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Autonomous System

AS134963

Alibaba Cloud (Singapore) Private Limited

Announced IPs
72,448
CIDR prefixes
126
ASN
AS134963

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

Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →

⚠ 80 MOAS prefixes — multiple origin ASNs detected

All MOAS anomalies →

A previously stable prefix originated by AS134963 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.

PrefixOrigin ASNsLast detected (UTC)
38.47.141.0/24 AS134963, AS147019 2026-09-11 05:25:52
38.47.132.0/24 AS134963, AS147019 2026-09-11 05:25:52
163.181.208.0/24 AS24429, AS134963 2026-09-11 05:25:52
170.33.35.0/24 AS45102, AS134963 2026-09-11 05:25:52
38.47.138.0/24 AS134963, AS147019 2026-09-11 05:25:52
170.33.68.0/24 AS45102, AS134963 2026-09-11 05:25:52
205.198.43.0/24 AS134963, AS147019 2026-09-11 05:25:52
205.198.47.0/24 AS134963, AS147019 2026-09-11 05:25:52
45.194.59.0/24 AS134963, AS147019 2026-09-11 05:25:52
38.47.131.0/24 AS134963, AS147019 2026-09-11 05:25:52
38.47.136.0/24 AS134963, AS147019 2026-09-11 05:25:52
170.33.105.0/24 AS45102, AS134963 2026-09-11 05:25:52
163.181.41.0/24 AS24429, AS134963 2026-09-11 05:25:52
170.33.72.0/24 AS45102, AS134963 2026-09-11 05:25:52
170.33.137.0/24 AS45102, AS134963 2026-09-11 05:25:52

Showing the 15 most recently detected of 80 MOAS prefixes. Many multi-origin prefixes on large networks are benign (anycast); see all MOAS anomalies.

Web3 footprint

AS134963 hosts 1 observed decentralized-network node across 1 network. It’s a neutral signal — it does not affect the reputation score. See the full web3 node map.

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
38.47.128.0/19 8.2K
0.0%
Alibaba Cloud Singapore Private Limited US
38.47.144.0/20 4.1K
0.0%
jiii US
8.220.248.0/21 2.0K
0.0%
Alibaba Cloud Singapore Private Limited SG
38.47.128.0/21 2.0K
0.0%
Alibaba Cloud Singapore Private Limited US
38.47.136.0/21 2.0K
0.0%
jiii US
45.194.56.0/21 2.0K
0.0%
Alibaba Cloud Singapore Private Limited SC
47.87.24.0/21 2.0K
0.0%
Alibaba Cloud Singapore Private Limited US
47.87.72.0/21 2.0K
0.0%
Alibaba Cloud Singapore Private Limited US
149.129.160.0/21 2.0K
0.0%
Alibaba Cloud Singapore Private Limited SG
170.33.8.0/21 2.0K
0.0%
Alibaba Cloud Singapore Private Limited SG
170.33.16.0/21 2.0K
0.0%
Alibaba Cloud Singapore Private Limited SG
170.33.32.0/21 2.0K
0.0%
Alibaba Cloud Singapore Private Limited SG
8.208.136.0/22 1.0K
0.0%
Alibaba Cloud Singapore Private Limited SG
8.211.228.0/22 1.0K
0.0%
Alibaba Cloud Singapore Private Limited SG
8.212.100.0/22 1.0K
0.0%
Alibaba Cloud Singapore Private Limited SG
8.212.184.0/22 1.0K
0.0%
Alibaba Cloud Singapore Private Limited SG
8.214.160.0/22 1.0K
0.0%
Alibaba Cloud Singapore Private Limited SG
8.215.164.0/22 1.0K
0.0%
Alibaba Cloud Singapore Private Limited SG
8.216.76.0/22 1.0K
0.0%
Alibaba Cloud Singapore Private Limited SG
8.220.124.0/22 1.0K
0.0%
Alibaba Cloud Singapore Private Limited SG
8.220.168.0/22 1.0K
0.0%
Alibaba Cloud Singapore Private Limited SG
8.220.236.0/22 1.0K
0.0%
Alibaba Cloud Singapore Private Limited SG
8.221.152.0/22 1.0K
0.0%
Alibaba Cloud Singapore Private Limited SG
38.47.128.0/22 1.0K
0.0%
Alibaba Cloud Singapore Private Limited US
38.47.132.0/22 1.0K
0.0%
jiii US
38.47.136.0/22 1.0K
0.0%
Alibaba Cloud Singapore Private Limited US
45.194.56.0/22 1.0K
0.0%
Alibaba Cloud Singapore Private Limited SC
45.194.60.0/22 1.0K
0.0%
jiii SC
47.87.152.0/22 1.0K
0.0%
Alibaba Cloud Singapore Private Limited US
47.90.172.0/22 1.0K
0.0%
Alibaba Cloud Singapore Private Limited US
47.236.216.0/22 1.0K
0.0%
Alibaba Cloud Singapore Private Limited US
47.238.24.0/22 1.0K
0.0%
Alibaba Cloud Singapore Private Limited US
47.245.156.0/22 1.0K
0.0%
Alibaba Cloud Singapore Private Limited US
47.245.220.0/22 1.0K
0.0%
Alibaba Cloud Singapore Private Limited US
47.250.64.0/22 1.0K
0.0%
Alibaba Cloud Singapore Private Limited US
47.250.104.0/22 1.0K
0.0%
Alibaba Cloud Singapore Private Limited US
47.251.128.0/22 1.0K
0.0%
Alibaba Cloud Singapore Private Limited US
47.251.192.0/22 1.0K
0.0%
Alibaba Cloud Singapore Private Limited US
47.253.124.0/22 1.0K
0.0%
Alibaba Cloud Singapore Private Limited US
103.206.40.0/22 1.0K
0.0%
Alibaba Cloud Singapore Private Limited SG
147.139.252.0/22 1.0K
0.0%
Alibaba Cloud Singapore Private Limited US
170.33.0.0/22 1.0K
0.0%
Alibaba Cloud Singapore Private Limited SG
170.33.8.0/22 1.0K
0.0%
Alibaba Cloud Singapore Private Limited SG
170.33.16.0/22 1.0K
0.0%
Alibaba Cloud Singapore Private Limited SG
170.33.36.0/22 1.0K
0.0%
Alibaba Cloud Singapore Private Limited SG
170.33.44.0/22 1.0K
0.0%
Alibaba Cloud Singapore Private Limited SG
170.33.96.0/22 1.0K
0.0%
Alibaba Cloud Singapore Private Limited SG
170.33.104.0/22 1.0K
0.0%
Alibaba Cloud Singapore Private Limited SG
170.33.132.0/22 1.0K
0.0%
Alibaba Cloud Singapore Private Limited SG
170.33.200.0/22 1.0K
0.0%
Alibaba Cloud Singapore Private Limited SG
170.33.216.0/22 1.0K
0.0%
Alibaba Cloud Singapore Private Limited SG
203.107.48.0/22 1.0K
0.0%
Alibaba Cloud Singapore Private Limited CN
205.198.44.0/22 1.0K
0.5%
jiii US
8.220.168.0/23 512
0.0%
Alibaba Cloud Singapore Private Limited SG
38.47.128.0/23 512
0.0%
jiii US
38.47.130.0/23 512
0.0%
Alibaba Cloud Singapore Private Limited US
38.47.132.0/23 512
0.0%
jiii US
38.47.140.0/23 512
0.0%
Alibaba Cloud Singapore Private Limited US
38.47.144.0/23 512
0.0%
Alibaba Cloud Singapore Private Limited US
38.47.148.0/23 512
0.0%
Alibaba Cloud Singapore Private Limited US
38.47.152.0/23 512
0.0%
Alibaba Cloud Singapore Private Limited US
38.47.156.0/23 512
0.0%
Alibaba Cloud Singapore Private Limited US
45.194.58.0/23 512
0.0%
jiii SC
139.95.66.0/23 512
0.0%
Alibaba Cloud Singapore Private Limited US
170.33.2.0/23 512
0.0%
Alibaba Cloud Singapore Private Limited SG
170.33.12.0/23 512
0.0%
Alibaba Cloud Singapore Private Limited SG
170.33.26.0/23 512
0.0%
Alibaba Cloud Singapore Private Limited SG
170.33.38.0/23 512
0.0%
Alibaba Cloud Singapore Private Limited SG
170.33.40.0/23 512
0.0%
Alibaba Cloud Singapore Private Limited SG
170.33.74.0/23 512
0.0%
Alibaba Cloud Singapore Private Limited SG
170.33.86.0/23 512
0.0%
Alibaba Cloud Singapore Private Limited SG
170.33.100.0/23 512
0.0%
Alibaba Cloud Singapore Private Limited SG
170.33.134.0/23 512
0.0%
Alibaba Cloud Singapore Private Limited SG
170.33.168.0/23 512
0.0%
Alibaba Cloud Singapore Private Limited SG
170.33.192.0/23 512
0.0%
Alibaba Cloud Singapore Private Limited SG
178.132.242.0/23 512
0.0%
Alibaba Cloud Singapore Private Limited DE
178.132.244.0/23 512
0.0%
Alibaba Cloud Singapore Private Limited DE
205.198.46.0/23 512
0.0%
Alibaba Cloud Singapore Private Limited US
209.146.118.0/23 512
0.0%
jiii US
8.209.122.0/24 256
0.0%
Alibaba Cloud Singapore Private Limited SG
8.209.193.0/24 256
0.0%
Alibaba Cloud Singapore Private Limited SG
8.212.37.0/24 256
0.0%
Alibaba Cloud Singapore Private Limited SG
8.212.93.0/24 256
0.0%
Alibaba Cloud Singapore Private Limited SG
8.220.170.0/24 256
0.0%
Alibaba Cloud Singapore Private Limited SG
38.47.128.0/24 256
0.0%
Alibaba Cloud Singapore Private Limited US
38.47.131.0/24 256
0.0%
jiii US
38.47.134.0/24 256
0.0%
Alibaba Cloud Singapore Private Limited US
38.47.142.0/24 256
0.0%
Alibaba Cloud Singapore Private Limited US
38.47.144.0/24 256
0.0%
Alibaba Cloud Singapore Private Limited US
38.47.146.0/24 256
0.0%
Alibaba Cloud Singapore Private Limited US
38.47.150.0/24 256
0.0%
Alibaba Cloud Singapore Private Limited US
45.194.61.0/24 256
0.0%
Alibaba Cloud Singapore Private Limited SC
45.194.63.0/24 256
0.0%
Alibaba Cloud Singapore Private Limited SC
47.57.197.0/24 256
0.0%
Alibaba Cloud Singapore Private Limited US
47.237.248.0/24 256
0.0%
Alibaba Cloud Singapore Private Limited US
47.246.90.0/24 256
0.0%
Alibaba Cloud Singapore Private Limited US
47.246.100.0/24 256
0.0%
Alibaba Cloud Singapore Private Limited US
47.246.130.0/24 256
0.0%
Alibaba Cloud Singapore Private Limited US
47.246.134.0/24 256
0.0%
Alibaba Cloud Singapore Private Limited US
47.246.156.0/24 256
0.0%
Alibaba Cloud Singapore Private Limited US

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS134963 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
149.134.179.0/24 53,150 2026-09-11 04:44:41
45.194.56.0/24 46,219 2026-09-09 09:10:44
45.194.57.0/24 46,076 2026-09-09 09:10:13
8.220.171.0/24 45,810 2026-09-11 04:44:58
45.194.63.0/24 45,518 2026-09-11 04:55:57
45.194.61.0/24 45,180 2026-09-09 09:10:44
103.173.12.0/24 44,933 2026-09-09 09:10:13
45.194.59.0/24 44,530 2026-09-11 04:56:14
45.194.58.0/24 44,280 2026-09-11 04:44:42
103.173.13.0/24 43,739 2026-09-09 09:10:13
205.198.43.0/24 40,121 2026-09-11 04:54:20
38.47.144.0/24 37,468 2026-09-11 04:54:20
205.198.45.0/24 37,210 2026-09-11 04:54:20
205.198.46.0/24 37,117 2026-09-11 04:56:13
38.47.134.0/24 37,063 2026-09-11 04:54:20
38.47.128.0/24 37,014 2026-09-11 04:54:20
38.47.135.0/24 36,821 2026-09-11 04:54:20
205.198.47.0/24 36,640 2026-09-11 04:54:20
38.47.142.0/24 36,625 2026-09-11 04:54:20
38.47.136.0/24 36,418 2026-09-11 04:54:20
38.47.131.0/24 36,390 2026-09-11 04:54:20
38.47.140.0/24 36,367 2026-09-11 04:54:20
38.47.132.0/24 36,365 2026-09-11 04:54:20
38.47.133.0/24 36,248 2026-09-11 04:54:20
38.47.137.0/24 36,204 2026-09-11 04:54:20
38.47.138.0/24 36,122 2026-09-11 04:54:20
209.146.118.0/24 36,108 2026-09-11 04:56:12
38.47.141.0/24 36,070 2026-09-11 04:54:20
38.47.139.0/24 35,852 2026-09-11 04:54:20
38.47.129.0/24 35,751 2026-09-11 04:54:20
38.47.157.0/24 32,747 2026-09-09 09:13:15
38.47.156.0/24 32,584 2026-09-09 09:13:15
170.33.106.0/24 32,526 2026-09-11 04:56:12
170.33.107.0/24 32,476 2026-09-11 04:56:16
205.198.41.0/24 32,446 2026-09-09 09:10:13
170.33.105.0/24 32,385 2026-09-11 01:11:56
170.33.104.0/24 32,361 2026-09-11 01:11:56
38.47.153.0/24 32,353 2026-09-09 09:13:15
38.47.130.0/24 32,349 2026-09-09 09:10:13
205.198.40.0/24 32,218 2026-09-09 09:10:13
38.47.150.0/24 32,134 2026-09-09 09:13:15
38.47.148.0/24 31,683 2026-09-09 09:13:15
38.47.152.0/24 31,654 2026-09-09 09:13:15
205.198.44.0/24 31,388 2026-09-09 09:10:13
209.146.119.0/24 31,362 2026-09-09 09:10:13
38.47.149.0/24 31,247 2026-09-09 09:13:15
38.47.146.0/24 31,238 2026-09-09 09:10:13
38.47.158.0/24 31,158 2026-09-09 09:13:15
38.47.145.0/24 31,042 2026-09-09 09:10:13
38.47.155.0/24 31,000 2026-09-09 09:13:15

Showing top 50 of 346 announced prefixes by sample volume.

Frequently Asked Questions

What is AS134963?

AS134963 is an Autonomous System Number assigned to Alibaba Cloud (Singapore) Private 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 AS134963 announce?

AS134963 announces 72.4K IPv4 addresses distributed across 126 routed CIDR prefixes. The network is registered in Singapore.

Who operates AS134963?

AS134963 is operated by Alibaba Cloud Singapore Private Limited. The organization is based in Singapore. You can view all IP ranges and related ASNs on the organization page.

What country is AS134963 registered in?

AS134963 is registered in Singapore. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-09-11 05:26:08 UTC
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