128.59.0.39
Education
Data retrieved at
Network
ASN
IP Range
Company
Columbia University
Network
CU-NET-128-59
Using networksdb.io for network lookups.
Hostname
Not available.
AS Domain
columbia.edu
Using host.io for pre-visualize domains.
Type
Education
Handle
NET-128-59-0-0-1
Registered
1985-02-05
Last Changed
2025-12-08
View raw RDAP
{
"arin_originas0_originautnums": [],
"cidr0_cidrs": [
{
"v4prefix": "128.59.0.0",
"length": 16
}
],
"endAddress": "128.59.255.255",
"entities": [
{
"entities": [
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-11-06T14:32:25-05:00"
},
{
"eventAction": "registration",
"eventDate": "2004-06-30T15:37:18-04:00"
}
],
"handle": "CUAC-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/CUAC-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/128.59.0.39"
},
{
"href": "https://whois.arin.net/rest/poc/CUAC-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/128.59.0.39"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"remarks": [
{
"description": [
"Contact for abuse"
],
"title": "Registration Comments"
}
],
"roles": [
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"status": [
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"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "612 W 115TH ST\nNEW YORK\nNY\n10025\nUnited States"
},
"text",
[
"",
"",
"",
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"",
""
]
],
[
"fn",
{},
"text",
"COLUMBIA UNIVERSITY ABUSE CONTACT"
],
[
"org",
{},
"text",
"Columbia University"
],
[
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{},
"text",
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[
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{},
"text",
"[email protected]"
],
[
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{
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},
"text",
"+1-212-854-1919"
]
]
]
},
{
"events": [
{
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"eventDate": "2026-10-22T15:55:30-04:00"
}
],
"handle": "CU-NOC-ARIN",
"links": [
{
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],
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}
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"administrative"
],
"status": [
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],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "2960 Broadway\nNEW YORK\nNY\n10027\nUnited States"
},
"text",
[
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],
[
"fn",
{},
"text",
"Columbia University Computer Operations"
],
[
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{},
"text",
"Columbia University Network Operations"
],
[
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{},
"text",
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[
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"text",
"[email protected]"
],
[
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"text",
"+1-212-854-1919"
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}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2017-01-28T08:32:29-05:00"
}
],
"handle": "COLUMB",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/COLUMB",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/128.59.0.39"
},
{
"href": "https://whois.arin.net/rest/org/COLUMB",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/128.59.0.39"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"registrant"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"fn",
{},
"text",
"Columbia University"
],
[
"adr",
{
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},
"text",
[
"",
"",
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"",
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"",
""
]
],
[
"kind",
{},
"text",
"org"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-10-22T15:55:30-04:00"
}
],
"handle": "CU-NOC-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/CU-NOC-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/128.59.0.39"
},
{
"href": "https://whois.arin.net/rest/poc/CU-NOC-ARIN",
"rel": "alternate",
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],
"objectClassName": "entity",
"port43": "whois.arin.net",
"remarks": [
{
"description": [
"Contact [email protected] for abuse"
],
"title": "Registration Comments"
}
],
"roles": [
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "2960 Broadway\nNEW YORK\nNY\n10027\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"Columbia University Computer Operations"
],
[
"org",
{},
"text",
"Columbia University Network Operations"
],
[
"kind",
{},
"text",
"group"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-212-854-1919"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-12-08T17:17:58-05:00"
},
{
"eventAction": "registration",
"eventDate": "1985-02-05T00:00:00-05:00"
}
],
"handle": "NET-128-59-0-0-1",
"ipVersion": "v4",
"links": [
{
"href": "https://rdap.arin.net/registry/ip/128.59.0.0",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/128.59.0.39"
},
{
"href": "https://whois.arin.net/rest/net/NET-128-59-0-0-1",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/128.59.0.39"
}
],
"name": "CU-NET-128-59",
"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/128.59.0.39"
}
],
"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/128.59.0.39"
}
],
"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": "128.59.0.0",
"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
128.59.0.0/16
Authorized ASN
Not available.
Abuse Contacts
IP Geolocation
Country
United States
City
New York (📍 10025)
New York
Time Zone
America/New_York
Coordinates
40.8, -73.9763
Continent
North America
European Union
No.
Phone prefix
+1
Currency
US Dollar (USD $)