Data as of Nov 8, 2026
216.134.121.0/24
No anonymizer space · no proxy exits in 30 daysTexas State Technical College Harlingen · space held by Texas State Technical College Sweetwater
Announcement
this exact prefix
No RPKI
Announced by
Type
Business
Risk
0 / 100 · Low
Recent change
New origin Aug 2026
its first announcement on record
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 216.134.112.0/20 since Mar 2020 | AS397360 | Business | 3 | Texas State Technical College Sweetwater |
Network & registry
Origin network
AS397360
US
- Name
- Texas State Technical College Harlingen
- Type
- Education
- Registered
- Mar 6, 2019
- Domain
- tstc.edu
- Industry
- Education Software
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Aug 2026
- Current origin since
- Aug 2026 · 3 mo
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 216.
134. 0. 0 - 216. 134. 159. 255 - Netname
- WTTC-NET
- Registrant
- Texas State Technical College Sweetwater
- Organization
- Texas State Technical College Sweetwater (TSTC)
- Org address
- 3801 Campus Drive, Waco, TX, 76705
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-216-134-0-0-1
- Parent
- NET-216-0-0-0-0
- Created
- Aug 7, 2000
- RIR
- ARIN
- Country
- US
- Delegated
- Aug 7, 2000
- Status
- assigned
Report abuse
Abuse contact
- abuse@
tstc. edu - Name
- Abuse
- Phone
- +1-254-867-3375
- Handle
- ABUSE465-ARIN