170.91.0.0
ISP
Data retrieved at
Network
ASN
IP Range
Company
EAST SIDE UNION HIGH SCHOOL DIST
Registrant
East Side Union High School District
ESUHSD-BLK1
Using networksdb.io for network lookups.
Hostname
Not available.
AS Domain
esuhsd.org
Using host.io for pre-visualize domains.
Type
ISP
Handle
NET-170-91-0-0-2
Registered
2001-11-21
Last Changed
2001-11-21
View raw RDAP
{
"arin_originas0_originautnums": [],
"cidr0_cidrs": [
{
"v4prefix": "170.91.0.0",
"length": 17
}
],
"endAddress": "170.91.127.255",
"entities": [
{
"entities": [
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2023-12-21T13:06:33-05:00"
},
{
"eventAction": "registration",
"eventDate": "2017-01-13T20:11:43-05:00"
}
],
"handle": "PHELP70-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/PHELP70-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/170.91.0.0"
},
{
"href": "https://whois.arin.net/rest/poc/PHELP70-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/170.91.0.0"
}
],
"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 2024-12-20"
],
"title": "Unvalidated POC"
}
],
"roles": [
"administrative"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "830 N. Capitol Ave.\nSan Jose\nCA\n95133\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"Randall Phelps"
],
[
"n",
{},
"text",
[
"Phelps",
"Randall",
"",
"",
""
]
],
[
"kind",
{},
"text",
"individual"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-408-347-5000"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-01-01T11:52:27-05:00"
},
{
"eventAction": "registration",
"eventDate": "1994-07-28T11:32:56-04:00"
}
],
"handle": "DH172-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/DH172-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/170.91.0.0"
},
{
"href": "https://whois.arin.net/rest/poc/DH172-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/170.91.0.0"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "Santa Clara County Office of Education\n1290 Ridder Park Drive, MC 253\nSan Jose\nCA\n95131-2304\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"David S. Huie"
],
[
"n",
{},
"text",
[
"Huie",
"David",
"S.",
"",
""
]
],
[
"kind",
{},
"text",
"individual"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-925-999-4843"
],
[
"tel",
{
"type": [
"work",
"cell"
]
},
"text",
"+1-925-984-9988"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-05-13T14:34:37-04:00"
},
{
"eventAction": "registration",
"eventDate": "2015-03-18T04:28:41-04:00"
}
],
"handle": "GASKA2-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/GASKA2-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/170.91.0.0"
},
{
"href": "https://whois.arin.net/rest/poc/GASKA2-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/170.91.0.0"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"abuse",
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "830 N Capitol Ave\nSan Jose\nCA\n95133\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"Gilbert Gaska"
],
[
"n",
{},
"text",
[
"Gaska",
"Gilbert",
"",
"",
""
]
],
[
"kind",
{},
"text",
"individual"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-408-347-5148"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2017-01-13T20:17:57-05:00"
},
{
"eventAction": "registration",
"eventDate": "1993-07-21T00:00:00-04:00"
}
],
"handle": "ESUHSD",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/ESUHSD",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/170.91.0.0"
},
{
"href": "https://whois.arin.net/rest/org/ESUHSD",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/170.91.0.0"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"registrant"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"fn",
{},
"text",
"East Side Union High School District"
],
[
"adr",
{
"label": "830 North Capitol Avenue\nSan Jose\nCA\n95133\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"kind",
{},
"text",
"org"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "1999-11-30T15:49:55-05:00"
},
{
"eventAction": "registration",
"eventDate": "1999-11-30T15:49:55-05:00"
}
],
"handle": "FR78-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/FR78-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/170.91.0.0"
},
{
"href": "https://whois.arin.net/rest/poc/FR78-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/170.91.0.0"
}
],
"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 2010-12-22"
],
"title": "Unvalidated POC"
}
],
"roles": [
"technical"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "830 N. Capitol Ave.\nSan Jose\nCA\n95133\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"Fred Rounds"
],
[
"n",
{},
"text",
[
"Rounds",
"Fred",
"",
"",
""
]
],
[
"kind",
{},
"text",
"individual"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-408-347-5166"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2001-11-21T11:18:29-05:00"
},
{
"eventAction": "registration",
"eventDate": "2001-11-21T00:00:00-05:00"
}
],
"handle": "NET-170-91-0-0-2",
"ipVersion": "v4",
"links": [
{
"href": "https://rdap.arin.net/registry/ip/170.91.0.0",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/170.91.0.0"
},
{
"href": "https://whois.arin.net/rest/net/NET-170-91-0-0-2",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/170.91.0.0"
},
{
"href": "https://rdap.arin.net/registry/ip/170.91.0.0/16",
"rel": "up",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/170.91.0.0"
}
],
"name": "ESUHSD-BLK1",
"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/170.91.0.0"
}
],
"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/170.91.0.0"
}
],
"title": "Whois Inaccuracy Reporting"
},
{
"description": [
"Copyright 1997-2026, American Registry for Internet Numbers, Ltd."
],
"title": "Copyright Notice"
}
],
"objectClassName": "ip network",
"parentHandle": "NET-170-91-0-0-1",
"port43": "whois.arin.net",
"rdapConformance": [
"nro_rdap_profile_0",
"rdap_level_0",
"cidr0",
"arin_originas0"
],
"startAddress": "170.91.0.0",
"status": [
"active"
],
"type": "ASSIGNMENT"
}
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
170.91.0.0/17
Authorized ASN
Not available.
Abuse Contacts
IP Geolocation
Country
United States
City
San Jose (📍 95122)
California
Time Zone
America/Los_Angeles
Coordinates
37.3313, -121.8401
Continent
North America
European Union
No.
Phone prefix
+1
Currency
US Dollar (USD $)