Data as of Nov 4, 2026
170.91.0.0/17
No anonymizer space · no proxy exits in 30 daysEast Side Union High School Dist · space held by Santa Clara County Office of Education
Registrations in this block
The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 170.91.0.0/16 | 65,536 | SJENNET | Santa Clara County Office of Education (SCCO-Z) · US | Direct Allocation | Mar 18, 1994 | — |
| └ 170.91.0.0/17 | 32,768 | ESUHSD-BLK1 | East Side Union High School District (ESUHSD) · US | Reassigned | Nov 21, 2001 | GaskaGil@ |
Network & registry
Registry
Holder
- Organization
- Santa Clara County Office of Education
- Handle
- SCCO-Z
- Range
- 170.
91. 0. 0/ 16 - Registration type
- Direct Allocation
- Record created
- Mar 18, 1994
- Legacy
- yes
Origin network
AS398535
US
- Name
- East Side Union High School Dist
- Type
- Education
- Registered
- Jul 2, 2020
- Domain
- esuhsd.org
- Industry
- Education and Research
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- Sep 2020 · 6.1 yr
- Origin networks
- 4
- Last change of origin
- Sep 2020
Recorded history
History
- Handoffs
- 3
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS7132 not the origin | RADB | Pleasanton, CA | MAINT-AS7132 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 170.
91. 0. 0/ 17 - Netname
- ESUHSD-BLK1
- Registrant
- East Side Union High School District
- Organization
- East Side Union High School District (ESUHSD)
- Org address
- 830 North Capitol Avenue, San Jose, CA, 95133
- Org country
- US
- Type
- Reassigned
- Handle
- NET-170-91-0-0-2
- Parent
- NET-170-91-0-0-1
- Created
- Nov 21, 2001
- RIR
- ARIN
- Country
- US
- Delegated
- Mar 18, 1994
- Status
- assigned
Report abuse
Abuse contact
- GaskaGil@
esuhsd. org - Name
- Gaska, Gilbert
- Phone
- +1-408-347-5148
- Handle
- GASKA2-ARIN