AS number details

AS50300

CustodianDC Limited  ·  custodiandc.com

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  • bittorrent

AS50300 – CustodianDC Limited

Field Value
Country United Kingdom
Website custodiandc.com
Hosted domains 2,882
Number of IPv4 11,008
Number of IPv6 446,093,627,437,798,165,466,578,944
ASN type Hosting
Registry ripe
Allocated 14 years ago on Dec 16, 2009
Updated 6 years ago on Sep 04, 2018
Netblock Company Num of IPs
109.74.240.0/24 Hosting and Managed Services 256
109.74.241.0/24 CustodianDC Limited 256
109.74.242.0/24 Tribeca 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 CDC-ID 1814 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 TV Plus 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 GFS 256
176.12.110.0/24 Custodian LTD. 256
185.104.136.0/24 Icomera AB 256
185.32.72.0/24 CustodianDC Limited 256
185.32.73.0/24 CustodianDC Limited 256
185.32.74.0/24 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
193.33.198.0/24 VirtualTin Limited 256
195.60.172.0/24 Blue Telecoms 256
195.60.173.0/24 Direct Market Solutions Limited 256
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 RediNet 256
5.102.173.0/24 CustodianDC Limited 256
5.102.174.0/24 Infotech Solutions (UK) Ltd 256
5.102.175.0/24 IT3 LTD 256
92.118.16.0/24 Swiftping Ltd LOW.MS London 256
Netblock Company
2a00:1c10:100::/40 Lanmark Technical Services Ltd
2a00:1c10:10::/44 Custodian LTD.
2a00:1c10:20::/44 CustodianDC Limited
2a00:1c10:30::/44 CustodianDC Limited
2a00:1c10:40::/44 Byfleet and Gatwick Core and Colocation Clients
2a00:1c10::/44 Custodian DataCentre
2a00:1c10:cd0::/44 Custodian LTD.
2a00:1c10:da2::/48 CustodianDC Limited
2a00:1c10:fff0::/44 Custodian LTD.
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IP Ranges API

WHOIS Details

aut-num:        AS50300
as-name:        CUSTDC
org:            ORG-CL129-RIPE
remarks:        =========================================================
remarks:        | IPv4 Transit Peerings |
remarks:        =========================================================
import:         from AS174 action pref=100; accept ANY
export:         to AS174 announce AS-CUSTDC
import:         from AS2914 action pref=100; accept ANY
export:         to AS2914 announce AS-CUSTDC
import:         from AS3356 action pref=100; accept ANY
export:         to AS3356 announce AS-CUSTDC
import:         from AS5580 action pref=100; accept ANY
export:         to AS5580 announce AS-CUSTDC
import:         from AS6939 action pref=100; accept ANY
export:         to AS6939 announce AS-CUSTDC
import:         from AS31463 action pref=100; accept ANY
export:         to AS31463 announce AS-CUSTDC
import:         from AS3223 action pref=10; accept ANY
export:         to AS3223 announce AS-CUSTDC
remarks:        =========================================================
remarks:        | IPv6 Transit Peerings |
remarks:        =========================================================
mp-import:      afi ipv6.unicast from AS174 action pref=100; accept ANY;
mp-export:      afi ipv6.unicast to AS174 announce AS-CUSTDC;
mp-import:      afi ipv6.unicast from AS2914 action pref=100; accept ANY;
mp-export:      afi ipv6.unicast to AS2914 announce AS-CUSTDC;
mp-import:      afi ipv6.unicast from AS3356 action pref=100; accept ANY;
mp-export:      afi ipv6.unicast to AS3356 announce AS-CUSTDC;
mp-import:      afi ipv6.unicast from AS5880 action pref=100; accept ANY;
mp-export:      afi ipv6.unicast to AS5880 announce AS-CUSTDC;
mp-import:      afi ipv6.unicast from AS6939 action pref=100; accept ANY;
mp-export:      afi ipv6.unicast to AS6939 announce AS-CUSTDC;
mp-import:      afi ipv6.unicast from AS31463 action pref=100; accept ANY;
mp-export:      afi ipv6.unicast to AS31463 announce AS-CUSTDC;
mp-import:      afi ipv6.unicast from AS3223 action pref=10; accept ANY;
mp-export:      afi ipv6.unicast to AS3223 announce AS-CUSTDC;
remarks:        =========================================================
remarks:        | Exchange Point Peerings via LINX |
remarks:        =========================================================
export:         to AS-ANY at 195.66.224.139 announce AS-CUSTDC
mp-export:      afi ipv6.unicast to AS-ANY at 2001:7F8:4::C47C:1 announce AS-CUSTDC;
remarks:        =========================================================
remarks:        | Exchange Point Peerings via AMS-IX |
remarks:        =========================================================
export:         to AS-ANY at 80.249.211.14 announce AS-CUSTDC
mp-export:      afi ipv6.unicast to AS-ANY at 2001:7f8:1::a505:300:1 announce AS-CUSTDC;
remarks:        =========================================================
remarks:        | Exchange Point Peerings via LonAP |
remarks:        =========================================================
export:         to AS-ANY at 5.57.80.96 announce AS-CUSTDC
mp-export:      afi ipv6.unicast to AS-ANY at 2001:7f8:17::c47c:1 announce AS-CUSTDC;
remarks:        =========================================================
remarks:        | Customer IPv4 Peerings |
remarks:        =========================================================
import:         from AS31463 action pref=300; accept AS31463
import:         from AS31463 action pref=300; accept AS-4D-DC-CUSTOMERS
export:         to AS31463 announce ANY
import:         from AS33182 action pref=300; accept AS33182
import:         from AS33182 action pref=300; accept AS-DIMENOC
export:         to AS33182 announce ANY
import:         from AS51926 action pref=300; accept AS51926
export:         to AS51926 announce ANY
import:         from AS8577 action pref=300; accept AS8577
export:         to AS8577 announce ANY
import:         from AS43408 action pref=300; accept AS43408
export:         to AS43408 announce ANY
import:         from AS44971 action pref=300; accept AS44971
export:         to AS44971 announce ANY
import:         from AS48101 action pref=300; accept AS48101
export:         to AS48101 announce ANY
import:         from AS62217 action pref=300; accept AS62217
export:         to AS62217 announce ANY
import:         from AS62209 action pref=300; accept AS62209
export:         to AS62209 announce ANY
import:         from AS62428 action pref=300; accept AS62428
export:         to AS62428 announce ANY
import:         from AS42044 action pref=300; accept AS42044
export:         to AS42044 announce ANY
import:         from AS199330 action pref=300; accept AS199330
export:         to AS199330 announce ANY
import:         from AS60890 action pref=300; accept AS60890
export:         to AS60890 announce ANY
import:         from AS201303 action pref=300; accept AS201303
export:         to AS201303 announce ANY
import:         from AS201304 action pref=300; accept AS201304
export:         to AS201304 announce ANY
import:         from AS201980 action pref=300; accept AS201980
export:         to AS201980 announce ANY
import:         from AS60868 action pref=300; accept AS60868
export:         to AS60868 announce ANY
import:         from AS201657 action pref=300; accept AS201657
export:         to AS201657 announce ANY
import:         from AS203887 action pref=300; accept AS203887
export:         to AS203887 announce ANY
import:         from AS206925 action pref=300; accept AS206925
export:         to AS206925 announce ANY
remarks:        =========================================================
remarks:        | Customer IPv6 Peerings |
remarks:        =========================================================
mp-import:      afi ipv6.unicast from AS31463 action pref=300; accept AS31463;
mp-export:      afi ipv6.unicast to AS31463 announce ANY;
mp-import:      afi ipv6.unicast from AS43408 action pref=300; accept AS43408;
mp-export:      afi ipv6.unicast to AS43408 announce ANY;
mp-import:      afi ipv6.unicast from AS62217 action pref=300; accept AS62217;
mp-export:      afi ipv6.unicast to AS62217 announce ANY;
mp-import:      afi ipv6.unicast from AS42044 action pref=300; accept AS42044;
mp-export:      afi ipv6.unicast to AS42044 announce ANY;
mp-import:      afi ipv6.unicast from AS199330 action pref=300; accept AS199330;
mp-export:      afi ipv6.unicast to AS199330 announce ANY;
mp-import:      afi ipv6.unicast from AS60890 action pref=300; accept AS60890;
mp-export:      afi ipv6.unicast to AS60890 announce ANY;
mp-import:      afi ipv6.unicast from AS201303 action pref=300; accept AS201303;
mp-export:      afi ipv6.unicast to AS201303 announce ANY;
mp-import:      afi ipv6.unicast from AS201304 action pref=300; accept AS201304;
mp-export:      afi ipv6.unicast to AS201304 announce ANY;
mp-import:      afi ipv6.unicast from AS201657 action pref=300; accept AS201657;
mp-export:      afi ipv6.unicast to AS201657 announce ANY;
mp-import:      afi ipv6.unicast from AS203887 action pref=300; accept AS203887;
mp-export:      afi ipv6.unicast to AS203887 announce ANY;
mp-import:      afi ipv6.unicast from AS206925 action pref=300; accept AS206925;
mp-export:      afi ipv6.unicast to AS206925 announce ANY;
remarks:        =========================================================
remarks:        | General Contact Information |
remarks:        =========================================================
remarks:        for ABUSE reports abuse@CustodianDC.com
remarks:        for DNS requests dns@CustodianDC.com
remarks:        for TECHNICAL requests support@CustodianDC.com
remarks:        for PEERING requests peering@CustodianDC.com
remarks:        =========================================================
remarks:        | (e-mails not sent to these contacts will be ignored!) |
remarks:        =========================================================
admin-c:        CN2008-RIPE
tech-c:         CN2008-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         MNT-CUSTODIAN
created:        2009-12-16T10:53:17Z
last-modified:  2018-09-04T10:47:02Z
source:         RIPE
abuse-email:    abuse@CustodianDC.com
abuse-c:        CN2008-RIPE
abuse-org:      ORG-CL129-RIPE

organisation:   ORG-CL129-RIPE
org-name:       CustodianDC Limited
country:        GB
org-type:       LIR
address:        Vinters Business Park, New Cut Road
address:        ME14 5NZ
address:        Maidstone
address:        UNITED KINGDOM
phone:          +441622230382
fax-no:         +441622684411
e-mail:         hostmaster@custodiandc.com
admin-c:        MH7372-RIPE
admin-c:        RW2316-RIPE
admin-c:        PS14911-RIPE
admin-c:        MB38982-RIPE
admin-c:        CN2008-RIPE
abuse-c:        CN2008-RIPE
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        MNT-CUSTODIAN
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         MNT-CUSTODIAN
created:        2009-11-05T15:54:29Z
last-modified:  2020-12-16T13:29:50Z
source:         RIPE

person:         Martyn Burford
address:        Custodian DataCentre
address:        Maidstone Television Studios
address:        Kent
address:        UK
address:        ME14 5NZ
phone:          +44 1622 230382
nic-hdl:        MB38982-RIPE
mnt-by:         MNT-CUSTODIAN
created:        2015-03-19T16:28:30Z
last-modified:  2015-03-19T16:28:30Z
source:         RIPE

role:           Custodian NOC
org:            ORG-CL129-RIPE
address:        Custodian DataCentre Ltd.
address:        Maidstone TV Studios
address:        ME14 5NZ Maidstone
address:        UNITED KINGDOM
abuse-mailbox:  abuse@CustodianDC.com
e-mail:         support@custodiandc.com
nic-hdl:        CN2008-RIPE
admin-c:        MH7372-RIPE
admin-c:        PS14911-RIPE
admin-c:        RW2316-RIPE
admin-c:        MB38982-RIPE
admin-c:        PV6580-RIPE
tech-c:         MH7372-RIPE
tech-c:         PS14911-RIPE
tech-c:         RW2316-RIPE
tech-c:         MB38982-RIPE
tech-c:         PV6580-RIPE
remarks:        --------------------------------------------------
remarks:        Contact Addresses By Category:
remarks:        --------------------------------------------------
remarks:        Peering: peering@CustodianDC.com
remarks:        DNS: dns@CustodianDC.com
remarks:        Abuse: abuse@CustodianDC.com
remarks:        General Support: support@CustodianDC.com
remarks:        --------------------------------------------------
created:        2010-10-28T10:41:52Z
last-modified:  2016-06-13T14:52:27Z
source:         RIPE
mnt-by:         MNT-CUSTODIAN

person:         Mahomed Hussein
address:        Custodian DataCentre
address:        Maidstone TV Studios
address:        Maidstone
address:        Kent
address:        UK
address:        ME14 5NZ
phone:          +441622 230382
nic-hdl:        MH7372-RIPE
mnt-by:         MNT-CUSTODIAN
created:        2009-11-05T18:30:20Z
last-modified:  2009-11-05T18:33:11Z
source:         RIPE

person:         Robert Williams
address:        Custodian DataCentre
address:        Maidstone Television Studios
address:        Kent
address:        UK
address:        ME14 5NZ
e-mail:         robert@CustodianDC.com
phone:          +44 1622 230382
nic-hdl:        RW2316-RIPE
mnt-by:         MNT-CUSTODIAN
created:        2009-11-05T17:58:36Z
last-modified:  2009-11-05T18:40:15Z
source:         RIPE

person:         Pavelas Sokolovas
address:        Custodian DataCentre
address:        Maidstone Television Studios
address:        Kent
address:        UK
address:        ME14 5NZ
e-mail:         Pavelas@CustodianDC.com
phone:          +44 1622 230382
nic-hdl:        PS14911-RIPE
mnt-by:         MNT-CUSTODIAN
created:        2012-09-26T15:06:29Z
last-modified:  2012-09-26T15:06:29Z
source:         RIPE

role:           Custodian NOC
org:            ORG-CL129-RIPE
address:        Custodian DataCentre Ltd.
address:        Maidstone TV Studios
address:        ME14 5NZ Maidstone
address:        UNITED KINGDOM
abuse-mailbox:  abuse@CustodianDC.com
e-mail:         support@custodiandc.com
nic-hdl:        CN2008-RIPE
admin-c:        MH7372-RIPE
admin-c:        PS14911-RIPE
admin-c:        RW2316-RIPE
admin-c:        MB38982-RIPE
admin-c:        PV6580-RIPE
tech-c:         MH7372-RIPE
tech-c:         PS14911-RIPE
tech-c:         RW2316-RIPE
tech-c:         MB38982-RIPE
tech-c:         PV6580-RIPE
remarks:        --------------------------------------------------
remarks:        Contact Addresses By Category:
remarks:        --------------------------------------------------
remarks:        Peering: peering@CustodianDC.com
remarks:        DNS: dns@CustodianDC.com
remarks:        Abuse: abuse@CustodianDC.com
remarks:        General Support: support@CustodianDC.com
remarks:        --------------------------------------------------
created:        2010-10-28T10:41:52Z
last-modified:  2016-06-13T14:52:27Z
source:         RIPE
mnt-by:         MNT-CUSTODIAN
Get this data and more with IPinfo's Whois product - effortless access to POCs, ORGs, and Networks, for actionable intelligence.

Hosted Domains

There are 2,882 domain names hosted across 251 IP addresses on this ASN.

IP Address Domain Domains on this IP
109.74.241.76 essexlibdems.org.uk 768
185.48.165.89 essexlibdems.org.uk 484
109.74.246.18 mabaker.london 181
176.12.106.4 mdlrenewals.co.uk 166
109.74.246.4 theholidayexpert.com 141
185.32.73.139 lbsurveyors.london 127
5.102.175.106 my99.uk 94
109.74.248.16 algasan.co.uk 66
109.74.247.113 parking-at-stansted-airport.co.uk 64
109.74.241.71 signme.org.uk 56
109.74.246.6 theprintcopyshop.co.uk 47
109.74.241.245 slough-retailpark.co.uk 45
109.74.246.11 alexanderhousefp.co.uk 42
109.74.247.41 staffsupplies.co.uk 35
176.12.106.28 kentonline.co.uk 34
109.74.244.200 purecns.co.uk 29
185.32.75.84 kerrypanaggio.com 26
109.74.252.69 voters4david.org.uk 24
109.74.242.152 bcllaw.co.uk 23
176.12.106.50 spaldingeducationawards.co.uk 23
185.32.75.73 aspirationsacademies.org 20
185.32.73.83 routeonecomms.co.uk 20
176.12.104.9 the-airport-parking.co.uk 19
109.74.246.5 cultrix.it 18
109.74.241.251 hayesapartments.co.uk 18
176.12.106.6 granthamjournal.co.uk 15
5.102.172.197 eastkentwills.com 15
5.102.174.119 newforestnews.org 15
176.12.106.52 banffshireadvertiser.co.uk 13
185.32.75.66 mikewintersgill.co.uk 12
176.12.106.21 suffolknews.co.uk 12
109.74.244.43 pond.solutions 12
193.33.198.223 ukhosteddesktop.com 11
5.102.175.51 novapm.co.uk 10
109.74.243.20 digital-defence.co.uk 9
5.102.168.214 advancefm.net 9
5.102.175.198 wozair.com 9
5.102.175.201 ipcdevelopers.com 8
109.74.246.194 newstreetsquare.co.uk 8
109.74.240.62 custodiandatacentre.com 8
5.102.168.205 edisonx.net 8
5.102.172.70 jellylondon.co.uk 8
109.74.240.60 themaidstonestudios.com 7
109.74.247.136 cofounder.org.il 7
176.12.106.16 newburytoday.com 7
109.74.248.25 tvauae.com 7
5.102.174.120 rutland-mercury.co.uk 6
176.12.107.90 warburg-group.com 6
185.32.73.141 lv.capital 6
5.102.175.91 mindflexlab.com 6

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Useful for Cybersecurity

Peers

There are 1,104 peers for this ASN.

Peers Name
AS1031 Peer 1 Internet Service LLC
AS10310 Oath Holdings Inc.
AS10474 Dimension Data
AS1101 SURF B.V.
AS11019 HAProxy Technologies, Inc.
AS1103 SURF B.V.
AS11179 Aryaka Networks, Inc.
AS1126 Vancis Advanced ICT Services
AS11260 EastLink
AS1140 Stichting Internet Domeinregistratie Nederland
AS11845 Vox Telecom Ltd
AS1200 Amsterdam Internet Exchange B.V.
AS12041 Afilias, Inc.
AS12200 Rackspace Hosting
AS12290 Exonetric Consulting Ltd
AS12315 Quality Service Provider BV
AS12329 GLASFASER RUHR GmbH & Co. KG
AS12355 HeLi NET Telekommunikation GmbH & Co.
AS1239 Sprint
AS12390 KCOM GROUP LIMITED
AS12399 q.beyond AG
AS12400 Partner Communications Ltd.
AS1241 Nova Telecommunications & Media Single Member S.A
AS12414 Solcon Internetdiensten B.V.
AS12440 Hughes Network Systems GmbH
AS1248 HERE Global BV
AS12488 Krystal Hosting Ltd
AS12491 Gilat Telecom Ltd.
AS12496 Infinity Developments Limited
AS12519 FastNet International Ltd
AS12552 GlobalConnect AB
AS12576 EE Limited
AS12578 SIA Tet
AS12637 SEEWEB s.r.l.
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
AS12759 Stephan Fuss trading as SoftCom Datensysteme
AS12775 JPC Infonet Ltd
AS12779 IT.Gate S.p.A.
AS12850 IRIDEOS S.P.A.
AS12859 BIT BV
AS12874 Fastweb SpA
AS12876 SCALEWAY S.A.S.
AS12883 PRIVATE JOINT-STOCK COMPANY "FARLEP-INVEST"
AS12888 Amadeus Data Processing GmbH
AS12902 Luna.nl B.V.
AS12969 Vodafone Iceland
AS12993 SIA Digitalas Ekonomikas Attistibas Centrs
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 UAB "Bite Lietuva"
AS131958 Tama Cable Network Co.,Ltd.
AS13208 Newtel Limited
AS13213 UK-2 Limited
AS132203 Tencent Building, Kejizhongyi Avenue
AS132337 Axclusive
AS13237 euNetworks GmbH
AS13249 PRIVATE JOINT STOCK COMPANY "DATAGROUP"
AS13285 TalkTalk Communications Limited
AS132876 Symphony Communication (Thailand) PCL.
AS13335 Cloudflare, Inc.
AS13360 Triton Digital
AS13414 Twitter Inc.
AS13445 Cisco Webex LLC
AS135391 AOFEI DATA INTERNATIONAL COMPANY LIMITED
AS136106 PT. Mega Akses Persada
AS136907 HUAWEI CLOUDS
AS137367 PT iForte Solusi Infotek
AS137409 GSL Networks Pty LTD
AS13760 Uniti Fiber Holdings Inc.
AS13768 Aptum Technologies
AS138322 Afghan Wireless Communication Company
AS138915 Kaopu Cloud HK Limited
AS13896 8x8, Inc.
AS139341 ACE
AS13984 SD Data Center
AS139901 Apple Communication Ltd.
AS140443 PT Herza Digital Indonesia
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 Provider
AS148968 Falcore Investments Pty Ltd
AS14907 Wikimedia Foundation Inc.
AS15133 Edgecast Inc.
AS15435 DELTA Fiber Nederland B.V.
AS15447 CM.com N.V.
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Upstreams

There are 7 upstreams for this ASN.

upstreams Name
AS1239 Sprint
AS174 Cogent Communications
AS2914 NTT America, Inc.
AS3223 Voxility LLP
AS3257 GTT Communications Inc.
AS3356 Level 3 Parent, LLC
AS6939 Hurricane Electric LLC
Get this data and more insights on related domains, allocation dates, registry names, IP counts with IPinfo's IP-to-ASN product.

Downstreams

There are 10 downstreams for this ASN.

Downstreams Name
AS1239 Sprint
AS203678 No Problem IT Ltd
AS2914 NTT America, Inc.
AS31463 4D Data Centres Limited
AS3257 GTT Communications Inc.
AS3356 Level 3 Parent, LLC
AS39103 Moat Homes Limited
AS42044 CentralNic Ltd
AS43408 Orange Cyberdefense UK Limited
AS50930 Redinet Limited
Get this data and more insights on related domains, allocation dates, registry names, IP counts with IPinfo's IP-to-ASN product.

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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