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AS50300
CUSTDC CustodianDC Limited Announcing routesAS nameCUSTDC
OrganisationMNT-CUSTODIAN
Registry (RIR)RIPE NCC
HandleAS50300
RangeAS50300
Registered16 Dec 2009
Last changed20 Mar 2026
Abuse contact[email protected]
39IPv4 prefixes
7IPv6 prefixes
61Upstreams
6Downstreams
Upstreams
| AS | Network name | Visibility |
|---|---|---|
| AS3257 | GTT-BACKBONE GTT Communications Inc. | 32336 |
| AS3356 | LEVEL3 - Level 3 Parent, LLC | 30630 |
| AS6939 | HURRICANE - Hurricane Electric LLC | 23303 |
| AS2914 | NTT-DATA-2914 - NTT America, Inc. | 14713 |
| AS174 | COGENT-174 - Cogent Communications, LLC | 13992 |
| AS9002 | RETN-AS RETN Limited | 5665 |
| AS7195 | AS7195 - EDGEUNO S.A.S | 3131 |
| AS33891 | CORE-BACKBONE Core-Backbone GmbH | 1577 |
| AS20764 | RASCOM-AS CJSC RASCOM | 1030 |
| AS37468 | Angola Cables - Angola Cables | 751 |
| AS5405 | INTERDOTLINK Inter.link GmbH | 694 |
| AS31500 | GNM-AS Global Network Management Inc | 506 |
| AS6910 | DIGI-BORDER DIGI ROMANIA S.A. | 303 |
| AS6204 | ZET-NET INTERKVM HOST SRL | 272 |
| AS13030 | INIT7 Init7 (Switzerland) Ltd. | 263 |
IPv4 prefixes (39)
193.33.198.0/24185.14.164.0/22185.32.72.0/24185.48.167.0/245.102.172.0/24109.74.255.0/24176.12.104.0/245.102.170.0/245.102.174.0/24109.74.242.0/24176.12.108.0/24176.12.105.0/24109.74.240.0/24185.48.166.0/245.102.175.0/245.102.169.0/24109.74.244.0/24109.74.249.0/24109.74.247.0/245.102.168.0/24185.48.165.0/24176.12.107.0/24185.48.164.0/24185.42.65.0/2492.118.16.0/24109.74.241.0/24109.74.246.0/24176.12.110.0/24109.74.250.0/245.102.173.0/24185.32.75.0/24109.74.243.0/245.102.171.0/24109.74.252.0/24176.12.109.0/24185.32.73.0/24109.74.248.0/24176.12.106.0/24109.74.251.0/24
IPv6 prefixes (7)
RPKI-validate all prefixes of AS50300
Contacts
| Role | Name | Handle | Email / phone | Address |
|---|---|---|---|---|
| administrative, technical | Custodian NOC | CN2008-RIPE | [email protected] | Custodian DataCentre Ltd., Maidstone TV Studios, ME14 5NZ Maidstone, UNITED KINGDOM |
| registrant | MNT-CUSTODIAN | MNT-CUSTODIAN | ||
| registrant | CustodianDC Limited | ORG-CL129-RIPE | +441622230382, +441622684411 | Unit 11 Newtons Court, Crossways Business Park, DA2 6QL, Dartford, UNITED KINGDOM |
| registrant | RIPE-NCC-END-MNT | RIPE-NCC-END-MNT | ||
| abuse | Custodian NOC | CN2008-RIPE | [email protected] | Custodian DataCentre Ltd., Maidstone TV Studios, ME14 5NZ Maidstone, UNITED KINGDOM |
| administrative, technical | James Cullum | JC12575-RIPE | +44 1622 230382 | Custodian DataCentre, Maidstone Television Studios, Kent, UK, ME14 5NZ |
| administrative, technical | Mahomed Hussein | MH7372-RIPE | +441622 230382 | Custodian DataCentre, Maidstone TV Studios, Maidstone, Kent, UK, ME14 5NZ |
| registrant | MNT-CUSTODIAN | MNT-CUSTODIAN | ||
| registrant | CustodianDC Limited | ORG-CL129-RIPE | +441622230382, +441622684411 | Unit 11 Newtons Court, Crossways Business Park, DA2 6QL, Dartford, UNITED KINGDOM |
| administrative, technical | Robert Williams | RW2316-RIPE | +44 1622 230382 | Custodian DataCentre, Maidstone Television Studios, Kent, UK, ME14 5NZ |
Raw registry response
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],
"remarks": [
{
"description": [
"=========================================================",
"| IPv4 Transit Peerings |",
"| IPv6 Transit Peerings |",
"| Exchange Point Peerings via LINX |",
"| Exchange Point Peerings via AMS-IX |",
"| Exchange Point Peerings via LonAP |",
"| Customer IPv4 Peerings |",
"| Customer IPv6 Peerings |",
"| General Contact Information |",
"for ABUSE reports [email protected]",
"for DNS requests [email protected]",
"for TECHNICAL requests [email protected]",
"for PEERING requests [email protected]",
"| (e-mails not sent to these contacts will be ignored!) |"
]
}
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},
{
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"events": [
{
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"eventDate": "2009-12-16T10:53:17Z"
},
{
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"eventDate": "2026-03-20T11:03:05Z"
}
],
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"redacted"
],
"notices": [
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]
},
{
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"description": [
"If you see inaccuracies in the results, please visit:"
],
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]
}Results come from public internet registries and live global routing data. Results are cached for up to an hour. Lookups are logged with your IP address to prevent abuse — see our Privacy Policy.