Data as of Nov 7, 2026
137.164.128.0/22
No anonymizer space · no proxy exits in 30 daysCENIC
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 |
|---|---|---|---|---|---|---|
| 137.164.0.0/16 | 65,536 | CALREN | CENIC (CENIC) · US | Direct Allocation | Dec 21, 1989 | abuse@ |
| └ 137.164.128.0/22 | 1,024 | NLR-128-131 | unknown | — | — | — |
Network & registry
Announced by
Covering announcement 137.164.0.0/16
- Prefix
- 137.164.0.0/16
- Announced by
- AS2152 CENIC
- Type
- Business
- Proxy exits
- 20
- RPKI
- No RPKI
- Netname
- CALREN
- Registrant
- CENIC
- RIR
- ARIN
Routing timeline
Who has announced 137.164.0.0/16
137.164.0.0/16
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- May 2005 · 21 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 137.
164. 0. 0/ 16 - Netname
- CALREN
- Registrant
- CENIC
- Organization
- CENIC (CENIC)
- Org address
- 5757 Plaza Drive, Suite 205, Cypress, CA, 90630-5029
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-137-164-0-0-1
- Parent
- NET-137-0-0-0-0
- Created
- Dec 21, 1989
- RIR
- ARIN
- Country
- US
- Delegated
- Dec 21, 1989
- Status
- assigned
Report abuse
Abuse contact
- abuse@
cenic. org - Name
- CENIC Abuse
- Phone
- +1-714-220-3494
- Handle
- ABUSE711-ARIN