AS Number
AS Name
Org Name
ColoCenter b.v.
Country / Region





AS58291 Looking Glass






IPv6 NUMs(/64)


7,424 IPv4 Addresses
CIDR Description IP Num
ROA Signed and Valid IRR InValid
ColoCenter b.v. 2048
ROA Signed and Valid IRR Valid
Mark Michiel Janssen trading as SIG-I/O automatisering 1024
ROA Signed and Valid IRR Valid
ColoCenter b.v. 1024
ROA Signed and Valid IRR Valid
Computest Services B.V. 1024
ROA Signed and Valid IRR Valid
ColoCenter b.v. 1024
IRR InValid
RDK IT Solutions B.V. 256
ROA Signed and Valid IRR Valid
Computest Services B.V. 1024
CIDR Description IP NUMs(prefix /64)
IRR Valid
Stefan van Westering trading as "Skywest" 65536
ROA Signed and Valid IRR Valid
Computest Services B.V. 4294967296
ROA Signed and Valid IRR Valid
ColoCenter b.v. 34359738368
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
AS137409 GSLNETWORKS-AS-AP - GSL Networks Pty LTD, AU Australia 52,736 141,751,156,736 IPv4 IPv4 IPv6 IPv6
AS9002 RETN-AS - RETN Limited, GB United Kingdom 34,048 4,294,967,296 IPv6 IPv6
AS34927 iFog-GmbH - iFog GmbH, CH Switzerland 4,096 174,850,048 IPv6 IPv6
AS24482 SGGS-AS-AP - SG.GS, SG Singapore 21,504 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS34019 HIVANE, FR France 2,816 1,245,184 IPv4 IPv4 IPv6 IPv6
AS49605 DTS-AS - Digital Telecommunication Services S.r.l., IT Italy 9,472 38,654,705,664 IPv4 IPv4
AS6057 Administracion Nacional de Telecomunicaciones, UY Uruguay 2,164,224 68,719,476,736 IPv4 IPv4 IPv6 IPv6
AS13237 LAMBDANET-AS - euNetworks GmbH, DE Germany 562,688 111,669,149,696 IPv4 IPv4 IPv6 IPv6
AS35280 F5 - F5 Networks SARL, FR France 50,432 81,604,378,624 IPv4 IPv4 IPv6 IPv6
AS37100 SEACOM-AS - SEACOM Limited, MU Mauritius 1,072,896 12,884,901,888 IPv4 IPv4 IPv6 IPv6
AS49544 i3Dnet - B.V, NL Netherlands 101,632 341,184,020,480 IPv4 IPv4 IPv6 IPv6
AS51184 FONIRA - Fonira Telekom GmbH, AT Austria 12,800 111,669,739,520 IPv4 IPv4 IPv6 IPv6
AS57866 FUSIX-AS - Fusix Networks B.V., NL Netherlands 10,496 73,014,509,568 IPv4 IPv4 IPv6 IPv6
AS61568 ALOO TELECOM - FSF TECNOLOGIA SA, BR Brazil 16,128 4,294,967,296 IPv4 IPv4
AS13030 INIT7 - Init7 (Switzerland) Ltd., CH Switzerland 113,408 103,100,579,840 IPv4 IPv4 IPv6 IPv6
AS15547 NETPLUS - SA, CH Switzerland 134,144 42,949,672,960 IPv4 IPv4
AS15605 CONNESI - Connesi s.p.a., IT Italy 21,504 17,179,869,184 IPv4 IPv4 IPv6 IPv6
AS263152 MIGO TELECOM, BR Brazil 6,144 4,294,967,296 IPv4 IPv4
AS271253 LINK BRASIL TELECOMUNICACOES LTDA, BR Brazil 4,096 4,849,991,680 IPv4 IPv4 IPv6 IPv6
AS9498 BBIL-AP - Bharti Airtel Limited, IN India 2,057,216 17,183,997,952 IPv6 IPv6
AS41327 FIBERTELECOM-AS - Fiber Telecom S.p.A., IT Italy 8,448 68,719,476,736 IPv4 IPv4 IPv6 IPv6
AS56987 AS-ABACLOUDA - ABACLOUDA SAS, FR France 1,024 34,359,738,368 IPv4 IPv4 IPv6 IPv6
AS60539 Huicast_Telecom - Huicast Telecom Limited, HK Hong Kong 256 34,359,803,904 IPv4 IPv4 IPv6 IPv6
AS3399 OBE-NET - Obenetwork AB, SE Sweden 13,568 38,654,771,200 IPv4 IPv4 IPv6 IPv6
AS8218 NEO-ASN - Zayo Infrastructure France SA, FR France 47,872 12,884,967,424 IPv4 IPv4 IPv6 IPv6
AS37662 WIOCC-AS - West Indian Ocean Cable Company, MU Mauritius 9,216 8,590,000,128 IPv4 IPv4
AS18106 VIEWQWEST-SG-AP - Viewqwest Pte Ltd, SG Singapore 53,248 13,153,337,344 IPv4 IPv4
AS58511 ANYCAST-GLOBAL-BACKBONE - Anycast Holdings Pty Ltd, AU Australia 23,552 8,589,934,592 IPv4 IPv4 IPv6 IPv6
AS140731 TOHU-OP-AP - TOHU Public Internet, CN China 256 37,814,272 IPv6 IPv6
AS20932 SIG-ST - Services Industriels de Geneve, CH Switzerland 9,472 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS29075 IELO - IELO-LIAZO SERVICES SAS, FR France 42,240 107,374,182,400 IPv4 IPv4 IPv6 IPv6
AS47787 EDGOO - EDGOO NETWORKS LLC, US United States 5,376 214,748,430,336 IPv4 IPv4 IPv6 IPv6
AS48237 MOBILY-AS - Etihad Etisalat, a joint stock company, SA Saudi Arabia 0 0 IPv4 IPv4
AS52320 GlobeNet Cabos Submarinos Colombia, S.A.S., CO Colombia 4,096 8,589,934,592 IPv4 IPv4 IPv6 IPv6
AS12552 IPO-EU - GlobalConnect AB, SE Sweden 580,096 274,879,021,056 IPv6 IPv6
AS36944 UBUNTU-UNICAST-AS - Ubuntunet Alliance For Research and Education Networking, MW Malawi 2,048 65,536 IPv6 IPv6
AS174 COGENT-174 - Cogent Communications, US United States 27,396,864 231,334,281,216 IPv4 IPv4 IPv6 IPv6
AS37468 ANGOLA-CABLES - Angola Cables, AO Angola 8,192 42,949,672,960 IPv4 IPv4 IPv6 IPv6
AS8447 A1TELEKOM-AT - A1 Telekom Austria AG, AT Austria 2,831,360 171,799,150,592 IPv6 IPv6
AS48362 TKSWF-AS - Stadtwerke Feldkirch, AT Austria 7,680 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS8966 Etisalat-AS - EMIRATES TELECOMMUNICATIONS GROUP COMPANY (ETISALAT GROUP) PJSC, AE United Arab Emirates 16,384 4,295,426,048 IPv4 IPv4
AS12637 SEEWEB - SEEWEB s.r.l., IT Italy 91,904 236,223,201,280 IPv4 IPv4 IPv6 IPv6
AS35360 GARGUNET - Frederic Gargula, CH Switzerland 1,024 34,359,738,368 IPv4 IPv4
AS47160 MOJI - MOJI SAS, FR France 5,632 34,376,515,584 IPv4 IPv4 IPv6 IPv6
AS398465 RACKDOG-LLC - Rackdog, LLC, US United States 30,208 34,628,173,824 IPv4 IPv4 IPv6 IPv6
AS1828 UNITAS - Unitas Global LLC, US United States 231,168 47,244,640,256 IPv4 IPv4 IPv6 IPv6
AS3216 SOVAM-AS - PJSC "Vimpelcom", RU Russian Federation 1,106,182 4,295,098,368 IPv4 IPv4
AS6204 RIPE-6204 - RIPE Network Coordination Centre, RO Romania 512 268,435,456 IPv4 IPv4 IPv6 IPv6
AS41666 PYRO-AS - Institute for Pyrotechnical Cleaning (limited company), FI Finland 256 131,072 IPv4 IPv4 IPv6 IPv6
AS202365 Chronos - Omer GOLGELI, TR Turkey 1,280 34,360,066,048 IPv6 IPv6
AS25091 IP-MAX - IP-Max SA, CH Switzerland 13,824 68,719,607,808 IPv4 IPv4 IPv6 IPv6
AS59890 Kabel-TV-Lampert - Kabel-TV Lampert GmbH & Co KG, AT Austria 13,312 34,359,738,368 IPv4 IPv4 IPv6 IPv6
AS63927 RISE-HK - RISE ASIA TECHNOLOGY LIMITED, HK Hong Kong 2,560 141,733,920,768 IPv4 IPv4 IPv6 IPv6
AS1031 PEER-1-INTERNET - Peer 1 Internet Service LLC, US United States 3,776 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS6939 HURRICANE - Hurricane Electric LLC, US United States 518,656 282,631,665,680,384 IPv4 IPv4 IPv6 IPv6
AS45352 IPSERVERONE-AS-AP - IP ServerOne Solutions Sdn Bhd, MY Malaysia 39,424 4,027,645,952 IPv4 IPv4
AS47147 AS-ANX - ANEXIA Internetdienstleistungs GmbH, AT Austria 1,536 196,608 IPv4 IPv4 IPv6 IPv6
AS58952 FRONTIIRCOLTD-MM - Frontiir Co., Ltd, MM Myanmar 7,168 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS559 SWITCH, CH Switzerland 2,183,936 176,093,790,208 IPv4 IPv4 IPv6 IPv6
AS12779 ITGATE - IT.Gate S.p.A., IT Italy 45,568 42,949,804,032 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 0 IPv4 IPv4
AS207489 RDKIT - RDK IT Solutions B.V., NL Netherlands 2,560 4,294,967,296 IPv4 IPv4
AS61349 MAXITEL - MaxiTEL Telecom B.V., NL Netherlands 4,608 17,179,869,184 IPv6 IPv6

Peers at this Exchange Point

Country / Region IX IPv4 IPv6 Port Speed Updated
Netherlands DATAIX - GlobalNet 2a03:5f80:4::224:185 10 Gbps 2023-03-16 09:30:03
Netherlands Speed-IX - Speed Internet Exchange 2001:7f8:b7::a505:8291:1 10 Gbps 2022-02-20 01:40:18
Netherlands AMS-IX - Amsterdam Internet Exchange 2001:7f8:1::a505:8291:2 10 Gbps 2016-09-04 16:04:20
Netherlands NL-ix - Neutral Internet Exchange 2001:7f8:13::a505:8291:1 10 Gbps 2016-09-04 16:04:20
Netherlands INTERIX - InterIX Internet Exchange Amsterdam 2001:7f8:134::5 10 Gbps 2023-01-23 07:47:05
Netherlands LSIX - LayerSwitch Internet Exchange 2001:7f8:8f::a505:8291:1 10 Gbps 2020-02-19 04:07:31
Netherlands Frys-IX - The Frisian Internet Exchange 2001:7f8:10f::e3b3:185 10 Gbps 2022-08-10 11:49:03

Private Peering Facilities

Country / Region Name City Website Updated
ColoCenter Zoetermeer Zoetermeer 2016-03-14 20:48:27
NorthC Delft Delft 2016-03-14 21:22:54
Spaanse Kubus Rotterdam Rotterdam 2016-03-14 21:22:54
NIKHEF Amsterdam Amsterdam 2016-03-14 21:22:54
Data Facilities The Hague The Hague 2016-04-18 18:05:59
Bytesnet Rotterdam Rotterdam 2018-07-09 18:41:01
IP Address Domain NUMs Domains 115 6 4 1 5 3 157 6 3
as-block:       AS57148 - 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:        2023-08-23T15:27:46Z
last-modified:  2023-08-23T15:27:46Z
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
admin-c:        AL9611-RIPE
tech-c:         AL9611-RIPE
tech-c:         MK23096-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:  2021-06-22T12:42:47Z
source:         RIPE
import:         from AS59929 accept ANY
export:         to AS59929 announce ANY

organisation:   ORG-Cb42-RIPE
org-name:       ColoCenter b.v.
country:        NL
org-type:       LIR
address:        Hofplein 33-12e
address:        3011 AJ
address:        Rotterdam
address:        NETHERLANDS
phone:          +31797113500
abuse-c:        AR16150-RIPE
tech-c:         MK23096-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:  2020-12-16T13:31:54Z
source:         RIPE

person:         Alexander Lantink
address:        Hofplein 33
address:        3011AJ Rotterdam
address:        The Netherlands
phone:          +31797113500
nic-hdl:        AL9611-RIPE
mnt-by:         A_Lantink
created:        2012-05-10T09:53:51Z
last-modified:  2018-12-28T21:10:03Z
source:         RIPE

person:         Mark Kapitein
address:        Hofplein 33
phone:          +31797113500
nic-hdl:        MK23096-RIPE
mnt-by:         A_Lantink
mnt-by:         MNT-COLO
created:        2019-12-23T11:31:02Z
last-modified:  2019-12-23T11:31:02Z
source:         RIPE