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Autonomous System

AS4621

UNINET-TH

Announced IPs
120,064
CIDR prefixes
91
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.

53/100
Caution
How this score is built

Experimental · trust-vectors model v1.2.1 — 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 AS4621 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)
202.44.136.0/24 AS4621, AS140618 2026-10-18 12:59:37

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
182.93.192.0/18 16.4K
0.0%
UNINET-TH TH — —
202.29.192.0/18 16.4K
0.0%
UNINET-TH TH Khon Kaen Khon Kaen
203.159.192.0/18 16.4K
0.0%
UNINET-TH TH — —
202.28.192.0/19 8.2K
0.0%
UNINET-TH TH — —
203.159.128.0/19 8.2K
0.0%
UNINET-TH TH — —
202.28.224.0/20 4.1K
1.4%
UNINET-TH TH — —
202.29.112.0/20 4.1K
0.0%
UNINET-TH TH — —
202.29.128.0/20 4.1K
0.0%
UNINET-TH TH — —
203.159.176.0/20 4.1K
0.0%
UNINET-TH TH — —
202.28.8.0/21 2.0K
0.0%
UNINET-TH TH — —
202.28.104.0/21 2.0K
0.3%
UNINET-TH TH — —
202.28.120.0/21 2.0K
0.0%
UNINET-TH TH — —
202.29.40.0/21 2.0K
0.0%
UNINET-TH TH — —
202.29.152.0/21 2.0K
0.0%
UNINET-TH TH — —
202.29.160.0/21 2.0K
0.0%
UNINET-TH TH — —
202.29.184.0/21 2.0K
0.0%
UNINET-TH TH — —
203.159.168.0/21 2.0K
0.0%
UNINET-TH TH — —
103.1.160.0/22 1.0K
0.0%
UNINET-TH TH — —
202.28.20.0/22 1.0K
0.0%
UNINET-TH TH Phitsanulok Phitsanulok
202.28.28.0/22 1.0K
0.0%
UNINET-TH TH — —
202.28.36.0/22 1.0K
0.0%
UNINET-TH TH — —
202.28.56.0/22 1.0K
0.0%
UNINET-TH TH — —
202.28.76.0/22 1.0K
32.5%
UNINET-TH TH Bangkok Bangkok
202.28.84.0/22 1.0K
0.0%
UNINET-TH TH — —
202.28.96.0/22 1.0K
0.0%
UNINET-TH TH — —
202.28.112.0/22 1.0K
0.0%
UNINET-TH TH — —
202.28.240.0/22 1.0K
0.0%
UNINET-TH TH — —
202.28.252.0/22 1.0K
0.0%
UNINET-TH TH — —
202.29.0.0/22 1.0K
0.0%
UNINET-TH TH — —
202.29.12.0/22 1.0K
0.0%
UNINET-TH TH — —
202.29.48.0/22 1.0K
0.0%
UNINET-TH TH — —
202.29.72.0/22 1.0K
0.0%
UNINET-TH TH — —
202.29.168.0/22 1.0K
0.0%
UNINET-TH TH — —
202.29.180.0/22 1.0K
0.0%
UNINET-TH TH — —
203.158.132.0/22 1.0K
0.0%
UNINET-TH TH — —
203.158.136.0/22 1.0K
0.0%
UNINET-TH TH — —
203.158.156.0/22 1.0K
0.5%
UNINET-TH TH — —
202.28.2.0/23 512
0.0%
UNINET-TH TH — —
202.28.18.0/23 512
0.0%
UNINET-TH TH — —
202.28.52.0/23 512
2.9%
UNINET-TH TH — —
202.28.82.0/23 512
0.0%
UNINET-TH TH — —
202.29.14.0/23 512
0.0%
UNINET-TH TH — —
202.29.20.0/23 512
0.0%
UNINET-TH TH Ubon Ratchathani Ubon Ratchathani
202.29.28.0/23 512
0.0%
UNINET-TH TH — —
202.29.34.0/23 512
0.0%
UNINET-TH TH — —
202.29.54.0/23 512
0.0%
UNINET-TH TH — —
202.29.56.0/23 512
0.0%
UNINET-TH TH — —
202.29.62.0/23 512
0.0%
UNINET-TH TH — —
202.29.68.0/23 512
0.0%
UNINET-TH TH — —
202.29.78.0/23 512
0.0%
UNINET-TH TH — —
202.29.84.0/23 512
0.0%
UNINET-TH TH — —
202.29.90.0/23 512
0.0%
UNINET-TH TH — —
202.29.94.0/23 512
0.0%
UNINET-TH TH — —
202.29.96.0/23 512
0.0%
UNINET-TH TH — —
202.29.100.0/23 512
0.0%
UNINET-TH TH — —
202.29.110.0/23 512
0.0%
UNINET-TH TH — —
202.44.138.0/23 512
0.0%
UNINET-TH TH — —
203.158.150.0/23 512
1.8%
UNINET-TH TH — —
203.158.154.0/23 512
0.0%
UNINET-TH TH — —
203.159.162.0/23 512
0.0%
UNINET-TH TH — —
203.159.166.0/23 512
0.0%
UNINET-TH TH — —
202.28.0.0/24 256
0.8%
UNINET-TH TH — —
202.28.55.0/24 256
0.0%
UNINET-TH TH — —
202.28.61.0/24 256
0.0%
UNINET-TH TH — —
202.28.63.0/24 256
0.0%
UNINET-TH TH — —
202.28.65.0/24 256
0.0%
UNINET-TH TH — —
202.28.67.0/24 256
0.4%
UNINET-TH TH — —
202.29.5.0/24 256
0.0%
UNINET-TH TH — —
202.29.7.0/24 256
0.0%
UNINET-TH TH — —
202.29.13.0/24 256
0.0%
UNINET-TH TH — —
202.29.17.0/24 256
0.0%
UNINET-TH TH — —
202.29.19.0/24 256
0.0%
UNINET-TH TH — —
202.29.25.0/24 256
0.0%
UNINET-TH TH — —
202.29.27.0/24 256
0.0%
UNINET-TH TH — —
202.29.31.0/24 256
0.0%
UNINET-TH TH — —
202.29.36.0/24 256
0.0%
UNINET-TH TH — —
202.29.38.0/24 256
0.0%
UNINET-TH TH — —
202.29.52.0/24 256
0.0%
UNINET-TH TH — —
202.29.56.0/24 256
0.0%
UNINET-TH TH — —
202.29.59.0/24 256
0.0%
UNINET-TH TH — —
202.29.61.0/24 256
0.0%
UNINET-TH TH — —
202.29.67.0/24 256
0.0%
UNINET-TH TH — —
202.29.71.0/24 256
0.0%
UNINET-TH TH — —
202.29.76.0/24 256
0.0%
UNINET-TH TH — —
202.29.87.0/24 256
0.0%
UNINET-TH TH Khon Kaen Khon Kaen
202.29.89.0/24 256
0.0%
UNINET-TH TH — —
202.29.92.0/24 256
0.0%
UNINET-TH TH — —
202.29.99.0/24 256
0.0%
UNINET-TH TH — —
202.29.102.0/24 256
0.0%
UNINET-TH TH — —
202.29.105.0/24 256
0.0%
UNINET-TH TH — —
202.29.107.0/24 256
0.0%
UNINET-TH TH — —
202.44.128.0/24 256
0.0%
UNINET-TH TH — —
203.158.153.0/24 256
0.0%
UNINET-TH TH — —
203.159.161.0/24 256
0.0%
UNINET-TH TH — —
203.159.165.0/24 256
0.0%
UNINET-TH 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
202.29.75.0/24 244,442 2026-10-19 22:49:48
202.28.83.0/24 207,670 2026-10-19 22:49:48
202.28.82.0/24 207,428 2026-10-19 22:49:48
202.28.2.0/24 69,338 2026-10-19 22:49:48
202.29.55.0/24 60,152 2026-10-19 22:49:48
202.44.138.0/24 59,172 2026-10-19 22:49:48
202.44.139.0/24 58,347 2026-10-19 22:49:48
202.28.36.0/24 57,342 2026-10-19 22:49:48
202.28.37.0/24 55,537 2026-10-19 22:49:48
202.28.38.0/24 55,440 2026-10-19 22:49:48
202.28.108.0/24 54,942 2026-10-19 22:49:48
202.28.253.0/24 54,854 2026-10-20 00:14:30
202.28.3.0/24 53,110 2026-10-19 22:47:30
203.158.132.0/22 51,704 2026-10-19 22:49:48
202.29.56.0/24 44,903 2026-10-19 22:49:48
202.28.120.0/24 44,815 2026-10-19 22:49:48
202.29.34.0/24 44,639 2026-10-19 22:49:48
202.28.39.0/24 44,317 2026-10-19 22:49:48
202.29.51.0/24 44,223 2026-10-19 22:49:48
202.28.20.0/24 44,164 2026-10-19 22:49:48
202.29.68.0/24 43,983 2026-10-19 22:49:48
202.29.48.0/24 43,743 2026-10-19 22:49:48
202.29.5.0/24 43,735 2026-10-19 22:49:48
202.28.198.0/24 43,444 2026-10-19 22:49:48
202.29.14.0/24 42,726 2026-10-19 22:49:48
202.28.21.0/24 41,062 2026-10-19 22:49:48
202.28.22.0/24 40,980 2026-10-19 22:49:48
202.29.62.0/24 40,442 2026-10-19 22:49:48
202.28.56.0/24 40,227 2026-10-19 22:49:48
202.29.38.0/24 40,130 2026-10-19 22:49:48
202.28.52.0/24 39,991 2026-10-19 22:49:48
202.29.15.0/24 39,683 2026-10-19 22:49:48
202.29.90.0/24 39,675 2026-10-19 22:49:48
202.29.50.0/24 37,896 2026-10-19 22:49:48
202.29.79.0/24 37,796 2026-10-19 22:49:48
202.29.76.0/24 36,900 2026-10-19 22:49:48
202.28.63.0/24 36,835 2026-10-19 22:49:48
202.29.7.0/24 36,828 2026-10-19 22:49:48
202.28.86.0/24 36,828 2026-10-19 22:49:48
103.1.160.0/22 36,773 2026-10-19 22:49:48
202.28.0.0/15 36,708 2026-10-19 22:49:48
203.158.144.0/20 36,700 2026-10-19 22:49:48
202.29.129.0/24 36,614 2026-10-19 22:49:48
202.44.128.0/24 36,562 2026-10-19 22:49:48
202.28.84.0/24 36,558 2026-10-19 22:49:48
203.158.136.0/21 36,484 2026-10-19 22:49:48
202.29.92.0/24 36,411 2026-10-19 22:49:48
203.158.232.0/21 36,399 2026-10-19 22:49:48
202.29.153.0/24 36,376 2026-10-19 22:49:48
202.29.54.0/24 36,310 2026-10-19 22:49:48

Showing top 50 of 85 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 120.1K IPv4 addresses distributed across 91 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: 2026-10-20 00:09:05 UTC
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