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Autonomous System

AS38331

Institut Teknologi Sepuluh Nopember

Announced IPs
1,280
CIDR prefixes
2
ASN
AS38331

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.

65/100
Moderate
How this score is built

Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
103.94.188.0/22 1.0K
0.0%
Institut Teknologi Sepuluh Nopember ID
202.46.129.0/24 256
32.0%
Institut Teknologi Sepuluh Nopember ID

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS38331 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
103.94.188.0/22 31,111 2026-08-04 02:02:39
202.46.129.0/24 29,236 2026-08-04 02:02:39

Frequently Asked Questions

What is AS38331?

AS38331 is an Autonomous System Number assigned to Institut Teknologi Sepuluh Nopember. 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 AS38331 announce?

AS38331 announces 1.3K IPv4 addresses distributed across 2 routed CIDR prefixes. The network is registered in Indonesia.

Who operates AS38331?

AS38331 is operated by Institut Teknologi Sepuluh Nopember. The organization is based in Indonesia. You can view all IP ranges and related ASNs on the organization page.

What country is AS38331 registered in?

AS38331 is registered in Indonesia. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-08-04 02:10:31 UTC
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