Data as of Nov 8, 2026
207.31.128.0/18
No anonymizer space · no proxy exits in 30 daysLos Angeles County Office of Education
Announcements
Nesting
More-specifics by size
Sized by addresses, colored by each announcement's type. Click a tile with children to zoom in, a leaf to open it.
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 207.31.128.0/22 since Sep 2017 | AS2920 | Business | Los Angeles County Office of Education | |
| 207.31.132.0/24 since Sep 2017 | AS2920 | Business | Los Angeles County Office of Education | |
| 207.31.133.0/24 since May 2024 | AS2920 | Business | Los Angeles County Office of Education | |
| 207.31.136.0/23 since May 2024 | AS2920 | Business | Los Angeles County Office of Education | |
| 207.31.138.0/24 since Jul 2026 | AS2920 | Business | Los Angeles County Office of Education | |
| 207.31.144.0/21 since Jan 2020 | AS2920 | Business | Los Angeles County Office of Education | |
| 207.31.151.0/24 since Jan 2020 | AS2920 | Business | Los Angeles County Office of Education | |
| 207.31.159.0/24 since May 2020 | AS2920 | Business | Los Angeles County Office of Education | |
| 207.31.161.0/24 since Mar 2024 | AS2920 | Business | Los Angeles County Office of Education | |
| 207.31.166.0/24 since Dec 2022 | AS46887 | Business | Los Angeles County Office of Education | |
| 207.31.176.0/24 since May 2020 | AS2920 | Business | Los Angeles County Office of Education | |
| 207.31.177.0/24 since Jun 2017 | AS2920 | Business | Los Angeles County Office of Education | |
| 207.31.178.0/24 since Jun 2017 | AS2920 | Business | Los Angeles County Office of Education | |
| 207.31.179.0/24 since Jun 2017 | AS2920 | Business | Los Angeles County Office of Education | |
| 207.31.180.0/24 since Jun 2017 | AS2920 | Business | Los Angeles County Office of Education | |
| 207.31.188.0/24 since Aug 2021 | AS2920 | Business | Los Angeles County Office of Education | |
| 207.31.189.0/24 since Aug 2021 | AS2920 | Business | Los Angeles County Office of Education | |
| 207.31.190.0/23 since Oct 2020 | AS2920 | Business | Los Angeles 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 |
|---|---|---|---|---|---|---|
| 207.31.128.0/18 | 16,384 | LACOE-BLK | Los Angeles County Office of Education (LACE-Z) · US | Direct Allocation | Jan 24, 1996 | zambrano_ |
| └ 207. | 3,328 | MUSD-NET | Montebello Unified School District (MUSD-2) · US | Reassigned | Apr 23, 1996 | — |
| └ 207. | 768 | NET-207-31-128-0 | unknown | — | — | — |
| └ 207. | 1,280 | EMUHSD-NET | unknown | — | — | — |
| └ 207. | 3,072 | AUHSD-NET | Anaheim Union High School District (AUHSD) · US | Reassigned | Apr 25, 1996 | — |
| └ 207.31.166.0/24 | 256 | RETURN-IP-TO-BP | Baldwin Park Unified School District (BPUSD-1) · US | Reassigned | May 21, 2014 | ccsmith705@ |
| └ 207.31.167.0/24 | 256 | HBCSD | unknown | — | — | — |
| └ 207.31.168.0/24 | 256 | LBUSD-168 | unknown | — | — | — |
| └ 207.31.169.0/24 | 256 | BURBANK-K12 | unknown | — | — | — |
| └ 207.31.170.0/23 | 512 | SAUSD | unknown | — | — | — |
| └ 207.31.172.0/22 | 1,024 | LVUSD | unknown | — | — | — |
| └ 207.31.176.0/24 | 256 | OAKWOOD-K12 | Oakwood School (OAKWOO) · US | Reassigned | Apr 25, 1996 | — |
| └ 207. | 1,024 | GLENDORA | Glendora Unified School District (GUSD) · US | Reassigned | Apr 25, 1996 | — |
| └ 207. | 512 | BOSCO | unknown | — | — | — |
| └ 207.31.184.0/24 | 256 | BASUSD | unknown | — | — | — |
| └ 207. | 512 | SMMUSD | unknown | — | — | — |
| └ 207. | 512 | NLMUSD | Norwalk La Mirada Unified School District (NLMUSD) · US | Reassigned | Apr 25, 1996 | — |
| └ 207.31.189.0/24 | 256 | IUSD | Inglewood Unified School District (IUSD) · US | Reassigned | Apr 25, 1996 | — |
| └ 207.31.190.0/23 | 512 | RCS | Ramona Convent School (RCS-15) · US | Reassigned | Apr 23, 1996 | — |
Network & registry
Origin network
AS2920
US
- Name
- Los Angeles County Office of Education
- Type
- Education
- Registered
- Sep 23, 1993
- Domain
- lacoe.edu
- Industry
- Colleges, Universities, and Professional Schools
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- May 2005 · 22 yr
- Origin networks
- 2
- Last change of origin
- Mar 2021
Recorded history
History
- Handoffs
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS2920 | RADB | NETBLK-LACOE-2 | MAINT-AS2150 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 207.
31. 128. 0/ 18 - Netname
- LACOE-BLK
- Registrant
- Los Angeles County Office of Education
- Organization
- Los Angeles County Office of Education (LACE-Z)
- Org address
- 9300 Imperial Highway, Downey, CA, 90242-2890
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-207-31-128-0-1
- Parent
- NET-207-0-0-0-0
- Created
- Jan 24, 1996
- RIR
- ARIN
- Country
- US
- Delegated
- Jan 24, 1996
- Status
- assigned
Report abuse
Abuse contact
- zambrano_
roger@ lacoe. edu - Name
- Zambrano, Rogelio
- Phone
- +1-562-922-6872
- Handle
- ZAMBR12-ARIN