Data as of Nov 6, 2026
209.129.16.0/21
2 residential-proxy exits · 30 daysCENIC
Residential-proxy exits
Proxy exits
2
0.10% of its addresses · 30 days
Spread
1 of 8
/24s with at least one exit
Providers
5
selling exits here
Oct 7, 2026 – Nov 5, 2026
Exits seen per day
105 observations
Proxy providers listing exits
- AnyIP
- ColaProxy
- Elusive
- Proxying
- Thordata
Announcements
More specific
Announcements inside
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 209.129.16.0/24 since Sep 18, 2026 | AS2152 | Business | 2 | CENIC | |
| 209.129.17.0/24 | AS2152 | Business | CENIC |
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 |
|---|---|---|---|---|---|---|
| 209.129.0.0/16 | 65,536 | CENIC | CENIC (CENIC) · US | Direct Allocation | Jul 8, 2024 | abuse@ |
| └ 209.129.16.0/21 | 2,048 | SD-CCD-1 | San Diego Community College District (SDCCD-1) · US | Reassigned | Sep 14, 2012 | ebrown@ |
Network & registry
Announced by
Covering announcement 209.129.0.0/16
- Prefix
- 209.129.0.0/16
- Announced by
- AS2152 CENIC
- Type
- Business
- Proxy exits
- 76
- RPKI
- No RPKI
- Netname
- CENIC
- Registrant
- CENIC
- RIR
- ARIN
Routing timeline
Who has announced 209.129.0.0/16
209.129.0.0/16
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- May 2005 · 21 yr
- Origin networks
- 1
IRR
Route objects on 209.129.0.0/16
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS2152 | RADB | NETBLK-CSUNET-SOUTH | MAINT-AS2150 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 209.
129. 0. 0/ 16 - Netname
- CENIC
- Registrant
- CENIC
- Organization
- CENIC (CENIC)
- Org address
- 5757 Plaza Drive, Suite 205, Cypress, CA, 90630-5029
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-209-129-0-0-1
- Parent
- NET-209-0-0-0-0
- Created
- Jul 8, 2024
- RIR
- ARIN
- Country
- US
- Delegated
- Jul 8, 2024
- Status
- assigned
Report abuse
Abuse contact
- abuse@
cenic. org - Name
- CENIC Abuse
- Phone
- +1-714-220-3494
- Handle
- ABUSE711-ARIN