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Autonomous System

AS4961

Daewoo Information Systems

Announced IPs
95,744
CIDR prefixes
17
ASN
AS4961

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

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS4961 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
219.240.92.0/24 46,779 2026-09-12 10:09:44
152.149.190.0/24 31,497 2026-09-12 10:04:21
152.149.64.0/18 27,867 2026-09-12 08:30:56
211.217.8.0/24 27,380 2026-09-12 08:30:56
210.122.16.0/20 27,237 2026-09-12 08:30:56
211.217.19.0/24 27,197 2026-09-12 08:30:56
211.217.18.0/24 26,745 2026-09-12 08:30:56
165.133.38.0/24 25,554 2026-09-12 08:30:56
211.217.10.0/24 25,544 2026-09-12 08:30:56
211.217.16.0/24 25,516 2026-09-12 08:30:56
211.217.17.0/24 25,448 2026-09-12 08:30:56
211.217.14.0/24 25,036 2026-09-12 08:30:56
211.217.21.0/24 25,026 2026-09-12 08:30:56
152.149.213.0/24 24,977 2026-09-12 08:30:56
211.217.15.0/24 24,862 2026-09-12 08:30:56
165.133.128.0/17 24,825 2026-09-12 08:30:56
211.217.11.0/24 24,697 2026-09-12 08:30:56
211.217.20.0/24 24,684 2026-09-12 08:30:56
211.217.12.0/24 24,616 2026-09-12 08:30:56
165.133.39.0/24 24,615 2026-09-12 08:30:56
211.217.9.0/24 24,613 2026-09-12 08:30:56
152.149.128.0/17 24,431 2026-09-12 08:30:56
211.217.13.0/24 24,288 2026-09-12 08:30:56
165.133.40.0/24 24,288 2026-09-12 08:30:56
152.149.48.0/20 24,228 2026-09-12 08:30:56
211.217.22.0/24 24,208 2026-09-12 08:30:56
152.149.40.0/21 24,162 2026-09-12 08:30:56

Frequently Asked Questions

What is AS4961?

AS4961 is an Autonomous System Number assigned to Daewoo Information Systems. 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 AS4961 announce?

AS4961 announces 95.7K IPv4 addresses distributed across 17 routed CIDR prefixes. The network is registered in South Korea.

Who operates AS4961?

AS4961 is operated by Daewoo Information Systems. The organization is based in South Korea. You can view all IP ranges and related ASNs on the organization page.

What country is AS4961 registered in?

AS4961 is registered in South Korea. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-09-12 10:24:05 UTC
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