Data as of Nov 14, 2026
128.239.33.0/24
No anonymizer space · no proxy exits in 30 daysThe College of William and Mary
Announcement
this exact prefix
No RPKI
Announced by
Type
Business
Risk
0 / 100 · Low
Recent change
New origin Sep 18, 2026
from AS11975 The College of William and Mary, after 6.2 years unannounced
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 128.239.0.0/17 since Mar 2009 | AS11975 | Business | 1 | The College of William and Mary | |
| 128.239.0.0/16 since May 2005 | AS11975 | Business | 603 | The College of William and Mary |
Network & registry
Origin network
AS11975
US
- Name
- The College of William and Mary
- Type
- Education
- Registered
- Feb 18, 1999
- Domain
- wm.edu
- Industry
- Colleges, Universities, and Professional Schools
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- May 2014
- Current origin since
- Sep 18, 2026 · 2 mo
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 128.
239. 0. 0/ 16 - Netname
- WM-NET
- Registrant
- The College of William and Mary
- Organization
- The College of William and Mary (CWM-11-Z)
- Org address
- 150 Blow Memorial Hall, Williamsburg, VA, 23187
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-128-239-0-0-1
- Parent
- NET-128-0-0-0-0
- Created
- May 6, 1987
- RIR
- ARIN
- Country
- US
- Delegated
- May 6, 1987
- Status
- assigned
Report abuse
Abuse contact
- abuse@
wm. edu - Name
- Abuse
- Phone
- +1-757-221-3000
- Handle
- ABUSE5074-ARIN