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Autonomous System

AS45974

NHNCLOUD

Announced IPs
97,792
CIDR prefixes
92
ASN
AS45974

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 →

⚠ 1 MOAS prefix — multiple origin ASNs detected

All MOAS anomalies →

A previously stable prefix originated by AS45974 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)
103.132.32.0/22 AS10157, AS45974 2026-09-10 18:55:47

Network profile

Source: PeeringDB →
Network type Content
Traffic level 50-100Gbps
Geographic scope Asia Pacific
Traffic ratio Mostly Outbound
Peering policy Selective

Present at 1 internet exchange: KINX

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
133.186.128.0/17 32.8K
0.2%
NHNCLOUD JP
180.210.112.0/20 4.1K
0.2%
NHNCLOUD KR
101.79.80.0/21 2.0K
0.2%
NHNCLOUD KR
106.249.24.0/21 2.0K
7.5%
NHNCLOUD KR
114.110.128.0/21 2.0K
0.0%
NHNCLOUD KR
114.110.184.0/21 2.0K
0.2%
NHNCLOUD KR
125.6.40.0/21 2.0K
0.0%
NHNCLOUD JP
125.6.48.0/21 2.0K
0.0%
NHNCLOUD JP
180.210.104.0/21 2.0K
0.0%
NHNCLOUD KR
211.56.0.0/21 2.0K
11.0%
NHNCLOUD KR
211.255.136.0/21 2.0K
0.0%
NHNCLOUD KR
43.227.116.0/22 1.0K
0.1%
NHNCLOUD KR
45.125.232.0/22 1.0K
0.0%
NHNCLOUD KR
45.249.160.0/22 1.0K
0.0%
NHNCLOUD KR
61.111.36.0/22 1.0K
54.4%
NHNCLOUD KR
101.79.68.0/22 1.0K
0.0%
NHNCLOUD KR
101.79.92.0/22 1.0K
0.9%
NHNCLOUD KR
103.87.116.0/22 1.0K
1.9%
NHNCLOUD KR
103.132.32.0/22 1.0K
26.5%
NHNCLOUD KR
103.194.108.0/22 1.0K
0.0%
NHNCLOUD KR
103.218.156.0/22 1.0K
0.1%
NHNCLOUD KR
106.249.20.0/22 1.0K
0.2%
NHNCLOUD KR
110.45.212.0/22 1.0K
0.3%
NHNCLOUD KR
114.110.136.0/22 1.0K
0.0%
NHNCLOUD KR
114.110.144.0/22 1.0K
0.0%
NHNCLOUD KR
114.110.156.0/22 1.0K
0.0%
NHNCLOUD KR
114.110.160.0/22 1.0K
0.0%
NHNCLOUD KR Gyeonggi-do Anyang-si
114.110.180.0/22 1.0K
0.1%
NHNCLOUD KR
125.6.36.0/22 1.0K
0.2%
NHNCLOUD JP
180.210.64.0/22 1.0K
0.0%
NHNCLOUD KR
180.210.76.0/22 1.0K
0.8%
NHNCLOUD KR
180.210.80.0/22 1.0K
0.5%
NHNCLOUD KR
180.210.88.0/22 1.0K
0.1%
NHNCLOUD KR
180.210.100.0/22 1.0K
0.0%
NHNCLOUD KR
211.188.96.0/22 1.0K
0.0%
NHNCLOUD KR
103.243.202.0/23 512
15.8%
NHNCLOUD KR
106.249.18.0/23 512
0.8%
NHNCLOUD KR
106.249.32.0/23 512
0.0%
NHNCLOUD KR
114.110.140.0/23 512
0.0%
NHNCLOUD KR
114.110.150.0/23 512
0.0%
NHNCLOUD KR
114.110.152.0/23 512
0.0%
NHNCLOUD KR
117.52.122.0/23 512
0.4%
NHNCLOUD KR
117.52.154.0/23 512
0.2%
NHNCLOUD KR
125.6.58.0/23 512
0.0%
NHNCLOUD JP
180.210.70.0/23 512
0.0%
NHNCLOUD KR
180.210.74.0/23 512
0.0%
NHNCLOUD KR
211.172.144.0/23 512
0.0%
NHNCLOUD KR
211.188.100.0/23 512
0.6%
NHNCLOUD KR
223.255.200.0/23 512
0.0%
NHNCLOUD KR
223.255.204.0/23 512
0.2%
NHNCLOUD KR
1.209.199.0/24 256
0.0%
NHNCLOUD KR
43.254.244.0/24 256
0.0%
NHNCLOUD KR
61.42.226.0/24 256
0.0%
NHNCLOUD KR
103.243.201.0/24 256
0.4%
NHNCLOUD KR
114.110.143.0/24 256
0.0%
NHNCLOUD KR
114.110.149.0/24 256
0.0%
NHNCLOUD KR
114.110.150.0/24 256
0.0%
NHNCLOUD KR
114.110.152.0/24 256
0.0%
NHNCLOUD KR
114.110.154.0/24 256
0.0%
NHNCLOUD KR
114.110.164.0/24 256
0.0%
NHNCLOUD KR
114.110.166.0/24 256
0.0%
NHNCLOUD KR
114.110.177.0/24 256
59.4%
NHNCLOUD KR
114.110.178.0/24 256
0.0%
NHNCLOUD KR
115.88.123.0/24 256
0.0%
NHNCLOUD KR
115.88.132.0/24 256
0.0%
NHNCLOUD KR
115.89.67.0/24 256
0.0%
NHNCLOUD KR
115.89.74.0/24 256
0.0%
NHNCLOUD KR Seoul Gwanak-gu
115.89.203.0/24 256
1.6%
NHNCLOUD KR
115.92.64.0/24 256
0.0%
NHNCLOUD KR
117.52.5.0/24 256
0.0%
NHNCLOUD KR
117.52.20.0/24 256
0.8%
NHNCLOUD KR
121.254.219.0/24 256
0.0%
NHNCLOUD KR
125.6.32.0/24 256
0.0%
NHNCLOUD JP
125.6.57.0/24 256
0.0%
NHNCLOUD JP
125.6.60.0/24 256
0.0%
NHNCLOUD JP
180.210.68.0/24 256
0.0%
NHNCLOUD KR
180.210.84.0/24 256
0.0%
NHNCLOUD KR
180.210.87.0/24 256
0.0%
NHNCLOUD KR
180.210.92.0/24 256
0.0%
NHNCLOUD KR
180.210.95.0/24 256
0.4%
NHNCLOUD KR
180.210.96.0/24 256
0.0%
NHNCLOUD KR
210.124.216.0/24 256
34.8%
NHNCLOUD KR
210.206.88.0/24 256
2.7%
NHNCLOUD KR
211.32.155.0/24 256
0.4%
NHNCLOUD KR
211.50.32.0/24 256
0.0%
NHNCLOUD KR
211.50.58.0/24 256
0.0%
NHNCLOUD KR
211.168.237.0/24 256
1.2%
NHNCLOUD KR
211.170.184.0/24 256
0.0%
NHNCLOUD KR
211.180.235.0/24 256
4.3%
NHNCLOUD KR
211.188.103.0/24 256
0.0%
NHNCLOUD KR
223.255.202.0/24 256
0.0%
NHNCLOUD KR
223.255.207.0/24 256
0.4%
NHNCLOUD KR

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS45974 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
43.227.116.0/24 45,981 2026-09-10 18:12:25
103.194.108.0/24 45,660 2026-09-10 18:12:25
114.110.134.0/24 45,283 2026-09-10 18:08:49
114.110.133.0/24 45,266 2026-09-10 18:08:49
114.110.135.0/24 45,089 2026-09-10 18:08:49
114.110.129.0/24 45,068 2026-09-10 18:08:49
114.110.136.0/24 45,067 2026-09-10 18:08:49
114.110.130.0/24 45,019 2026-09-10 18:08:49
114.110.132.0/24 45,010 2026-09-10 18:08:49
114.110.140.0/24 45,009 2026-09-10 18:08:49
114.110.137.0/24 45,006 2026-09-10 18:08:49
114.110.138.0/24 45,000 2026-09-10 18:08:49
114.110.141.0/24 44,996 2026-09-10 18:08:49
114.110.131.0/24 44,981 2026-09-10 18:08:49
114.110.139.0/24 44,953 2026-09-10 18:08:49
114.110.143.0/24 44,925 2026-09-10 18:08:49
133.186.193.0/24 44,849 2026-09-10 18:08:49
114.110.186.0/24 44,613 2026-09-10 18:12:25
114.110.184.0/24 44,602 2026-09-10 18:12:25
114.110.190.0/24 44,602 2026-09-10 18:12:25
114.110.185.0/24 44,602 2026-09-10 18:12:25
114.110.187.0/24 44,598 2026-09-10 18:12:25
114.110.191.0/24 44,579 2026-09-10 18:12:25
45.125.232.0/24 43,928 2026-09-10 18:12:25
103.243.202.0/24 43,871 2026-09-10 18:12:25
106.249.20.0/22 43,693 2026-09-10 18:12:04
211.50.32.0/24 43,671 2026-09-10 18:12:04
211.50.58.0/24 43,670 2026-09-10 18:12:04
103.243.203.0/24 42,884 2026-09-10 18:12:04
115.88.132.0/24 42,334 2026-09-10 18:12:04
114.110.154.0/24 39,777 2026-09-10 18:08:49
133.186.196.0/24 38,964 2026-09-10 18:08:49
133.186.162.0/24 38,800 2026-09-10 18:08:49
1.209.199.0/24 38,377 2026-09-10 18:08:49
45.249.160.0/24 38,306 2026-09-10 18:08:49
45.249.161.0/24 38,305 2026-09-10 18:08:49
45.249.162.0/24 38,283 2026-09-10 18:08:49
45.249.163.0/24 38,252 2026-09-10 18:08:49
133.186.189.0/24 38,233 2026-09-10 18:08:49
133.186.156.0/24 38,176 2026-09-10 18:08:49
101.79.86.0/24 38,114 2026-09-10 18:08:49
101.79.84.0/24 38,113 2026-09-10 18:08:49
101.79.85.0/24 38,112 2026-09-10 18:08:49
101.79.93.0/24 38,093 2026-09-10 18:08:49
101.79.94.0/24 38,092 2026-09-10 18:08:49
103.218.157.0/24 38,092 2026-09-10 18:08:49
103.218.159.0/24 38,091 2026-09-10 18:08:49
101.79.87.0/24 38,088 2026-09-10 18:08:49
103.218.158.0/24 38,087 2026-09-10 18:08:49
101.79.81.0/24 38,072 2026-09-10 18:08:49

Showing top 50 of 394 announced prefixes by sample volume.

Frequently Asked Questions

What is AS45974?

AS45974 is an Autonomous System Number assigned to NHNCLOUD. 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 AS45974 announce?

AS45974 announces 97.8K IPv4 addresses distributed across 92 routed CIDR prefixes. The network is registered in South Korea.

Who operates AS45974?

AS45974 is operated by NHNCLOUD. The organization is based in South Korea. You can view all IP ranges and related ASNs on the organization page.

What country is AS45974 registered in?

AS45974 is registered in South Korea. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-09-10 18:54:06 UTC
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