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Autonomous System

AS133448

Korea

Announced IPs
2,048
CIDR prefixes
7
ASN
AS133448

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 v1.2.1 — a transparent heuristic, not a definitive verdict. How it works →

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
45.204.22.0/23 512
0.0%
Korea SC — —
45.204.19.0/24 256
0.0%
Korea SC — —
101.55.59.0/24 256
0.0%
Korea KR — —
103.86.85.0/24 256
0.0%
Korea CN — —
103.86.87.0/24 256
0.0%
Korea CN — —
103.101.188.0/24 256
0.0%
Korea HK — —
103.229.226.0/24 256
0.0%
Korea TW — —
119.42.33.0/24 256
0.0%
Korea AU — —
103.101.188.128/25 128
0.0%
Korea KR — —
103.101.188.64/26 64
0.0%
Korea KR — —
103.101.188.0/27 32
0.0%
Korea HK — —
103.101.188.32/27 32
0.0%
Korea KR — —

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS133448 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
103.101.188.0/24 28,179 2026-10-13 08:50:25
45.204.23.0/24 25,378 2026-10-13 08:47:59
119.42.33.0/24 21,324 2026-10-13 09:01:36
103.86.85.0/24 21,153 2026-10-13 09:15:14
103.86.87.0/24 21,021 2026-10-13 09:15:14
101.55.59.0/24 20,905 2026-10-13 09:15:14
45.204.22.0/24 15,616 2026-10-13 09:03:02
45.204.19.0/24 13,672 2026-10-13 09:03:02
103.229.226.0/24 1,942 2026-10-08 22:34:26
45.200.140.0/24 13 2026-09-18 08:59:50
45.200.141.0/24 13 2026-09-18 08:59:50
154.89.11.0/24 13 2026-09-18 08:59:50
154.89.9.0/24 13 2026-09-18 08:59:50
185.90.62.0/24 9 2026-05-26 12:33:33
154.89.8.0/24 7 2026-09-18 08:59:50
154.89.10.0/24 7 2026-09-18 08:59:50

Frequently Asked Questions

What is AS133448?

AS133448 is an Autonomous System Number assigned to Korea. 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 AS133448 announce?

AS133448 announces 2.0K IPv4 addresses distributed across 7 routed CIDR prefixes. The network is registered in Hong Kong.

Who operates AS133448?

AS133448 is operated by Korea. The organization is based in Hong Kong. You can view all IP ranges and related ASNs on the organization page.

What country is AS133448 registered in?

AS133448 is registered in Hong Kong. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-10-13 09:24:05 UTC
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