Skip to main content
WorldIP.io
Autonomous System

AS9231

China Mobile Hong Kong Company Limited

Announced IPs
17,920
CIDR prefixes
22
ASN
AS9231

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.

67/100
Moderate
How this score is built
  • Baseline (neutral) 65
  • Mobile allocation +2
  • Trust score 67 / 100

Experimental · trust-vectors model v1.3.0 — a transparent heuristic, not a definitive verdict. How it works →

About China Mobile Hong Kong

China Mobile Hong Kong Company Limited or CMHK, is a wholly owned subsidiary of China Mobile. The company was incepted in January 1997 and was the first PCS operator to launch such services in Hong Kong.

Founded
1997
Headquarters
Hong Kong
Industry
telecommunications industry
Parent
China Mobile

Network profile

Source: PeeringDB →
Network type NSP
Geographic scope Regional
Traffic ratio Heavy Inbound
Peering policy Selective
IRR record AS9231:AS-CUSTOMERS

Present at 5 internet exchanges: Equinix Singapore, HKIX: HKIX Peering LAN, Equinix Hong Kong, BBIX Hong Kong, JPNAP Tokyo: Peering

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
182.239.72.0/21 2.0K
99.2%
China Mobile Hong Kong Company Limited HK Central and Western Mid Levels
182.239.80.0/21 2.0K
99.2%
China Mobile Hong Kong Company Limited HK — —
182.239.104.0/21 2.0K
99.2%
China Mobile Hong Kong Company Limited HK Yau Tsim Mong District Jordan
182.239.112.0/21 2.0K
99.2%
China Mobile Hong Kong Company Limited HK — —
161.81.120.0/22 1.0K
99.0%
China Mobile Hong Kong Company Limited HK — —
161.81.248.0/22 1.0K
98.1%
China Mobile Hong Kong Company Limited HK — —
182.239.92.0/22 1.0K
99.2%
China Mobile Hong Kong Company Limited HK — —
223.123.192.0/22 1.0K
0.0%
China Mobile Hong Kong Company Limited HK — —
223.123.200.0/22 1.0K
0.0%
China Mobile Hong Kong Company Limited HK — —
161.81.124.0/23 512
98.0%
China Mobile Hong Kong Company Limited HK — —
161.81.252.0/23 512
99.2%
China Mobile Hong Kong Company Limited HK — —
182.239.88.0/23 512
99.2%
China Mobile Hong Kong Company Limited HK — —
182.239.120.0/23 512
99.2%
China Mobile Hong Kong Company Limited HK — —
182.239.124.0/23 512
99.2%
China Mobile Hong Kong Company Limited HK — —
123.136.7.0/24 256
98.8%
China Mobile Hong Kong Company Limited HK — —
123.136.15.0/24 256
99.2%
China Mobile Hong Kong Company Limited HK — —
161.81.126.0/24 256
98.8%
China Mobile Hong Kong Company Limited HK — —
182.239.90.0/24 256
99.2%
China Mobile Hong Kong Company Limited HK — —
182.239.122.0/24 256
99.2%
China Mobile Hong Kong Company Limited HK — —
182.239.127.0/24 256
99.2%
China Mobile Hong Kong Company Limited HK — —
203.142.98.0/24 256
76.2%
China Mobile Hong Kong Company Limited HK — —
203.142.127.0/24 256
0.0%
China Mobile Hong Kong Company Limited HK — —

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS9231 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
182.239.84.0/24 144,309 2026-10-31 14:23:26
182.239.92.0/23 143,958 2026-10-31 14:23:18
203.142.127.0/24 143,904 2026-10-31 14:23:44
182.239.85.0/24 143,685 2026-10-31 14:23:27
182.239.89.0/24 143,587 2026-10-31 14:23:17
182.239.79.0/24 143,527 2026-10-31 14:23:14
182.239.90.0/24 143,378 2026-10-31 14:23:16
182.239.87.0/24 143,224 2026-10-31 14:23:26
182.239.80.0/24 143,152 2026-10-31 14:23:25
182.239.88.0/24 143,135 2026-10-31 14:23:17
182.239.86.0/24 143,100 2026-10-31 14:23:26
182.239.83.0/24 143,093 2026-10-31 14:23:25
182.239.81.0/24 142,874 2026-10-31 14:23:26
182.239.82.0/24 142,848 2026-10-31 14:23:24
182.239.95.0/24 142,784 2026-10-31 14:23:18
182.239.75.0/24 142,754 2026-10-31 14:23:13
182.239.94.0/24 142,564 2026-10-31 14:23:18
182.239.78.0/24 142,417 2026-10-31 14:23:14
182.239.76.0/24 142,347 2026-10-31 14:23:14
182.239.72.0/24 142,228 2026-10-31 14:23:13
182.239.77.0/24 142,185 2026-10-31 14:23:14
182.239.117.0/24 141,066 2026-10-31 14:23:40
123.136.15.0/24 141,030 2026-10-31 14:23:17
182.239.73.0/24 140,912 2026-10-31 14:23:13
182.239.122.0/24 140,801 2026-10-31 14:23:31
182.239.118.0/24 140,795 2026-10-31 14:23:38
223.123.192.0/24 140,789 2026-10-31 14:24:00
182.239.114.0/23 140,754 2026-10-31 14:23:33
223.123.193.0/24 140,744 2026-10-31 14:24:00
182.239.124.0/24 140,572 2026-10-31 14:23:32
223.123.194.0/24 140,402 2026-10-31 14:24:00
161.81.250.0/23 140,214 2026-10-31 14:22:59
182.239.119.0/24 140,214 2026-10-31 14:23:39
182.239.113.0/24 140,084 2026-10-31 14:23:38
182.239.116.0/24 140,077 2026-10-31 14:23:40
161.81.125.0/24 139,916 2026-10-31 14:23:46
182.239.127.0/24 139,913 2026-10-31 14:23:32
182.239.107.0/24 139,884 2026-10-31 14:23:27
182.239.121.0/24 139,874 2026-10-31 14:23:32
182.239.120.0/24 139,805 2026-10-31 14:23:32
161.81.126.0/24 139,715 2026-10-31 14:23:46
182.239.74.0/24 139,633 2026-10-31 14:23:12
161.81.253.0/24 139,568 2026-10-31 14:22:58
182.239.112.0/24 139,256 2026-10-31 14:23:38
182.239.111.0/24 139,182 2026-10-31 14:23:28
182.239.109.0/24 139,149 2026-10-31 14:23:29
161.81.124.0/24 139,002 2026-10-31 14:23:46
182.239.125.0/24 138,969 2026-10-31 14:23:33
182.239.110.0/24 138,961 2026-10-31 14:23:28
123.136.7.0/24 138,884 2026-10-31 14:23:26

Showing top 50 of 83 announced prefixes by sample volume.

Frequently Asked Questions

What is AS9231?

AS9231 is an Autonomous System Number assigned to China Mobile Hong Kong Company Limited. 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 AS9231 announce?

AS9231 announces 17.9K IPv4 addresses distributed across 22 routed CIDR prefixes. The network is registered in Hong Kong.

Who operates AS9231?

AS9231 is operated by China Mobile Hong Kong Company Limited. The organization is based in Hong Kong. You can view all IP ranges and related ASNs on the organization page.

What country is AS9231 registered in?

AS9231 is registered in Hong Kong. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-10-31 14:24:05 UTC
Share