Data as of Nov 11, 2026
72.18.7.0/25
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 |
|---|---|---|---|---|---|---|
| 72.18.0.0/19 | 8,192 | TIERZERO-700LA | Tierzero (TIERZ) · US | Direct Allocation | Nov 18, 2004 | abuse@ |
| └ 72.18.7.0/25 | 128 | TIERZERO-1209140992 | unknown | — | — | — |
Network & registry
Announced by
Covering announcement 72.18.0.0/19
- Prefix
- 72.18.0.0/19
- Announced by
- AS11509 Tierzero
- Type
- Business
- 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 72.18.0.0/19
72.18.0.0/19
Routing history
- Pattern
- Stable
- First seen
- Oct 2007
- Current origin since
- Oct 2007 · 19 yr
- Origin networks
- 1
IRR
Route objects on 72.18.0.0/19
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS11509 | RADB | Tierzero | MAINT-AS11509 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 72.
18. 0. 0/ 19 - 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-72-18-0-0-1
- Parent
- NET-72-0-0-0-0
- Created
- Nov 18, 2004
- RIR
- ARIN
- Country
- US
- Delegated
- Nov 18, 2004
- Status
- assigned
Report abuse
Abuse contact
- abuse@
tierzero. com - Name
- Abuse Department
- Phone
- +1-213-784-1400
- Handle
- ABUSE3154-ARIN