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

ripe

RegDate

N/A

Updated

2025-11-29T09:50:03Z

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 ColoCenter b.v. 2048
45.11.28.0/22 Mark Michiel Janssen trading as SIG-I/O automatisering 1024
185.79.152.0/22 ColoCenter b.v. 1024
185.102.68.0/22 Computest Services B.V. 1024
185.140.184.0/22 ColoCenter b.v. 1024
213.156.28.0/22 Defion Security Netherlands B.V. 1024
CIDR Description IP NUMs(prefix /64)
2001:67c:cdc::/48 Stefan van Westering trading as "Skywest" 65536
2a01:4c01::/32 Computest Services B.V. 4294967296
2a02:f640::/29 ColoCenter b.v. 34359738368
2a0e:5700::/32 Mark Michiel Janssen trading as SIG-I/O automatisering 4294967296
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS12637 SEEWEB - SEEWEB s.r.l., IT Italy 82,944 197,568,495,616 IPv6 IPv6
AS29075 IELO - IELO-LIAZO SERVICES SAS, FR France 35,584 107,374,182,400 IPv6 IPv6
AS56987 AS-ABACLOUDA - ABACLOUDA SAS, FR France 1,024 34,359,738,368 IPv6 IPv6
AS174 COGENT-174 - Cogent Communications, LLC, US United States 35,913,984 185,692,651,520 IPv6 IPv6
AS34177 CELESTE-AS - CELESTE SAS, FR France 289,792 98,784,247,808 IPv6 IPv6
AS47160 MOJI - MOJI SAS, FR France 5,376 34,393,292,800 IPv6 IPv6
AS49544 i3Dnet - i3D.net B.V, NL Netherlands 97,792 352,458,178,560 IPv6 IPv6
AS209823 ENKI-AS - Enki Multimedia EURL, FR France 768 4,295,360,512 IPv6 IPv6
AS1764 NEXTLAYER-AS - Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH, AT Austria 86,016 240,518,430,720 IPv6 IPv6
AS15605 CONNESI - Connesi s.p.a., IT Italy 20,992 17,179,869,184 IPv6 IPv6
AS24482 SGGS-AS-AP - SG.GS, SG Singapore 20,992 4,294,967,296 IPv6 IPv6
AS51184 FONIRA - Fonira Telekom GmbH, AT Austria 13,824 111,669,149,696 IPv6 IPv6
AS58511 ANYCAST-GLOBAL-BACKBONE - Anycast Holdings Pty Ltd, AU Australia 22,528 8,589,934,592 IPv6 IPv6
AS61573 IP TELECOM, BR Brazil 1,024 4,294,967,296 IPv6 IPv6
AS6057 Administracion Nacional de Telecomunicaciones, UY Uruguay 2,156,032 68,719,607,808 IPv6 IPv6
AS12779 ITGATE - IT.Gate S.p.A., IT Italy 46,336 42,949,804,032 IPv6 IPv6
AS20932 SIG-ST - Services Industriels de Geneve, CH Switzerland 9,472 4,294,967,296 IPv6 IPv6
AS559 Switch, CH Switzerland 2,184,960 176,093,790,208 IPv6 IPv6
AS9498 BBIL-AP - Bharti Airtel Limited, IN India 2,217,216 4,299,161,600 IPv6 IPv6
AS34019 HIVANE - Hivane Association, FR France 2,816 1,245,184 IPv6 IPv6
AS6939 HURRICANE - Hurricane Electric LLC, US United States 582,400 282,627,370,713,088 IPv6 IPv6
AS48362 TKSWF-AS - Stadtwerke Feldkirch, AT Austria 7,680 4,294,967,296 IPv6 IPv6
AS34927 iFog-GmbH - iFog GmbH, CH Switzerland 8,192 279,314,432 IPv6 IPv6
AS35280 F5 - F5 Networks SARL, FR France 53,760 81,604,378,624 IPv6 IPv6
AS37100 SEACOM-AS - SEACOM Limited, MU Mauritius 1,072,896 12,884,901,888 IPv6 IPv6
AS49434 FBWNETWORKS - FBW NETWORKS SAS, FR France 5,888 94,489,280,512 IPv6 IPv6
AS52320 GlobeNet Cabos Submarinos Colombia, S.A.S., CO Colombia 4,096 8,589,934,592 IPv6 IPv6
AS137409 GSLNETWORKS-AS-AP - GSL Networks Pty LTD, AU Australia 103,680 77,403,652,096 IPv6 IPv6
AS12552 GlobalConnect-AS12552 - GlobalConnect AB, SE Sweden 562,176 214,749,282,304 IPv6 IPv6
AS5405 INTERDOTLINK - Inter.link GmbH, DE Germany 2,560 34,359,738,368 IPv6 IPv6
AS8218 NEO-ASN - Zayo Infrastructure France SA, FR France 47,360 12,884,967,424 IPv6 IPv6
AS25091 IP-Max - IP-Max SA, CH Switzerland 15,104 68,719,607,808 IPv6 IPv6
AS41327 FIBERTELECOM-AS - Fiber Telecom S.p.A., IT Italy 7,168 68,719,476,736 IPv6 IPv6
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS206009 kavosnl - Kinga de Vos trading as Kavos Vof, NL Netherlands 512 4,294,967,296 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 INTERIX - InterIX Internet Exchange Amsterdam 185.0.1.5 2001:7f8:134::5 10 Gbps 2025-03-06 11:01:47
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 GNM-IX - GNM Internet Exchange 178.18.236.64 2a03:5f80:4:2::236:64 100 Gbps 2025-11-11 09:11:36
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 Frys-IX - The Frisian Internet Exchange 185.1.160.185 2001:7f8:10f::e3b3:185 10 Gbps 2025-07-09 08:25:40
Netherlands AMS-IX - Amsterdam Internet Exchange 80.249.212.148 2001:7f8:1::a505:8291:2 10 Gbps 2016-09-04 16:04:20
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
NIKHEF Amsterdam Amsterdam http://www.nikhefhousing.nl 2016-03-14 21:22:54
Spaanse Kubus Rotterdam Rotterdam http://www.tcnpp.com/ 2016-03-14 21:22:54
NorthC Delft Delft https://www.northcdatacenters.com/ 2016-03-14 21:22:54
ColoCenter Zoetermeer Zoetermeer http://www.colocenter.nl 2016-03-14 20:48:27
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:  2025-11-29T09:50:03Z
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

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