AS137266 China Telecom Corporation Limited

AS137266China Telecom Corporation LimitedISP

WHOIS Topology

China TelecomChina · APNICchinatelecom.com.cn

RPKI filtering

IPv4 addresses

1,396,992

187 announced prefixes

IPv6 addresses

—

0 announced prefixes

BGP neighbours

…

CAIDA rank

#12,935

Customer cone 1 ASNs

Estimated users

6.07M

APNIC Labs estimate

RPKI

100% valid

0 invalid · 0 not covered

Average purity

560 sampled IPs

IXPs / facilities

0 / 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
58.48.0.0/15	Valid	CHINANET-HBAPNIC	Wuhan	131,072
27.17.0.0/16	Valid	CHINANET-HBAPNIC	Wuhan	65,536
27.18.0.0/16	Valid	CHINANET-HBAPNIC	Wuhan	65,536
27.19.0.0/16	Valid	CHINANET-HBAPNIC	Wuhan	65,536
59.174.0.0/16	Valid	CHINANET-HBAPNIC	Wuhan	65,536
59.175.0.0/16	Valid	CHINANET-HBAPNIC	China	65,536
111.172.0.0/16	Valid	CHINANET-HBAPNIC	China	65,536
111.175.0.0/16	Valid	CHINANET-HBAPNIC	China	65,536
119.96.0.0/16	Valid	CHINANET-HBAPNIC	China	65,536
119.97.0.0/16	Valid	CHINANET-HBAPNIC	China	65,536
119.98.0.0/16	Valid	CHINANET-HBAPNIC	Wuhan	65,536
221.232.0.0/16	Valid	CHINANET-HBAPNIC	China	65,536
27.16.128.0/17	Valid	CHINANET-HBAPNIC	Wuhan	32,768
27.18.0.0/17	Valid	CHINANET-HBAPNIC	Wuhan	32,768
27.18.128.0/17	Valid	CHINANET-HBAPNIC	Wuhan	32,768
59.172.0.0/17	Valid	CHINANET-HBAPNIC	Wuhan	32,768
59.172.128.0/17	Valid	CHINANET-HBAPNIC	Wuhan	32,768
59.173.0.0/17	Valid	CHINANET-HBAPNIC	Wuhan	32,768
59.173.128.0/17	Valid	CHINANET-HBAPNIC	Wuhan	32,768
121.60.0.0/17	Valid	CHINANET-HBAPNIC	China	32,768

/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 834 / 5,457 （15%） · flagged 356

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

27.18.0.0/1694/256 with data · 37 flagged

171.83.0.0/1779/128 with data · 25 flagged

119.98.0.0/1675/256 with data · 45 flagged

171.113.128.0/1769/128 with data · 62 flagged

27.17.0.0/1664/256 with data · 23 flagged

27.19.0.0/1661/256 with data · 24 flagged

58.48.0.0/1546/512 with data · 13 flagged

171.113.0.0/1733/128 with data · 5 flagged

59.174.0.0/1629/256 with data · 11 flagged

111.172.0.0/1628/256 with data · 11 flagged

119.96.0.0/1627/256 with data · 17 flagged

27.16.128.0/1722/128 with data · 9 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 53270–84 2450–69 20–49 2

0.25%

Share of IPv4 reported or blocklisted

3,163

Listed IPs

560

Analysed IPs

Riskiest /24 blocks

/24 block	Flagged	Analysed
171.83.109.0/24	1	2
119.98.96.0/24	1	1
171.83.120.0/24	1	1
221.232.249.0/24	1	1
59.172.223.0/24	1	1
61.183.136.0/24	1	1

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.

China100.0%

Scope: Single country
In registered country: 100.0%

Estimated by sampling IPv4 ranges against a geolocation database.

Traffic observation

AS137266 · Last 7 days

Mobile vs. Desktop

Desktop76.9%Mobile23.1%

Bot vs. Human

Human37.5%Bot62.5%

Adoption & Usage

Adoption and usage of key protocols

Internet Protocol (IP) Version

IPv4> 99.9%IPv6< 0.1%

HTTP Version

HTTP/1.x

51.6%HTTP/2

29.5%HTTP/3

19.0%

HTTP vs. HTTPS

89.7% HTTPS (encrypted)

Plain HTTP 10.3%

TLS Version

TLS 1.0/1.1< 0.1%TLS 1.28.2%TLS 1.370.6%QUIC21.2%

Security & Attacks

Insights into network and application layer attack traffic

Layer 7 Attacks

GET

82.1%POST

16.4%HEAD

1.3%Other

0.1%

BGP Announcements

Hourly BGP route announcements over the last 7 days

735,600

7-day total

30,129

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: 06:00–07:00
Active hours: 23 hrs
Weekend vs weekday: Weekdays heavier
Busiest day: Thu

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BGP upstreams and neighbours

AS137266Standalone 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	2026-10-22
Registered address & allocation date	RIR registration data (RDAP)	2026-10-03
Organization & company country	AS-to-organization data	2026-10-21
Network type	CleanIP ASN canon	2026-10-22
Announced prefixes & BGP neighbours	Public BGP routing data	2026-10-22
IPv4 geography	Geolocation database	—
RPKI validation	RPKI ROA validation data	2026-10-22
Rank & customer cone	CAIDA AS Rank	2026-10-01
Estimated users (APNIC)	APNIC Labs user estimates	2026-10-19
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