AS23770
Tata Institute of Fundamental Research
Reputation · trust score
A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.
- Baseline (neutral) 65
- Academic allocation +6
- Trust score 71 / 100
Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 158.144.174.0/23 | 512 |
0.0%
|
Tata Institute of Fundamental Research | IN | — | — |
| 158.144.176.0/24 | 256 |
3.5%
|
Tata Institute of Fundamental Research | IN | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS23770 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.
| Prefix | Announcement samples | Last seen |
|---|---|---|
| 158.144.176.0/24 | 138,192 | 2026-07-31 06:12:24 |
| 158.144.174.0/24 | 59,300 | 2026-07-13 06:46:18 |
| 158.144.175.0/24 | 59,266 | 2026-07-13 06:46:18 |
Frequently Asked Questions
What is AS23770?
AS23770 is an Autonomous System Number assigned to Tata Institute of Fundamental Research. An ASN identifies a network that controls a specific set of IP addresses and determines how traffic is routed across the internet via BGP (Border Gateway Protocol).
How many IP addresses does AS23770 announce?
AS23770 announces 768 IPv4 addresses distributed across 2 routed CIDR prefixes. The network is registered in India.
Who operates AS23770?
AS23770 is operated by Tata Institute of Fundamental Research. The organization is based in India. You can view all IP ranges and related ASNs on the organization page.
What country is AS23770 registered in?
AS23770 is registered in India. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
