AS Number
AS59455
AS Name
CSG-AS
Org Name
Clearstream Technology ltd
Country / Region
United Kingdom
Registry

ripe

RegDate

Updated

2024-09-03T13:31:09Z

AS59455 Looking Glass
IPv4Prefixes

8

IPv6Prefixes

2

IPv4 NUMs

5,888

IPv6 NUMs(/64)

34,359,803,904

CIDR Description IP Num
46.17.208.0/21
IRR Valid
Clearstream Technology ltd 2048
185.23.52.0/22
IRR Valid
Clearstream Technology ltd 1024
185.33.192.0/22
IRR Valid
Clearstream Technology ltd 1024
185.79.108.0/23
IRR Valid
DVS-DSL-Allocation 512
193.33.116.0/23
IRR Valid
DVS Soft Ltd 512
193.111.33.0/24
IRR Valid
DVS Soft Ltd 256
194.26.198.0/24
VOXYONDER NETWORK SERVICES UK LTD 256
222.167.193.0/24
IRR InValid
Private Customer 256
CIDR Description IP NUMs(prefix /64)
2a04:2340::/29
IRR Valid
Clearstream Technology ltd 34359738368
2a13:9500:18a::/48
Cardiff Web Development Ltd 65536
AS Description Country / Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS8801 ROCKETFIBRE - Rocket Fibre Ltd, GB United Kingdom 9,728 34,359,738,368 IPv4 IPv4 IPv6 IPv6
AS34177 CELESTE-AS - Celeste SAS, FR France 229,376 98,784,247,808 IPv4 IPv4 IPv6 IPv6
AS48362 TKSWF-AS - Stadtwerke Feldkirch, AT Austria 7,936 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS60602 INOVARE-AS - Inovare-Prim SRL, MD Moldova 3,584 4,294,967,296 IPv4 IPv4
AS61573 IP TELECOM, BR Brazil 1,024 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS39351 ESAB-AS - 31173 Services AB, SE Sweden 14,592 12,886,081,536 IPv4 IPv4
AS18106 VIEWQWEST-SG-AP - Viewqwest Pte Ltd, SG Singapore 52,992 13,153,337,344 IPv4 IPv4
AS37721 Virtual-Technologies-Solutions-SA - Virtual Technologies & Solutions, BF Burkina Faso 15,872 8,589,934,592 IPv4 IPv4 IPv6 IPv6
AS41327 FIBERTELECOM-AS - Fiber Telecom S.p.A., IT Italy 7,168 68,719,476,736 IPv4 IPv4 IPv6 IPv6
AS57463 NetIX - NetIX Communications JSC, BG Bulgaria 256 0 IPv4 IPv4
AS1299 TWELVE99 - Arelion Sweden AB, SE Sweden 412,160 77,326,843,904 IPv4 IPv4 IPv6 IPv6
AS25091 IP-Max - IP-Max SA, CH Switzerland 15,104 68,719,607,808 IPv4 IPv4 IPv6 IPv6
AS9930 TTNET-MY - TT DOTCOM SDN BHD, MY Malaysia 741,888 4,295,098,368 IPv4 IPv4
AS14840 BR.Digital Telecom, BR Brazil 72,960 14,010,613,760 IPv4 IPv4
AS49544 i3Dnet - i3D.net B.V, NL Netherlands 116,992 356,753,080,320 IPv4 IPv4 IPv6 IPv6
AS137409 GSLNETWORKS-AS-AP - GSL Networks Pty LTD, AU Australia 135,680 77,423,378,434 IPv4 IPv4 IPv6 IPv6
AS5405 INTERDOTLINK - Inter.link GmbH, DE Germany 3,072 34,359,738,368 IPv4 IPv4
AS6057 Administracion Nacional de Telecomunicaciones, UY Uruguay 2,155,520 68,719,476,736 IPv4 IPv4 IPv6 IPv6
AS12552 GlobalConnect-AS12552 - GlobalConnect AB, SE Sweden 557,824 210,454,380,544 IPv4 IPv4
AS16347 INHERENT - ADISTA SAS, FR France 250,880 390,842,023,936 IPv4 IPv4 IPv6 IPv6
AS35280 F5 - F5 Networks SARL, FR France 55,808 81,604,378,624 IPv4 IPv4 IPv6 IPv6
AS3741 NTT-DATA-Inc - Dimension Data, ZA South Africa 2,962,944 137,439,084,544 IPv4 IPv4
AS5713 SAIX-NET - Telkom SA Ltd., ZA South Africa 2,245,376 17,592,186,109,952 IPv4 IPv4
AS6939 HURRICANE - Hurricane Electric LLC, US United States 456,704 283,043,982,540,800 IPv4 IPv4
AS7195 EDGEUNO S.A.S, CO Colombia 32,000 4,274,061,312 IPv4 IPv4 IPv6 IPv6
AS12779 ITGATE - IT.Gate S.p.A., IT Italy 47,104 42,949,869,568 IPv4 IPv4 IPv6 IPv6
AS14537 CL-1379-14537 - Continent 8 LLC, US United States 65,536 12,884,901,888 IPv4 IPv4
AS37100 SEACOM-AS - SEACOM Limited, MU Mauritius 1,072,896 12,884,901,888 IPv4 IPv4 IPv6 IPv6
AS37497 Network-Platforms - Network Platforms (PTY) LTD, ZA South Africa 6,400 4,294,967,296 IPv4 IPv4
AS13237 LAMBDANET-AS - euNetworks GmbH, DE Germany 570,368 107,374,182,400 IPv4 IPv4
AS29075 IELO - IELO-LIAZO SERVICES SAS, FR France 31,232 107,374,247,936 IPv4 IPv4 IPv6 IPv6
AS30844 LIQUID-AS - Liquid Telecommunications Ltd, GB United Kingdom 370,176 38,654,705,664 IPv4 IPv4 IPv6 IPv6
AS37468 ANGOLA-CABLES - Angola Cables, AO Angola 9,472 42,949,672,960 IPv4 IPv4
AS58511 ANYCAST-GLOBAL-BACKBONE - Anycast Holdings Pty Ltd, AU Australia 22,528 8,589,934,592 IPv4 IPv4 IPv6 IPv6
AS6204 ZET-NET - INTERKVM HOST SRL, RO Romania 2,816 268,500,999 IPv4 IPv4
AS39120 CONVERGENZE-AS - Convergenze S.p.A., IT Italy 42,496 17,179,869,184 IPv4 IPv4
AS Description Country / Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS200581 TFWFIBRE-ASN - TfW Fibre Ltd, GB United Kingdom 256 34,359,738,368 IPv4 IPv4 IPv6 IPv6

Peers at this Exchange Point

Country / Region IX IPv4 IPv6 Port Speed Updated
United Kingdom LINX LON1 - London Internet Exchange Ltd. 195.66.231.21 2001:7f8:4::e83f:2 10 Gbps 2025-12-09 10:19:14

Private Peering Facilities

Country / Region Name City Website Updated
Telehouse - London (Docklands North) London http://www.telehouse.net 2016-03-14 21:19:04
as-block:       AS59392 - AS60437
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:        2024-09-03T13:31:09Z
last-modified:  2024-09-03T13:31:09Z
source:         RIPE



aut-num:        AS59455
as-name:        CSG-AS
org:            ORG-CTl25-RIPE
remarks:        Transit: Rocket Ribre
import:         from AS8801 accept ANY
export:         to AS8801 announce AS-CSG
remarks:        Transit: Arelion
import:         from AS1299 accept ANY
export:         to AS1299 announce AS-CSG
remarks:        Peer: AKAMAI
import:         from AS20940 accept ANY
export:         to AS20940 announce AS-CSG
remarks:        Peer: OVH
import:         from AS16276 accept AS-OVH
export:         to AS16276 announce AS-CSG
admin-c:        CSG-RIPE
tech-c:         CSG-RIPE
status:         ASSIGNED
mnt-by:         CSG-MNT
mnt-by:         RIPE-NCC-END-MNT
created:        2012-07-16T06:34:35Z
last-modified:  2026-02-04T14:56:34Z
source:         RIPE

organisation:   ORG-CTl25-RIPE
org-name:       Clearstream Technology ltd
country:        GB
reg-nr:         05685709
org-type:       LIR
address:        Clearstream Operation Centre,
                Station Road
address:        CF38 1AF
address:        Church Village
address:        UNITED KINGDOM
phone:          +441443800240
fax-no:         +441443813563
e-mail:         support@cloudcentres.co.uk
admin-c:        CSG-RIPE
tech-c:         CSG-RIPE
abuse-c:        CSG-RIPE
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        CSG-MNT
notify:         ripe@clearstreamgroup.co.uk
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         CSG-MNT
created:        2010-10-08T09:38:10Z
last-modified:  2026-05-13T07:33:20Z
source:         RIPE

role:           Clearstream NOC
address:        Clearstream
e-mail:         ripe@cloudcentres.co.uk
abuse-mailbox:  ripe@cloudcentres.co.uk
nic-hdl:        CSG-RIPE
admin-c:        GP9788-RIPE
admin-c:        WEBB-RIPE
tech-c:         GP9788-RIPE
tech-c:         WEBB-RIPE
mnt-by:         CSG-MNT
created:        2014-05-08T12:02:22Z
last-modified:  2026-02-20T16:46:17Z
source:         RIPE