Autonomous System details

AS50300

CustodianDC Limited  ·  custodiandc.com

United Kingdom

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AS50300 – CustodianDC Limited

Field Value
Country United Kingdom
Website custodiandc.com
Hosted domains 2,963
IPv4 addresses 11,264
IPv6 addresses 426,750,814,323,964,101,200,000,000
ASN type Hosting
Registry ripe
Allocated 16 years ago on Dec 16, 2009
Updated a month ago on Mar 20, 2026

IP Ranges

Netblock Company Num of IPs
185.14.164.0/22 Clear Picture Services Limited 1,024
5.102.168.0/24 CustodianDC Limited 256
5.102.169.0/24 Akita Systems 256
5.102.170.0/24 CustodianDC Limited 256
5.102.171.0/24 CustodianDC Limited 256
5.102.172.0/24 CustodianDC Limited 256
5.102.173.0/24 CDC-ID 1814 256
5.102.174.0/24 Infotech Solutions (UK) Ltd 256
5.102.175.0/24 CustodianDC Limited 256
92.118.16.0/24 Swiftping Ltd LOW.MS London 256
109.74.240.0/24 Hosting and Managed Services 256
109.74.241.0/24 CustodianDC Limited 256
109.74.242.0/24 Akita Systems 256
109.74.243.0/24 Footwork Solutions 256
109.74.244.0/24 Akita Systems 256
109.74.246.0/24 Virtual Tin Ltd 256
109.74.247.0/24 Systems Analysis Design and Support Ltd 256
109.74.248.0/24 Vitanium Systems Ltd 256
109.74.249.0/24 AKJ 256
109.74.250.0/24 Virtual Tin 256
109.74.251.0/24 CustodianDC Limited 256
109.74.252.0/24 Vitanium Systems Ltd 256
109.74.254.0/24 CustodianDC Limited 256
109.74.255.0/24 Custodian LTD. 256
176.12.104.0/24 CustodianDC Limited 256
176.12.105.0/24 Genco Holding Inc. 256
176.12.106.0/24 KM Group 256
176.12.107.0/24 Icomera 256
176.12.108.0/24 CDC-ID 1814 256
176.12.109.0/24 CustodianDC Limited 256
176.12.110.0/24 Custodian LTD. 256
185.32.72.0/24 CustodianDC Limited 256
185.32.73.0/24 CustodianDC Limited 256
185.32.75.0/24 CustodianDC Limited 256
185.42.65.0/24 UK-UMBEE-Block-2 256
185.48.164.0/24 CustodianDC Limited 256
185.48.165.0/24 CustodianDC Limited 256
185.48.166.0/24 CustodianDC Limited 256
185.48.167.0/24 CustodianDC Limited 256
185.104.136.0/24 Icomera AB 256
193.33.198.0/24 VirtualTin Limited 256

Netblock Company
2a00:1c10:100::/40 CustodianDC Limited
2a00:1c10::/44 Custodian DataCentre
2a00:1c10:10::/44 Custodian LTD.
2a00:1c10:30::/44 CustodianDC Limited
2a00:1c10:40::/44 Byfleet and Gatwick Core and Colocation Clients
2a00:1c10:cd0::/44 Custodian LTD.
2a00:1c10:fff0::/44 Custodian LTD.
2a00:1c10:da2::/48 CustodianDC Limited
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WHOIS Details

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                                                ASHandle:       AS50300
                                                OrgID:          AS50300
                                                ASName:         AS50300
                                                ASNumber:       AS50300
                                                RegDate:        0000-00-00
                                                Updated:        0000-00-00
                                                TechHandle:     AA00-AAAA
                                                Source:         AAAA
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Hosted Domains

There are 2,963 domain names hosted across 252 IP addresses on this ASN.

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IP Address Domain Domains on this IP
185.48.165.85 ██████████ 493
185.48.165.84 ██████████ 489
185.48.165.89 ██████████ 481
109.74.241.76 ██████████ 474
109.74.246.24 ██████████ 196
176.12.106.4 ██████████ 136
185.32.72.132 ██████████ 129
185.32.73.139 ██████████ 108
109.74.248.16 ██████████ 68
109.74.241.102 ██████████ 60

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Hosted Domains API & Database

Peers

There are 1,159 peers for this ASN.

Peers Name
AS10099 China Unicom Global
AS10122 NETSTAR (SG) PTE. LTD.
AS1031 PEER 1031 LLC
AS10310 Yahoo Holdings Inc.
AS1101 IP-EEND BV
AS11019 HAProxy Technologies, Inc.
AS1103 SURF B.V.
AS11179 Aryaka Networks, Inc.
AS112 DNS-OARC
AS1126 Vancis Advanced ICT Services
AS11260 EastLink
AS1140 Stichting Internet Domeinregistratie Nederland
AS1200 Amsterdam Internet Exchange B.V.
AS12189 PhoenixNAP LLC
AS12200 Rackspace Hosting
AS12329 GLASFASER RUHR GmbH & Co. KG
AS12355 HeLi NET Telekommunikation GmbH & Co.
AS1239 Cogent Communications, LLC
AS12390 KCOM Group Limited
AS12399 q.beyond AG
AS12400 Partner Communications Ltd.
AS1241 Forthnet
AS12414 Solcon Internetdiensten B.V.
AS12440 Hughes Network Systems GmbH
AS1248 HERE Global BV
AS12491 Gilat Telecom Ltd.
AS12496 IDNet
AS12519 FastNet International Ltd
AS12552 GlobalConnect AB
AS12578 SIA Tet
AS12637 SEEWEB s.r.l.
AS12654 Reseaux IP Europeens Network Coordination Centre (RIPE NCC)
AS1267 WIND TRE S.P.A.
AS12693 e.discom Telekommunikation GmbH
AS12695 LLC Digital Network
AS12703 Pulsant (Scotland) Ltd
AS12713 OTEGlobe
AS12731 IPHH Internet Port Hamburg GmbH
AS12741 Netia SA
AS12759 Stephan Fuss trading as SoftCom Datensysteme
AS12775 JPC Infonet Ltd
AS12779 IT.Gate S.p.A.
AS12859 BIT BV
AS12874 Fastweb SpA
AS12876 Scaleway SAS
AS12888 Amadeus GmbH
AS12897 ENTEGA Medianet GmbH
AS12902 Ekco B.V.
AS12969 Vodafone Iceland
AS12993 Sabiedriba ar ierobezotu atbildibu DELSKA Latvia
AS13000 Leon Sp. z o.o.
AS13002 ISIX Communications LLP
AS13009 Redcentric Solutions Ltd
AS13030 Init7 (Switzerland) Ltd.
AS13037 Zen Internet Ltd
AS13101 TNG Stadtnetz GmbH
AS13122 Manx Telecom Trading Ltd
AS13150 CATO NETWORKS LTD
AS13194 Bite IP Network
AS131958 Tama Cable Network Co.,Ltd.
AS13208 Newtel Limited
AS13213 THG HOSTING LIMITED
AS132337 Axclusive
AS13237 euNetworks GmbH
AS13249 PRIVATE JOINT STOCK COMPANY DATAGROUP
AS13285 TalkTalk Communications Limited
AS132876 Symphony Communication (Thailand) PCL.
AS13289 Krick Management GmbH trading as iWelt GmbH + Co. KG
AS13335 Cloudflare, Inc.
AS13360 Triton Digital
AS133613 MTel telecommunication company ltd.
AS13414 Twitter Inc.
AS135391 AOFEI DATA INTERNATIONAL COMPANY LIMITED
AS136106 PT. Mega Akses Persada
AS13631 CITADEL ENTERPRISE AMERICAS LLC
AS136907 HUAWEI CLOUDS
AS137182 BLUE WIRELESS PTE LTD
AS137367 PT iForte Solusi Infotek
AS137409 GSL Networks Pty LTD
AS138322 Afghan Wireless Communication Company
AS138915 Kaopu Cloud HK Limited
AS13896 8x8, Inc.
AS139057 Edgenext Legend Dynasty Pte. Ltd.
AS139341 ACE
AS139628 Mega Truenet Communication Co., Ltd.
AS13984 SD Data Center
AS139901 Apple Communication Ltd.
AS14061 DigitalOcean, LLC
AS14127 Iland Internet Solutions Corporation
AS14340 Salesforce.com, Inc.
AS14537 Continent 8 LLC
AS14593 Space Exploration Technologies Corporation
AS14630 Invesco Group Services, Inc.
AS14840 BR.Digital Telecom
AS14907 Wikimedia Foundation Inc.
AS150329 Sensor Dynamics Pty Ltd
AS15389 P/F Telefonverkid
AS15435 DELTA Fiber Nederland B.V.
AS15447 CM.com N.V.
AS1547 INTERDNESTRKOM, Sovmestnoe Zakrytoe Aktsionernoe Obshchestvo
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ASN API & Database

Upstreams

There are 6 upstreams for this ASN.

upstreams Name
AS174 Cogent Communications, LLC
AS2914 NTT America, Inc.
AS3223 Voxility LLP
AS3257 GTT Communications Inc.
AS3356 Level 3 Parent, LLC
AS6939 Hurricane Electric LLC
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ASN API & Database

Downstreams

There are 10 downstreams for this ASN.

Downstreams Name
AS174 Cogent Communications, LLC
AS2914 NTT America, Inc.
AS31463 Redcentric Solutions Ltd
AS3257 GTT Communications Inc.
AS3356 Level 3 Parent, LLC
AS39103 Moat Homes Limited
AS43408 Orange Cyberdefense UK Limited
AS48407 TigrisNet
AS51926 PageOne Communications Ltd
AS6939 Hurricane Electric LLC
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ASN API & Database

Pingable IPs

45 IPs in this ASN replied to an ICMP ping during our most recent internet scan. Learn more.

IP Address ASN Details
176.12.108.2 AS50300 CustodianDC Limited 1.42ms from London, GB
2a00:1c10:da2:90::98 AS50300 CustodianDC Limited 0.88ms from London, GB
185.14.166.97 AS50300 CustodianDC Limited 1.06ms from London, GB
109.74.251.36 AS50300 CustodianDC Limited 1.16ms from London, GB
109.74.240.226 AS50300 CustodianDC Limited 1.14ms from London, GB
185.32.73.138 AS50300 CustodianDC Limited 1.13ms from London, GB
5.102.172.134 AS50300 CustodianDC Limited 1.14ms from London, GB
109.74.255.213 AS50300 CustodianDC Limited 0.69ms from London, GB
5.102.175.37 AS50300 CustodianDC Limited 1.10ms from London, GB
92.118.16.145 AS50300 CustodianDC Limited 0.82ms from London, GB
2a00:1c10:2:704::85 AS50300 CustodianDC Limited 1.50ms from Erith, GB
5.102.169.60 AS50300 CustodianDC Limited 1.15ms from London, GB
176.12.107.84 AS50300 CustodianDC Limited 1.08ms from London, GB
185.32.75.25 AS50300 CustodianDC Limited 1.14ms from London, GB
5.102.168.161 AS50300 CustodianDC Limited 1.26ms from London, GB
185.14.167.64 AS50300 CustodianDC Limited 1.09ms from London, GB
176.12.109.255 AS50300 CustodianDC Limited 0.86ms from London, GB
2a00:1c10:cdc:497::153 AS50300 CustodianDC Limited 0.98ms from London, GB
2a00:1c10:30:3003:aaa1:59ff:fec2:506a AS50300 CustodianDC Limited 1.09ms from London, GB
5.102.173.199 AS50300 CustodianDC Limited 1.11ms from London, GB
109.74.243.148 AS50300 CustodianDC Limited 1.16ms from London, GB
109.74.247.62 AS50300 CustodianDC Limited 1.09ms from London, GB
185.48.165.117 AS50300 CustodianDC Limited 0.79ms from London, GB
176.12.110.18 AS50300 CustodianDC Limited 0.91ms from London, GB
109.74.250.4 AS50300 CustodianDC Limited 1.07ms from London, GB

Other Pingable IPs

Below is a random selection of 25 IPs that replied to an ICMP ping during our most recent internet scan.

IP Address ASN Details
123.59.23.220 AS23724 IDC, China Telecommunications Corporation 2.39ms from Beijing, CN
69.194.228.44 AS33494 IHNetworks, LLC 0.21ms from Draper, US
34.101.22.188 AS139190 Google Asia Pacific Pte. Ltd. 0.12ms from Jakarta, ID
23.16.217.204 AS852 TELUS Communications Inc. 3.43ms from Kelowna, CA
86.179.190.140 AS2856 British Telecommunications PLC 7.62ms from London, GB
104.34.162.140 AS20001 Charter Communications Inc 5.96ms from Los Angeles, US
172.220.121.252 AS20115 Charter Communications LLC 7.75ms from Minneapolis, US
75.214.17.44 AS6167 Verizon Business 12.55ms from New York City, US
189.45.224.12 AS270814 ZAAZ PROVEDOR DE INTERNET E TELECOMUNICACOES LTDA 3.91ms from Osasco, BR
62.210.40.108 AS12876 Scaleway SAS 0.57ms from Paris, FR
44.222.171.28 AS14618 Amazon.com, Inc. 0.40ms from Reston, US
34.196.155.220 AS14618 Amazon.com, Inc. 0.25ms from Reston, US
46.147.95.252 AS42116 JSC ER-Telecom Holding 11.59ms from Samara, RU
189.238.112.236 AS8151 UNINET 15.76ms from Santiago de Queretaro, MX
217.21.227.60 AS29672 S:t Erik Kommunikation AB 1.35ms from Stockholm, SE
60.88.39.188 AS17676 SoftBank Corp. 8.47ms from Tokyo, JP
222.228.141.44 AS2519 ARTERIA Networks Corporation 2.50ms from Tokyo, JP
77.34.25.44 AS12389 PJSC Rostelecom 0.88ms from Vladivostok, RU
75.177.231.92 AS11426 Charter Communications Inc 11.00ms from Charlotte, US
76.185.108.76 AS11427 Charter Communications Inc 6.61ms from Dallas, US
135.125.16.44 AS16276 OVH SAS 0.07ms from Gravelines, FR
12.50.26.252 AS7018 AT&T Enterprises, LLC 1.51ms from Los Angeles, US
213.156.37.204 AS12874 Fastweb SpA 1.13ms from Milan, IT
128.65.26.156 AS42772 Unitary enterprise A1 3.67ms from Minsk, BY
118.168.151.108 AS3462 Data Communication Business Group 1.26ms from Taipei, TW

Traceroute

Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this ASN. Learn more.

$
traceroute -a -n -q1 -f3 185.32.73.18
traceroute to 185.32.73.18 (185.32.73.18): 64 hops max, 52 byte packets
3 [] 5.57.80.96 0.987 ms
Measurement taken from IPinfo ProbeNet in London, GB
On

Related Networks

What is an ASN?

Autonomous System Numbers (ASNs) are assigned to entities such as Internet Service Providers and other large organizations that control blocks of IP addresses. This network page, and the organization field that's shown on the main IP address information page and also returned in the geolocation API are based on the ASN.

The ASN details will often correspond to the IP address owner, but for smaller organizations it may be that organization's parent, or their ISP. Find out more about AS50300 at robtex.

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