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Autonomous System

AS4621

UNINET-TH

Announced IPs
137,728
CIDR prefixes
96
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 v1.1.0 — 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%
TH Bangkok Bangkok
202.28.56.0/21 2.0K
0.8%
Chulalongkorn University TH Nakhon Nayok Ongkharak
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
202.29.152.0/21 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 Phitsanulok Phitsanulok
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%
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
202.29.168.0/22 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
202.28.83.0/24 151,284 2026-07-19 06:46:08
202.28.82.0/24 151,216 2026-07-19 06:46:08
202.29.75.0/24 68,349 2026-07-19 06:46:08
203.158.132.0/22 14,276 2026-07-19 06:46:08
202.28.108.0/24 13,458 2026-07-19 06:46:08
202.28.20.0/24 12,921 2026-07-19 06:46:08
202.28.2.0/24 11,278 2026-07-19 06:46:08
182.93.128.0/17 11,207 2026-07-16 16:07:18
202.28.253.0/24 10,298 2026-07-19 06:46:08
202.29.14.0/24 10,124 2026-07-19 06:46:08
202.28.56.0/24 9,763 2026-07-19 06:46:08
202.29.38.0/24 9,706 2026-07-19 06:46:08
202.29.68.0/24 9,653 2026-07-19 06:46:08
202.28.198.0/24 9,601 2026-07-19 06:46:08
202.29.90.0/24 9,544 2026-07-19 06:46:08
202.28.52.0/24 9,543 2026-07-19 06:46:08
202.29.56.0/24 9,418 2026-07-19 06:46:08
202.29.62.0/24 9,237 2026-07-19 06:46:08
202.44.139.0/24 7,130 2026-07-19 06:46:08
202.28.3.0/24 7,091 2026-07-19 06:46:32
202.44.138.0/24 6,977 2026-07-19 06:46:08
202.29.51.0/24 6,727 2026-07-19 06:46:08
202.29.50.0/24 6,443 2026-07-19 06:46:08
202.29.15.0/24 6,405 2026-07-19 06:46:08
202.29.48.0/24 6,404 2026-07-19 06:46:08
202.28.36.0/24 6,402 2026-07-19 06:46:08
202.28.38.0/24 6,392 2026-07-19 06:46:08
202.28.37.0/24 6,378 2026-07-19 06:46:08
202.29.76.0/24 6,341 2026-07-19 06:46:08
202.29.79.0/24 6,316 2026-07-19 06:46:08
202.28.63.0/24 6,307 2026-07-19 06:46:08
202.28.86.0/24 6,301 2026-07-19 06:46:08
202.29.129.0/24 6,299 2026-07-19 06:46:08
202.28.84.0/24 6,295 2026-07-19 06:46:08
202.29.92.0/24 6,286 2026-07-19 06:46:08
202.29.54.0/24 6,280 2026-07-19 06:46:08
202.29.153.0/24 6,274 2026-07-19 06:46:08
202.29.5.0/24 6,274 2026-07-19 06:46:08
202.29.7.0/24 6,271 2026-07-19 06:46:08
202.29.55.0/24 6,269 2026-07-19 06:46:08
202.28.21.0/24 6,261 2026-07-19 06:46:08
202.28.0.0/15 6,257 2026-07-19 06:46:08
202.28.22.0/24 6,256 2026-07-19 06:46:08
202.29.34.0/24 6,250 2026-07-19 06:46:08
202.28.39.0/24 6,241 2026-07-19 06:46:08
103.1.160.0/22 6,212 2026-07-19 06:46:08
203.158.144.0/20 6,197 2026-07-19 06:46:08
202.44.128.0/24 6,192 2026-07-19 06:46:08
202.28.120.0/24 6,187 2026-07-19 06:46:08
203.158.136.0/21 6,041 2026-07-19 06:46:08

Showing top 50 of 83 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 137.7K IPv4 addresses distributed across 96 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: 2026-07-19 06:55:31 UTC
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