Registry · RDAP Original response
https://rdap.arin.net/registry/ip/199.166.64.0
{
"arin_originas0_originautnums": [],
"cidr0_cidrs": [
{
"v4prefix": "199.166.40.0",
"length": 21
},
{
"v4prefix": "199.166.48.0",
"length": 20
},
{
"v4prefix": "199.166.64.0",
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},
{
"v4prefix": "199.166.128.0",
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},
{
"v4prefix": "199.166.160.0",
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},
{
"v4prefix": "199.166.176.0",
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},
{
"v4prefix": "199.166.184.0",
"length": 22
},
{
"v4prefix": "199.166.188.0",
"length": 23
}
],
"endAddress": "199.166.189.255",
"entities": [
{
"entities": [
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-01-21T13:37:31-05:00"
},
{
"eventAction": "registration",
"eventDate": "2011-03-16T18:15:29-04:00"
}
],
"handle": "NETWO4247-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/NETWO4247-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/199.166.64.0"
},
{
"href": "https://whois.arin.net/rest/poc/NETWO4247-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/199.166.64.0"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
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],
"status": [
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],
"vcardArray": [
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[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "450-1st Street SW\nCalgary\nAB\nT2P 5H1\nCanada"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"Network Abuse"
],
[
"org",
[],
"text",
"TransCanada"
],
[
"kind",
[],
"text",
"group"
],
[
"email",
[],
"text",
"network_abuse@tcenergy.com"
],
[
"email",
[],
"text",
"randy_taylor@tcenergy.com"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-403-920-5824"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-01-26T13:50:42-05:00"
},
{
"eventAction": "registration",
"eventDate": "2011-03-17T11:37:21-04:00"
}
],
"handle": "ADMIN2490-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/ADMIN2490-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/199.166.64.0"
},
{
"href": "https://whois.arin.net/rest/poc/ADMIN2490-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/199.166.64.0"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"administrative"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "450 - 1st Street SW\nCalgary\nAB\nT2P 5H1\nCanada"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"Administrator"
],
[
"org",
[],
"text",
"TransCanada"
],
[
"kind",
[],
"text",
"group"
],
[
"email",
[],
"text",
"network_data_technical@tcenergy.com"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-403-920-2111"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-03-17T10:34:30-04:00"
},
{
"eventAction": "registration",
"eventDate": "2011-03-17T11:32:45-04:00"
}
],
"handle": "NETWO4253-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/NETWO4253-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/199.166.64.0"
},
{
"href": "https://whois.arin.net/rest/poc/NETWO4253-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/199.166.64.0"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "450 - 1st Street SW\nCalgary\nAB\nT2P 5H1\nCanada"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"Network Operations"
],
[
"org",
[],
"text",
"TransCanada"
],
[
"kind",
[],
"text",
"group"
],
[
"email",
[],
"text",
"network_data_technical@tcenergy.com"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-403-920-6455"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2011-03-23T16:24:40-04:00"
}
],
"handle": "TRANSC-53",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/TRANSC-53",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/199.166.64.0"
},
{
"href": "https://whois.arin.net/rest/org/TRANSC-53",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/199.166.64.0"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"registrant"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"fn",
[],
"text",
"TransCanada Pipeline"
],
[
"adr",
{
"label": "450 1st St. S.W.\nCalgary\nAB\nT2P-5H1\nCanada"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"kind",
[],
"text",
"org"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-01-21T13:37:31-05:00"
},
{
"eventAction": "registration",
"eventDate": "2011-03-16T18:15:29-04:00"
}
],
"handle": "NETWO4247-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/NETWO4247-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/199.166.64.0"
},
{
"href": "https://whois.arin.net/rest/poc/NETWO4247-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/199.166.64.0"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"abuse"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "450-1st Street SW\nCalgary\nAB\nT2P 5H1\nCanada"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"Network Abuse"
],
[
"org",
[],
"text",
"TransCanada"
],
[
"kind",
[],
"text",
"group"
],
[
"email",
[],
"text",
"network_abuse@tcenergy.com"
],
[
"email",
[],
"text",
"randy_taylor@tcenergy.com"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-403-920-5824"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-03-17T10:34:30-04:00"
},
{
"eventAction": "registration",
"eventDate": "2011-03-17T11:32:45-04:00"
}
],
"handle": "NETWO4253-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/NETWO4253-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/199.166.64.0"
},
{
"href": "https://whois.arin.net/rest/poc/NETWO4253-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/199.166.64.0"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"technical",
"noc"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "450 - 1st Street SW\nCalgary\nAB\nT2P 5H1\nCanada"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"Network Operations"
],
[
"org",
[],
"text",
"TransCanada"
],
[
"kind",
[],
"text",
"group"
],
[
"email",
[],
"text",
"network_data_technical@tcenergy.com"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-403-920-6455"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2021-12-14T20:28:46-05:00"
},
{
"eventAction": "registration",
"eventDate": "1994-02-02T00:00:00-05:00"
}
],
"handle": "NET-199-166-40-0-1",
"ipVersion": "v4",
"links": [
{
"href": "https://rdap.arin.net/registry/ip/199.166.40.0",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/199.166.64.0"
},
{
"href": "https://whois.arin.net/rest/net/NET-199-166-40-0-1",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/199.166.64.0"
}
],
"name": "NOVATCPL",
"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/199.166.64.0"
}
],
"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/199.166.64.0"
}
],
"title": "Whois Inaccuracy Reporting"
},
{
"description": [
"Copyright 1997-2026, American Registry for Internet Numbers, Ltd."
],
"title": "Copyright Notice"
}
],
"objectClassName": "ip network",
"parentHandle": "NET-199-0-0-0-0",
"port43": "whois.arin.net",
"rdapConformance": [
"nro_rdap_profile_0",
"rdap_level_0",
"cidr0",
"arin_originas0"
],
"startAddress": "199.166.40.0",
"status": [
"active"
],
"type": "DIRECT ALLOCATION"
}