Free network tools
AS WHOIS
Look up an Autonomous System — holder, registry, contacts, announced IPv4/IPv6 prefixes, upstreams and downstreams.
Network Report (All-in-one) BGP Looking Glass BGP Security Check RPKI Validator BGP Hijack & Leak Monitor ASN Intelligence Internet Outages & Anomalies Country Internet Report Domain Insights IP WHOIS AS WHOIS
AS31708
COREIX-UK-AS Coreix Ltd Announcing routesAS nameCOREIX-UK-AS
OrganisationCOREIX-MNT
Registry (RIR)RIPE NCC
HandleAS31708
RangeAS31708
Registered21 Jul 2004
Last changed10 Dec 2025
Abuse contact[email protected]
23IPv4 prefixes
2IPv6 prefixes
1Upstreams
7Downstreams
Upstreams
| AS | Network name | Visibility |
|---|---|---|
| AS25577 | C4L-AS MAINFRAME & CYBERNETIC SYSTEMS LIMITED | 2593 |
Downstreams
| AS | Network name | Visibility |
|---|---|---|
| AS201862 | VMhosts-London-AS VMhosts Ltd | 389 |
| AS205373 | rightmove Rightmove Group Limited | 378 |
| AS43927 | HOSTERION HOSTERION SRL | 377 |
| AS58102 | TWODMEDIA 2Dmedia Ltd. | 377 |
| AS60103 | ACCESSPT Accesspoint Technologies Ltd | 230 |
| AS47571 | DCMANAGED Digital Craftsmen Ltd. | 229 |
| AS208524 | VITS-Hosting-Services VITS LIMITED | 228 |
IPv4 prefixes (23)
185.135.245.0/2489.187.76.0/2491.216.42.0/2431.193.168.0/2162.197.40.0/2389.187.88.0/2289.187.70.0/2385.13.192.0/1889.187.74.0/2383.142.29.0/24193.26.222.0/2489.187.80.0/2189.187.78.0/2389.187.92.0/24109.70.136.0/2189.187.94.0/2389.187.72.0/2489.187.64.0/22185.81.16.0/2262.197.50.0/2362.197.44.0/2491.92.4.0/2483.142.24.0/22
IPv6 prefixes (2)
RPKI-validate all prefixes of AS31708
Contacts
| Role | Name | Handle | Email / phone | Address |
|---|---|---|---|---|
| administrative, technical | Coreix Limited Admin | CLA13-RIPE | [email protected], +44 333 456 0247, +44 333 456 0248 | Unit 3, Trade City, Crown Road, Enfield, London, UK, EN1 1TH |
| registrant | COREIX-MNT | COREIX-MNT | ||
| registrant | Coreix Ltd | ORG-CL32-RIPE | +448452262620, +442085345111, +442085344111 | 72-76, BROADWATER STREET WEST, BN14 9DH, WORTHING, UNITED KINGDOM |
| registrant | RIPE-NCC-END-MNT | RIPE-NCC-END-MNT | ||
| abuse | Coreix Limited Admin | CLA13-RIPE | [email protected], +44 333 456 0247, +44 333 456 0248 | Unit 3, Trade City, Crown Road, Enfield, London, UK, EN1 1TH |
| registrant | COREIX-MNT | COREIX-MNT | ||
| technical | George Alexandru Dragoi | GAD40-RIPE | +44 333 456 0247 | Third Floor, Refuge House, 9-10 River Front, Enfield, London EN1 3SZ, United Kingdom |
| technical | Mansoor Bin Saeed | MbS-RIPE | +44 7852692190 | Harlow, UK |
| administrative, technical | NOC Coreix | NC900-RIPE | +44 8452 26 26 20, +44 3334 56 02 47, +44 2085 34 41 11 | Coreix Limited, Third Floor, Refuge House, 9-10 River Front, Enfield - EN1 3SZ, London, United Kingdom |
| technical | Paul Davies | PD2100-RIPE | +44 8452 26 26 20 | First Floor, Venture House, Silver Court, Watchmead, Welwyn Garden City, Hertforshire, AL7 1LT |
Raw registry response
{
"handle": "AS31708",
"startAutnum": 31708,
"endAutnum": 31708,
"name": "COREIX-UK-AS",
"status": [
"active"
],
"entities": [
{
"handle": "CLA13-RIPE",
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"fn",
[],
"text",
"Coreix Limited Admin"
],
[
"kind",
[],
"text",
"group"
],
[
"adr",
{
"label": "Unit 3, Trade City\nCrown Road\nEnfield\nLondon, UK\nEN1 1TH"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"tel",
{
"type": "voice"
},
"text",
"+44 333 456 0247"
],
[
"tel",
{
"type": "fax"
},
"text",
"+44 333 456 0248"
],
[
"email",
{
"type": "abuse"
},
"text",
"[email protected]"
]
]
],
"roles": [
"administrative",
"technical"
],
"links": [
{
"value": "https://rdap.db.ripe.net/autnum/31708",
"rel": "self",
"href": "https://rdap.db.ripe.net/entity/CLA13-RIPE"
},
{
"value": "http://www.ripe.net/data-tools/support/documentation/terms",
"rel": "copyright",
"href": "http://www.ripe.net/data-tools/support/documentation/terms"
}
],
"objectClassName": "entity"
},
{
"handle": "COREIX-MNT",
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"fn",
[],
"text",
"COREIX-MNT"
],
[
"kind",
[],
"text",
"individual"
]
]
],
"roles": [
"registrant"
],
"links": [
{
"value": "https://rdap.db.ripe.net/autnum/31708",
"rel": "self",
"href": "https://rdap.db.ripe.net/entity/COREIX-MNT"
},
{
"value": "http://www.ripe.net/data-tools/support/documentation/terms",
"rel": "copyright",
"href": "http://www.ripe.net/data-tools/support/documentation/terms"
}
],
"objectClassName": "entity"
},
{
"handle": "ORG-CL32-RIPE",
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"fn",
[],
"text",
"Coreix Ltd"
],
[
"kind",
[],
"text",
"org"
],
[
"adr",
{
"label": "72-76, BROADWATER STREET WEST\nBN14 9DH\nWORTHING\nUNITED KINGDOM"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"tel",
{
"type": "voice"
},
"text",
"+448452262620"
],
[
"tel",
{
"type": "voice"
},
"text",
"+442085345111"
],
[
"tel",
{
"type": "fax"
},
"text",
"+442085344111"
]
]
],
"roles": [
"registrant"
],
"links": [
{
"value": "https://rdap.db.ripe.net/autnum/31708",
"rel": "self",
"href": "https://rdap.db.ripe.net/entity/ORG-CL32-RIPE"
},
{
"value": "http://www.ripe.net/data-tools/support/documentation/terms",
"rel": "copyright",
"href": "http://www.ripe.net/data-tools/support/documentation/terms"
}
],
"objectClassName": "entity"
},
{
"handle": "RIPE-NCC-END-MNT",
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"fn",
[],
"text",
"RIPE-NCC-END-MNT"
],
[
"kind",
[],
"text",
"individual"
],
[
"org",
[],
"text",
"ORG-NCC1-RIPE"
]
]
],
"roles": [
"registrant"
],
"links": [
{
"value": "https://rdap.db.ripe.net/autnum/31708",
"rel": "self",
"href": "https://rdap.db.ripe.net/entity/RIPE-NCC-END-MNT"
},
{
"value": "http://www.ripe.net/data-tools/support/documentation/terms",
"rel": "copyright",
"href": "http://www.ripe.net/data-tools/support/documentation/terms"
}
],
"objectClassName": "entity"
},
{
"handle": "CLA13-RIPE",
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"fn",
[],
"text",
"Coreix Limited Admin"
],
[
"kind",
[],
"text",
"group"
],
[
"adr",
{
"label": "Unit 3, Trade City\nCrown Road\nEnfield\nLondon, UK\nEN1 1TH"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"tel",
{
"type": "voice"
},
"text",
"+44 333 456 0247"
],
[
"tel",
{
"type": "fax"
},
"text",
"+44 333 456 0248"
],
[
"email",
{
"type": "abuse"
},
"text",
"[email protected]"
]
]
],
"roles": [
"abuse"
],
"entities": [
{
"handle": "COREIX-MNT",
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"fn",
[],
"text",
"COREIX-MNT"
],
[
"kind",
[],
"text",
"individual"
]
]
],
"roles": [
"registrant"
],
"links": [
{
"value": "https://rdap.db.ripe.net/autnum/31708",
"rel": "self",
"href": "https://rdap.db.ripe.net/entity/COREIX-MNT"
},
{
"value": "http://www.ripe.net/data-tools/support/documentation/terms",
"rel": "copyright",
"href": "http://www.ripe.net/data-tools/support/documentation/terms"
}
],
"objectClassName": "entity"
},
{
"handle": "GAD40-RIPE",
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"fn",
[],
"text",
"George Alexandru Dragoi"
],
[
"kind",
[],
"text",
"individual"
],
[
"adr",
{
"label": "Third Floor, Refuge House\n9-10 River Front, Enfield\nLondon EN1 3SZ\nUnited Kingdom"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"tel",
{
"type": "voice"
},
"text",
"+44 333 456 0247"
],
[
"org",
[],
"text",
"ORG-CL18-RIPE"
]
]
],
"roles": [
"technical"
],
"links": [
{
"value": "https://rdap.db.ripe.net/autnum/31708",
"rel": "self",
"href": "https://rdap.db.ripe.net/entity/GAD40-RIPE"
},
{
"value": "http://www.ripe.net/data-tools/support/documentation/terms",
"rel": "copyright",
"href": "http://www.ripe.net/data-tools/support/documentation/terms"
}
],
"objectClassName": "entity"
},
{
"handle": "MbS-RIPE",
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"fn",
[],
"text",
"Mansoor Bin Saeed"
],
[
"kind",
[],
"text",
"individual"
],
[
"adr",
{
"label": "Harlow, UK"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"tel",
{
"type": "voice"
},
"text",
"+44 7852692190"
]
]
],
"roles": [
"technical"
],
"links": [
{
"value": "https://rdap.db.ripe.net/autnum/31708",
"rel": "self",
"href": "https://rdap.db.ripe.net/entity/MbS-RIPE"
},
{
"value": "http://www.ripe.net/data-tools/support/documentation/terms",
"rel": "copyright",
"href": "http://www.ripe.net/data-tools/support/documentation/terms"
}
],
"objectClassName": "entity"
},
{
"handle": "NC900-RIPE",
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"fn",
[],
"text",
"NOC Coreix"
],
[
"kind",
[],
"text",
"individual"
],
[
"adr",
{
"label": "Coreix Limited\nThird Floor, Refuge House\n9-10 River Front\nEnfield - EN1 3SZ\nLondon, United Kingdom"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"tel",
{
"type": "voice"
},
"text",
"+44 8452 26 26 20"
],
[
"tel",
{
"type": "voice"
},
"text",
"+44 3334 56 02 47"
],
[
"tel",
{
"type": "fax"
},
"text",
"+44 2085 34 41 11"
]
]
],
"roles": [
"administrative",
"technical"
],
"links": [
{
"value": "https://rdap.db.ripe.net/autnum/31708",
"rel": "self",
"href": "https://rdap.db.ripe.net/entity/NC900-RIPE"
},
{
"value": "http://www.ripe.net/data-tools/support/documentation/terms",
"rel": "copyright",
"href": "http://www.ripe.net/data-tools/support/documentation/terms"
}
],
"objectClassName": "entity"
},
{
"handle": "PD2100-RIPE",
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"fn",
[],
"text",
"Paul Davies"
],
[
"kind",
[],
"text",
"individual"
],
[
"adr",
{
"label": "First Floor, Venture House\nSilver Court, Watchmead\nWelwyn Garden City, Hertforshire, AL7 1LT"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"tel",
{
"type": "voice"
},
"text",
"+44 8452 26 26 20"
]
]
],
"roles": [
"technical"
],
"links": [
{
"value": "https://rdap.db.ripe.net/autnum/31708",
"rel": "self",
"href": "https://rdap.db.ripe.net/entity/PD2100-RIPE"
},
{
"value": "http://www.ripe.net/data-tools/support/documentation/terms",
"rel": "copyright",
"href": "http://www.ripe.net/data-tools/support/documentation/terms"
}
],
"objectClassName": "entity"
}
],
"objectClassName": "entity"
}
],
"remarks": [
{
"description": [
"London, Great Britain",
"---------------------------------",
"------ Transit Connections ------",
"Tiscali",
"Level3",
"Teleglobe",
"-- Partial Transit Connections --",
"Enta",
"Goscomb Technologies Ltd",
"LINX MLP",
"------- Transit Customers -------",
"ServerCity",
"IGX0",
"Digital Craftsmen AS47571",
"VITS LIMITED AS208524",
"CONVERGENT AS199143",
"--------- Private Peers ---------",
"RackCorp AS56038",
"---------- LINX Peers -----------",
"---------- LONAP Peers ----------",
"------ Peering Information ------",
"",
"Coreix Limited generally operates an open peering",
"policy where it makes engineering sense.",
"LINX Peering",
"195.66.225.58 (Foundry)",
"195.66.227.58 (Extreme)",
"2001:7f8:4:0::7bdc:1 (Foundry)",
"2001:7f8:4:1::7bdc:2 (Extreme)",
"LONAP Peering",
"193.203.5.26",
"193.203.5.27",
"2001:7f8:17::7bdc:1",
"2001:7f8:17::7bdc:2",
"IPv4/IPv6 Private peering/transit available at ...",
"- VSNL Stratford, London E15, UK",
"- Telehouse East, London E14, UK",
"Peering Requests: [email protected]",
"-----------------------------------------------------------",
"Sales: [email protected]",
"Queries or problems: [email protected]",
"SPAM or NetAbuse: [email protected]",
"For more information visit http://www.coreix.net/"
]
}
],
"links": [
{
"value": "https://rdap.db.ripe.net/autnum/31708",
"rel": "rdap-up",
"href": "https://rdap.db.ripe.net/autnums/rirSearch1/rdap-up/AS31708",
"type": "application/rdap+json"
},
{
"value": "https://rdap.db.ripe.net/autnum/31708",
"rel": "rdap-up rdap-active",
"href": "https://rdap.db.ripe.net/autnums/rirSearch1/rdap-up/AS31708?status=active",
"type": "application/rdap+json"
},
{
"value": "https://rdap.db.ripe.net/autnum/31708",
"rel": "rdap-down",
"href": "https://rdap.db.ripe.net/autnums/rirSearch1/rdap-down/AS31708",
"type": "application/rdap+json"
},
{
"value": "https://rdap.db.ripe.net/autnum/31708",
"rel": "rdap-top",
"href": "https://rdap.db.ripe.net/autnums/rirSearch1/rdap-top/AS31708",
"type": "application/rdap+json"
},
{
"value": "https://rdap.db.ripe.net/autnum/31708",
"rel": "rdap-top rdap-active",
"href": "https://rdap.db.ripe.net/autnums/rirSearch1/rdap-top/AS31708?status=active",
"type": "application/rdap+json"
},
{
"value": "https://rdap.db.ripe.net/autnum/31708",
"rel": "rdap-bottom",
"href": "https://rdap.db.ripe.net/autnums/rirSearch1/rdap-bottom/AS31708",
"type": "application/rdap+json"
},
{
"value": "https://rdap.db.ripe.net/autnum/31708",
"rel": "self",
"href": "https://rdap.db.ripe.net/autnum/31708",
"type": "application/rdap+json"
},
{
"value": "http://www.ripe.net/data-tools/support/documentation/terms",
"rel": "copyright",
"href": "http://www.ripe.net/data-tools/support/documentation/terms"
}
],
"events": [
{
"eventAction": "registration",
"eventDate": "2004-07-21T13:50:17Z"
},
{
"eventAction": "last changed",
"eventDate": "2025-12-10T09:56:23Z"
}
],
"rdapConformance": [
"nro_rdap_profile_asn_flat_0",
"rirSearch1",
"autnums",
"cidr0",
"rdap_level_0",
"nro_rdap_profile_0",
"redacted"
],
"notices": [
{
"title": "Filtered",
"description": [
"This output has been filtered."
]
},
{
"title": "Whois Inaccuracy Reporting",
"description": [
"If you see inaccuracies in the results, please visit:"
],
"links": [
{
"value": "https://rdap.db.ripe.net/autnum/31708",
"rel": "inaccuracy-report",
"href": "https://www.ripe.net/contact-form?topic=ripe_dbm&show_form=true",
"type": "text/html"
}
]
},
{
"title": "Source",
"description": [
"Objects returned came from source",
"RIPE"
]
},
{
"title": "Terms and Conditions",
"description": [
"This is the RIPE Database query service. The objects are in RDAP format."
],
"links": [
{
"value": "https://rdap.db.ripe.net/autnum/31708",
"rel": "terms-of-service",
"href": "http://www.ripe.net/db/support/db-terms-conditions.pdf",
"type": "application/pdf"
}
]
}
],
"port43": "whois.ripe.net",
"objectClassName": "autnum",
"redacted": [
{
"name": {
"description": "Personal e-mail information"
},
"reason": {
"description": "Personal data"
},
"prePath": "$.entities[?(@.handle=='CLA13-RIPE')].vcardArray[1][?(@[0]=='e-mail')]",
"method": "removal"
},
{
"name": {
"description": "Personal e-mail information"
},
"reason": {
"description": "Personal data"
},
"prePath": "$.entities[?(@.handle=='ORG-CL32-RIPE')].vcardArray[1][?(@[0]=='e-mail')]",
"method": "removal"
},
{
"name": {
"description": "Personal e-mail information"
},
"reason": {
"description": "Personal data"
},
"prePath": "$.entities[?(@.handle=='CLA13-RIPE')].vcardArray[1][?(@[0]=='e-mail')]",
"method": "removal"
}
]
}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.