Data as of Nov 5, 2026
137.145.0.0/16
No anonymizer space · no proxy exits in 30 daysCENIC · space held by California State University, Office of the Chancellor
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 |
|---|---|---|---|---|
| 137.145.7.0/24 | AS2152 | Business | California State University, Office of the Chancellor | |
| 137.145.10.0/24 | AS2152 | Business | California State University, Office of the Chancellor | |
| 137.145.17.0/24 | AS2152 | Business | California State University, Office of the Chancellor | |
| 137.145.20.0/24 | AS2152 | Business | California State University, Office of the Chancellor | |
| 137.145.21.0/24 | AS2152 | Business | California State University, Office of the Chancellor | |
| 137.145.22.0/24 | AS2152 | Business | California State University, Office of the Chancellor | |
| 137.145.23.0/24 | AS2152 | Business | California State University, Office of the Chancellor | |
| 137.145.34.0/24 | AS2152 | Business | California State University, Office of the Chancellor | |
| 137.145.35.0/24 | AS2152 | Business | California State University, Office of the Chancellor | |
| 137.145.36.0/24 | AS2152 | Business | California State University, Office of the Chancellor | |
| 137.145.40.0/24 | AS2152 | Business | California State University, Office of the Chancellor | |
| 137.145.96.0/22 | AS2152 | Business | California State University, Office of the Chancellor | |
| 137.145.130.0/24 | AS2152 | Business | California State University, Office of the Chancellor | |
| 137.145.133.0/24 | AS2152 | Business | California State University, Office of the Chancellor | |
| 137.145.148.0/24 | AS2152 | Business | California State University, Office of the Chancellor | |
| 137.145.150.0/24 | AS2152 | Business | California State University, Office of the Chancellor | |
| 137.145.160.0/24 | AS2152 | Business | California State University, Office of the Chancellor | |
| 137.145.161.0/24 | AS2152 | Business | California State University, Office of the Chancellor | |
| 137.145.165.0/24 | AS2152 | Business | California State University, Office of the Chancellor | |
| 137.145.166.0/23 | AS2152 | Business | California State University, Office of the Chancellor | |
| 137.145.168.0/23 | AS2152 | Business | California State University, Office of the Chancellor | |
| 137.145.170.0/24 | AS2152 | Business | California State University, Office of the Chancellor | |
| 137.145.171.0/24 | AS2152 | Business | California State University, Office of the Chancellor | |
| 137.145.172.0/24 | AS2152 | Business | California State University, Office of the Chancellor | |
| 137.145.176.0/22 | AS2152 | Business | California State University, Office of the Chancellor | |
| 137.145.180.0/22 | AS2152 | Business | California State University, Office of the Chancellor | |
| 137.145.184.0/24 | AS2152 | Business | California State University, Office of the Chancellor | |
| 137.145.187.0/24 | AS2152 | Business | California State University, Office of the Chancellor | |
| 137.145.189.0/24 | AS2152 | Business | California State University, Office of the Chancellor | |
| 137.145.190.0/23 | AS2152 | Business | California State University, Office of the Chancellor | |
| 137.145.196.0/23 | AS2152 | Business | California State University, Office of the Chancellor | |
| 137.145.199.0/24 | AS2152 | Business | California State University, Office of the Chancellor | |
| 137.145.203.0/24 | AS2152 | Business | California State University, Office of the Chancellor | |
| 137.145.224.0/24 | AS2152 | Business | California State University, Office of the Chancellor | |
| 137.145.230.0/23 | AS2152 | Business | California State University, Office of the Chancellor | |
| 137.145.232.0/23 | AS2152 | Business | California State University, Office of the Chancellor | |
| 137.145.234.0/23 | AS2152 | Business | California State University, Office of the Chancellor | |
| 137.145.236.0/23 | AS2152 | Business | California State University, Office of the Chancellor | |
| 137.145.238.0/23 | AS2152 | Business | California State University, Office of the Chancellor | |
| 137.145.240.0/23 | AS2152 | Business | California State University, Office of the Chancellor |
Network & registry
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- May 2005 · 21 yr
- Origin networks
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS2152 | RADB | CALINET | MAINT-AS2150 | Nov 13, 2023 |
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 137.145.26.0/24 | AS2150 | RADB | AS2150 proxy-registered route by Cogent | MAINT-AS174 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 137.
145. 0. 0/ 16 - Netname
- CALINET
- Registrant
- California State University, Office of the Chancellor
- Organization
- California State University, Office of the Chancellor (CSU-Z)
- Org address
- 401 Golden Shore, Long Beach, CA, 90802
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-137-145-0-0-1
- Parent
- NET-137-0-0-0-0
- Created
- Nov 30, 1989
- RIR
- ARIN
- Country
- US
- Delegated
- Nov 30, 1989
- Status
- assigned
Report abuse
Abuse contact
- wedns@
calstate. edu - Name
- CSU DNS Administrator
- Phone
- +1-562-951-8500
- Handle
- CDA56-ARIN