AS153911 DuoTu Cloud — IPv4 Prefixes

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.

53/100

Caution

How this score is built

Baseline (neutral) 65
Multiple-origin (MOAS) routing anomaly −12
Trust score 53 / 100

Experimental · trust-vectors model v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →

⚠ 5 MOAS prefixes — multiple origin ASNs detected

All MOAS anomalies →

A previously stable prefix originated by AS153911 is now also announced by another ASN (MOAS — Multiple-Origin AS), detected from our RIPE RIS collectors. Often benign (anycast, multi-homing, or a recent transfer) — but it can signal a route leak or prefix hijack, so it's worth inspecting.

Prefix	Origin ASNs	Last detected (UTC)
43.227.70.0/23	AS23650, AS131483, AS153911	2026-07-18 11:22:44
103.245.25.0/24	AS13378, AS55933, AS153911	2026-07-17 19:22:38
43.248.128.0/20	AS23650, AS153911	2026-07-17 19:22:38
43.226.78.0/23	AS23650, AS131483, AS153911	2026-07-17 19:22:38
43.248.116.0/22	AS23650, AS153911	2026-07-17 08:22:34

Top CIDR ranges

CIDR	IPs	PTR Density	Organization	Country	State	City
43.226.56.0/21	2.0K	0.0%	AS Number for CHINANET jiangsu province backbone	CN	—	—
43.226.56.0/22	1.0K	0.0%	AS Number for CHINANET jiangsu province backbone	CN	—	—
43.248.96.0/22	1.0K	0.0%	AS Number for CHINANET jiangsu province backbone	CN	—	—
43.248.116.0/22	1.0K	0.0%	AS Number for CHINANET jiangsu province backbone	CN	—	—
43.248.128.0/22	1.0K	0.0%	AS Number for CHINANET jiangsu province backbone	CN	—	—
43.248.140.0/22	1.0K	0.0%	AS Number for CHINANET jiangsu province backbone	CN	—	—
103.85.84.0/22	1.0K	0.0%	DuoTu Cloud	CN	—	—
43.226.62.0/23	512	0.0%	AS Number for CHINANET jiangsu province backbone	CN	—	—
43.226.78.0/23	512	0.0%	AS Number for CHINANET jiangsu province backbone	CN	—	—
43.227.70.0/23	512	0.0%	AS Number for CHINANET jiangsu province backbone	CN	—	—
43.248.102.0/23	512	0.0%	AS Number for CHINANET jiangsu province backbone	CN	—	—
43.248.116.0/23	512	0.0%	Jiangsu Dongyun Cloud computing co., LTD	CN	—	—
43.248.132.0/23	512	0.0%	AS Number for CHINANET jiangsu province backbone	CN	—	—
43.248.138.0/23	512	0.0%	AS Number for CHINANET jiangsu province backbone	CN	—	—
103.85.84.0/23	512	0.0%	CHINA UNICOM China169 Backbone	CN	—	—
43.226.60.0/24	256	0.0%	AS Number for CHINANET jiangsu province backbone	CN	—	—
43.226.63.0/24	256	0.0%	AS Number for CHINANET jiangsu province backbone	CN	—	—
43.248.100.0/24	256	0.0%	AS Number for CHINANET jiangsu province backbone	CN	—	—
43.248.119.0/24	256	0.0%	AS Number for CHINANET jiangsu province backbone	CN	—	—
43.248.137.0/24	256	0.0%	AS Number for CHINANET jiangsu province backbone	CN	—	—
103.245.25.0/24	256	0.0%	DuoTu Cloud	CN	—	—

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS153911 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
103.245.25.0/24	283,035	2026-07-18 11:22:51
103.85.84.0/23	29,879	2026-07-12 09:44:15
43.226.56.0/21	19,994	2026-07-16 08:25:02
43.227.70.0/23	19,847	2026-07-18 11:01:24
43.248.116.0/22	19,009	2026-07-16 08:24:55
43.226.78.0/23	18,478	2026-07-18 11:01:24
103.85.86.0/23	18,309	2026-07-18 11:01:24
43.248.96.0/21	18,084	2026-07-18 11:01:24
43.248.128.0/20	17,973	2026-07-18 11:01:24

Frequently Asked Questions

What is AS153911?

AS153911 is an Autonomous System Number assigned to DuoTu Cloud. 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 AS153911 announce?

AS153911 announces 10.5K IPv4 addresses distributed across 21 routed CIDR prefixes. The network is registered in China.

Who operates AS153911?

AS153911 is operated by DuoTu Cloud. The organization is based in China. You can view all IP ranges and related ASNs on the organization page.

What country is AS153911 registered in?

AS153911 is registered in China. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.