128.83.0.9
Education
Data retrieved at
Network
ASN
IP Range
Company
University of Texas at Austin
Network
UTAUSTIN
Using networksdb.io for network lookups.
Hostname
Not available.
AS Domain
utexas.edu
Using host.io for pre-visualize domains.
Type
Education
Handle
NET-128-83-0-0-1
Registered
1985-05-29
Last Changed
2021-12-14
View raw RDAP
{
"arin_originas0_originautnums": [],
"cidr0_cidrs": [
{
"v4prefix": "128.83.0.0",
"length": 16
}
],
"endAddress": "128.83.255.255",
"entities": [
{
"entities": [
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-08-26T18:34:28-04:00"
},
{
"eventAction": "registration",
"eventDate": "2002-03-27T15:53:25-05:00"
}
],
"handle": "ZU83-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/ZU83-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/128.83.0.9"
},
{
"href": "https://whois.arin.net/rest/poc/ZU83-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/128.83.0.9"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"technical",
"abuse"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "124 Inner Campus Drive\nAustin\nTX\n78712\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"Network Operations Center"
],
[
"org",
{},
"text",
"The University of Texas at Austin"
],
[
"kind",
{},
"text",
"group"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-512-232-5743"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-08-26T18:32:51-04:00"
},
{
"eventAction": "registration",
"eventDate": "2003-07-02T17:15:08-04:00"
}
],
"handle": "NOC1301-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/NOC1301-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/128.83.0.9"
},
{
"href": "https://whois.arin.net/rest/poc/NOC1301-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/128.83.0.9"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"administrative"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "124 Inner Campus Drive\nAustin\nTX\n78712\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"Network Administration Center"
],
[
"org",
{},
"text",
"The University of Texas at Austin"
],
[
"kind",
{},
"text",
"group"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-512-232-5743"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2024-11-25T11:09:46-05:00"
}
],
"handle": "UTAA",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/UTAA",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/128.83.0.9"
},
{
"href": "https://whois.arin.net/rest/org/UTAA",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/128.83.0.9"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"registrant"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"fn",
{},
"text",
"University of Texas at Austin"
],
[
"adr",
{
"label": "ITS - Telecommunications and Networking\r\n1 University Station, C2900\nAustin\nTX\n78705\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"kind",
{},
"text",
"org"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2021-12-14T20:28:47-05:00"
},
{
"eventAction": "registration",
"eventDate": "1985-05-29T00:00:00-04:00"
}
],
"handle": "NET-128-83-0-0-1",
"ipVersion": "v4",
"links": [
{
"href": "https://rdap.arin.net/registry/ip/128.83.0.0",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/128.83.0.9"
},
{
"href": "https://whois.arin.net/rest/net/NET-128-83-0-0-1",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/128.83.0.9"
}
],
"name": "UTAUSTIN",
"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/128.83.0.9"
}
],
"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/128.83.0.9"
}
],
"title": "Whois Inaccuracy Reporting"
},
{
"description": [
"Copyright 1997-2026, American Registry for Internet Numbers, Ltd."
],
"title": "Copyright Notice"
}
],
"objectClassName": "ip network",
"parentHandle": "NET-128-0-0-0-0",
"port43": "whois.arin.net",
"rdapConformance": [
"nro_rdap_profile_0",
"rdap_level_0",
"cidr0",
"arin_originas0"
],
"startAddress": "128.83.0.0",
"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
128.83.0.0/16
Authorized ASN
Not available.
Abuse Contacts
IP Geolocation
Country
United States
City
Austin (📍 78705)
Texas
Time Zone
America/Chicago
Coordinates
30.2887, -97.7398
Continent
North America
European Union
No.
Phone prefix
+1
Currency
US Dollar (USD $)