Data as of Nov 9, 2026
216.31.163.192/28
No anonymizer space · no proxy exits in 30 daysTierzero
Network & registry
Announced by
Covering announcement 216.31.128.0/18
- Prefix
- 216.31.128.0/18
- 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 216.31.128.0/18
216.31.128.0/18
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- Apr 2026 · 7 mo
- Origin networks
- 1
IRR
Route objects on 216.31.128.0/18
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS11509 | RADB | TIERZERO AS11509 | MAINT-AS11509 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 216.
31. 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-216-31-128-0-1
- Parent
- NET-216-0-0-0-0
- Created
- Mar 1, 2001
- RIR
- ARIN
- Country
- US
- Delegated
- Mar 1, 2001
- Status
- assigned
Report abuse
Abuse contact
- abuse@
tierzero. com - Name
- Abuse Department
- Phone
- +1-213-784-1400
- Handle
- ABUSE3154-ARIN