Data as of Nov 12, 2026
158.144.136.0/22
No anonymizer space · no proxy exits in 30 daysTata Institute of Fundamental Research
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 158.144.128.0/19 since Mar 2019 | AS132524 | Business | Tata Institute of Fundamental Research | ||
| 158.144.128.0/18 since Feb 2006 | AS4755 | Internet provider | 3 | Tata Institute of Fundamental Research |
Network & registry
Announced by
Covering announcement 158.144.136.0/21
- Prefix
- 158.144.136.0/21
- Announced by
- AS132524 Tata Institute of Fundamental Research
- Type
- Business
- RPKI
- RPKI valid
- Netname
- TIFR-IP
- Registrant
- Tata Institute of Fundamental Research
- RIR
- APNIC
Origin network
AS132524
IN
- Name
- Tata Institute of Fundamental Research
- Type
- Education
- Registered
- Dec 10, 2012
- Domain
- tifr.res.in
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
158.144.136.0/21
Routing history
- Pattern
- Stable
- First seen
- Jan 2026
- Current origin since
- Jan 2026 · 9 mo
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 158.144.128.0/19 | AS132524 | /24 | APNIC | RPKI valid |
IRR
Route objects on 158.144.136.0/21
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS132524 | APNIC | Tata Institute Of Fundamental Research | MAINT-IN-TIFR MAINT-IN-IRINN | Dec 14, 2025 |
Whois
Registration for this announcement
- Range
- 158.
144. 0. 0/ 16 - Netname
- TIFR-IP
- Registrant
- Tata Institute of Fundamental Research
- Registrant country
- IN
- Organization
- Tata Institute of Fundamental Research
- Org country
- IN
- Type
- ALLOCATED PORTABLE
- Created
- Not stated by the registry
- Updated
- Aug 11, 2025
- Maintainer
- MAINT-IN-IRINN
- RIR
- APNIC
- Country
- IN
- Delegated
- Mar 10, 1992
- Status
- assigned
Report abuse
Abuse contact
- ipmatter@
tifr. res. in - Name
- IRT-IRINN-TIFR
- Handle
- IRT-IRINN-TIFR