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Autonomous System

AS138415

Yancy Limited

Announced IPs
114,432
CIDR prefixes
121
ASN
AS138415

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.

57/100
Caution
How this score is built

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

⚠ 4 MOAS prefixes — multiple origin ASNs detected

All MOAS anomalies →

A previously stable prefix originated by AS138415 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)
156.234.51.0/24 AS64013, AS138415 2026-07-23 07:38:27
156.247.39.0/24 AS64013, AS138415 2026-07-23 07:38:27
31.57.51.0/24 AS138415, AS138648 2026-07-23 07:38:27
156.247.40.0/24 AS138415, AS401739 2026-07-22 23:23:24

Network profile

Source: PeeringDB →
Geographic scope Not Disclosed
Traffic ratio Not Disclosed
Peering policy Open

Present at 1 internet exchange: Equinix Hong Kong

Web3 footprint

AS138415 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
23.235.160.0/19 8.2K
0.0%
Yancy Limited US
23.248.192.0/19 8.2K
0.0%
Yancy Limited US
156.234.0.0/19 8.2K
0.0%
Yancy Limited SC
156.234.160.0/19 8.2K
0.0%
Yancy Limited SC
23.235.176.0/20 4.1K
0.0%
Yancy Limited US
23.248.192.0/20 4.1K
0.0%
Yancy Limited US
23.248.224.0/20 4.1K
0.0%
Yancy Limited US
156.234.64.0/20 4.1K
0.0%
Yancy Limited SC
156.234.96.0/20 4.1K
0.0%
Yancy Limited SC
156.234.144.0/20 4.1K
0.0%
Yancy Limited SC
156.234.176.0/20 4.1K
0.0%
Yancy Limited SC
156.234.208.0/20 4.1K
0.0%
Yancy Limited SC
156.234.224.0/20 4.1K
0.0%
Yancy Limited SC
23.226.48.0/21 2.0K
0.0%
Yancy Limited US
23.235.168.0/21 2.0K
0.0%
Yancy Limited US
23.248.208.0/21 2.0K
0.0%
Yancy Limited US
23.248.224.0/21 2.0K
0.0%
Yancy Limited HK
23.248.248.0/21 2.0K
0.0%
Yancy Limited US
156.234.32.0/21 2.0K
0.0%
Yancy Limited SC
156.234.48.0/21 2.0K
0.0%
Yancy Limited SC
156.234.64.0/21 2.0K
0.0%
Yancy Limited SC
156.234.80.0/21 2.0K
0.0%
Yancy Limited SC
156.234.136.0/21 2.0K
0.0%
Yancy Limited SC
156.234.160.0/21 2.0K
0.0%
Yancy Limited SC
156.234.192.0/21 2.0K
0.0%
Yancy Limited SC
156.234.216.0/21 2.0K
0.0%
Yancy Limited SC
156.234.232.0/21 2.0K
0.0%
Yancy Limited HK
156.234.240.0/21 2.0K
0.0%
Yancy Limited SC
156.247.32.0/21 2.0K
0.0%
Yancy Limited SC
156.247.48.0/21 2.0K
0.0%
Yancy Limited SC
23.226.60.0/22 1.0K
0.0%
Yancy Limited US
23.235.160.0/22 1.0K
0.0%
Yancy Limited US
23.248.212.0/22 1.0K
0.0%
Yancy Limited HK
23.248.216.0/22 1.0K
0.0%
Yancy Limited HK
23.248.220.0/22 1.0K
0.0%
Yancy Limited US
23.248.236.0/22 1.0K
0.0%
Yancy Limited HK
23.248.240.0/22 1.0K
0.0%
Yancy Limited US
43.229.112.0/22 1.0K
0.0%
Yancy Limited US
43.240.236.0/22 1.0K
0.0%
Yancy Limited US
43.243.188.0/22 1.0K
0.0%
Yancy Limited US
43.249.172.0/22 1.0K
0.0%
Yancy Limited HK
103.37.0.0/22 1.0K
0.0%
Yancy Limited US
103.39.16.0/22 1.0K
0.0%
Yancy Limited US
103.41.4.0/22 1.0K
0.0%
Yancy Limited HK
103.48.132.0/22 1.0K
0.0%
Yancy Limited US
137.59.16.0/22 1.0K
0.0%
Yancy Limited US
156.234.32.0/22 1.0K
0.0%
Yancy Limited HK
156.234.44.0/22 1.0K
0.0%
Yancy Limited SC
156.234.52.0/22 1.0K
0.0%
Yancy Limited SC
156.234.56.0/22 1.0K
0.0%
Yancy Limited SC
156.234.72.0/22 1.0K
0.0%
Yancy Limited SC
156.234.88.0/22 1.0K
0.0%
Yancy Limited SC
156.234.112.0/22 1.0K
0.0%
Yancy Limited SC
156.234.124.0/22 1.0K
0.0%
Yancy Limited SC
156.234.128.0/22 1.0K
0.0%
Yancy Limited SC
156.234.172.0/22 1.0K
0.0%
Yancy Limited SC
156.234.204.0/22 1.0K
0.0%
Yancy Limited SC
156.234.212.0/22 1.0K
0.0%
Yancy Limited SC
156.234.224.0/22 1.0K
0.0%
Yancy Limited HK
156.234.252.0/22 1.0K
0.0%
Yancy Limited SC
156.247.44.0/22 1.0K
0.0%
Yancy Limited SC
156.247.52.0/22 1.0K
0.0%
Yancy Limited SC
156.247.56.0/22 1.0K
0.0%
Yancy Limited SC
185.213.60.0/22 1.0K
0.0%
Yancy Limited HK
23.226.58.0/23 512
0.0%
Yancy Limited US
23.235.166.0/23 512
0.0%
Yancy Limited US
23.248.208.0/23 512
0.0%
Yancy Limited HK
23.248.218.0/23 512
0.0%
Yancy Limited US
23.248.220.0/23 512
0.0%
Yancy Limited HK
23.248.222.0/23 512
0.0%
Yancy Limited US
23.248.234.0/23 512
0.0%
Yancy Limited HK
23.248.244.0/23 512
0.0%
Yancy Limited US
43.225.124.0/23 512
0.0%
Yancy Limited US
45.114.104.0/23 512
0.0%
Yancy Limited US
103.44.90.0/23 512
0.0%
Yancy Limited US
103.54.60.0/23 512
0.0%
Yancy Limited US
103.199.100.0/23 512
0.0%
Yancy Limited US
137.59.16.0/23 512
0.0%
Yancy Limited HK
156.234.36.0/23 512
0.0%
Yancy Limited HK
156.234.38.0/23 512
0.0%
Yancy Limited US
156.234.40.0/23 512
0.0%
Yancy Limited SC
156.234.48.0/23 512
0.0%
Yancy Limited SC
156.234.60.0/23 512
0.0%
Yancy Limited SC
156.234.72.0/23 512
0.0%
Yancy Limited HK
156.234.78.0/23 512
0.0%
Yancy Limited SC
156.234.88.0/23 512
0.0%
Yancy Limited HK
156.234.92.0/23 512
0.0%
Yancy Limited SC
156.234.116.0/23 512
0.0%
Yancy Limited SC
156.234.120.0/23 512
0.0%
Yancy Limited SC
156.234.134.0/23 512
0.0%
Yancy Limited SC
156.234.168.0/23 512
0.0%
Yancy Limited SC
156.234.172.0/23 512
0.0%
Yancy Limited SC
156.234.202.0/23 512
0.0%
Yancy Limited SC
156.234.208.0/23 512
0.0%
Yancy Limited SC
156.234.228.0/23 512
0.0%
Yancy Limited HK
156.234.248.0/23 512
0.0%
Yancy Limited SC
156.246.64.0/23 512
0.0%
Yancy Limited SC
156.247.34.0/23 512
0.0%
Yancy Limited SC
156.247.36.0/23 512
0.0%
Yancy Limited SC
156.247.38.0/23 512
0.0%
Yancy Limited SC

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS138415 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
156.247.54.0/24 87,471 2026-07-23 07:05:21
156.247.47.0/24 81,412 2026-07-23 07:05:21
156.247.52.0/24 81,409 2026-07-23 07:05:21
156.247.35.0/24 80,725 2026-07-14 16:20:15
156.247.37.0/24 78,982 2026-07-23 07:09:26
156.247.39.0/24 76,922 2026-07-23 07:09:24
156.247.34.0/24 76,146 2026-07-14 16:20:24
156.247.36.0/24 68,744 2026-07-23 07:13:21
156.234.227.0/24 51,116 2026-07-23 07:25:06
103.199.100.0/24 46,485 2026-07-23 06:20:44
156.234.124.0/24 44,337 2026-07-23 06:20:30
156.234.32.0/24 44,083 2026-07-23 06:34:35
156.234.119.0/24 39,999 2026-07-23 06:20:30
23.248.233.0/24 38,328 2026-07-23 06:20:10
156.234.2.0/24 37,915 2026-07-23 06:20:30
23.248.232.0/24 32,619 2026-07-23 06:20:10
23.226.54.0/24 30,336 2026-07-23 06:20:10
156.234.75.0/24 28,916 2026-07-23 06:20:30
23.248.222.0/24 28,235 2026-07-23 06:34:35
23.248.223.0/24 28,139 2026-07-23 06:34:35
23.248.211.0/24 27,642 2026-07-23 07:04:34
156.234.39.0/24 27,298 2026-07-23 06:20:30
156.234.90.0/24 27,234 2026-07-23 06:20:30
156.234.51.0/24 26,876 2026-07-23 06:20:51
156.234.230.0/24 25,712 2026-07-23 06:20:30
156.234.211.0/24 25,180 2026-07-23 06:20:30
156.234.38.0/24 25,057 2026-07-23 06:20:30
156.234.221.0/24 23,719 2026-07-23 07:25:06
156.234.255.0/24 20,841 2026-07-23 06:20:30
156.247.38.0/24 20,256 2026-07-23 06:31:52
156.234.154.0/24 19,267 2026-07-23 07:25:06
156.247.32.0/24 19,207 2026-06-24 09:44:56
156.234.84.0/24 18,017 2026-07-23 06:20:30
156.247.33.0/24 17,825 2026-07-07 12:27:24
156.247.50.0/24 15,618 2026-07-23 07:25:06
137.59.18.0/24 15,572 2026-07-23 06:20:30
103.37.3.0/24 15,277 2026-07-23 06:20:10
23.235.176.0/24 14,923 2026-07-23 07:04:34
23.248.224.0/24 14,817 2026-07-23 06:20:10
23.235.164.0/24 14,707 2026-07-23 07:04:34
23.248.226.0/24 14,359 2026-07-23 06:20:10
156.234.58.0/24 14,254 2026-07-23 06:20:30
156.234.248.0/24 13,881 2026-07-23 06:20:30
137.59.19.0/24 13,845 2026-07-23 06:41:38
156.234.253.0/24 13,742 2026-07-23 07:25:06
43.249.174.0/24 13,250 2026-07-23 06:20:10
156.234.91.0/24 13,146 2026-07-23 07:25:06
43.249.173.0/24 12,784 2026-07-23 06:20:10
23.248.229.0/24 12,604 2026-07-23 06:20:10
156.234.66.0/24 12,597 2026-07-23 06:20:58

Showing top 50 of 197 announced prefixes by sample volume.

Frequently Asked Questions

What is AS138415?

AS138415 is an Autonomous System Number assigned to Yancy 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 AS138415 announce?

AS138415 announces 114.4K IPv4 addresses distributed across 121 routed CIDR prefixes. The network is registered in Hong Kong.

Who operates AS138415?

AS138415 is operated by Yancy Limited. The organization is based in Hong Kong. You can view all IP ranges and related ASNs on the organization page.

What country is AS138415 registered in?

AS138415 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: 2026-07-23 07:40:31 UTC
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