AS131475
Singapore Institute of Technology
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 →
Network profile
Source: PeeringDB →Present at 1 internet exchange: SOX
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 103.31.24.0/23 | 512 |
0.0%
|
Singapore Institute of Technology | SG | — | — |
| 103.4.232.0/24 | 256 |
0.0%
|
Singapore Institute of Technology | SG | — | — |
| 103.30.215.0/24 | 256 |
0.0%
|
Singapore Institute of Technology | SG | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS131475 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 |
|---|---|---|
| 103.30.215.0/24 | 168,692 | 2026-08-05 12:57:51 |
| 103.4.232.0/24 | 153,743 | 2026-08-05 12:57:51 |
| 103.31.24.0/24 | 25,389 | 2026-08-05 12:17:01 |
| 103.31.25.0/24 | 25,383 | 2026-08-05 12:17:01 |
Frequently Asked Questions
What is AS131475?
AS131475 is an Autonomous System Number assigned to Singapore Institute of Technology. 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 AS131475 announce?
AS131475 announces 1.0K IPv4 addresses distributed across 3 routed CIDR prefixes. The network is registered in Singapore.
Who operates AS131475?
AS131475 is operated by Singapore Institute of Technology. The organization is based in Singapore. You can view all IP ranges and related ASNs on the organization page.
What country is AS131475 registered in?
AS131475 is registered in Singapore. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
