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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 v1.3.0 — 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 94,408 2026-11-14 19:13:08
152.149.190.0/24 61,769 2026-11-14 12:07:15
152.149.64.0/18 36,889 2026-11-14 16:33:39
211.217.8.0/24 36,077 2026-11-14 16:33:41
211.217.19.0/24 35,968 2026-11-14 16:33:40
210.122.16.0/20 35,928 2026-11-14 16:33:34
211.217.18.0/24 35,544 2026-11-14 16:33:40
211.217.16.0/24 34,489 2026-11-14 16:33:40
211.217.17.0/24 34,336 2026-11-14 16:33:40
165.133.38.0/24 34,276 2026-11-14 16:33:39
211.217.10.0/24 34,210 2026-11-14 16:33:41
211.217.15.0/24 33,860 2026-11-14 16:33:41
211.217.14.0/24 33,734 2026-11-14 16:33:41
211.217.21.0/24 33,685 2026-11-14 16:33:40
152.149.213.0/24 33,628 2026-11-14 16:33:30
165.133.128.0/17 33,530 2026-11-14 16:33:34
211.217.11.0/24 33,453 2026-11-14 16:33:41
211.217.12.0/24 33,347 2026-11-14 16:33:41
211.217.20.0/24 33,313 2026-11-14 16:33:40
211.217.9.0/24 33,300 2026-11-14 16:33:41
165.133.39.0/24 33,290 2026-11-14 16:33:39
152.149.128.0/17 33,126 2026-11-14 16:33:35
165.133.40.0/24 33,024 2026-11-14 16:33:39
211.217.13.0/24 32,995 2026-11-14 16:33:41
152.149.48.0/20 32,885 2026-11-14 16:33:45
152.149.40.0/21 32,832 2026-11-14 16:33:43
211.217.22.0/24 32,823 2026-11-14 16:33:40

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: 2026-11-14 19:54:05 UTC
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