203.66.245.0/24 RPKI valid

Taiwan Semiconductor Manufactoring Company, Ltd. · Updated 21.10.2026 15:15 UTC

Network Information

Prefix
203.66.245.0/24
Network Description:
—
Address range
203.66.245.0 – 203.66.245.255
Size
256 addresses
Origin AS
AS23675 Taiwan Semiconductor Manufactoring Company, Ltd.
AS path
AS208972AS13335AS23675
Paths seen
5
RPKI
RPKI valid
Location
TW Hsinchu, Taiwan
First seen
21.10.2026

RPKI ROAs

ROA prefixMax lengthOrigin ASTrust anchor
203.66.0.0/16 /24 AS3462 APNIC
203.66.245.0/24 /24 AS23675 APNIC Matches
PrefixOrigin ASDescriptionLocationRPKI
203.66.0.0/16 AS3462 10048, Taiwan TW RPKI valid
None in the routing table.
PrefixOrigin ASDescriptionLocationRPKI
106.105.110.0/24 AS23675 Taipei Taiwan TW RPKI valid
202.126.64.0/24 AS23675 Hsin-Chu Science-Based Industrial Park TW RPKI valid
202.126.65.0/24 AS23675 Hsin-Chu Science-Based Industrial Park TW RPKI valid
202.126.66.0/24 AS23675 Hsin-Chu Science-Based Industrial Park TW RPKI valid
202.126.67.0/24 AS23675 Hsin-Chu Science-Based Industrial Park TW RPKI valid
202.126.68.0/24 AS23675 Hsin-Chu Science-Based Industrial Park TW RPKI valid
202.126.69.0/24 AS23675 Hsin-Chu Science-Based Industrial Park TW RPKI valid
202.126.70.0/24 AS23675 Hsin-Chu Science-Based Industrial Park TW RPKI valid
202.126.71.0/24 AS23675 Hsin-Chu Science-Based Industrial Park TW RPKI valid
202.126.72.0/24 AS23675 Hsin-Chu Science-Based Industrial Park TW RPKI valid
202.126.73.0/24 AS23675 Hsin-Chu Science-Based Industrial Park TW RPKI valid
202.126.74.0/24 AS23675 Hsin-Chu Science-Based Industrial Park TW RPKI valid
202.126.75.0/24 AS23675 Hsin-Chu Science-Based Industrial Park TW RPKI valid
203.66.100.0/24 AS23675 TW RPKI valid
203.66.101.0/24 AS23675 TW RPKI valid
203.66.102.0/24 AS23675 TW RPKI valid
208.70.204.0/24 AS23675 US RPKI valid
220.128.55.0/24 AS23675 Taipei Taiwan TW RPKI valid

Origin AS

Details →
AS
AS23675
Name
Taiwan Semiconductor Manufactoring Company, Ltd.
Prefixes
19 IPv4 · 0 IPv6
Peers
2 (2 Upstreams)

Approximate location

GeoLite2