166.107.0.3
ISP
Data retrieved at
Network
ASN
Not available.
IP Range
Company
Not available.
Registrant
Alameda County
ALAMEDA
Using networksdb.io for network lookups.
Hostname
Not available.
AS Domain
Not available.
Type
ISP
Handle
NET-166-107-0-0-1
Registered
1993-12-03
Last Changed
2021-12-14
View raw RDAP
{
"arin_originas0_originautnums": [],
"cidr0_cidrs": [
{
"v4prefix": "166.107.0.0",
"length": 16
}
],
"endAddress": "166.107.255.255",
"entities": [
{
"entities": [
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-07-30T18:06:54-04:00"
},
{
"eventAction": "registration",
"eventDate": "2017-11-01T11:36:48-04:00"
}
],
"handle": "NETWO8351-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/NETWO8351-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/166.107.0.3"
},
{
"href": "https://whois.arin.net/rest/poc/NETWO8351-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/166.107.0.3"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"remarks": [
{
"description": [
"Alameda County Network Services"
],
"title": "Registration Comments"
}
],
"roles": [
"administrative",
"abuse",
"technical",
"noc"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "1221 Oak Street\nOakland\nCA\n94612\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"Network Services"
],
[
"org",
{},
"text",
"Alameda County"
],
[
"kind",
{},
"text",
"group"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-510-383-5000"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2019-11-13T18:54:16-05:00"
},
{
"eventAction": "registration",
"eventDate": "1993-12-03T00:00:00-05:00"
}
],
"handle": "ACDP",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/ACDP",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/166.107.0.3"
},
{
"href": "https://whois.arin.net/rest/org/ACDP",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/166.107.0.3"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"registrant"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"fn",
{},
"text",
"Alameda County"
],
[
"adr",
{
"label": "1221 Oak Street\nRM 41, ITD Data Center\nOakland\nCA\n94612\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"kind",
{},
"text",
"org"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-07-30T18:06:54-04:00"
},
{
"eventAction": "registration",
"eventDate": "2017-11-01T11:36:48-04:00"
}
],
"handle": "NETWO8351-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/NETWO8351-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/166.107.0.3"
},
{
"href": "https://whois.arin.net/rest/poc/NETWO8351-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/166.107.0.3"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"remarks": [
{
"description": [
"Alameda County Network Services"
],
"title": "Registration Comments"
}
],
"roles": [
"technical",
"noc",
"abuse"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "1221 Oak Street\nOakland\nCA\n94612\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"Network Services"
],
[
"org",
{},
"text",
"Alameda County"
],
[
"kind",
{},
"text",
"group"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-510-383-5000"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2021-12-14T20:28:25-05:00"
},
{
"eventAction": "registration",
"eventDate": "1993-12-03T00:00:00-05:00"
}
],
"handle": "NET-166-107-0-0-1",
"ipVersion": "v4",
"links": [
{
"href": "https://rdap.arin.net/registry/ip/166.107.0.0",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/166.107.0.3"
},
{
"href": "https://whois.arin.net/rest/net/NET-166-107-0-0-1",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/166.107.0.3"
}
],
"name": "ALAMEDA",
"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/166.107.0.3"
}
],
"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/166.107.0.3"
}
],
"title": "Whois Inaccuracy Reporting"
},
{
"description": [
"Copyright 1997-2026, American Registry for Internet Numbers, Ltd."
],
"title": "Copyright Notice"
}
],
"objectClassName": "ip network",
"parentHandle": "NET-166-0-0-0-0",
"port43": "whois.arin.net",
"rdapConformance": [
"nro_rdap_profile_0",
"rdap_level_0",
"cidr0",
"arin_originas0"
],
"startAddress": "166.107.0.0",
"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
Not available
Authorized ASN
Not available.
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 $)