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
- Trust score 65 / 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 |
|---|---|---|---|---|---|---|
| 121.127.4.0/23 | 512 |
54.3%
|
VITRO INC. | PH | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS38491 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 |
|---|---|---|
| 121.127.5.0/24 | 32,977 | 2026-07-24 07:50:37 |
| 121.127.4.0/24 | 32,256 | 2026-07-24 07:50:37 |
Frequently Asked Questions
What is AS38491?
AS38491 is an Autonomous System Number assigned to VITRO INC.. 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 AS38491 announce?
AS38491 announces 512 IPv4 addresses distributed across 1 routed CIDR prefixes. The network is registered in Philippines.
Who operates AS38491?
AS38491 is operated by VITRO INC.. The organization is based in Philippines. You can view all IP ranges and related ASNs on the organization page.
What country is AS38491 registered in?
AS38491 is registered in Philippines. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
