Data as of Nov 10, 2026
64.239.176.0/21
No anonymizer space · no proxy exits in 30 daysTierzero
Registrations in this block
The registry's network records over this block, widest first, each under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 64.239.128.0/18 | 16,384 | TIERZERO-700LA | Tierzero (TIERZ) · US | Direct Allocation | Oct 3, 2001 | abuse@ |
| └ 64.239.176.0/24 | 256 | TIERZERO-GLOBAL-1151 | unknown | — | — | — |
| └ 64.239.177.0/24 | 256 | TIERZERO-GLOBAL-999 | unknown | — | — | — |
| └ 64.239.178.0/24 | 256 | TIERZERO-GLOBAL-1000 | unknown | — | — | — |
| └ 64.239.179.0/25 | 128 | TIERZERO-GLOBAL-1001 | unknown | — | — | — |
| └ 64.239.179.128/25 | 128 | TIERZERO-GLOBAL-1517 | unknown | — | — | — |
| └ 64.239.180.0/24 | 256 | TIERZERO-GLOBAL-1002 | unknown | — | — | — |
| └ 64.239.181.0/24 | 256 | TIERZERO-GLOBAL-1003 | unknown | — | — | — |
| └ 64.239.182.0/24 | 256 | TIERZERO-GLOBAL-1004 | unknown | — | — | — |
| └ 64.239.183.0/24 | 256 | TIERZERO-GLOBAL-1005 | unknown | — | — | — |
Network & registry
Announced by
Covering announcement 64.239.128.0/18
- Prefix
- 64.239.128.0/18
- Announced by
- AS11509 Tierzero
- Type
- Business
- Proxy exits
- 6
- RPKI
- No RPKI
- Netname
- TIERZERO-700LA
- Registrant
- Tierzero
- RIR
- ARIN
Origin network
AS11509
US
- Name
- Tierzero
- Type
- Internet provider
- Registered
- Sep 15, 1998
- Domain
- tierzero.com
- Website
- www.tierzero.com/
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 64.239.128.0/18
64.239.128.0/18
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- Dec 2025 · 10 mo
- Origin networks
- 1
IRR
Route objects on 64.239.128.0/18
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS11509 | RADB | Tierzero | MAINT-AS11509 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 64.
239. 128. 0/ 18 - Netname
- TIERZERO-700LA
- Registrant
- Tierzero
- Organization
- Tierzero (TIERZ)
- Org address
- 77 N Mentor Ave, Pasadena, CA, 91106
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-64-239-128-0-1
- Parent
- NET-64-0-0-0-0
- Created
- Oct 3, 2001
- RIR
- ARIN
- Country
- US
- Delegated
- Oct 3, 2001
- Status
- assigned
Report abuse
Abuse contact
- abuse@
tierzero. com - Name
- Abuse Department
- Phone
- +1-213-784-1400
- Handle
- ABUSE3154-ARIN