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
AS11257
UNIVERSITY-LETHBRIDGE - University of Lethbridge Announcing routesAS nameUNIVERSITY-LETHBRIDGE
OrganisationUniversity of Lethbridge
Registry (RIR)ARIN
HandleAS11257
RangeAS11257
Registered03 Jun 1998
Last changed12 Aug 2025
1IPv4 prefixes
0IPv6 prefixes
3Upstreams
0Downstreams
Upstreams
| AS | Network name | Visibility |
|---|---|---|
| AS6327 | SHAW - Shaw Communications | 195 |
| AS852 | ASN852 - TELUS Communications Inc. | 48 |
| AS15296 | CYBERA - Cybera Inc | 12 |
Downstreams
None seen.
IPv4 prefixes (1)
RPKI-validate all prefixes of AS11257
Contacts
| Role | Name | Handle | Email / phone | Address |
|---|---|---|---|---|
| registrant | University of Lethbridge | UNIVER-232 | 4401 University Drive, Lethbridge, AB, T1K-3M4, Canada | |
| technical, abuse | Michael Keith Knowles | MKK6-ARIN | [email protected], +1-403-329-5162 | 4401 University Drive W, Lethbridge, AB, T1K 3M4, Canada |
| administrative | David Saunders | SAUND161-ARIN | [email protected], +1-403-329-2122 | 4401 University Drive, Lethbridge, AB, T1K 3M4, Canada |
| technical, abuse | Jeffrey Oliver | JO851-ARIN | [email protected], +1-403-329-5162, +1-403-382-7108 | 4401 University Drive, , Lethbridge, AB, T1K-3M4, Canada |
| technical | Michael Keith Knowles | MKK6-ARIN | [email protected], +1-403-329-5162 | 4401 University Drive W, Lethbridge, AB, T1K 3M4, Canada |
Raw registry response
{
"endAutnum": 11257,
"entities": [
{
"entities": [
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2024-10-31T11:42:24-04:00"
},
{
"eventAction": "registration",
"eventDate": "2024-10-31T11:42:24-04:00"
}
],
"handle": "MKK6-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/MKK6-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/11257"
},
{
"href": "https://whois.arin.net/rest/poc/MKK6-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/11257"
}
],
"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 2025-10-31"
],
"title": "Unvalidated POC"
}
],
"roles": [
"technical",
"abuse"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "4401 University Drive W\nLethbridge\nAB\nT1K 3M4\nCanada"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"Michael Keith Knowles"
],
[
"n",
[],
"text",
[
"Knowles",
"Michael",
"Keith",
"",
""
]
],
[
"kind",
[],
"text",
"individual"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-403-329-5162"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-06-09T12:10:31-04:00"
},
{
"eventAction": "registration",
"eventDate": "2024-06-07T12:45:40-04:00"
}
],
"handle": "SAUND161-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/SAUND161-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/11257"
},
{
"href": "https://whois.arin.net/rest/poc/SAUND161-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/11257"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"administrative"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "4401 University Drive\nLethbridge\nAB\nT1K 3M4\nCanada"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"David Saunders"
],
[
"n",
[],
"text",
[
"Saunders",
"David",
"",
"",
""
]
],
[
"kind",
[],
"text",
"individual"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-403-329-2122"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2024-10-31T10:04:10-04:00"
},
{
"eventAction": "registration",
"eventDate": "1996-11-01T12:01:54-05:00"
}
],
"handle": "JO851-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/JO851-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/11257"
},
{
"href": "https://whois.arin.net/rest/poc/JO851-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/11257"
}
],
"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 2025-10-31"
],
"title": "Unvalidated POC"
}
],
"roles": [
"technical",
"abuse"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "4401 University Drive\n\nLethbridge\nAB\nT1K-3M4\nCanada"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"Jeffrey Oliver"
],
[
"n",
[],
"text",
[
"Oliver",
"Jeffrey",
"",
"",
""
]
],
[
"kind",
[],
"text",
"individual"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-403-329-5162"
],
[
"tel",
{
"type": [
"work",
"fax"
]
},
"text",
"+1-403-382-7108"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2024-10-31T11:59:09-04:00"
},
{
"eventAction": "registration",
"eventDate": "1990-12-17T00:00:00-05:00"
}
],
"handle": "UNIVER-232",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/UNIVER-232",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/11257"
},
{
"href": "https://whois.arin.net/rest/org/UNIVER-232",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/11257"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"registrant"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"fn",
[],
"text",
"University of Lethbridge"
],
[
"adr",
{
"label": "4401 University Drive\nLethbridge\nAB\nT1K-3M4\nCanada"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"kind",
[],
"text",
"org"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2024-10-31T11:42:24-04:00"
},
{
"eventAction": "registration",
"eventDate": "2024-10-31T11:42:24-04:00"
}
],
"handle": "MKK6-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/MKK6-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/11257"
},
{
"href": "https://whois.arin.net/rest/poc/MKK6-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/11257"
}
],
"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 2025-10-31"
],
"title": "Unvalidated POC"
}
],
"roles": [
"technical"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "4401 University Drive W\nLethbridge\nAB\nT1K 3M4\nCanada"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"Michael Keith Knowles"
],
[
"n",
[],
"text",
[
"Knowles",
"Michael",
"Keith",
"",
""
]
],
[
"kind",
[],
"text",
"individual"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-403-329-5162"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-08-12T11:47:30-04:00"
},
{
"eventAction": "registration",
"eventDate": "1998-06-03T00:00:00-04:00"
}
],
"handle": "AS11257",
"links": [
{
"href": "https://rdap.arin.net/registry/autnum/11257",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/11257"
},
{
"href": "https://whois.arin.net/rest/asn/AS11257",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/11257"
}
],
"name": "UNIVERSITY-LETHBRIDGE",
"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/autnum/11257"
}
],
"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/autnum/11257"
}
],
"title": "Whois Inaccuracy Reporting"
},
{
"description": [
"Copyright 1997-2026, American Registry for Internet Numbers, Ltd."
],
"title": "Copyright Notice"
}
],
"objectClassName": "autnum",
"port43": "whois.arin.net",
"rdapConformance": [
"nro_rdap_profile_0",
"rdap_level_0",
"nro_rdap_profile_asn_flat_0"
],
"startAutnum": 11257,
"status": [
"active"
]
}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.
