153.106.0.7
ISP
Data retrieved at
Network
ASN
IP Range
Company
Calvin College
Network
CALVIN
Using networksdb.io for network lookups.
Hostname
Not available.
AS Domain
calvin.edu
Using host.io for pre-visualize domains.
Type
ISP
Handle
NET-153-106-0-0-1
Registered
1991-09-24
Last Changed
2024-05-31
View raw RDAP
{
"arin_originas0_originautnums": [],
"cidr0_cidrs": [
{
"v4prefix": "153.106.0.0",
"length": 16
}
],
"endAddress": "153.106.255.255",
"entities": [
{
"entities": [
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-04-28T20:18:49-04:00"
},
{
"eventAction": "registration",
"eventDate": "2001-09-25T10:52:45-04:00"
}
],
"handle": "JG1540-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/JG1540-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/153.106.0.7"
},
{
"href": "https://whois.arin.net/rest/poc/JG1540-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/153.106.0.7"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "3201 Burton Street SE\nGrand Rapids\nMI\n49546\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"Jeff Greenfield"
],
[
"n",
{},
"text",
[
"Greenfield",
"Jeff",
"",
"",
""
]
],
[
"kind",
{},
"text",
"individual"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-616-526-6171"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-12-18T17:00:54-05:00"
},
{
"eventAction": "registration",
"eventDate": "2008-05-30T14:18:05-04:00"
}
],
"handle": "CINA2-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/CINA2-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/153.106.0.7"
},
{
"href": "https://whois.arin.net/rest/poc/CINA2-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/153.106.0.7"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"administrative"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "3201 Burton St SE\nGrand Rapids\nMI\n49546\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"Calvin Internet Number Administrator"
],
[
"org",
{},
"text",
"Calvin University"
],
[
"kind",
{},
"text",
"group"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-616-526-6144"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-12-18T17:00:46-05:00"
},
{
"eventAction": "registration",
"eventDate": "2008-05-30T16:06:06-04:00"
}
],
"handle": "CNA44-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/CNA44-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/153.106.0.7"
},
{
"href": "https://whois.arin.net/rest/poc/CNA44-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/153.106.0.7"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"abuse"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "3201 Burton St SE\nGrand Rapids\nMI\n49546\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"Calvin Network Abuse"
],
[
"org",
{},
"text",
"Calvin University"
],
[
"kind",
{},
"text",
"group"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-616-526-6144"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2024-07-10T20:25:23-04:00"
},
{
"eventAction": "registration",
"eventDate": "2024-05-31T11:10:10-04:00"
}
],
"handle": "WALTE453-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/WALTE453-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/153.106.0.7"
},
{
"href": "https://whois.arin.net/rest/poc/WALTE453-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/153.106.0.7"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"remarks": [
{
"description": [
"ARIN has attempted to validate the data for this POC, but has received no response from the POC since 2025-07-10"
],
"title": "Unvalidated POC"
}
],
"roles": [
"technical"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "3201 Burton St SE\nGrand Rapids\nMI\n49546\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"Ethan Walters"
],
[
"n",
{},
"text",
[
"Walters",
"Ethan",
"",
"",
""
]
],
[
"kind",
{},
"text",
"individual"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-616-526-6356"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2024-05-31T10:30:31-04:00"
},
{
"eventAction": "registration",
"eventDate": "2024-05-31T10:30:31-04:00"
}
],
"handle": "BENDE104-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/BENDE104-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/153.106.0.7"
},
{
"href": "https://whois.arin.net/rest/poc/BENDE104-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/153.106.0.7"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"remarks": [
{
"description": [
"ARIN has attempted to validate the data for this POC, but has received no response from the POC since 2025-05-31"
],
"title": "Unvalidated POC"
}
],
"roles": [
"technical"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "3201 Burton SE\nGrand Rapids\nMI\n49546\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"Nathaniel Bender"
],
[
"n",
{},
"text",
[
"Bender",
"Nathaniel",
"",
"",
""
]
],
[
"kind",
{},
"text",
"individual"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-616-526-6892"
],
[
"tel",
{
"type": [
"work",
"cell"
]
},
"text",
"+1-586-419-2567"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2024-05-31T11:13:09-04:00"
},
{
"eventAction": "registration",
"eventDate": "2008-06-19T12:32:43-04:00"
}
],
"handle": "CCS-73-Z",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/CCS-73-Z",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/153.106.0.7"
},
{
"href": "https://whois.arin.net/rest/org/CCS-73-Z",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/153.106.0.7"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"registrant"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"fn",
{},
"text",
"Calvin College"
],
[
"adr",
{
"label": "3201 Burton Street S.E.\nGrand Rapids\nMI\n49546-4388\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"kind",
{},
"text",
"org"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-04-28T20:18:49-04:00"
},
{
"eventAction": "registration",
"eventDate": "2001-09-25T10:52:45-04:00"
}
],
"handle": "JG1540-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/JG1540-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/153.106.0.7"
},
{
"href": "https://whois.arin.net/rest/poc/JG1540-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/153.106.0.7"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "3201 Burton Street SE\nGrand Rapids\nMI\n49546\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"Jeff Greenfield"
],
[
"n",
{},
"text",
[
"Greenfield",
"Jeff",
"",
"",
""
]
],
[
"kind",
{},
"text",
"individual"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-616-526-6171"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2024-07-10T20:25:23-04:00"
},
{
"eventAction": "registration",
"eventDate": "2024-05-31T11:10:10-04:00"
}
],
"handle": "WALTE453-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/WALTE453-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/153.106.0.7"
},
{
"href": "https://whois.arin.net/rest/poc/WALTE453-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/153.106.0.7"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"remarks": [
{
"description": [
"ARIN has attempted to validate the data for this POC, but has received no response from the POC since 2025-07-10"
],
"title": "Unvalidated POC"
}
],
"roles": [
"technical"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "3201 Burton St SE\nGrand Rapids\nMI\n49546\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"Ethan Walters"
],
[
"n",
{},
"text",
[
"Walters",
"Ethan",
"",
"",
""
]
],
[
"kind",
{},
"text",
"individual"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-616-526-6356"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2024-05-31T10:30:31-04:00"
},
{
"eventAction": "registration",
"eventDate": "2024-05-31T10:30:31-04:00"
}
],
"handle": "BENDE104-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/BENDE104-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/153.106.0.7"
},
{
"href": "https://whois.arin.net/rest/poc/BENDE104-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/153.106.0.7"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"remarks": [
{
"description": [
"ARIN has attempted to validate the data for this POC, but has received no response from the POC since 2025-05-31"
],
"title": "Unvalidated POC"
}
],
"roles": [
"technical"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "3201 Burton SE\nGrand Rapids\nMI\n49546\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"Nathaniel Bender"
],
[
"n",
{},
"text",
[
"Bender",
"Nathaniel",
"",
"",
""
]
],
[
"kind",
{},
"text",
"individual"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-616-526-6892"
],
[
"tel",
{
"type": [
"work",
"cell"
]
},
"text",
"+1-586-419-2567"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2024-05-31T11:14:48-04:00"
},
{
"eventAction": "registration",
"eventDate": "1991-09-24T00:00:00-04:00"
}
],
"handle": "NET-153-106-0-0-1",
"ipVersion": "v4",
"links": [
{
"href": "https://rdap.arin.net/registry/ip/153.106.0.0",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/153.106.0.7"
},
{
"href": "https://whois.arin.net/rest/net/NET-153-106-0-0-1",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/153.106.0.7"
}
],
"name": "CALVIN",
"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/153.106.0.7"
}
],
"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/153.106.0.7"
}
],
"title": "Whois Inaccuracy Reporting"
},
{
"description": [
"Copyright 1997-2026, American Registry for Internet Numbers, Ltd."
],
"title": "Copyright Notice"
}
],
"objectClassName": "ip network",
"parentHandle": "NET-153-0-0-0-0",
"port43": "whois.arin.net",
"rdapConformance": [
"nro_rdap_profile_0",
"rdap_level_0",
"cidr0",
"arin_originas0"
],
"startAddress": "153.106.0.0",
"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
153.106.0.0/16
Authorized ASN
Not available.
Abuse Contacts
IP Geolocation
Country
United States
City
Grand Rapids (๐ 49546)
Michigan
Time Zone
America/Detroit
Coordinates
42.9282, -85.5473
Continent
North America
European Union
No.
Phone prefix
+1
Currency
US Dollar (USD $)