept ANY
export:         to AS50952 announce ANY
import:         from AS56584 accept ANY
export:         to AS56584 announce ANY
import:         from AS206221 accept ANY
export:         to AS206221 announce ANY
import:         from AS209675 accept ANY
export:         to AS209675 announce ANY
import:         from AS213753 accept ANY
export:         to AS213753 announce ANY

organisation:   ORG-Cb42-RIPE
org-name:       ColoCenter b.v.
country:        NL
org-type:       LIR
address:        Heliumstraat 200
address:        2718 RS
address:        Zoetermeer
address:        NETHERLANDS
phone:          +31797113500
e-mail:         info@colocenter.nl
abuse-c:        AR16150-RIPE
tech-c:         AL9611-RIPE
admin-c:        AL9611-RIPE
mnt-ref:        mnt-colo
mnt-ref:        RIPE-NCC-HM-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         MNT-COLO
created:        2012-05-10T08:57:35Z
last-modified:  2025-05-30T09:18:07Z
source:         RIPE

person:         Alexander Lantink
address:        Heliumstraat 200
address:        2718RS Zoetermeer
address:        The Netherlands
phone:          +31797113500
e-mail:         tech@colocenter.nl
nic-hdl:        AL9611-RIPE
mnt-by:         A_Lantink
created:        2012-05-10T09:53:51Z
last-modified:  2025-04-22T18:23:45Z
source:         RIPE