AS38047 Taiwan Telecom

TAIWAN-TELECOM - Taiwan Telecom · registered in the United States

IPv4 addresses4,6088 prefixes · <0.001% of announced IPv4

Rank in United States#4,242largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#14,169of 79,396 networks with IPv4

IPv61 x /32 (65,802 x /48)11 prefixes

CountryUnited States18,679 ASNs registered there

Open AS38047 in ASN lookup Look up an IP in this network (103.106.52.1) All networks in United States

IPv4 prefixes

All 8 prefixes, in address order.

103.106.52.0/22
103.123.100.0/22
103.133.152.0/24
103.133.154.0/23
103.160.214.0/23
103.182.226.0/23
103.183.78.0/23
160.187.200.0/24

IPv6 prefixes

All 11 prefixes.

2400:61a0::/32
2602:f83b:2::/48
2602:f83b:54::/47
2602:f83b:886::/48
2602:f83b:1688::/48
2602:f83b:1886::/48
2602:f83b:a201::/48
2602:f83b:a202::/48
2602:f83b:a886::/48
2602:f83b:cd68::/48
2a14:67c1:d200::/40

Other ASNs named Taiwan Telecom

1 other network uses the same organisation name; together with AS38047 they announce 5,120 IPv4 addresses.

ASNNameIPv4 addresses

AS62517TAIWAN-TELECOM - Taiwan Telecom US512

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IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources