Data as of Nov 11, 2026
129.49.4.0/24
No anonymizer space · no proxy exits in 30 daysState University of New York at Stony Brook
Announced by
Type
Business
Risk
0 / 100 · Low
Recent change
New origin Sep 18, 2026
from AS5719 State University of New York at Stony Brook, after 10.2 years unannounced
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 129.49.0.0/16 since May 2005 | AS5719 | Business | 44 1 always on | State University of New York at Stony Brook |
Network & registry
Announced by
Covering announcement 129.49.0.0/17
- Prefix
- 129.49.0.0/17
- Announced by
- AS5719 State University of New York at Stony Brook
- Type
- Business
- Proxy exits
- 29
- Always-on exits
- 1
- RPKI
- RPKI valid
- Netname
- SBU-129-49-0-0-16
- Registrant
- State University of New York at Stony Brook
- RIR
- ARIN
Origin network
AS5719
US
- Name
- State University of New York at Stony Brook
- Type
- Education
- Registered
- Sep 6, 1995
- Domain
- stonybrook.edu
- Industry
- Computer and Information Technology
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
129.49.0.0/17
Routing history
- Pattern
- Stable
- First seen
- May 2010
- Current origin since
- Sep 18, 2026 · 2 mo
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 129.49.0.0/16 | AS5719 | /24 | ARIN | RPKI valid |
IRR
Route objects on 129.49.0.0/17
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS5719 | RADB | Proxy registration for Stony Brook University | MAINT-AS3754 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 129.
49. 0. 0/ 16 - Netname
- SBU-129-49-0-0-16
- Registrant
- State University of New York at Stony Brook
- Organization
- State University of New York at Stony Brook (SUNYASB-Z)
- Org address
- 247 ECC Building, Stony Brook, NY, 11794-2620
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-129-49-0-0-1
- Parent
- NET-129-0-0-0-0
- Created
- Aug 3, 1987
- RIR
- ARIN
- Country
- US
- Delegated
- Aug 3, 1987
- Status
- assigned
Report abuse
Abuse contact
- nobody@
example. com - Name
- No, Contact Known
- Phone
- +1-800-555-1234
- Handle
- CKN23-ARIN