AS Number
AS Name
Org Name
ColoCenter b.v.






AS58291 Looking Glass






IPv6 NUMs(/64)


8,448 IPv4 Addresses
CIDR Description IP Num
IRR Valid
ColoCenter b.v. 2048
ROA Signed and Valid IRR Valid
Mark Michiel Janssen trading as SIG-I/O automatisering 1024
IRR Valid
ColoCenter b.v. 1024
ROA Signed and Valid IRR Valid
Computest Services B.V. 1024
IRR Valid
ColoCenter b.v. 1024
IRR Valid
Kinga de Vos trading as Kavos Vof 1024
ROA Signed and Valid IRR Valid
RDK IT Solutiuons B.V. 256
ROA Signed and Valid IRR Valid
Computest Services B.V. 1024
CIDR Description IP NUMs(prefix /64)
ROA Signed and Valid IRR Valid
Computest Services B.V. 4294967296
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
AS18106 VIEWQWEST-SG-AP - Viewqwest Pte Ltd, SG Singapore 52,992 13,153,337,344 IPv4 IPv4
AS58952 FRONTIIRCOLTD-MM - Frontiir Co., Ltd, MM Myanmar 7,168 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS52320 GlobeNet Cabos Submarinos Colombia, S.A.S., CO Colombia 4,096 8,589,934,592 IPv4 IPv4 IPv6 IPv6
AS41666 PYRO-AS - Institute for Pyrotechnical Cleaning (limited company), FI Finland 256 131,072 IPv6 IPv6
AS202365 Chronos - Omer GOLGELI, TR Turkey 768 34,360,131,584 IPv6 IPv6
AS6057 Administracion Nacional de Telecomunicaciones, UY Uruguay 2,166,016 68,719,476,736 IPv4 IPv4 IPv6 IPv6
AS56662 EUTPNET - Marcin Gondek, PL Poland 0 1,114,112 IPv6 IPv6
AS34224 NETERRA-AS - Neterra Ltd., BG Bulgaria 43,776 4,294,967,296 IPv4 IPv4
AS36236 NETACTUATE - NetActuate, Inc, US United States 56,576 2,192,375,808 IPv4 IPv4 IPv6 IPv6
AS8218 NEO-ASN - Zayo Infrastructure France SA, FR France 52,736 8,590,721,024 IPv4 IPv4 IPv6 IPv6
AS31122 DIGIWEB-AS - Digiweb ltd, IE Ireland 155,136 21,474,836,480 IPv6 IPv6
AS29049 Delta-Telecom-AS - Delta Telecom Ltd, AZ Azerbaijan 73,216 1,310,720 IPv4 IPv4
AS60557 ALPINE-NORTH-AS - Alpine North LTD, GB United Kingdom 256 4,295,360,512 IPv6 IPv6
AS8888 XTOM - xTom Pty Ltd, AU Australia 8,192 30,065,033,216 IPv4 IPv4 IPv6 IPv6
AS211882 Aquilenet, FR France 512 4,295,032,832 IPv4 IPv4 IPv6 IPv6
AS9002 RETN-AS - RETN Limited, GB United Kingdom 32,768 4,294,967,296 IPv6 IPv6
AS34927 iFog-GmbH - iFog GmbH, CH Switzerland 2,560 120,979,456 IPv6 IPv6
AS140731 TOHU-OP-AP - Ningbo Dahuamao Information Technology Co Ltd, CN China 512 57,671,680 IPv4 IPv4 IPv6 IPv6
AS3216 SOVAM-AS - PJSC "Vimpelcom", RU Russian Federation 1,039,288 4,295,098,368 IPv4 IPv4 IPv6 IPv6
AS12969 Vodafone_Iceland - Syn hf, IS Iceland 309,760 8,589,934,592 IPv4 IPv4
AS14630 INVESCO - Invesco Group Services, Inc., US United States 7,424 38,671,482,880 IPv4 IPv4
AS14840 COMMCORP COMUNICACOES LTDA, BR Brazil 56,576 16,106,979,328 IPv4 IPv4
AS29632 NASSIST-AS - Netassist Limited, GI Gibraltar 109,056 42,950,721,536 IPv6 IPv6
AS1239 SPRINTLINK - Sprint, US United States 14,669,824 184,685,035,520 IPv4 IPv4 IPv6 IPv6
AS25160 VORBOSS_AS - Vorboss Limited, GB United Kingdom 194,560 34,359,738,368 IPv4 IPv4 IPv6 IPv6
AS50629 LWLCOM - LWLcom GmbH, DE Germany 83,712 111,670,329,344 IPv4 IPv4
AS1828 UNITAS - Unitas Global LLC, US United States 222,464 47,244,705,792 IPv4 IPv4 IPv6 IPv6
AS12552 IPO-EU - GlobalConnect AB, SE Sweden 575,744 266,288,955,392 IPv4 IPv4 IPv6 IPv6
AS137409 GSLNETWORKS-AS-AP - GSL Networks Pty LTD, AU Australia 27,136 17,179,869,184 IPv4 IPv4 IPv6 IPv6
AS205593 TaKeN - Marek Krolikowski trading as TAKEN.PL IT SERVICES Marek Krolikowski, PL Poland 0 17,825,792 IPv6 IPv6
AS6939 HURRICANE - Hurricane Electric LLC, US United States 488,192 282,631,397,507,072 IPv4 IPv4 IPv6 IPv6
AS37468 ANGOLA-CABLES - Angola Cables, AO Angola 7,168 42,949,672,960 IPv4 IPv4 IPv6 IPv6
AS58511 ANYCAST-GLOBAL-BACKBONE - ANYCAST HOLDINGS PTY LTD, AU Australia 8,192 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS7713 telkomnet-as-ap - Telekomunikasi Indonesia (PT), ID Indonesia 4,274,176 12,885,032,960 IPv4 IPv4
AS13030 INIT7 - Init7 (Switzerland) Ltd., CH Switzerland 100,608 103,100,579,840 IPv4 IPv4 IPv6 IPv6
AS3214 XTOM - xTom GmbH, DE Germany 29,952 112,106,340,352 IPv4 IPv4 IPv6 IPv6
AS34019 HIVANE, FR France 3,072 1,245,184 IPv4 IPv4 IPv6 IPv6
AS35280 F5 - F5 Networks SARL, FR France 48,128 81,604,378,624 IPv4 IPv4 IPv6 IPv6
AS36351 SOFTLAYER - SoftLayer Technologies Inc., US United States 4,412,160 39,703,085,056 IPv4 IPv4
AS36944 UBUNTU-UNICAST-AS - Ubuntunet Alliance For Research and Education Networking, MW Malawi 2,048 65,536 IPv4 IPv4
AS37662 WIOCC-AS - West Indian Ocean Cable Company, MU Mauritius 9,216 8,589,934,592 IPv4 IPv4 IPv6 IPv6
AS39122 BLACKNIGHT-AS - Blacknight Internet Solutions Limited, IE Ireland 32,768 55,834,640,384 IPv4 IPv4 IPv6 IPv6
AS8932 UCOMINT - Ucom CJSC, AM Armenia 2,048 131,072 IPv4 IPv4
AS45489 SLT-GLOBAL - Sri Lanka Telecom Ltd, LK Sri Lanka 1,536 65,536 IPv4 IPv4 IPv6 IPv6
AS57866 FUSIX-AS - Fusix Networks B.V., NL Netherlands 9,984 73,014,444,032 IPv4 IPv4 IPv6 IPv6
AS63927 RISE-HK - RISE ASIA TECHNOLOGY LIMITED, HK Hong Kong 6,912 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS200612 GulfBridgeInternational - Gulf Bridge International Inc., VG British Virgin Islands 3,072 34,360,000,512 IPv6 IPv6
AS206064 ALPINE-NORTH-NETWORK - Alpine North LTD, GB United Kingdom 0 0 IPv6 IPv6
AS12779 ITGATE - IT.Gate S.p.A., IT Italy 45,056 42,949,738,496 IPv4 IPv4 IPv6 IPv6
AS45352 IPSERVERONE-AS-AP - IP ServerOne Solutions Sdn Bhd, MY Malaysia 38,144 4,027,580,416 IPv4 IPv4
AS48237 MOBILY-AS - Etihad Etisalat, a joint stock company, SA Saudi Arabia 0 0 IPv4 IPv4
AS62167 Tismi - Tismi BV, NL Netherlands 3,072 8,589,934,592 IPv4 IPv4 IPv6 IPv6
AS57406 Zero-Distance - Zero Distance LLC, US United States 768 393,216 IPv6 IPv6
AS174 COGENT-174 - Cogent Communications, US United States 27,253,248 228,879,368,192 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
AS207489 RDKIT - RDK IT Solutions B.V., NL Netherlands 1,024 4,294,967,296 IPv4 IPv4
AS213035 AS-SERVERION - Des Capital B.V., NL Netherlands 15,360 34,359,934,976 IPv4 IPv4
AS61349 MAXITEL - MaxiTEL Telecom B.V., NL Netherlands 4,864 17,179,869,184 IPv6 IPv6
AS38965 HOSTIN - Rick van der Sterren trading as HostIn, NL Netherlands 512 4,296,015,872 IPv4 IPv4

Peers at this Exchange Point

Country/Region IX IPv4 IPv6 Port Speed Updated
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
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 Speed-IX - Speed Internet Exchange 2001:7f8:b7::a505:8291:1 10 Gbps 2022-02-20 01:40:18
Netherlands INTERIX - InterIX Internet Exchange Amsterdam 2001:7f8:134::5 10 Gbps 2023-01-23 07:47:05

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 123 3 2 1 6 3 136
as-block:       AS56444 - 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:        2023-01-23T16:09:02Z
last-modified:  2023-01-23T16:09:02Z
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