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.
- Baseline (neutral) 65
- Isp allocation +5
- Trust score 70 / 100
Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →
About Chunghwa Telecom
Chunghwa Telecom, officially Chunghwa Telecom Co., Ltd., is the largest integrated telecommunications service provider in Taiwan, providing PSTN, mobile phone, and broadband services, operated by PCCW.
Network profile
Source: PeeringDB →Present at 11 internet exchanges: Equinix Palo Alto, Equinix Hong Kong, Equinix Los Angeles, Any2West, Equinix Chicago, TPIX-TW, Equinix Singapore, LINX LON1: Main, HKIX: HKIX Peering LAN, BKNIX (Thailand): Bangkok, …
Top CIDR ranges
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS9505 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.
| Prefix | Announcement samples | Last seen |
|---|---|---|
| 203.78.179.0/24 | 5,077 | 2026-07-24 13:29:32 |
| 203.78.176.0/20 | 4,961 | 2026-07-24 13:29:32 |
| 208.70.200.0/21 | 4,943 | 2026-07-24 13:29:42 |
| 175.41.52.0/24 | 4,920 | 2026-07-24 13:28:15 |
| 175.41.58.0/24 | 4,915 | 2026-07-24 13:28:15 |
| 175.111.236.0/24 | 4,908 | 2026-07-24 13:28:16 |
| 203.160.232.0/24 | 4,901 | 2026-07-24 13:29:34 |
| 203.160.233.0/24 | 4,899 | 2026-07-24 13:29:34 |
| 175.41.55.0/24 | 4,895 | 2026-07-24 13:28:15 |
| 175.41.51.0/24 | 4,889 | 2026-07-24 13:28:15 |
| 66.171.112.0/21 | 4,883 | 2026-07-24 13:26:16 |
| 175.41.54.0/24 | 4,877 | 2026-07-24 13:28:15 |
| 175.111.235.0/24 | 4,874 | 2026-07-24 13:28:16 |
| 203.160.235.0/24 | 4,859 | 2026-07-24 13:29:34 |
| 203.160.231.0/24 | 4,853 | 2026-07-24 13:29:34 |
| 175.41.63.0/24 | 4,847 | 2026-07-24 13:28:15 |
| 175.41.48.0/20 | 4,844 | 2026-07-24 13:28:15 |
| 175.41.56.0/24 | 4,843 | 2026-07-24 13:28:15 |
| 175.41.50.0/24 | 4,842 | 2026-07-24 13:28:15 |
| 175.111.224.0/20 | 4,841 | 2026-07-24 13:28:16 |
| 175.41.48.0/24 | 4,841 | 2026-07-24 13:28:15 |
| 175.111.237.0/24 | 4,831 | 2026-07-24 13:28:16 |
| 175.111.239.0/24 | 4,826 | 2026-07-24 13:28:16 |
| 175.111.238.0/24 | 4,821 | 2026-07-24 13:28:16 |
| 203.78.180.0/24 | 4,819 | 2026-07-24 13:29:32 |
| 175.41.49.0/24 | 4,818 | 2026-07-24 13:28:15 |
| 175.111.240.0/21 | 4,808 | 2026-07-24 13:28:16 |
| 220.128.48.0/21 | 4,798 | 2026-07-24 13:29:58 |
| 175.41.57.0/24 | 4,781 | 2026-07-24 13:28:15 |
| 175.41.61.0/24 | 4,779 | 2026-07-24 13:28:15 |
| 175.41.62.0/24 | 4,771 | 2026-07-24 13:28:15 |
| 220.128.48.0/24 | 4,770 | 2026-07-24 13:29:58 |
| 203.78.182.0/24 | 4,723 | 2026-07-24 13:29:32 |
| 203.160.224.0/20 | 4,717 | 2026-07-24 13:29:34 |
| 220.128.52.0/24 | 299 | 2026-07-21 06:17:10 |
Frequently Asked Questions
What is AS9505?
AS9505 is an Autonomous System Number assigned to Taiwan Internet Gateway. 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 AS9505 announce?
AS9505 announces 22.3K IPv4 addresses distributed across 14 routed CIDR prefixes. The network is registered in Taiwan.
Who operates AS9505?
AS9505 is operated by Taiwan Internet Gateway. The organization is based in Taiwan. You can view all IP ranges and related ASNs on the organization page.
What country is AS9505 registered in?
AS9505 is registered in Taiwan. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
