Organization
Tucows.com Co.
TUCOWS-TRS-V6-BLK1
Location
London
England, United Kingdom (GB)
Hostname
—
Geolocation
United Kingdom (GB) United Kingdom
- Country
- United Kingdom (GB)
- Region
- England
- City
- London
- Continent
- Europe
- Coordinates
- 51.5072, -0.1276 View on map ↗
Network Information
IP Range 2620:57:4000:: – 2620:57:40ff:ffff:ffff:ffff:ffff:ffff CIDR 2620:57:4000::/40 Network Name TUCOWS-TRS-V6-BLK1 Handle NET6-2620-57-4000-1 Type DIRECT ALLOCATION Parent Network NET6-2620-1 Organization Tucows.com Co. Organization ID TUCOW Address 96 Mowat Avenue, Toronto, ON, M6K-3M1, Canada Country Canada (CA) Registry ARIN Registered On Oct 29, 2013 Last Updated Nov 04, 2022 Status
active
ASN & Routing
Origin AS AS39122 AS Name BLACKNIGHT-AS - Blacknight Internet Solutions Limited, IE Announced Prefix 2620:57:4003::/48 AS Registry ARIN Prefix Country Canada (CA) Allocated 2013-10-29 RPKI Origin Valid (covered by a matching ROA)
Reverse DNS
No PTR record is published for this address.
Abuse Contact
Raw RDAP Response
{
"arin_originas0_originautnums": [],
"cidr0_cidrs": [
{
"v6prefix": "2620:57:4000::",
"length": 40
}
],
"endAddress": "2620:57:40ff:ffff:ffff:ffff:ffff:ffff",
"entities": [
{
"entities": [
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-06-24T11:42:57-04:00"
},
{
"eventAction": "registration",
"eventDate": "2009-10-06T11:23:45-04:00"
}
],
"handle": "DIACO-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/DIACO-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/2620:57:4003::"
},
{
"href": "https://whois.arin.net/rest/poc/DIACO-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/2620:57:4003::"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"fn",
{},
"text",
"REDACTED"
],
[
"kind",
{},
"text",
"individual"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-01-28T09:56:16-05:00"
},
{
"eventAction": "registration",
"eventDate": "2021-12-08T14:56:48-05:00"
}
],
"handle": "LEEKE55-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/LEEKE55-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/2620:57:4003::"
},
{
"href": "https://whois.arin.net/rest/poc/LEEKE55-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/2620:57:4003::"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"fn",
{},
"text",
"REDACTED"
],
[
"kind",
{},
"text",
"individual"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-11-20T09:54:07-05:00"
},
{
"eventAction": "registration",
"eventDate": "2006-02-03T17:14:35-05:00"
}
],
"handle": "NOC2038-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/NOC2038-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/2620:57:4003::"
},
{
"href": "https://whois.arin.net/rest/poc/NOC2038-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/2620:57:4003::"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "96 Mowat Avenue\nToronto\nON\nM6K-3M1\nCanada"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"Network Operations Center"
],
[
"org",
{},
"text",
"Tucows.com Co."
],
[
"kind",
{},
"text",
"group"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-416-535-0123"
],
[
"tel",
{
"type": [
"work",
"fax"
]
},
"text",
"+1-416-531-5584"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-11-20T09:41:34-05:00"
},
{
"eventAction": "registration",
"eventDate": "2012-01-05T09:39:36-05:00"
}
],
"handle": "AST147-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/AST147-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/2620:57:4003::"
},
{
"href": "https://whois.arin.net/rest/poc/AST147-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/2620:57:4003::"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"abuse"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "96 Mowat Avenue\nToronto\nON\nM6K 3M1\nCanada"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"Abuse Security Team"
],
[
"org",
{},
"text",
"Tucows.com Co"
],
[
"kind",
{},
"text",
"group"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-416-535-0123"
],
[
"tel",
{
"type": [
"work",
"fax"
]
},
"text",
"+1-416-531-5584"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-11-20T09:41:41-05:00"
},
{
"eventAction": "registration",
"eventDate": "2012-01-06T09:27:31-05:00"
}
],
"handle": "NOC12422-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/NOC12422-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/2620:57:4003::"
},
{
"href": "https://whois.arin.net/rest/poc/NOC12422-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/2620:57:4003::"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"noc"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "96 Mowat Avenue\nToronto\nON\nM6K-3M1\nCanada"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"Network Operations Center"
],
[
"org",
{},
"text",
"Tucows.com Co."
],
[
"kind",
{},
"text",
"group"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-416-535-0123"
],
[
"tel",
{
"type": [
"work",
"fax"
]
},
"text",
"+1-416-531-5584"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-01-21T10:41:38-05:00"
},
{
"eventAction": "registration",
"eventDate": "2023-08-31T14:04:58-04:00"
}
],
"handle": "HALAS9-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/HALAS9-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/2620:57:4003::"
},
{
"href": "https://whois.arin.net/rest/poc/HALAS9-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/2620:57:4003::"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"fn",
{},
"text",
"REDACTED"
],
[
"kind",
{},
"text",
"individual"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2024-06-21T12:49:29-04:00"
},
{
"eventAction": "registration",
"eventDate": "2013-08-02T18:22:47-04:00"
}
],
"handle": "FJO19-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/FJO19-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/2620:57:4003::"
},
{
"href": "https://whois.arin.net/rest/poc/FJO19-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/2620:57:4003::"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"remarks": [
{
"description": [
"ARIN has attempted to validate the data for this POC, but has received no response from the POC since 2025-06-21"
],
"title": "Unvalidated POC"
}
],
"roles": [
"technical"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"fn",
{},
"text",
"REDACTED"
],
[
"kind",
{},
"text",
"individual"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-02-17T12:51:58-05:00"
},
{
"eventAction": "registration",
"eventDate": "2020-03-03T16:35:17-05:00"
}
],
"handle": "LEVYR7-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/LEVYR7-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/2620:57:4003::"
},
{
"href": "https://whois.arin.net/rest/poc/LEVYR7-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/2620:57:4003::"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"fn",
{},
"text",
"REDACTED"
],
[
"kind",
{},
"text",
"individual"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-10-06T11:07:08-04:00"
},
{
"eventAction": "registration",
"eventDate": "2022-07-20T17:22:49-04:00"
}
],
"handle": "ZAMBR10-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/ZAMBR10-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/2620:57:4003::"
},
{
"href": "https://whois.arin.net/rest/poc/ZAMBR10-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/2620:57:4003::"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"fn",
{},
"text",
"REDACTED"
],
[
"kind",
{},
"text",
"individual"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-11-20T09:41:19-05:00"
},
{
"eventAction": "registration",
"eventDate": "2003-09-30T13:25:06-04:00"
}
],
"handle": "OPERA30-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/OPERA30-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/2620:57:4003::"
},
{
"href": "https://whois.arin.net/rest/poc/OPERA30-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/2620:57:4003::"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"administrative"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "96 Mowat Avenue\nToronto\nON\nM6K-3M1\nCanada"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"Operations Admin"
],
[
"org",
{},
"text",
"Tucows Inc."
],
[
"kind",
{},
"text",
"group"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-416-535-0123;ext1662"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-11-20T09:41:28-05:00"
},
{
"eventAction": "registration",
"eventDate": "2003-09-22T18:18:42-04:00"
}
],
"handle": "OPERA26-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/OPERA26-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/2620:57:4003::"
},
{
"href": "https://whois.arin.net/rest/poc/OPERA26-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/2620:57:4003::"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "96 Mowat Ave\nToronto\nON\nM6K-3M1\nCanada"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"Operations Team"
],
[
"org",
{},
"text",
"Tucows International"
],
[
"kind",
{},
"text",
"group"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-416-535-0123;ext1662"
],
[
"tel",
{
"type": [
"work",
"fax"
]
},
"text",
"+1-416-531-5584"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-10-14T16:58:01-04:00"
},
{
"eventAction": "registration",
"eventDate": "2006-02-07T09:34:20-05:00"
}
],
"handle": "TUCOW",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/TUCOW",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/2620:57:4003::"
},
{
"href": "https://whois.arin.net/rest/org/TUCOW",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/2620:57:4003::"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"registrant"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"fn",
{},
"text",
"Tucows.com Co."
],
[
"adr",
{
"label": "96 Mowat Avenue\nToronto\nON\nM6K-3M1\nCanada"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"kind",
{},
"text",
"org"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2022-11-04T17:03:22-04:00"
},
{
"eventAction": "registration",
"eventDate": "2013-10-29T14:36:55-04:00"
}
],
"handle": "NET6-2620-57-4000-1",
"ipVersion": "v6",
"links": [
{
"href": "https://rdap.arin.net/registry/ip/2620:57:4000::",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/2620:57:4003::"
},
{
"href": "https://whois.arin.net/rest/net/NET6-2620-57-4000-1",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/2620:57:4003::"
}
],
"name": "TUCOWS-TRS-V6-BLK1",
"notices": [
{
"description": [
"By using the ARIN RDAP/Whois service, you are agreeing to the RDAP/Whois Terms of Use"
],
"links": [
{
"href": "https://www.arin.net/resources/registry/whois/tou/",
"rel": "terms-of-service",
"type": "text/html",
"value": "https://rdap.arin.net/registry/ip/2620:57:4003::"
}
],
"title": "Terms of Service"
},
{
"description": [
"If you see inaccuracies in the results, please visit: "
],
"links": [
{
"href": "https://www.arin.net/resources/registry/whois/inaccuracy_reporting/",
"rel": "inaccuracy-report",
"type": "text/html",
"value": "https://rdap.arin.net/registry/ip/2620:57:4003::"
}
],
"title": "Whois Inaccuracy Reporting"
},
{
"description": [
"Copyright 1997-2026, American Registry for Internet Numbers, Ltd."
],
"title": "Copyright Notice"
}
],
"objectClassName": "ip network",
"parentHandle": "NET6-2620-1",
"port43": "whois.arin.net",
"rdapConformance": [
"nro_rdap_profile_0",
"rdap_level_0",
"cidr0",
"arin_originas0"
],
"startAddress": "2620:57:4000::",
"status": [
"active"
],
"type": "DIRECT ALLOCATION"
} Contact details of private individuals are redacted.