AS Name Org Name IPv4Prefixes IPv6Prefixes IPv4 NUMs IPv6 NUMs(/64) Registry Region LG
CTL-AS Central Technology Ltd 2 1 3,072 4,294,967,296 United Kingdom
3,072 IPv4 Addresses
CIDR Description IP Num
109.69.232.0/21 Central Technology Ltd 2048
185.191.84.0/22 Central Technology Ltd 1024
CIDR Description IP NUMs(prefix /64)
2a00:1ba8::/32 Central Technology Ltd 4294967296
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS37497 Network-Platforms, ZA South Africa 14,336 4,294,967,296 IPv4 IPv4
AS39120 CONVERGENZE-AS ISP services in Italy, IT Italy 91,648 4,294,967,296 IPv4 IPv4
AS57695 MISAKA Misaka Network, Inc., US United States 7,168 43,255,070,720 IPv4 IPv4
AS263009 FORTE TELECOM LTDA., BR Brazil 3,072 4,294,967,296 IPv4 IPv4
AS6894 KDDI-EUROPE KDDI Europe Ltd., GB United Kingdom 10,752 4,294,967,296 IPv4 IPv4
AS33891 CORE-BACKBONE CORE-BACKBONE GMBH GLOBAL NETWORK, DE Germany 13,312 0 IPv4 IPv4
AS35280 ACORUS, FR France 7,168 137,438,953,472 IPv4 IPv4
AS6939 HURRICANE - Hurricane Electric LLC, US United States 524,288 282,759,440,957,440 IPv4 IPv4 IPv6 IPv6
AS35266 EXN-AS, GB United Kingdom 3,840 4,294,967,296 IPv4 IPv4
AS39122 BLACKNIGHT-AS, IE Ireland 25,856 17,179,869,184 IPv4 IPv4
AS50300 CUSTDC, GB United Kingdom 11,776 23,068,672 IPv4 IPv4
AS57463 NETIX, BG Bulgaria 256 0 IPv4 IPv4
AS62240 CLOUVIDER London, United Kingdom, GB United Kingdom 54,790 187,368,407,040 IPv4 IPv4 IPv6 IPv6
AS36351 SOFTLAYER - SoftLayer Technologies Inc., US United States 4,891,136 5,490,540,544 IPv4 IPv4
AS37721 Virtual-Technologies-Solutions-SA, BF Burkina Faso 12,288 131,072 IPv4 IPv4
AS49605 DTS-AS DTS, IT Italy 9,728 38,654,705,664 IPv4 IPv4
AS56665 TANGO-TELINDUS, LU Luxembourg 44,800 34,628,370,432 IPv4 IPv4
AS14537 CL-1379-14537 - Continent 8 LLC, US United States 38,656 8,589,934,592 IPv4 IPv4
AS39351 ESAB-AS, SE Sweden 7,168 4,295,622,656 IPv4 IPv4
AS41695 VOSTRON-AS, GB United Kingdom 10,240 4,294,967,296 IPv4 IPv4
AS207044 ENET-AS, IE Ireland 14,336 35,433,611,264 IPv4 IPv4
AS3223 VOXILITY, GB United Kingdom 83,712 45,098,008,576 IPv4 IPv4
AS28792 PUBLIC-INTERNET, GB United Kingdom 6,912 4,294,967,296 IPv4 IPv4
AS45352 IPSERVERONE-AS-AP IP ServerOne Solutions Sdn Bhd, MY Malaysia 26,624 4,563,402,752 IPv4 IPv4
AS20764 RASCOM-AS CJSC RASCOM ISP, RU Russian Federation 13,568 34,359,738,368 IPv4 IPv4
AS25160 VORBOSS_AS, GB United Kingdom 15,104 4,294,967,296 IPv4 IPv4
AS31742 SOTACONNECT Sotaconnect Network, GB United Kingdom 9,984 38,654,705,664 IPv4 IPv4
AS1267 ASN-WINDTRE IUNET, IT Italy 6,038,016 2,233,382,993,920 IPv4 IPv4
AS8560 ONEANDONE-AS Brauerstrasse 48, DE Germany 550,400 51,539,607,552 IPv4 IPv4
AS18106 VIEWQWEST-SG-AP Viewqwest Pte Ltd, SG Singapore 51,456 12,884,901,888 IPv4 IPv4
AS31463 FOURD-AS, GB United Kingdom 37,120 42,983,292,928 IPv4 IPv4
AS34177 CELESTE-AS CELESTE - Internet services provider, FR France 57,856 34,359,738,368 IPv4 IPv4
AS37468 ANGOLA-CABLES, AO Angola 5,120 42,949,672,960 IPv4 IPv4
AS43531 IXREACH, GB United Kingdom 14,592 4,294,967,296 IPv4 IPv4
AS61955 COLOCATIONIX-AS, DE Germany 1,280 2,162,688 IPv4 IPv4
AS3327 CITIC CITIC Telecom CPC Netherlands B.V., EE Estonia 80,128 4,294,967,296 IPv4 IPv4
AS7713 TELKOMNET-AS-AP PT Telekomunikasi Indonesia, ID Indonesia 3,312,640 4,294,967,296 IPv4 IPv4
AS24516 VIRTUTEL-AS-AP Virtutel Pty Ltd, AU Australia 9,216 4,294,967,296 IPv4 IPv4
AS136620 VMHAUSLIMITED-AS-AP VMHaus Limited, GB United Kingdom 2,952 5,372,575,744 IPv4 IPv4
AS30781 JAGUAR-AS, FR France 67,584 98,784,313,344 IPv4 IPv4
AS41811 CONVERGENCE-GROUP, GB United Kingdom 25,856 4,294,967,296 IPv4 IPv4
AS5394 UNIDATA Unidata S.p.A. NOC - Italy, IT Italy 83,456 4,294,967,296 IPv4 IPv4
AS6661 EPT-LU Entreprise des P. et T. Luxembourg, LU Luxembourg 192,000 4,294,967,296 IPv4 IPv4
AS28186 ITS TELECOMUNICA??ES LTDA, BR Brazil 49,152 4,294,967,296 IPv4 IPv4
AS29075 IELO IELO Main Network, FR France 44,576 141,733,986,304 IPv4 IPv4
AS34224 NETERRA-AS, BG Bulgaria 57,088 4,294,967,296 IPv4 IPv4
AS37680 COOL-IDEAS, ZA South Africa 18,029,592 0 IPv4 IPv4
AS39533 ASYMPTO, CH Switzerland 256 1,073,741,824 IPv4 IPv4
AS57111 ALTITUD, IT Italy 2,048 34,359,738,368 IPv4 IPv4
AS1103 SURFNET-NL SURFnet, The Netherlands, NL Netherlands 6,194,944 281,509,336,514,560 IPv4 IPv4
AS16347 RMI-FITECH, FR France 100,608 98,784,903,168 IPv4 IPv4
AS28716 RETELIT-AS Internet Service Provider, IT Italy 42,240 42,949,672,960 IPv4 IPv4
AS50877 AIRBEAM-AS AIRBEAM, IT Italy 3,072 34,359,738,368 IPv4 IPv4
AS13237 LAMBDANET-AS European Backbone of AS13237, DE Germany 578,560 111,669,149,696 IPv4 IPv4
AS24482 SGGS-AS-AP SG.GS, SG Singapore 22,848 4,294,967,296 IPv4 IPv4
AS37239 ICTGLOBE, ZA South Africa 14,336 4,294,967,296 IPv4 IPv4
AS35297 DATALINE-AS, UA Ukraine 9,728 4,294,967,296 IPv4 IPv4
AS3303 SWISSCOM Swisscom (Switzerland) Ltd, CH Switzerland 3,559,936 157,035,462,656 IPv4 IPv4
AS6233 XTOM - xTom, US United States 4,352 786,432 IPv4 IPv4
AS20562 OPEN-PEERING-AS Open Peering Initiative, Amsterdam, The Netherlands, NL Netherlands 2,304 0 IPv4 IPv4
AS8896 XFIBER-AS, NO Norway 39,936 73,014,444,032 IPv4 IPv4
AS25091 IP-MAX, CH Switzerland 12,288 34,359,738,368 IPv4 IPv4
AS56730 WIREHIVE-AS, GB United Kingdom 7,168 8,589,934,592 IPv4 IPv4
AS174 COGENT-174 - Cogent Communications, US United States 27,979,520 335,597,469,696 IPv4 IPv4
AS2914 NTT-COMMUNICATIONS-2914 - NTT America, Inc., US United States 7,051,776 32,212,647,936 IPv4 IPv4 IPv6 IPv6
AS3741 IS, ZA South Africa 2,717,184 137,438,953,472 IPv4 IPv4
AS328145 Lyca-Digital-AS, ZA South Africa 1,024 4,294,967,296 IPv4 IPv4
AS37100 SEACOM-AS, MU Mauritius 1,071,360 12,884,901,888 IPv4 IPv4
AS38880 M21-AS-AP Micron21 Datacentre Pty Ltd, AU Australia 31,500 4,295,229,440 IPv4 IPv4
AS267613 ELETRONET S.A., BR Brazil 1,024 4,294,967,296 IPv4 IPv4
AS64271 RIXCLOUD-INC - rixCloud, US United States 3,840 15,569,321,984 IPv4 IPv4
AS14061 DIGITALOCEAN-ASN - DigitalOcean, LLC, US United States 2,062,576 17,629,184 IPv4 IPv4
AS20485 TRANSTELECOM Moscow, Russia, RU Russian Federation 355,328 42,949,738,496 IPv4 IPv4
AS36236 NETACTUATE - NetActuate, Inc, US United States 98,048 5,933,498,368 IPv4 IPv4
AS34288 AS34288 EDU-ZG-CH - Public Schools in the Canton of Zug, CH Switzerland 16,896 34,359,803,904 IPv4 IPv4
AS37640 CAPE-CONNECT-AS, ZA South Africa 10,240 4,294,967,296 IPv4 IPv4
AS50304 BLIX, NO Norway 42,496 459,561,762,816 IPv4 IPv4
AS58511 ANYCAST-GLOBAL-BACKBONE Anycast Global Backbone, AU Australia 8,192 4,294,967,296 IPv4 IPv4
AS15547 NETPLUS, CH Switzerland 128,256 38,654,705,664 IPv4 IPv4
AS23738 TEEMO-AS-AP Bandle City Internet, US United States 3,072 72,482,816 IPv4 IPv4
AS31500 GLOBALNET-AS, RU Russian Federation 8,964 327,680 IPv4 IPv4
IP Address Domain NUMs Domains
109.69.232.35 4 oceanair.uk.net
109.69.232.36 1 mail.central24.co.uk
109.69.232.37 2 nocsupport.co.uk
109.69.232.41 2 mx01-wkf.ct.co.uk
109.69.232.42 2 mx01-cfd.ct.co.uk
109.69.232.44 2 mx02-wkf.ct.co.uk
109.69.232.49 1 wkf-st01.ct.uk
109.69.232.50 1 nht-st01.ct.uk
109.69.232.52 1 filter02.ct.co.uk
109.69.232.61 2 ctwholesale.net

Sales: sarah@ipip.net

as-block:       AS56320 - 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:        2018-11-22T15:27:34Z
last-modified:  2018-11-22T15:27:34Z
source:         RIPE



aut-num:        AS57653
as-name:        CTL-AS
org:            ORG-CTL23-RIPE
import:         from AS39326 accept ANY
import:         from AS31727 accept ANY
export:         to AS39326 announce AS57653
export:         to AS31727 announce AS57653
admin-c:        CB3871
tech-c:         CB3871
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         MNT-CTL
created:        2011-12-29T10:26:42Z
last-modified:  2017-11-15T12:23:33Z
source:         RIPE

organisation:   ORG-CTL23-RIPE
org-name:       Central Technology Ltd
org-type:       LIR
address:        The Bridge Business Park
address:        S41 9FG
address:        Chesterfield
address:        UNITED KINGDOM
phone:          +448454138888
fax-no:         +448454138877
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        MNT-CTL
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         MNT-CTL
abuse-c:        CTLA1-RIPE
created:        2009-10-14T12:25:19Z
last-modified:  2017-02-20T16:57:32Z
source:         RIPE # Filtered

person:         Christopher Barr
address:        Central Technology Ltd, The Bridge Business Park, Chesterfield. S41 9FG
phone:          +448444489955
nic-hdl:        CB3871
mnt-by:         MNT-CTL
created:        2009-10-15T13:10:58Z
last-modified:  2010-01-07T11:29:16Z
source:         RIPE