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Autonomous System

AS4621

UNINET-TH

Announced IPs
137,984
CIDR prefixes
97
ASN
AS4621

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.

65/100
Moderate
How this score is built

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

Network profile

Source: PeeringDB →
Network type Educational/Research
Traffic level 100-200Gbps
Geographic scope Asia Pacific
Traffic ratio Mostly Inbound
Peering policy Open
IRR record RADB::AS-UNINET

Present at 4 internet exchanges: BKNIX (Thailand): Bangkok, THAILAND IX (TH-IX), BKNIX Chiang Mai (Thailand), Equinix Singapore

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
203.159.128.0/17 32.8K
0.0%
Chulalongkorn University TH
182.93.192.0/18 16.4K
0.0%
Chulalongkorn University TH
202.29.192.0/18 16.4K
0.0%
Chulalongkorn University TH Khon Kaen Khon Kaen
203.159.192.0/18 16.4K
0.0%
Chulalongkorn University TH
202.28.192.0/19 8.2K
0.0%
Chulalongkorn University TH Chiang Mai Chiang Mai
203.159.128.0/19 8.2K
0.0%
Chulalongkorn University TH
202.28.224.0/20 4.1K
1.1%
Chulalongkorn University TH Chiang Mai Chiang Mai
202.29.112.0/20 4.1K
0.0%
Chulalongkorn University TH
202.29.128.0/20 4.1K
0.0%
Chulalongkorn University TH
203.159.176.0/20 4.1K
0.0%
Chulalongkorn University TH
202.28.8.0/21 2.0K
0.0%
UNINET-TH TH Bangkok Bangkok
202.28.56.0/21 2.0K
0.8%
Chulalongkorn University TH Bangkok Bangkok
202.28.104.0/21 2.0K
0.2%
Chulalongkorn University TH
202.28.120.0/21 2.0K
0.0%
Chulalongkorn University TH
202.29.40.0/21 2.0K
0.0%
Chulalongkorn University TH
202.29.72.0/21 2.0K
0.0%
UNINET-TH TH
202.29.152.0/21 2.0K
0.0%
Chulalongkorn University TH
202.29.160.0/21 2.0K
0.0%
Chulalongkorn University TH
202.29.184.0/21 2.0K
0.0%
Chulalongkorn University TH
203.159.168.0/21 2.0K
0.0%
Chulalongkorn University TH
103.1.160.0/22 1.0K
0.0%
Chulalongkorn University TH
202.28.20.0/22 1.0K
0.0%
Chulalongkorn University TH Uttaradit Ban Muang
202.28.28.0/22 1.0K
0.0%
Chulalongkorn University TH
202.28.36.0/22 1.0K
0.0%
Chulalongkorn University TH
202.28.56.0/22 1.0K
0.0%
Chulalongkorn University TH
202.28.76.0/22 1.0K
50.2%
Chulalongkorn University TH Bangkok Bangkok
202.28.84.0/22 1.0K
0.0%
Chulalongkorn University TH
202.28.96.0/22 1.0K
0.0%
Chulalongkorn University TH
202.28.112.0/22 1.0K
0.0%
Chulalongkorn University TH
202.28.240.0/22 1.0K
0.0%
Chulalongkorn University TH
202.28.252.0/22 1.0K
0.0%
Chulalongkorn University TH
202.29.0.0/22 1.0K
0.0%
Chulalongkorn University TH
202.29.12.0/22 1.0K
0.0%
UNINET-TH TH
202.29.48.0/22 1.0K
0.0%
Chulalongkorn University TH
202.29.72.0/22 1.0K
0.0%
Chulalongkorn University TH
202.29.96.0/22 1.0K
0.0%
UNINET-TH TH
202.29.168.0/22 1.0K
0.0%
Chulalongkorn University TH
202.29.180.0/22 1.0K
0.0%
Chulalongkorn University TH
203.158.132.0/22 1.0K
0.0%
Chulalongkorn University TH
203.158.136.0/22 1.0K
0.0%
Chulalongkorn University TH
203.158.156.0/22 1.0K
0.5%
Chulalongkorn University TH
202.28.2.0/23 512
0.0%
Chulalongkorn University TH
202.28.18.0/23 512
0.0%
Chulalongkorn University TH
202.28.52.0/23 512
2.3%
Chulalongkorn University TH
202.28.82.0/23 512
0.0%
Chulalongkorn University TH
202.29.4.0/23 512
0.0%
UNINET-TH TH
202.29.14.0/23 512
0.0%
Chulalongkorn University TH
202.29.20.0/23 512
0.0%
Chulalongkorn University TH Ubon Ratchathani Ubon Ratchathani
202.29.28.0/23 512
0.0%
Chulalongkorn University TH
202.29.34.0/23 512
0.0%
Chulalongkorn University TH
202.29.54.0/23 512
0.0%
Chulalongkorn University TH
202.29.56.0/23 512
0.0%
UNINET-TH TH
202.29.62.0/23 512
0.0%
Chulalongkorn University TH
202.29.68.0/23 512
0.0%
Chulalongkorn University TH
202.29.78.0/23 512
0.0%
Chulalongkorn University TH
202.29.84.0/23 512
0.0%
Chulalongkorn University TH
202.29.90.0/23 512
0.0%
Chulalongkorn University TH
202.29.94.0/23 512
0.0%
Chulalongkorn University TH
202.29.96.0/23 512
0.0%
Chulalongkorn University TH
202.29.100.0/23 512
0.0%
Chulalongkorn University TH
202.29.110.0/23 512
0.0%
Chulalongkorn University TH
202.44.138.0/23 512
0.0%
Chulalongkorn University TH
203.158.150.0/23 512
1.8%
Chulalongkorn University TH
203.158.154.0/23 512
0.0%
Chulalongkorn University TH
203.159.162.0/23 512
0.0%
Chulalongkorn University TH
203.159.166.0/23 512
0.0%
Chulalongkorn University TH
202.28.0.0/24 256
0.8%
Chulalongkorn University TH
202.28.55.0/24 256
0.0%
Chulalongkorn University TH
202.28.61.0/24 256
0.0%
Chulalongkorn University TH
202.28.63.0/24 256
0.0%
Chulalongkorn University TH
202.28.65.0/24 256
0.0%
Chulalongkorn University TH
202.29.5.0/24 256
0.0%
Chulalongkorn University TH
202.29.7.0/24 256
0.0%
Chulalongkorn University TH
202.29.13.0/24 256
0.0%
Chulalongkorn University TH
202.29.17.0/24 256
0.0%
Chulalongkorn University TH
202.29.19.0/24 256
0.0%
Chulalongkorn University TH
202.29.25.0/24 256
0.0%
Chulalongkorn University TH
202.29.27.0/24 256
0.0%
Chulalongkorn University TH
202.29.31.0/24 256
0.0%
Chulalongkorn University TH
202.29.36.0/24 256
0.0%
Chulalongkorn University TH
202.29.38.0/24 256
0.0%
Chulalongkorn University TH
202.29.52.0/24 256
0.0%
Chulalongkorn University TH
202.29.56.0/24 256
0.0%
Chulalongkorn University TH
202.29.59.0/24 256
0.0%
Chulalongkorn University TH
202.29.61.0/24 256
0.0%
Chulalongkorn University TH
202.29.67.0/24 256
0.0%
Chulalongkorn University TH
202.29.71.0/24 256
0.0%
Chulalongkorn University TH
202.29.76.0/24 256
0.0%
Chulalongkorn University TH
202.29.87.0/24 256
0.0%
Chulalongkorn University TH Khon Kaen Khon Kaen
202.29.89.0/24 256
0.0%
Chulalongkorn University TH
202.29.92.0/24 256
0.0%
Chulalongkorn University TH
202.29.99.0/24 256
0.0%
Chulalongkorn University TH
202.29.102.0/24 256
0.0%
Chulalongkorn University TH
202.29.105.0/24 256
0.0%
Chulalongkorn University TH
202.29.107.0/24 256
0.0%
Chulalongkorn University TH
202.29.145.0/24 256
0.0%
Chulalongkorn University TH
202.44.128.0/24 256
0.0%
Chulalongkorn University TH
203.158.153.0/24 256
0.0%
Chulalongkorn University TH
203.159.161.0/24 256
0.0%
Chulalongkorn University TH
203.159.165.0/24 256
0.0%
Chulalongkorn University TH

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS4621 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
202.29.75.0/24 176,885 2026-09-11 12:23:50
202.28.83.0/24 173,529 2026-09-11 12:28:14
202.28.82.0/24 173,415 2026-09-11 12:27:43
202.28.36.0/24 34,461 2026-09-11 12:23:50
202.28.37.0/24 34,354 2026-09-11 12:23:50
202.28.38.0/24 34,336 2026-09-11 12:23:50
202.28.253.0/24 31,096 2026-09-11 12:24:55
202.29.55.0/24 28,698 2026-09-11 12:34:17
202.28.108.0/24 27,128 2026-09-11 12:33:27
203.158.132.0/22 24,349 2026-09-11 12:23:50
202.28.20.0/24 23,267 2026-09-11 12:25:59
202.28.2.0/24 23,173 2026-09-11 12:38:25
202.28.198.0/24 23,136 2026-09-11 12:23:50
202.29.48.0/24 20,883 2026-09-11 12:23:50
202.29.14.0/24 20,504 2026-09-11 12:23:50
202.28.39.0/24 20,059 2026-09-11 12:32:26
202.29.34.0/24 20,037 2026-09-11 12:26:44
202.28.56.0/24 19,983 2026-09-11 12:23:50
202.29.38.0/24 19,943 2026-09-11 12:24:22
202.29.68.0/24 19,936 2026-09-11 12:26:58
202.28.52.0/24 19,780 2026-09-11 12:25:08
202.29.90.0/24 19,751 2026-09-11 12:30:09
202.29.56.0/24 19,743 2026-09-11 12:29:30
202.29.62.0/24 19,571 2026-09-11 12:28:15
182.93.128.0/17 18,511 2026-09-10 21:42:35
202.28.3.0/24 17,705 2026-09-11 12:38:25
202.29.51.0/24 17,006 2026-09-11 12:23:50
202.29.15.0/24 16,957 2026-09-11 12:23:50
202.29.50.0/24 16,927 2026-09-11 12:23:50
202.29.79.0/24 16,742 2026-09-11 12:23:50
202.28.21.0/24 16,672 2026-09-11 12:26:31
202.28.22.0/24 16,666 2026-09-11 12:27:02
202.29.5.0/24 16,644 2026-09-11 12:24:42
202.29.76.0/24 16,642 2026-09-11 12:23:50
202.28.63.0/24 16,594 2026-09-11 12:23:50
202.28.86.0/24 16,583 2026-09-11 12:25:23
202.28.120.0/24 16,562 2026-09-11 12:25:36
202.29.129.0/24 16,556 2026-09-11 12:28:10
202.28.84.0/24 16,554 2026-09-11 12:28:46
202.29.153.0/24 16,553 2026-09-11 12:32:50
202.29.54.0/24 16,550 2026-09-11 12:33:46
202.29.92.0/24 16,549 2026-09-11 12:31:34
202.29.7.0/24 16,503 2026-09-11 12:23:50
202.28.0.0/15 16,491 2026-09-11 12:23:50
103.1.160.0/22 16,389 2026-09-11 12:23:50
203.158.144.0/20 16,330 2026-09-11 12:23:50
202.44.128.0/24 16,283 2026-09-11 12:23:50
203.158.136.0/21 16,179 2026-09-11 12:24:23
203.158.232.0/21 16,001 2026-09-11 12:23:50
203.159.128.0/17 15,117 2026-09-11 12:31:33

Showing top 50 of 84 announced prefixes by sample volume.

Frequently Asked Questions

What is AS4621?

AS4621 is an Autonomous System Number assigned to UNINET-TH. 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 AS4621 announce?

AS4621 announces 138.0K IPv4 addresses distributed across 97 routed CIDR prefixes. The network is registered in Thailand.

Who operates AS4621?

AS4621 is operated by UNINET-TH. The organization is based in Thailand. You can view all IP ranges and related ASNs on the organization page.

What country is AS4621 registered in?

AS4621 is registered in Thailand. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-09-11 12:41:08 UTC
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