128.52.0.12
Education
Data retrieved at
Network
ASN
IP Range
Company
Massachusetts Institute of Technology
Network
MIT-AI-NET
Using networksdb.io for network lookups.
Hostname
Not available.
Type
Education
Handle
NET-128-52-0-0-1
Registered
1984-05-31
Last Changed
2021-12-14
View raw RDAP
{
"arin_originas0_originautnums": [],
"cidr0_cidrs": [
{
"v4prefix": "128.52.0.0",
"length": 16
}
],
"endAddress": "128.52.255.255",
"entities": [
{
"entities": [
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-01-09T10:53:20-05:00"
},
{
"eventAction": "registration",
"eventDate": "2010-09-10T08:06:20-04:00"
}
],
"handle": "MNS18-ARIN",
"links": [
{
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"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/128.52.0.12"
},
{
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"type": "application/xml",
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}
],
"objectClassName": "entity",
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"roles": [
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{},
"text",
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[
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"text",
[
"",
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"text",
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],
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},
{
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}
],
"handle": "MNOC14-ARIN",
"links": [
{
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"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/128.52.0.12"
},
{
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{
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},
"text",
[
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],
[
"fn",
{},
"text",
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],
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"text",
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[
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"[email protected]"
],
[
"tel",
{
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"voice"
]
},
"text",
"+1-617-253-8400"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-07-07T16:58:04-04:00"
},
{
"eventAction": "registration",
"eventDate": "2024-11-15T16:03:41-05:00"
}
],
"handle": "BROWN2958-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/BROWN2958-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/128.52.0.12"
},
{
"href": "https://whois.arin.net/rest/poc/BROWN2958-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/128.52.0.12"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"technical"
],
"status": [
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],
"vcardArray": [
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{},
"text",
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],
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},
"text",
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[
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{},
"text",
"Olu Brown"
],
[
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{},
"text",
[
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"",
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""
]
],
[
"kind",
{},
"text",
"individual"
],
[
"email",
{},
"text",
"[email protected]"
],
[
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{
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"voice"
]
},
"text",
"+1-617-258-7870"
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},
{
"events": [
{
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"eventDate": "2025-12-02T00:45:20-05:00"
},
{
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"eventDate": "2010-09-10T08:14:17-04:00"
}
],
"handle": "MNO78-ARIN",
"links": [
{
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"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/128.52.0.12"
},
{
"href": "https://whois.arin.net/rest/poc/MNO78-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/128.52.0.12"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
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"dns",
"noc"
],
"status": [
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],
"vcardArray": [
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[
[
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{},
"text",
"4.0"
],
[
"adr",
{
"label": "304 Vassar Street\r\nW92-167\nCambridge\nMA\n02139\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"MIT Network Operations"
],
[
"org",
{},
"text",
"Massachusetts Institute of Technology"
],
[
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{},
"text",
"group"
],
[
"email",
{},
"text",
"[email protected]"
],
[
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{
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"+1-617-253-8400"
]
]
]
},
{
"events": [
{
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"eventDate": "2025-11-17T08:16:41-05:00"
},
{
"eventAction": "registration",
"eventDate": "2024-11-15T16:02:24-05:00"
}
],
"handle": "GOMES41-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/GOMES41-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/128.52.0.12"
},
{
"href": "https://whois.arin.net/rest/poc/GOMES41-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/128.52.0.12"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"technical"
],
"status": [
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],
"vcardArray": [
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[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "77 Massachusetts Ave\nCambridge\nMA\n02139\nUnited States"
},
"text",
[
"",
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""
]
],
[
"fn",
{},
"text",
"Marco Gomes"
],
[
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{},
"text",
[
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"",
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""
]
],
[
"kind",
{},
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],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
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]
},
"text",
"+1-617-253-0336"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-07-30T11:14:18-04:00"
}
],
"handle": "MIT-2",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/MIT-2",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/128.52.0.12"
},
{
"href": "https://whois.arin.net/rest/org/MIT-2",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/128.52.0.12"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"registrant"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"fn",
{},
"text",
"Massachusetts Institute of Technology"
],
[
"adr",
{
"label": "Room W92-167\r\n77 Massachusetts Avenue\nCambridge\nMA\n02139-4307\nUnited States"
},
"text",
[
"",
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"",
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"",
"",
""
]
],
[
"kind",
{},
"text",
"org"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-12-02T11:10:21-05:00"
},
{
"eventAction": "registration",
"eventDate": "2012-12-20T14:14:54-05:00"
}
],
"handle": "NETWO5753-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/NETWO5753-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/128.52.0.12"
},
{
"href": "https://whois.arin.net/rest/poc/NETWO5753-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/128.52.0.12"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"abuse"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "32 Vassar Street, Room 32-276\nCambridge\nMA\n02139\nUnited States"
},
"text",
[
"",
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"",
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"",
""
]
],
[
"fn",
{},
"text",
"Network security"
],
[
"org",
{},
"text",
"MIT Computer Science and Artificial Intelligence Lab"
],
[
"kind",
{},
"text",
"group"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
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]
},
"text",
"+1-617-253-8304"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-12-02T11:11:05-05:00"
},
{
"eventAction": "registration",
"eventDate": "2011-06-23T12:56:26-04:00"
}
],
"handle": "CSAIL-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/CSAIL-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/128.52.0.12"
},
{
"href": "https://whois.arin.net/rest/poc/CSAIL-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/128.52.0.12"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "32 Vassar Street\r\nRoom 32-269\nCambridge\nMA\n02139\nUnited States"
},
"text",
[
"",
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"",
""
]
],
[
"fn",
{},
"text",
"Computer Science and Artificial Intelligence Lab"
],
[
"org",
{},
"text",
"Massachusetts Institute of Technology"
],
[
"kind",
{},
"text",
"group"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-617-253-8304"
]
]
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}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2021-12-14T20:28:25-05:00"
},
{
"eventAction": "registration",
"eventDate": "1984-05-31T00:00:00-04:00"
}
],
"handle": "NET-128-52-0-0-1",
"ipVersion": "v4",
"links": [
{
"href": "https://rdap.arin.net/registry/ip/128.52.0.0",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/128.52.0.12"
},
{
"href": "https://whois.arin.net/rest/net/NET-128-52-0-0-1",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/128.52.0.12"
}
],
"name": "MIT-AI-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/128.52.0.12"
}
],
"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/128.52.0.12"
}
],
"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": "128.52.0.0",
"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
128.52.0.0/16
Authorized ASN
Not available.
Abuse Contacts
IP Geolocation
Country
United States
Time Zone
America/Chicago
Coordinates
37.751, -97.822
Continent
North America
European Union
No.
Phone prefix
+1
Currency
US Dollar (USD $)