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Autonomous System

AS4618

Internet Thailand Company Limited

Announced IPs
218,368
CIDR prefixes
102
ASN
AS4618

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.

70/100
Moderate
How this score is built

Experimental · trust-vectors model v1.3.0 — a transparent heuristic, not a definitive verdict. How it works →

Network profile

Source: PeeringDB →
Network type Cable/DSL/ISP
Traffic level 50-100Gbps
Geographic scope Asia Pacific
Traffic ratio Balanced
Peering policy Open
IRR record AS-ITSC

Present at 4 internet exchanges: BKNIX (Thailand): Bangkok, SYMPHONY THAI - IX BANGKOK - 1: SYMC-IX LAN1, THAILAND IX (TH-IX), TRUE-IX

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
203.154.0.0/17 32.8K
98.9%
Internet Thailand Company Limited TH — —
203.151.192.0/18 16.4K
96.1%
Internet Thailand Company Limited TH — —
203.154.192.0/18 16.4K
98.0%
Internet Thailand Company Limited TH — —
203.150.64.0/19 8.2K
99.6%
Internet Thailand Company Limited TH — —
203.150.192.0/19 8.2K
93.0%
Internet Thailand Company Limited TH — —
203.151.32.0/19 8.2K
99.9%
Internet Thailand Company Limited TH — —
203.151.64.0/19 8.2K
99.9%
Internet Thailand Company Limited TH — —
203.151.160.0/19 8.2K
97.4%
Internet Thailand Company Limited TH — —
203.154.160.0/19 8.2K
99.7%
Internet Thailand Company Limited TH — —
203.150.0.0/20 4.1K
94.2%
Internet Thailand Company Limited TH — —
203.150.48.0/20 4.1K
99.6%
Internet Thailand Company Limited TH — —
203.150.96.0/20 4.1K
99.5%
Internet Thailand Company Limited TH — —
203.150.144.0/20 4.1K
93.5%
Internet Thailand Company Limited TH — —
203.150.176.0/20 4.1K
99.6%
Internet Thailand Company Limited TH Bangkok Bangkok
203.150.224.0/20 4.1K
96.9%
Internet Thailand Company Limited TH — —
203.151.112.0/20 4.1K
92.0%
Internet Thailand Company Limited TH — —
203.151.128.0/20 4.1K
95.4%
Internet Thailand Company Limited TH — —
203.154.144.0/20 4.1K
89.7%
Internet Thailand Company Limited TH — —
210.4.128.0/20 4.1K
21.2%
Internet Thailand Company Limited TH — —
38.159.248.0/21 2.0K
0.0%
Internet Thailand Company Limited US — —
202.44.192.0/21 2.0K
12.5%
Internet Thailand Company Limited TH — —
202.44.208.0/21 2.0K
25.0%
Internet Thailand Company Limited TH — —
203.150.16.0/21 2.0K
99.8%
Internet Thailand Company Limited TH — —
203.150.136.0/21 2.0K
99.5%
Internet Thailand Company Limited TH — —
203.150.184.0/21 2.0K
99.6%
Internet Thailand Company Limited TH — —
203.151.8.0/21 2.0K
99.4%
Internet Thailand Company Limited TH — —
203.151.96.0/21 2.0K
99.9%
Internet Thailand Company Limited TH — —
203.151.144.0/21 2.0K
100.0%
Internet Thailand Company Limited TH — —
203.154.128.0/21 2.0K
99.5%
Internet Thailand Company Limited TH — —
210.4.152.0/21 2.0K
13.5%
Internet Thailand Company Limited TH — —
38.159.244.0/22 1.0K
0.0%
Internet Thailand Company Limited US — —
103.125.92.0/22 1.0K
0.1%
Internet Thailand Company Limited TH — —
103.138.176.0/22 1.0K
1.6%
Internet Thailand Company Limited TH — —
202.44.200.0/22 1.0K
75.0%
Internet Thailand Company Limited TH — —
202.44.220.0/22 1.0K
74.4%
Internet Thailand Company Limited TH — —
202.44.224.0/22 1.0K
99.7%
Internet Thailand Company Limited TH — —
202.44.236.0/22 1.0K
96.4%
Internet Thailand Company Limited TH — —
202.44.240.0/22 1.0K
99.8%
Internet Thailand Company Limited TH — —
202.44.248.0/22 1.0K
99.7%
Internet Thailand Company Limited TH — —
203.150.28.0/22 1.0K
98.8%
Internet Thailand Company Limited TH — —
203.150.36.0/22 1.0K
99.8%
Internet Thailand Company Limited TH — —
203.150.44.0/22 1.0K
99.7%
Internet Thailand Company Limited TH — —
203.150.112.0/22 1.0K
100.0%
Internet Thailand Company Limited TH — —
203.150.124.0/22 1.0K
99.4%
Internet Thailand Company Limited TH — —
203.150.132.0/22 1.0K
99.8%
Internet Thailand Company Limited TH — —
203.150.164.0/22 1.0K
99.8%
Internet Thailand Company Limited TH — —
203.150.168.0/22 1.0K
99.8%
Internet Thailand Company Limited TH Chiang Mai Chiang Mai
203.150.180.0/22 1.0K
99.5%
Internet Thailand Company Limited TH — —
203.150.240.0/22 1.0K
99.7%
Internet Thailand Company Limited TH — —
203.150.252.0/22 1.0K
99.6%
Internet Thailand Company Limited TH — —
203.151.4.0/22 1.0K
100.0%
Internet Thailand Company Limited TH — —
203.151.20.0/22 1.0K
99.2%
Internet Thailand Company Limited TH Bangkok Bangkok
203.151.28.0/22 1.0K
100.0%
Internet Thailand Company Limited TH — —
203.151.104.0/22 1.0K
100.0%
Internet Thailand Company Limited TH — —
203.151.152.0/22 1.0K
99.9%
Internet Thailand Company Limited TH — —
203.154.140.0/22 1.0K
99.6%
Internet Thailand Company Limited TH — —
210.4.148.0/22 1.0K
1.6%
Internet Thailand Company Limited TH — —
202.44.206.0/23 512
49.8%
Internet Thailand Company Limited TH — —
202.44.234.0/23 512
50.0%
Internet Thailand Company Limited TH — —
202.44.246.0/23 512
50.0%
Internet Thailand Company Limited TH — —
203.150.24.0/23 512
99.8%
Internet Thailand Company Limited TH — —
203.150.32.0/23 512
99.8%
Internet Thailand Company Limited TH — —
203.150.40.0/23 512
100.0%
Internet Thailand Company Limited TH — —
203.150.116.0/23 512
99.8%
Internet Thailand Company Limited TH — —
203.150.128.0/23 512
99.4%
Internet Thailand Company Limited TH — —
203.150.160.0/23 512
99.4%
Internet Thailand Company Limited TH — —
203.150.172.0/23 512
99.8%
Internet Thailand Company Limited TH — —
203.150.176.0/23 512
99.8%
Internet Thailand Company Limited TH — —
203.150.244.0/23 512
99.4%
Internet Thailand Company Limited TH — —
203.150.248.0/23 512
99.8%
Internet Thailand Company Limited TH — —
203.151.2.0/23 512
100.0%
Internet Thailand Company Limited TH — —
203.151.16.0/23 512
99.8%
Internet Thailand Company Limited TH — —
203.151.26.0/23 512
99.8%
Internet Thailand Company Limited TH — —
203.151.108.0/23 512
100.0%
Internet Thailand Company Limited TH — —
203.151.156.0/23 512
100.0%
Internet Thailand Company Limited TH — —
203.154.138.0/23 512
99.8%
Internet Thailand Company Limited TH — —
210.4.144.0/23 512
0.2%
Internet Thailand Company Limited TH — —
110.76.155.0/24 256
0.0%
Internet Thailand Company Limited TH — —
202.44.205.0/24 256
100.0%
Internet Thailand Company Limited TH — —
202.44.216.0/24 256
99.6%
Internet Thailand Company Limited TH — —
202.44.219.0/24 256
99.2%
Internet Thailand Company Limited TH — —
202.44.228.0/24 256
98.8%
Internet Thailand Company Limited TH — —
202.44.245.0/24 256
99.2%
Internet Thailand Company Limited TH — —
202.44.247.0/24 256
0.0%
Internet Thailand Company Limited TH — —
202.44.253.0/24 256
99.6%
Internet Thailand Company Limited TH — —
203.150.26.0/24 256
99.6%
Internet Thailand Company Limited TH — —
203.150.34.0/24 256
98.4%
Internet Thailand Company Limited TH — —
203.150.43.0/24 256
100.0%
Internet Thailand Company Limited TH — —
203.150.119.0/24 256
100.0%
Internet Thailand Company Limited TH — —
203.150.120.0/24 256
99.2%
Internet Thailand Company Limited TH — —
203.150.123.0/24 256
99.6%
Internet Thailand Company Limited TH — —
203.150.130.0/24 256
100.0%
Internet Thailand Company Limited TH — —
203.150.162.0/24 256
99.6%
Internet Thailand Company Limited TH — —
203.150.174.0/24 256
100.0%
Internet Thailand Company Limited TH — —
203.150.179.0/24 256
100.0%
Internet Thailand Company Limited TH — —
203.150.247.0/24 256
98.8%
Internet Thailand Company Limited TH — —
203.150.251.0/24 256
100.0%
Internet Thailand Company Limited TH — —
203.151.0.0/24 256
2.3%
Internet Thailand Company Limited TH — —
203.151.19.0/24 256
100.0%
Internet Thailand Company Limited TH — —
203.151.24.0/24 256
100.0%
Internet Thailand Company Limited TH — —

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS4618 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
203.151.221.0/24 12,680,416 2026-10-22 14:32:57
203.154.248.0/24 197,407 2026-11-12 14:19:56
203.154.170.0/24 190,775 2026-11-12 14:19:56
203.150.208.0/23 189,558 2026-11-12 14:26:18
203.151.40.0/24 181,610 2026-11-12 14:24:29
203.154.127.0/24 181,600 2026-11-12 14:24:29
203.151.143.0/24 180,029 2026-11-12 14:24:29
203.154.20.0/24 180,013 2026-11-12 14:24:29
203.154.202.0/24 179,804 2026-11-12 14:24:29
203.154.183.0/24 179,676 2026-11-12 14:24:29
203.150.4.0/24 179,557 2026-11-12 14:32:43
202.44.200.0/24 140,342 2026-11-12 14:34:22
202.44.201.0/24 139,473 2026-11-12 14:34:22
103.154.70.0/23 137,517 2026-11-12 14:34:22
202.44.198.0/24 137,490 2026-11-12 14:34:22
202.44.216.0/24 136,975 2026-11-12 14:34:22
203.151.200.0/24 134,186 2026-11-12 14:34:22
203.151.202.0/24 132,689 2026-11-12 14:34:22
202.44.232.0/21 132,611 2026-11-12 14:34:22
202.44.192.0/21 131,441 2026-11-12 14:34:22
202.44.241.0/24 130,585 2026-11-12 14:34:22
202.44.224.0/21 129,361 2026-11-12 14:34:22
202.44.216.0/22 126,976 2026-11-12 14:34:22
202.44.248.0/21 126,870 2026-11-12 14:34:22
202.44.243.0/24 125,552 2026-11-12 14:34:22
202.44.225.0/24 121,979 2026-11-12 14:34:22
202.44.240.0/21 120,584 2026-11-12 14:34:22
202.44.208.0/21 120,452 2026-11-12 14:34:22
203.151.93.0/24 116,485 2026-11-12 14:34:22
103.125.92.0/22 115,999 2026-11-12 14:34:22
203.151.201.0/24 111,467 2026-11-12 14:34:22
203.151.203.0/24 111,348 2026-11-12 14:34:22
210.4.134.0/24 105,561 2026-11-12 14:19:01
203.150.33.0/24 100,921 2026-11-12 14:34:22
203.151.95.0/24 100,296 2026-11-12 14:24:19
203.150.120.0/24 100,000 2026-11-12 14:34:22
203.150.147.0/24 98,421 2026-11-12 14:34:22
202.44.237.0/24 97,588 2026-11-12 14:34:22
203.151.240.0/24 97,403 2026-11-12 14:34:22
202.44.238.0/24 97,284 2026-11-12 14:34:22
203.151.85.0/24 97,261 2026-11-12 14:34:22
203.150.228.0/24 97,218 2026-11-12 14:34:22
203.151.169.0/24 96,816 2026-11-12 14:34:22
203.150.58.0/24 96,753 2026-11-12 14:34:22
203.154.204.0/24 95,894 2026-11-12 14:34:22
203.151.205.0/24 95,812 2026-11-12 14:34:22
203.154.201.0/24 94,998 2026-11-12 14:34:22
203.151.165.0/24 94,821 2026-11-12 14:34:22
203.154.27.0/24 94,633 2026-11-12 14:34:22
203.151.200.0/22 94,270 2026-11-12 14:34:22

Showing top 50 of 451 announced prefixes by sample volume.

Frequently Asked Questions

What is AS4618?

AS4618 is an Autonomous System Number assigned to Internet Thailand Company 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 AS4618 announce?

AS4618 announces 218.4K IPv4 addresses distributed across 102 routed CIDR prefixes. The network is registered in Thailand.

Who operates AS4618?

AS4618 is operated by Internet Thailand Company Limited. The organization is based in Thailand. You can view all IP ranges and related ASNs on the organization page.

What country is AS4618 registered in?

AS4618 is registered in Thailand. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-11-12 14:39:06 UTC
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