155.52.0.22
ISP
Data retrieved at
Network
ASN
IP Range
Company
Mass General Brigham Incorporated
Registrant
Dana-Farber Cancer Institute
DFCINET
Using networksdb.io for network lookups.
Hostname
Not available.
AS Domain
massgeneralbrigham.org
Using host.io for pre-visualize domains.
Type
ISP
Handle
NET-155-52-0-0-1
Registered
1993-03-25
Last Changed
2021-12-14
View raw RDAP
{
"arin_originas0_originautnums": [],
"cidr0_cidrs": [
{
"v4prefix": "155.52.0.0",
"length": 16
}
],
"endAddress": "155.52.255.255",
"entities": [
{
"entities": [
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2017-02-27T13:50:57-05:00"
},
{
"eventAction": "registration",
"eventDate": "2002-05-07T14:52:58-04:00"
}
],
"handle": "ZP106-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/ZP106-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/155.52.0.22"
},
{
"href": "https://whois.arin.net/rest/poc/ZP106-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/155.52.0.22"
}
],
"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 2018-02-27"
],
"title": "Unvalidated POC"
}
],
"roles": [
"technical",
"abuse",
"administrative"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "149 13th Street\nBoston\nMA\n02129\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"Domain Admin"
],
[
"org",
{},
"text",
"Partners HealthCare Inc."
],
[
"kind",
{},
"text",
"group"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-617-724-9980"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-617-726-5833"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2011-09-24T08:30:57-04:00"
},
{
"eventAction": "registration",
"eventDate": "1993-03-25T00:00:00-05:00"
}
],
"handle": "DCI-3",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/DCI-3",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/155.52.0.22"
},
{
"href": "https://whois.arin.net/rest/org/DCI-3",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/155.52.0.22"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"registrant"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"fn",
{},
"text",
"Dana-Farber Cancer Institute"
],
[
"adr",
{
"label": "44 Binney Street\nBoston\nMA\n02115\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"kind",
{},
"text",
"org"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2017-02-27T13:50:57-05:00"
},
{
"eventAction": "registration",
"eventDate": "2002-05-07T14:52:58-04:00"
}
],
"handle": "ZP106-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/ZP106-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/155.52.0.22"
},
{
"href": "https://whois.arin.net/rest/poc/ZP106-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/155.52.0.22"
}
],
"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 2018-02-27"
],
"title": "Unvalidated POC"
}
],
"roles": [
"technical"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "149 13th Street\nBoston\nMA\n02129\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"Domain Admin"
],
[
"org",
{},
"text",
"Partners HealthCare Inc."
],
[
"kind",
{},
"text",
"group"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-617-724-9980"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-617-726-5833"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2021-12-14T20:28:39-05:00"
},
{
"eventAction": "registration",
"eventDate": "1993-03-25T00:00:00-05:00"
}
],
"handle": "NET-155-52-0-0-1",
"ipVersion": "v4",
"links": [
{
"href": "https://rdap.arin.net/registry/ip/155.52.0.0",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/155.52.0.22"
},
{
"href": "https://whois.arin.net/rest/net/NET-155-52-0-0-1",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/155.52.0.22"
}
],
"name": "DFCINET",
"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/155.52.0.22"
}
],
"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/155.52.0.22"
}
],
"title": "Whois Inaccuracy Reporting"
},
{
"description": [
"Copyright 1997-2026, American Registry for Internet Numbers, Ltd."
],
"title": "Copyright Notice"
}
],
"objectClassName": "ip network",
"parentHandle": "NET-155-0-0-0-0",
"port43": "whois.arin.net",
"rdapConformance": [
"nro_rdap_profile_0",
"rdap_level_0",
"cidr0",
"arin_originas0"
],
"startAddress": "155.52.0.0",
"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
155.52.0.0/16
Authorized ASN
Not available.
Abuse Contacts
IP Geolocation
Country
United States
City
Cambridge (📍 02140)
Massachusetts
Time Zone
America/New_York
Coordinates
42.3907, -71.1349
Continent
North America
European Union
No.
Phone prefix
+1
Currency
US Dollar (USD $)