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Autonomous System

AS38047

Taiwan Telecom

Announced IPs
4,096
CIDR prefixes
7
ASN
AS38047

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.

70/100
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
103.106.52.0/22 1.0K
0.5%
Taiwan Telecom US
103.123.100.0/22 1.0K
0.6%
Taiwan Telecom US
103.106.52.0/23 512
0.0%
Taiwan Telecom TW
103.106.54.0/23 512
0.0%
Taiwan Telecom US
103.133.154.0/23 512
0.0%
Taiwan Telecom US
103.182.226.0/23 512
0.0%
Taiwan Telecom TW
103.183.78.0/23 512
0.0%
Taiwan Telecom TW
103.133.152.0/24 256
0.0%
Taiwan Telecom US
160.187.200.0/24 256
0.0%
Taiwan Telecom TW

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS38047 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
103.106.55.0/24 100,734 2026-08-01 13:24:35
103.123.100.0/24 99,544 2026-08-01 13:24:35
103.123.101.0/24 98,293 2026-08-01 13:24:35
103.123.103.0/24 96,312 2026-08-01 13:24:35
103.106.54.0/24 92,371 2026-08-01 13:24:35
103.182.227.0/24 87,656 2026-08-01 13:24:45
103.182.226.0/24 19,199 2026-08-01 13:24:44
103.183.79.0/24 16,902 2026-08-01 13:24:42
103.123.102.0/24 15,754 2026-08-01 13:24:48
103.133.152.0/24 10,882 2026-08-01 13:24:50
103.133.155.0/24 10,796 2026-08-01 13:24:50
103.133.154.0/24 10,714 2026-08-01 13:24:50
103.106.52.0/24 10,575 2026-08-01 13:24:50
103.106.53.0/24 10,321 2026-08-01 13:24:50
103.183.78.0/24 10,200 2026-08-01 13:24:50
160.187.200.0/24 9,478 2026-08-01 13:24:50

Frequently Asked Questions

What is AS38047?

AS38047 is an Autonomous System Number assigned to Taiwan Telecom. 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 AS38047 announce?

AS38047 announces 4.1K IPv4 addresses distributed across 7 routed CIDR prefixes. The network is registered in United States.

Who operates AS38047?

AS38047 is operated by Taiwan Telecom. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.

What country is AS38047 registered in?

AS38047 is registered in United States. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-08-01 13:55:31 UTC
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