AS Name
ASN-CENTRILOGIC-UK
Org Name
Centrilogic Ltd
Registry Region
United Kingdom
Looking Glass
IPv4Prefixes

4

IPv6Prefixes

2

IPv4 NUMs

3,072

IPv6 NUMs(/64)

34,359,738,368

3,072 IPv4 Addresses
CIDR Description IP Num
37.203.40.0/24 NET-37 256
37.203.40.0/21 Centrilogic Ltd 2048
37.203.47.0/24 Centrilogic Ltd 256
89.31.28.0/22 Centrilogic Ltd 1024
CIDR Description IP NUMs(prefix /64)
2a00:d8a0::/32 Centrilogic Ltd 4294967296
2a00:d8a0::/29 Centrilogic Ltd 34359738368
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS8560 ONEANDONE-AS - 1&1 IONOS SE, DE Germany 549,376 51,539,607,552 IPv4 IPv4 IPv6 IPv6
AS9145 EWETEL - EWE TEL GmbH, DE Germany 923,136 141,733,920,768 IPv4 IPv4
AS15830 Equinix-Connect-EMEA - TELECITYGROUP INTERNATIONAL LIMITED, GB United Kingdom 423,424 73,183,002,624 IPv4 IPv4
AS28716 RETELIT-AS - Reti Telematiche Italiane S.p.A. (Retelit S.p.A.), IT Italy 40,192 42,949,672,960 IPv4 IPv4
AS33891 CORE-BACKBONE - Core-Backbone GmbH, DE Germany 0 0 IPv4 IPv4 IPv6 IPv6
AS50300 CUSTDC - CustodianDC Limited, GB United Kingdom 12,288 23,068,672 IPv4 IPv4 IPv6 IPv6
AS51999 WhiteHat - WhiteHat 1 Limited, GB United Kingdom 256 33,554,432 IPv4 IPv4 IPv6 IPv6
AS1103 SURFNET-NL - SURFnet bv, NL Netherlands 6,223,616 281,509,336,514,560 IPv4 IPv4 IPv6 IPv6
AS136620 VMHAUSLIMITED-AS-AP - VMHaus Limited, GB United Kingdom 2,952 5,372,575,744 IPv6 IPv6
AS9002 RETN-AS - RETN Limited, GB United Kingdom 48,384 4,294,967,296 IPv6 IPv6
AS7489 HOSTUS-GLOBAL-AS - HostUS Solutions LLC, HK Hong Kong 67,840 13,972,537,344 IPv4 IPv4 IPv6 IPv6
AS8714 LINX-ROUTESRV - London Internet Exchange Ltd., GB United Kingdom 0 0 IPv4 IPv4
AS20764 RASCOM-AS - CJSC RASCOM, RU Russian Federation 13,568 38,654,771,200 IPv4 IPv4 IPv6 IPv6
AS25160 VORBOSS_AS - Vorboss Limited, GB United Kingdom 15,104 4,294,967,296 IPv4 IPv4
AS31742 SOTACONNECT - Sota Solutions Ltd., GB United Kingdom 9,984 38,654,705,664 IPv4 IPv4 IPv6 IPv6
AS39122 BLACKNIGHT-AS - Blacknight Internet Solutions Limited, IE Ireland 27,392 55,834,574,848 IPv4 IPv4 IPv6 IPv6
AS56665 TANGO-TELINDUS - Proximus Luxembourg S.A., LU Luxembourg 44,800 34,628,370,432 IPv4 IPv4
AS1820 WNET - WNET TELECOM USA Corp., US United States 34,048 4,294,967,296 IPv4 IPv4
AS62167 Tismi - Tismi BV, NL Netherlands 2,304 38,654,705,664 IPv4 IPv4 IPv6 IPv6
AS60501 SIRIUSTEC-IT - Sirius Technology SRL, IT Italy 4,864 107,374,182,400 IPv4 IPv4 IPv6 IPv6
AS7713 telkomnet-as-ap - Telekomunikasi Indonesia (PT), ID Indonesia 3,387,392 12,888,178,688 IPv4 IPv4 IPv6 IPv6
AS18106 VIEWQWEST-SG-AP - Viewqwest Pte Ltd, SG Singapore 51,456 12,884,901,888 IPv4 IPv4 IPv6 IPv6
AS37239 ICTGLOBE - ICTGlobe Management (Pty) Ltd, ZA South Africa 14,336 4,294,967,296 IPv4 IPv4
AS49605 DTS-AS - Digital Telecommunication Services S.r.l., IT Italy 9,728 38,654,705,664 IPv4 IPv4 IPv6 IPv6
AS207044 ENET-AS - Enet Telecommunications Networks Limited, IE Ireland 16,384 35,031,023,616 IPv4 IPv4 IPv6 IPv6
AS267613 , BR Brazil 1,024 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS328145 Lyca-Digital-AS - Lyca Digital NPC, ZA South Africa 1,024 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS3327 CITIC - CITIC Telecom CPC Netherlands B.V., EE Estonia 78,848 4,294,967,296 IPv4 IPv4
AS20485 TRANSTELECOM - Joint Stock Company TransTeleCom, RU Russian Federation 353,792 42,949,672,960 IPv4 IPv4
AS29075 IELO - IELO-LIAZO SERVICES SAS, FR France 47,360 141,733,986,304 IPv4 IPv4 IPv6 IPv6
AS39533 asympto - Asympto Networks Kft., CH Switzerland 512 2,147,483,648 IPv4 IPv4 IPv6 IPv6
AS55818 MCIX-AS-AP - MC-IX Matrix Internet Exchange RS-1, ID Indonesia 14,848 4,294,967,296 IPv4 IPv4
AS34779 T-2-AS - T-2, d.o.o., SI Slovenia 202,752 34,359,738,368 IPv6 IPv6
AS6894 KDDI-EUROPE - KDDI Europe Ltd, GB United Kingdom 10,752 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS35297 DATALINE-AS - Dataline LLC, UA Ukraine 9,728 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS24218 GTC-MY-PIP-AS - Global Transit Communications, MY Malaysia 66,816 8,589,934,592 IPv4 IPv4
AS14061 DIGITALOCEAN-ASN - DigitalOcean, LLC, US United States 2,274,410 17,629,184 IPv4 IPv4
AS20562 OPEN-PEERING-AS - Broadband Hosting B.V, NL Netherlands 2,304 0 IPv4 IPv4 IPv6 IPv6
AS39120 CONVERGENZE-AS - Convergenze S.p.A., IT Italy 92,672 4,294,967,296 IPv4 IPv4
AS39351 ESAB-AS - 31173 Services AB, SE Sweden 7,168 4,295,622,656 IPv4 IPv4 IPv6 IPv6
AS43531 IXREACH - IX Reach Ltd, GB United Kingdom 14,592 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS50877 AIRBEAM-AS - Airbeam S.r.l., IT Italy 3,072 34,359,738,368 IPv4 IPv4 IPv6 IPv6
AS3216 SOVAM-AS - PJSC "Vimpelcom", RU Russian Federation 1,061,226 4,294,967,296 IPv6 IPv6
AS13786 SEABRAS-1 - Seabras 1 USA, LLC, US United States 3,072 8,589,934,592 IPv4 IPv4 IPv6 IPv6
AS12779 ITGATE - IT.Gate S.p.A., IT Italy 51,968 281,509,336,449,024 IPv4 IPv4 IPv6 IPv6
AS41327 FIBERTELECOM-AS - Fiber Telecom S.p.A., IT Italy 8,192 68,719,476,736 IPv4 IPv4
AS50304 BLIX - Blix Solutions AS, NO Norway 38,912 347,892,613,120 IPv4 IPv4 IPv6 IPv6
AS4657 STARHUB-INTERNET - Starhub Internet Pte Ltd, SG Singapore 644,096 17,448,304,640 IPv4 IPv4
AS16347 RMI-FITECH - ADISTA SAS, FR France 105,728 98,784,903,168 IPv4 IPv4 IPv6 IPv6
AS28186 ITS TELECOMUNICACOES LTDA, BR Brazil 49,152 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS34224 NETERRA-AS - Neterra Ltd., BG Bulgaria 56,576 4,294,967,296 IPv4 IPv4
AS36236 NETACTUATE - NetActuate, Inc, US United States 99,328 5,933,629,440 IPv4 IPv4 IPv6 IPv6
AS60945 VELOXSERV - VeloxServ Communications Ltd, GB United Kingdom 7,424 4,295,360,512 IPv4 IPv4 IPv6 IPv6
AS62240 Clouvider - Clouvider Limited, GB United Kingdom 94,720 262,531,448,832 IPv4 IPv4 IPv6 IPv6
AS13193 ASN-NERIM - Nerim SAS, FR France 118,272 12,884,901,888 IPv4 IPv4 IPv6 IPv6
AS45352 IPSERVERONE-AS-AP - IP ServerOne Solutions Sdn Bhd, MY Malaysia 26,880 4,831,838,208 IPv4 IPv4
AS57463 NetIX - NetIX Communications Ltd., BG Bulgaria 512 0 IPv4 IPv4 IPv6 IPv6
AS263009 FORTE TELECOM LTDA., BR Brazil 3,072 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS28260 , BR Brazil 16,384 4,294,967,296 IPv4 IPv4
AS15547 NETPLUS - netplus.ch SA, CH Switzerland 128,256 38,654,705,664 IPv4 IPv4
AS24482 SGGS-AS-AP - SG.GS, SG Singapore 22,784 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS37697 webmasters - WEBMASTERS, LDA., MZ Mozambique 3,328 0 IPv4 IPv4
AS63927 RISE-HK - RISE ASIA TECHNOLOGY LIMITED, HK Hong Kong 5,120 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS5394 Unidata - UNIDATA S.p.A., IT Italy 83,456 4,294,967,296 IPv4 IPv4
AS6939 HURRICANE - Hurricane Electric LLC, US United States 514,816 282,635,155,472,384 IPv4 IPv4 IPv6 IPv6
AS16552 TIGGEE - Tiggee LLC, US United States 11,264 30,066,999,296 IPv4 IPv4 IPv6 IPv6
AS37468 ANGOLA-CABLES - Angola Cables, AO Angola 5,120 42,949,672,960 IPv4 IPv4 IPv6 IPv6
AS37640 CAPE-CONNECT-AS - Cape Connect Internet, ZA South Africa 10,240 4,294,967,296 IPv4 IPv4
AS38880 M21-AS-AP - Micron21 Datacentre Pty Ltd, AU Australia 31,500 4,295,229,440 IPv4 IPv4
AS41811 CONVERGENCE-GROUP - CONVERGENCE (GROUP NETWORKS) LIMITED, GB United Kingdom 25,856 4,294,967,296 IPv4 IPv4
AS57695 MISAKA-BACKBONE-AS - Misaka Network, Inc., US United States 4,608 9,197,191,168 IPv4 IPv4 IPv6 IPv6
AS174 COGENT-174 - Cogent Communications, US United States 27,500,032 310,095,347,712 IPv4 IPv4 IPv6 IPv6
AS28792 PUBLIC-INTERNET - Public Internet Ltd, GB United Kingdom 6,400 4,294,967,296 IPv4 IPv4
AS37680 COOL-IDEAS - Cool Ideas Service Provider (Pty) Ltd, ZA South Africa 69,632 4,294,967,296 IPv4 IPv4
AS55329 TELCOTECH-KH - Telcotech Ltd, KH Cambodia 4,096 4,294,967,296 IPv4 IPv4
AS1299 TELIANET - Telia Company AB, SE Sweden 304,128 17,605,071,732,736 IPv4 IPv4 IPv6 IPv6
AS31463 FourD-AS - 4D Data Centres Limited, GB United Kingdom 38,144 77,326,254,080 IPv4 IPv4 IPv6 IPv6
AS34927 iFog-GmbH - iFog GmbH, CH Switzerland 1,280 1,310,720 IPv4 IPv4 IPv6 IPv6
AS36351 SOFTLAYER - SoftLayer Technologies Inc., US United States 5,107,968 39,632,240,640 IPv4 IPv4
AS37721 Virtual-Technologies-Solutions-SA - Virtual Technologies & Solutions, BF Burkina Faso 12,288 131,072 IPv4 IPv4 IPv6 IPv6
AS42473 AS-ANEXIA - ANEXIA Internetdienstleistungs GmbH, AT Austria 71,168 4,300,668,928 IPv4 IPv4 IPv6 IPv6
AS58057 SECUREBIT - Securebit AG, CH Switzerland 4,864 8,592,949,248 IPv4 IPv4 IPv6 IPv6
AS58511 ANYCAST-GLOBAL-BACKBONE - ANYCAST HOLDINGS PTY LTD, AU Australia 7,936 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS25091 IP-MAX - IP-Max SA, CH Switzerland 13,312 34,359,738,368 IPv4 IPv4 IPv6 IPv6
AS12874 FASTWEB - Fastweb SpA, IT Italy 3,658,752 2,305,843,009,213,693,952 IPv6 IPv6
AS8365 MANDA - Man-da.de GmbH, DE Germany 140,544 4,295,032,832 IPv6 IPv6
AS30781 JAGUAR-AS - Jaguar Network SAS, FR France 90,368 167,503,790,080 IPv4 IPv4 IPv6 IPv6
AS34177 CELESTE-AS - CELESTE SAS, FR France 57,856 34,359,738,368 IPv4 IPv4
AS37497 Network-Platforms - Network Platforms (PTY) LTD, ZA South Africa 14,336 4,294,967,296 IPv4 IPv4
AS6661 EPT-LU - POST Luxembourg, LU Luxembourg 187,904 4,294,967,296 IPv6 IPv6
AS23738 TEEMO-AS-AP - Bandle City Internet LLC, US United States 3,328 38,928,384 IPv4 IPv4 IPv6 IPv6
AS6233 XTOM, US United States 5,376 1,179,648 IPv4 IPv4 IPv6 IPv6
AS8896 XFIBER-AS - XFIBER AS, NO Norway 41,472 77,309,411,328 IPv4 IPv4 IPv6 IPv6
AS14537 CL-1379-14537 - Continent 8 LLC, US United States 41,472 8,589,934,592 IPv4 IPv4
AS1267 ASN-WINDTRE - WIND TRE S.P.A., IT Italy 6,102,784 2,233,382,993,920 IPv4 IPv4
AS34288 AS34288 - Kantonsschule Zug, CH Switzerland 16,640 34,359,803,904 IPv4 IPv4 IPv6 IPv6
AS35266 EXN-AS - EX Networks Limited, GB United Kingdom 4,352 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS35280 ACORUS - ACORUS NETWORKS SAS, FR France 7,680 81,604,378,624 IPv4 IPv4 IPv6 IPv6
AS41695 VOSTRON-AS - VOSTRON Limited, GB United Kingdom 10,240 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS64271 RIXCLOUD-INC - rixCloud, US United States 4,352 11,542,790,144 IPv4 IPv4 IPv6 IPv6
AS31122 DIGIWEB-AS - Digiweb ltd, IE Ireland 153,344 21,474,836,480 IPv6 IPv6
AS3741 IS - Internet Solutions, ZA South Africa 2,720,512 137,438,953,472 IPv4 IPv4 IPv6 IPv6
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS33459 EVAULT-AS - EVAULT INCORPORATED, US United States 4,096 131,072 IPv4 IPv4

Peers at this Exchange Point

Country/Region IX IPv4 IPv6 Port Speed Updated
United Kingdom LINX LON1 - London Internet Exchange Ltd. 195.66.227.136 2001:7f8:4::ad2c:1 1 Gbps 2018-06-12 14:20:02
United Kingdom LINX LON2 - London Internet Exchange Ltd. 195.66.239.136 2001:7f8:4:1::ad2c:1 1 Gbps 2018-06-12 14:20:01

Private Peering Facilities

Country/Region Name City Website Updated
Equinix LD8 - London, Docklands London http://www.equinix.com/locations/ 2018-04-16 13:27:24
Telehouse - London (Docklands North) London http://www.telehouse.net 2018-04-16 14:31:43
CentriLogic Arlington (ARL) Bracknell https://www.centrilogic.com/bracknell-united-kingdom-data-center/ 2018-04-18 18:10:04
IP Address Domain NUMs Domains
37.203.40.40 10 apps2.apiheattransfer.com
37.203.40.42 7 blog.magikats.co.uk
37.203.40.60 2 loqiva.uk
as-block:       AS42383 - AS45055
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:        2018-11-22T15:27:34Z
last-modified:  2018-11-22T15:27:34Z
source:         RIPE



aut-num:        AS44332
as-name:        ASN-CENTRILOGIC-UK
org:            ORG-CL186-RIPE
import:         from AS1299 accept ANY
export:         to AS1299 announce AS44332
import:         from AS5089 accept ANY
export:         to AS5089 announce AS44332
admin-c:        GTG13-RIPE
tech-c:         GTG13-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         NO8780-MNT
created:        2016-11-17T07:40:56Z
last-modified:  2018-09-04T11:54:35Z
source:         RIPE # Filtered

organisation:   ORG-CL186-RIPE
org-name:       Centrilogic Ltd
org-type:       LIR
address:        5 Arlington Square
address:        RG12 1WA
address:        Bracknell
address:        UNITED KINGDOM
abuse-c:        CA7219-RIPE
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        NO8780-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         NO8780-MNT
created:        2012-02-09T12:02:32Z
last-modified:  2017-10-30T14:52:58Z
source:         RIPE # Filtered
phone:          +44 20300 46320

person:         Gary T. Giesen
address:        55 York Street, Suite 300, Toronto, ON M5J 1R7, Canada
phone:          +1 416-548-7020
nic-hdl:        GTG13-RIPE
mnt-by:         GTG13-MNT
created:        2016-11-15T17:55:04Z
last-modified:  2016-11-15T17:56:56Z
source:         RIPE