Data as of Nov 7, 2026
158.144.186.0/23
No anonymizer space · no proxy exits in 30 daysRailTel Corporation of India Ltd · space held by Tata Institute of Fundamental Research
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 158.144.128.0/18 since Feb 2006 | AS4755 | Internet provider | 2 | Tata Institute of Fundamental Research |
Network & registry
Origin network
AS24186
IN
- Name
- RailTel Corporation of India Ltd
- Type
- Internet provider
- Registered
- Oct 28, 2005
- Domain
- railtelindia.com
- Website
- www.railtelindia.com
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Jul 2019
- Current origin since
- Jul 2019 · 7.3 yr
- Origin networks
- 1
RPKI
Route origin authorizations
IRR
Route objects on the exact prefix
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 158.144.186.0/24 | AS24186 | APNIC | route object | MAINT-IN-TIFR MAINT-IN-IRINN | Dec 14, 2025 |
| 158.144.186.0/24 | AS55824 | APNIC | Route & ROA | MAINT-IN-TIFR MAINT-IN-IRINN | Dec 14, 2025 |
| 158.144.187.0/24 | AS24186 | APNIC | route object | MAINT-IN-TIFR MAINT-IN-IRINN | Dec 14, 2025 |
| 158.144.187.0/24 | AS55824 | APNIC | Route & ROA | 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