216.83.0.21
ISP
Data retrieved at
Network
ASN
Not available.
IP Range
Company
Not available.
Registrant
Think On, Inc.
NSDATA-NET1
Using networksdb.io for network lookups.
Hostname
Not available.
AS Domain
Not available.
Type
ISP
Handle
NET-216-83-0-0-1
Registered
1998-10-05
Last Changed
2024-09-25
View raw RDAP
{
"arin_originas0_originautnums": [],
"cidr0_cidrs": [
{
"v4prefix": "216.83.0.0",
"length": 19
}
],
"endAddress": "216.83.31.255",
"entities": [
{
"entities": [
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-11-04T10:31:36-05:00"
},
{
"eventAction": "registration",
"eventDate": "2021-10-29T13:55:15-04:00"
}
],
"handle": "SONGE7-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/SONGE7-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/216.83.0.21"
},
{
"href": "https://whois.arin.net/rest/poc/SONGE7-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/216.83.0.21"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"remarks": [
{
"description": [
"Network engineer"
],
"title": "Registration Comments"
}
],
"roles": [
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "56 Aberfoyle Cres. Suite#420\nEtobicoke\nON\nM8X 2W4\nCanada"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"Eric Song"
],
[
"n",
{},
"text",
[
"Song",
"Eric",
"",
"",
""
]
],
[
"kind",
{},
"text",
"individual"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-365-297-4723;ext0237"
],
[
"tel",
{
"type": [
"work",
"cell"
]
},
"text",
"+1-647-860-7988"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-09-25T11:00:01-04:00"
},
{
"eventAction": "registration",
"eventDate": "2025-09-05T12:04:08-04:00"
}
],
"handle": "SMITH6258-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/SMITH6258-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/216.83.0.21"
},
{
"href": "https://whois.arin.net/rest/poc/SMITH6258-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/216.83.0.21"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "56 Aberfoyle Cres.\nsuite#420\n\nEtobicoke\nON\nM8X 2W4\nCanada"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"Jonathan Smith"
],
[
"n",
{},
"text",
[
"Smith",
"Jonathan",
"",
"",
""
]
],
[
"kind",
{},
"text",
"individual"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-647-955-9655"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-09-25T10:57:17-04:00"
},
{
"eventAction": "registration",
"eventDate": "2013-03-19T13:04:18-04:00"
}
],
"handle": "ADMIN3998-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/ADMIN3998-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/216.83.0.21"
},
{
"href": "https://whois.arin.net/rest/poc/ADMIN3998-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/216.83.0.21"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"remarks": [
{
"description": [
"http://www.thinkon.com"
],
"title": "Registration Comments"
}
],
"roles": [
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "56 Aberfoyle Cres.\nsuite#420\nEtobicoke\nON\nM8X 2W4\nCanada"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"Administrator"
],
[
"org",
{},
"text",
"Think On Inc."
],
[
"kind",
{},
"text",
"group"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-647-478-9266;ext211"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-01-07T16:49:31-05:00"
},
{
"eventAction": "registration",
"eventDate": "2023-11-09T10:17:51-05:00"
}
],
"handle": "VOISI7-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/VOISI7-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/216.83.0.21"
},
{
"href": "https://whois.arin.net/rest/poc/VOISI7-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/216.83.0.21"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "56 Aberfoyle Crescent, Unit 420\nEtobicoke\nON\nM8X 2W4\nCanada"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"Joe Voisin"
],
[
"n",
{},
"text",
[
"Voisin",
"Joe",
"",
"",
""
]
],
[
"kind",
{},
"text",
"individual"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-647-955-9655"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-09-25T10:54:44-04:00"
},
{
"eventAction": "registration",
"eventDate": "2016-12-20T12:10:41-05:00"
}
],
"handle": "VPOFI1-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/VPOFI1-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/216.83.0.21"
},
{
"href": "https://whois.arin.net/rest/poc/VPOFI1-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/216.83.0.21"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"remarks": [
{
"description": [
"http://www.thinkon.com",
"Standard NOC hours are 9:00 AM to 5:00 PM EST"
],
"title": "Registration Comments"
}
],
"roles": [
"technical",
"noc",
"abuse",
"administrative",
"routing",
"dns"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "56 Aberfoyle Cres.\nsuite#420\nEtobicoke\nON\nM8X 2W4\nCanada"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"VP of Infrastructure"
],
[
"org",
{},
"text",
"ThinkOn"
],
[
"kind",
{},
"text",
"group"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-647-478-9266"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-07-07T10:28:30-04:00"
},
{
"eventAction": "registration",
"eventDate": "2024-03-28T10:56:41-04:00"
}
],
"handle": "CIMAR11-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/CIMAR11-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/216.83.0.21"
},
{
"href": "https://whois.arin.net/rest/poc/CIMAR11-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/216.83.0.21"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "56 Aberfoyle Crescent, Suite 420, Etobicoke, Ontario M8X 2W4\nToronto\nON\nM8X 2W4\nCanada"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"Tim Cimarusti "
],
[
"n",
{},
"text",
[
"Cimarusti ",
"Tim",
"",
"",
""
]
],
[
"kind",
{},
"text",
"individual"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-647-955-9655;ext340"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-01-30T15:40:38-05:00"
},
{
"eventAction": "registration",
"eventDate": "2013-04-01T12:53:51-04:00"
}
],
"handle": "TO-16",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/TO-16",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/216.83.0.21"
},
{
"href": "https://whois.arin.net/rest/org/TO-16",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/216.83.0.21"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"remarks": [
{
"description": [
"http://www.thinkon.com",
"Geofeed https://thinkon.com/geofeed.csv"
],
"title": "Registration Comments"
}
],
"roles": [
"registrant"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"fn",
{},
"text",
"Think On, Inc."
],
[
"adr",
{
"label": "56 Aberfoyle Cres.\nsuite#420\nEtobicoke\nON\nM8X 2W4\nCanada"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"kind",
{},
"text",
"org"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2024-09-25T14:36:29-04:00"
},
{
"eventAction": "registration",
"eventDate": "1998-10-05T00:00:00-04:00"
}
],
"handle": "NET-216-83-0-0-1",
"ipVersion": "v4",
"links": [
{
"href": "https://rdap.arin.net/registry/ip/216.83.0.0",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/216.83.0.21"
},
{
"href": "https://whois.arin.net/rest/net/NET-216-83-0-0-1",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/216.83.0.21"
}
],
"name": "NSDATA-NET1",
"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/216.83.0.21"
}
],
"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/216.83.0.21"
}
],
"title": "Whois Inaccuracy Reporting"
},
{
"description": [
"Copyright 1997-2026, American Registry for Internet Numbers, Ltd."
],
"title": "Copyright Notice"
}
],
"objectClassName": "ip network",
"parentHandle": "NET-216-0-0-0-0",
"port43": "whois.arin.net",
"rdapConformance": [
"nro_rdap_profile_0",
"rdap_level_0",
"cidr0",
"arin_originas0"
],
"remarks": [
{
"description": [
"Geofeed https://thinkon.com/geofeed.csv"
],
"title": "Registration Comments"
}
],
"startAddress": "216.83.0.0",
"status": [
"active"
],
"type": "DIRECT ALLOCATION"
}
Security
No security threats detected for this IP.
VPN
Proxy
Tor
Hosting
Residential Proxy
Bogon
Abuser
Crawler
RPKI
RPKI Origin Validation
RPKI verifies that an IP prefix is legitimately announced by the authorized Autonomous System (ASN) using Route Origin Authorizations (ROAs).
Unknown.
No valid ROA was found for this prefix.
UNKNOWN
Validated Prefix
Not available
Authorized ASN
Not available.
IP Geolocation
Country
Canada
Time Zone
America/Toronto
Coordinates
43.6319, -79.3716
Continent
North America
European Union
No.
Phone prefix
+1
Currency
Canadian Dollar (CAD $)