Organization
Purdue University
PURDUE-CS-NET
Location
West Lafayette
Indiana, United States (US)
Hostname
—
Geolocation
United States (US) United States
- Country
- United States (US)
- Region
- Indiana
- City
- West Lafayette
- Continent
- North America
- Coordinates
- 40.4228, -86.9107 View on map ↗
Network Information
IP Range 192.5.48.0 – 192.5.48.255 CIDR 192.5.48.0/24 Network Name PURDUE-CS-NET Handle NET-192-5-48-0-1 Type DIRECT ALLOCATION Parent Network NET-192-0-0-0-0 Organization Purdue University Organization ID PURDUE-Z Address Information Technology, 155 S. Grant Street, West Lafayette, IN, 47907-2114, United States Country United States (US) Registry ARIN Registered On Dec 08, 1983 Last Updated Oct 20, 2022 Status
active
ASN & Routing
Origin AS AS17 AS Name PURDUE - Purdue University, US Announced Prefix 192.5.48.0/24 AS Registry ARIN Prefix Country United States (US) Allocated 1983-12-08 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": [
{
"v4prefix": "192.5.48.0",
"length": 24
}
],
"endAddress": "192.5.48.255",
"entities": [
{
"entities": [
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-04-16T14:55:16-04:00"
},
{
"eventAction": "registration",
"eventDate": "2003-01-13T14:00:05-05:00"
}
],
"handle": "PUISP-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/PUISP-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/192.5.48.0"
},
{
"href": "https://whois.arin.net/rest/poc/PUISP-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/192.5.48.0"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"remarks": [
{
"description": [
"Please report all instances of network abuse",
"using email, when possible. Please provide as much information as",
"you can to aid us in tracking down the errant machine on our end."
],
"title": "Registration Comments"
}
],
"roles": [
"abuse"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "2550 Northwestern Ave., Suite 1100\nWest Lafayette\nIN\n47906\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"Purdue University STEAM-CIRT"
],
[
"org",
{},
"text",
"Purdue University"
],
[
"kind",
{},
"text",
"group"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-765-496-1666"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-12-12T10:18:52-05:00"
},
{
"eventAction": "registration",
"eventDate": "2022-07-06T10:57:29-04:00"
}
],
"handle": "CASEB10-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/CASEB10-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/192.5.48.0"
},
{
"href": "https://whois.arin.net/rest/poc/CASEB10-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/192.5.48.0"
}
],
"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": "2025-12-01T09:22:36-05:00"
},
{
"eventAction": "registration",
"eventDate": "2023-09-22T16:03:10-04:00"
}
],
"handle": "JUSTI129-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/JUSTI129-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/192.5.48.0"
},
{
"href": "https://whois.arin.net/rest/poc/JUSTI129-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/192.5.48.0"
}
],
"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": "2025-11-18T14:15:50-05:00"
},
{
"eventAction": "registration",
"eventDate": "2003-08-12T09:17:44-04:00"
}
],
"handle": "PNOC-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/PNOC-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/192.5.48.0"
},
{
"href": "https://whois.arin.net/rest/poc/PNOC-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/192.5.48.0"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"noc",
"routing",
"administrative"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "191 N. University Street\nTEL 115A\nWest Lafayette\nIN\n47907\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"Purdue Network Operations Center"
],
[
"org",
{},
"text",
"Purdue University"
],
[
"kind",
{},
"text",
"group"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-765-494-4000"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-12-01T09:22:20-05:00"
},
{
"eventAction": "registration",
"eventDate": "2007-10-30T09:18:06-04:00"
}
],
"handle": "PURDU-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/PURDU-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/192.5.48.0"
},
{
"href": "https://whois.arin.net/rest/poc/PURDU-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/192.5.48.0"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"dns",
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "191 N. University Street\nTEL 115A\nWest Lafayette\nIN\n47907\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"Purdue Hostmaster"
],
[
"org",
{},
"text",
"Purdue University"
],
[
"kind",
{},
"text",
"group"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-765-496-7272"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-05-29T11:52:44-04:00"
},
{
"eventAction": "registration",
"eventDate": "2026-05-29T11:52:44-04:00"
}
],
"handle": "SCHNE484-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/SCHNE484-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/192.5.48.0"
},
{
"href": "https://whois.arin.net/rest/poc/SCHNE484-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/192.5.48.0"
}
],
"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": "2026-08-04T12:13:58-04:00"
},
{
"eventAction": "registration",
"eventDate": "2006-05-22T10:48:09-04:00"
}
],
"handle": "BAC22-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/BAC22-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/192.5.48.0"
},
{
"href": "https://whois.arin.net/rest/poc/BAC22-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/192.5.48.0"
}
],
"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": "2026-06-02T15:28:35-04:00"
},
{
"eventAction": "registration",
"eventDate": "2022-10-09T12:24:00-04:00"
}
],
"handle": "PURDUE-Z",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/PURDUE-Z",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/192.5.48.0"
},
{
"href": "https://whois.arin.net/rest/org/PURDUE-Z",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/192.5.48.0"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"registrant"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"fn",
{},
"text",
"Purdue University"
],
[
"adr",
{
"label": "Information Technology\n155 S. Grant Street\nWest Lafayette\nIN\n47907-2114\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"kind",
{},
"text",
"org"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-01-10T20:42:50-05:00"
}
],
"handle": "DT50-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/DT50-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/192.5.48.0"
},
{
"href": "https://whois.arin.net/rest/poc/DT50-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/192.5.48.0"
}
],
"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": "2022-10-20T14:49:43-04:00"
},
{
"eventAction": "registration",
"eventDate": "1983-12-08T00:00:00-05:00"
}
],
"handle": "NET-192-5-48-0-1",
"ipVersion": "v4",
"links": [
{
"href": "https://rdap.arin.net/registry/ip/192.5.48.0",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/192.5.48.0"
},
{
"href": "https://whois.arin.net/rest/net/NET-192-5-48-0-1",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/192.5.48.0"
}
],
"name": "PURDUE-CS-NET",
"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/192.5.48.0"
}
],
"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/192.5.48.0"
}
],
"title": "Whois Inaccuracy Reporting"
},
{
"description": [
"Copyright 1997-2026, American Registry for Internet Numbers, Ltd."
],
"title": "Copyright Notice"
}
],
"objectClassName": "ip network",
"parentHandle": "NET-192-0-0-0-0",
"port43": "whois.arin.net",
"rdapConformance": [
"nro_rdap_profile_0",
"rdap_level_0",
"cidr0",
"arin_originas0"
],
"startAddress": "192.5.48.0",
"status": [
"active"
],
"type": "DIRECT ALLOCATION"
} Contact details of private individuals are redacted.