137.148.0.48
Education
Data retrieved at
Network
ASN
IP Range
Company
Cleveland State University
Network
CSUOHIO
Using networksdb.io for network lookups.
Hostname
Not available.
AS Domain
csuohio.edu
Using host.io for pre-visualize domains.
Type
Education
Handle
NET-137-148-0-0-1
Registered
1989-12-01
Last Changed
2023-06-14
View raw RDAP
{
"arin_originas0_originautnums": [],
"cidr0_cidrs": [
{
"v4prefix": "137.148.0.0",
"length": 16
}
],
"endAddress": "137.148.255.255",
"entities": [
{
"entities": [
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-09-24T15:18:52-04:00"
},
{
"eventAction": "registration",
"eventDate": "2015-11-20T09:39:59-05:00"
}
],
"handle": "AZIZU1-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/AZIZU1-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/137.148.0.48"
},
{
"href": "https://whois.arin.net/rest/poc/AZIZU1-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/137.148.0.48"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"remarks": [
{
"description": [
"Cleveland State University\r",
"https://www.csuohio.edu"
],
"title": "Registration Comments"
}
],
"roles": [
"technical",
"administrative"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "2121 Euclid Ave\r\nRhodes Tower 1003\nCleveland\nOH\n44115\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"Mohammed Azizuddin"
],
[
"n",
{},
"text",
[
"Azizuddin",
"Mohammed",
"",
"",
""
]
],
[
"kind",
{},
"text",
"individual"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-216-687-5319"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-09-24T15:18:59-04:00"
},
{
"eventAction": "registration",
"eventDate": "2017-01-06T11:30:07-05:00"
}
],
"handle": "NETWO8047-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/NETWO8047-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/137.148.0.48"
},
{
"href": "https://whois.arin.net/rest/poc/NETWO8047-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/137.148.0.48"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"routing",
"dns",
"noc",
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "2121 Euclid Ave\nCleveland\nOH\n44115\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"Network Engineer"
],
[
"org",
{},
"text",
"Cleveland State University"
],
[
"kind",
{},
"text",
"group"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-216-687-5319"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-09-24T15:18:24-04:00"
},
{
"eventAction": "registration",
"eventDate": "2024-09-24T14:47:10-04:00"
}
],
"handle": "ABUSE9141-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/ABUSE9141-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/137.148.0.48"
},
{
"href": "https://whois.arin.net/rest/poc/ABUSE9141-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/137.148.0.48"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"abuse"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "2121 Euclid Ave\nCleveland\nOH\n44115\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"Abuse"
],
[
"org",
{},
"text",
"Cleveland State University"
],
[
"kind",
{},
"text",
"group"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-216-687-5319"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2024-09-24T14:52:03-04:00"
},
{
"eventAction": "registration",
"eventDate": "2023-06-09T18:18:40-04:00"
}
],
"handle": "CSUCS-Z",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/CSUCS-Z",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/137.148.0.48"
},
{
"href": "https://whois.arin.net/rest/org/CSUCS-Z",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/137.148.0.48"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"registrant"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"fn",
{},
"text",
"Cleveland State University"
],
[
"adr",
{
"label": "2121 Euclid Ave\nInformation Services and Technology\nCleveland\nOH\n44115\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"kind",
{},
"text",
"org"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2023-06-14T00:06:41-04:00"
},
{
"eventAction": "registration",
"eventDate": "1989-12-01T00:00:00-05:00"
}
],
"handle": "NET-137-148-0-0-1",
"ipVersion": "v4",
"links": [
{
"href": "https://rdap.arin.net/registry/ip/137.148.0.0",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/137.148.0.48"
},
{
"href": "https://whois.arin.net/rest/net/NET-137-148-0-0-1",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/137.148.0.48"
}
],
"name": "CSUOHIO",
"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/137.148.0.48"
}
],
"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/137.148.0.48"
}
],
"title": "Whois Inaccuracy Reporting"
},
{
"description": [
"Copyright 1997-2026, American Registry for Internet Numbers, Ltd."
],
"title": "Copyright Notice"
}
],
"objectClassName": "ip network",
"parentHandle": "NET-137-0-0-0-0",
"port43": "whois.arin.net",
"rdapConformance": [
"nro_rdap_profile_0",
"rdap_level_0",
"cidr0",
"arin_originas0"
],
"startAddress": "137.148.0.0",
"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
137.148.0.0/16
Authorized ASN
Not available.
Abuse Contacts
IP Geolocation
Country
United States
City
Cleveland (📍 44115)
Ohio
Time Zone
America/New_York
Coordinates
41.4951, -81.6679
Continent
North America
European Union
No.
Phone prefix
+1
Currency
US Dollar (USD $)