Data as of Nov 13, 2026
140.112.136.0/24
1 residential-proxy exit · 30 daysNational Taiwan University · space held by Taiwan Academic Network
Residential-proxy exits
Proxy exits
1
0.39% of its addresses · 30 days
Providers
2
selling exits here
Oct 14, 2026 – Nov 12, 2026
Exits seen per day
5 observations
Proxy providers listing exits
- RainProxy
- Shifter
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | RPKI |
|---|---|---|---|---|
| 140.112.0.0/12 since May 2005 | AS1659 | Business | 3,258 51 always on |
Network & registry
Announced by
Covering announcement 140.112.0.0/16
- Prefix
- 140.112.0.0/16
- Announced by
- AS17716 National Taiwan University
- Type
- Business
- Proxy exits
- 913
- Always-on exits
- 4
- RPKI
- RPKI valid
- Netname
- TANET
- Registrant
- Taiwan Academic Network
- RIR
- APNIC
Origin network
AS17716
TW
- Name
- National Taiwan University
- Type
- Education
- Registered
- Apr 2, 2001
- Domain
- ntu.edu.tw
- Website
- www.ntu.edu.tw
- Industry
- Colleges, Universities, and Professional Schools
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
140.112.0.0/16
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- Sep 2025 · 1.2 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 140.112.0.0/16 | AS17716 | /16 | APNIC | RPKI valid |
| 140.112.0.0/12 | AS1659 | /12 | APNIC | Another network |
Whois
Registration for this announcement
- Range
- 140.
112. 0. 0/ 16 - Netname
- TANET
- Registrant
- Taiwan Academic Network
- Registrant country
- TW
- Organization
- Taiwan Academic Network
- Org country
- TW
- Type
- ALLOCATED PORTABLE
- Created
- Not stated by the registry
- Updated
- Nov 7, 2025
- Maintainer
- MAINT-TW-TWNIC
- RIR
- APNIC
- Country
- TW
- Delegated
- Mar 24, 1990
- Status
- assigned
Report abuse
Abuse contact
- hostmaster@
twnic. tw - Name
- ABUSE TWNICAP
- Handle
- AT939-AP