AS3462 Chunghwa Telecom Co., Ltd.

AS3462Chunghwa Telecom Co., Ltd.ISP

WHOIS Topology

Taiwan · APNICcht.com.tw

Hosts top sitesBusiness linesCDNHome broadbandCritical infrastructureMobile networkRPKI filteringTor relaysVPS hosting

IPv4 addresses

12,230,400

258 announced prefixes

IPv6 addresses

9.03 × 10³⁰

83 announced prefixes

BGP neighbours

…

CAIDA rank

#425

Customer cone 117 ASNs

Estimated users

8.98M

APNIC Labs estimate

RPKI

99% valid

0 invalid · 2 not covered

Average purity

12,053 sampled IPs

IXPs / facilities

7 / 0

Operator self-reported

History

How prefixes were announced and changed hands, registration changes, and outage or hijack incidents.

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IP ranges

Currently announced prefixes with their RIR registration and geolocation.

Prefix	RPKI	Registration	Geolocation	Addresses
1.160.0.0/12	Valid	HINET-NETAPNIC	Taipei	1,048,576
111.240.0.0/12	Valid	HINET-NETAPNIC	Bade District	1,048,576
114.32.0.0/12	Valid	HINET-NETAPNIC	Taipei	1,048,576
61.220.0.0/14	Valid	HINET-NETAPNIC	Taipei	262,144
61.224.0.0/14	Valid	HINET-NETAPNIC	Shalu	262,144
114.24.0.0/14	Valid	HINET-NETAPNIC	Taipei	262,144
1.34.0.0/15	Valid	HINET-NETAPNIC	New Taipei City	131,072
1.34.0.0/16	Valid	HINET-NETAPNIC	New Taipei City	65,536
1.35.0.0/16	Valid	HINET-NETAPNIC	Taiwan	65,536
1.160.0.0/16	Valid	HINET-NETAPNIC	Taipei	65,536
1.161.0.0/16	Valid	HINET-NETAPNIC	New Taipei City	65,536
1.162.0.0/16	Valid	HINET-NETAPNIC	Taipei	65,536
1.163.0.0/16	Valid	HINET-NETAPNIC	Taoyuan	65,536
1.164.0.0/16	Valid	HINET-NETAPNIC	Zhongli District	65,536
1.165.0.0/16	Valid	HINET-NETAPNIC	Changhua	65,536
1.166.0.0/16	Valid	HINET-NETAPNIC	Taiwan	65,536
1.167.0.0/16	Valid	HINET-NETAPNIC	Taiwan	65,536
1.168.0.0/16	Valid	HINET-NETAPNIC	Taichung	65,536
1.169.0.0/16	Valid	HINET-NETAPNIC	Yilan	65,536
1.170.0.0/16	Valid	HINET-NETAPNIC	Taichung	65,536

/24 block profile

One square per /24: colour shows the risk type, shade how many addresses are flagged, stripes mark datacenter blocks. Click a square to see all 256 addresses.

/24s with data 5,022 / 47,775 （11%） · flagged 2,024

No risk flagsDatacenter (no flags)ProxyVPNAbuse / blocklistTorDarker = more flagged addresses; dashed = block screen only

1.160.0.0/12741/4096 with data · 286 flagged

114.32.0.0/12585/4096 with data · 282 flagged

111.240.0.0/12557/4096 with data · 190 flagged

36.232.0.0/16143/256 with data · 35 flagged

114.24.0.0/14138/1024 with data · 33 flagged

61.228.0.0/16137/256 with data · 19 flagged

61.220.0.0/14128/1024 with data · 56 flagged

61.224.0.0/14127/1024 with data · 12 flagged

36.234.0.0/16102/256 with data · 51 flagged

36.231.0.0/1697/256 with data · 21 flagged

36.227.0.0/1690/256 with data · 22 flagged

118.167.0.0/1689/256 with data · 13 flagged

Hover a square for its numbers; click to see all 256 addresses.

Each prefix shows its 64 /24s with the most data. Built daily from lookups, neighbour sampling, public lists and block screening.

IP reputation

IPs from this network that CleanIP has analysed: purity, abuse reports and the riskiest /24 blocks.

Purity distribution

85–100 9,61570–84 2,31550–69 780–49 45

0.19%

Share of IPv4 reported or blocklisted

23,237

Listed IPs

12,053

Analysed IPs

Riskiest /24 blocks

/24 block	Flagged	Analysed
1.165.2.0/24	4	7
61.221.116.0/24	4	6
36.231.78.0/24	3	28
211.75.210.0/24	3	22
36.234.137.0/24	3	15
220.130.75.0/24	3	10
1.162.6.0/24	3	4
210.61.187.0/24	2	17
118.163.198.0/24	2	16
36.231.115.0/24	2	14

Flagged = VPN, proxy, Tor or purity below 50. Samples come from user lookups and neighbour sampling, not every address in this network.

Geography

Where this network’s IPv4 addresses are located.

Taiwan100.0%
Singapore0.0%

Scope: Single country
In registered country: 100.0%

Estimated by sampling IPv4 ranges against a geolocation database.

Traffic observation

AS3462 · Last 7 days

Mobile vs. Desktop

Desktop78.2%Mobile21.8%

Bot vs. Human

Human74.6%Bot25.4%

Adoption & Usage

Adoption and usage of key protocols

Internet Protocol (IP) Version

IPv476.7%IPv623.3%

HTTP Version

HTTP/1.x

23.5%HTTP/2

46.9%HTTP/3

29.6%

HTTP vs. HTTPS

97.1% HTTPS (encrypted)

Plain HTTP 2.9%

TLS Version

TLS 1.0/1.1< 0.1%TLS 1.27.0%TLS 1.362.4%QUIC30.5%

Security & Attacks

Insights into network and application layer attack traffic

Layer 7 Attacks

GET

78.0%POST

11.6%HEAD

9.9%OPTIONS

0.2%PUT

0.1%Other

< 0.1%

BGP Announcements

Hourly BGP route announcements over the last 7 days

2,162,412

7-day total

160,662

Hourly peak

Data: Cloudflare Radar, licensed under CC BY-NC 4.0

Activity

Hourly traffic over the last 7 days, normalized to this network’s peak.

A pronounced day/night rhythm, typical of networks with human users.

	00						06						12						18
Mon
Tue
Wed
Thu
Fri
Sat
Sun

Times in UTCLessMore

Peak hour: 14:00–15:00
Active hours: 19 hrs
Weekend vs weekday: Weekdays ≈ weekends
Busiest day: Wed

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BGP upstreams and neighbours

AS3462Standalone page

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WHOIS record

The registry’s record for this AS number: holder, status, dates and contacts.

Sources

Where the information on this page comes from and when it was updated.

Information	Source	Updated
Registered country	RIR daily delegation statistics	2026-10-20
Registered address & allocation date	RIR registration data (RDAP)	2026-09-26
Organization & company country	AS-to-organization data	2026-10-21
Network type	CleanIP ASN canon	2026-10-21
Exchanges & facilities	Operator self-reported interconnection data	2026-10-21
Announced prefixes & BGP neighbours	Public BGP routing data	2026-10-21
IPv4 geography	Geolocation database	—
RPKI validation	RPKI ROA validation data	2026-10-21
Rank & customer cone	CAIDA AS Rank	2026-10-01
Estimated users (APNIC)	APNIC Labs user estimates	2026-10-18
Network tags	Public routing data community tags	2026-10-21
IP reputation	CleanIP lookups and neighbour sampling	—

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Multi-source cross-checks · In-house reputation data · Real data only