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6 dimensions · leaks / fingerprint / consistency

ASN lookup result for AS9505 Chunghwa Telecom Co., Ltd. — network size, BGP routing and registration

TWAS9505Chunghwa Telecom Co., Ltd.Mobile
WHOIS Topology

Taiwan · APNICcht.com.tw

Business linesVPS hosting

IPv4 addresses

24,576

36 announced prefixes

IPv6 addresses

1.58 × 10²⁹

9 announced prefixes

BGP neighbours

…

CAIDA rank

#569

Customer cone 82 ASNs

Estimated users

254

APNIC: 248

RPKI

100% valid

0 invalid · 0 not covered

Average purity

97

4 sampled IPs

IXPs / facilities

11 / 9

Operator self-reported

History

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

Loading routing history…

IP ranges

Currently announced prefixes with their RIR registration and geolocation.

PrefixRPKIRegistrationGeolocationAddresses
175.41.48.0/20ValidTWTWGATE-NETAPNICTWTaiwan4,096
175.111.224.0/20ValidTWTWGATE-NETAPNICTWTaiwan4,096
203.78.176.0/20ValidTWTWGATE-NETAPNICTWTaiwan4,096
203.160.224.0/20ValidTWTWGATE-NETAPNICTWTaiwan4,096
66.171.112.0/21Valid—USUnited States2,048
175.111.240.0/21ValidTWTWGATE-NETAPNICTWTaiwan2,048
208.70.200.0/21Valid—USUnited States2,048
220.128.48.0/21ValidTWHINET-NETAPNICTWTaiwan2,048
175.41.48.0/24ValidTWTWGATE-NETAPNICTWTaiwan256
175.41.49.0/24ValidTWTWGATE-NETAPNICTWTaiwan256
175.41.50.0/24ValidTWTWGATE-NETAPNICTWTaiwan256
175.41.51.0/24ValidTWTWGATE-NETAPNICTWTaiwan256
175.41.52.0/24ValidTWTWGATE-NETAPNICTWTaiwan256
175.41.54.0/24ValidTWTWGATE-NETAPNICTWTaiwan256
175.41.55.0/24ValidTWTWGATE-NETAPNICTWTaiwan256
175.41.56.0/24ValidTWTWGATE-NETAPNICTWTaiwan256
175.41.57.0/24ValidTWTWGATE-NETAPNICTWTaiwan256
175.41.58.0/24ValidTWTWGATE-NETAPNICTWTaiwan256
175.41.61.0/24ValidTWTWGATE-NETAPNICTWTaiwan256
175.41.62.0/24ValidTWTWGATE-NETAPNICTWTaiwan256

/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 4 / 96 （4%） · flagged 0

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

175.41.48.0/203/16 with data · 0 flagged

220.128.48.0/211/8 with data · 0 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

85–100 470–84 050–69 00–49 0

<0.01%

Share of IPv4 reported or blocklisted

1

Listed IPs

4

Analysed IPs

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.

  • TW Taiwan
  • US United States
Scope
Regional
In registered country
83.3%

Estimated by sampling IPv4 ranges against a geolocation database.

Traffic observation

AS9505 · Last 7 days
Mobile vs. Desktop
Desktop 94.5%Mobile 5.5%
Desktop94.5%Mobile5.5%
Bot vs. Human
Human 69.7%Bot 30.3%
Human69.7%Bot30.3%

Adoption & Usage

Adoption and usage of key protocols

Internet Protocol (IP) Version
IPv4 100.0%0%IPv6
IPv4100.0%IPv60%
HTTP Version
HTTP/1.x
13.5%HTTP/2
57.4%HTTP/3
29.0%
HTTP vs. HTTPS
97.3% HTTPS (encrypted)
Plain HTTP 2.7%
TLS Version
TLS 1.0/1.10%TLS 1.28.4%TLS 1.361.8%QUIC29.8%

BGP Announcements

Hourly BGP route announcements over the last 7 days

203,945
7-day total
9,072
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.

00061218
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Times in UTCLessMore
Peak hour
19:00–20:00
Active hours
10 hrs
Weekend vs weekday
Weekdays heavier
Busiest day
Thu

Datacenter Presence

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BGP upstreams and neighbours

AS9505Standalone page
Loading upstreams and neighbours…

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.

InformationSourceUpdated
Registered countryRIR daily delegation statistics2026-10-22
Organization & company countryAS-to-organization data2026-10-21
Network typeCleanIP ASN canon2026-10-20
Exchanges & facilitiesOperator self-reported interconnection data2026-10-21
Announced prefixes & BGP neighboursPublic BGP routing data2026-10-22
IPv4 geographyGeolocation database—
RPKI validationRPKI ROA validation data2026-10-22
Rank & customer coneCAIDA AS Rank2026-10-01
Estimated users (APNIC)APNIC Labs user estimates2026-10-20
Network tagsPublic routing data community tags2026-10-22
IP reputationCleanIP lookups and neighbour sampling—

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