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Autonomous System

AS4651

National Telecom Public Company Limited

Announced IPs
9,984
CIDR prefixes
29
ASN
AS4651

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 v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →

Network profile

Source: PeeringDB →
Network type NSP
Traffic level 500-1000Gbps
Geographic scope Asia Pacific
Traffic ratio Mostly Inbound
Peering policy Open
IRR record AS-CAT-IIG

Present at 14 internet exchanges: Any2West, LINX LON1: Main, AMS-IX, NL-ix: Main, DE-CIX Frankfurt: DE-CIX Frankfurt Peering LAN, BBIX Singapore, Equinix Singapore, BBIX Hong Kong, JPNAP Tokyo: Peering, HKIX: HKIX Peering LAN, …

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
122.155.224.0/22 1.0K
0.0%
National Telecom Public Company Limited TH
122.155.244.0/22 1.0K
0.0%
National Telecom Public Company Limited TH
61.19.0.0/23 512
3.1%
National Telecom Public Company Limited TH
93.188.128.0/23 512
0.0%
National Telecom Public Company Limited US
122.155.228.0/23 512
0.0%
National Telecom Public Company Limited TH
122.155.236.0/23 512
0.0%
National Telecom Public Company Limited TH Bangkok Bangkok
122.155.242.0/23 512
0.0%
National Telecom Public Company Limited TH
163.171.120.0/23 512
0.0%
National Telecom Public Company Limited US
61.19.2.0/24 256
6.3%
National Telecom Public Company Limited TH
61.19.4.0/24 256
0.0%
National Telecom Public Company Limited TH
61.19.7.0/24 256
0.0%
National Telecom Public Company Limited TH
61.19.9.0/24 256
0.0%
National Telecom Public Company Limited TH
61.19.14.0/24 256
0.0%
National Telecom Public Company Limited TH
66.114.56.0/24 256
0.4%
National Telecom Public Company Limited US
122.155.229.0/24 256
0.0%
National Telecom Public Company Limited TH
122.155.230.0/24 256
0.0%
National Telecom Public Company Limited TH
122.155.232.0/24 256
0.0%
National Telecom Public Company Limited TH
122.155.235.0/24 256
0.0%
National Telecom Public Company Limited TH
122.155.238.0/24 256
0.0%
National Telecom Public Company Limited TH
122.155.240.0/24 256
0.0%
National Telecom Public Company Limited TH
122.155.243.0/24 256
0.0%
National Telecom Public Company Limited TH
148.253.59.0/24 256
0.0%
National Telecom Public Company Limited US
163.171.105.0/24 256
0.0%
National Telecom Public Company Limited US
163.171.106.0/24 256
0.0%
National Telecom Public Company Limited US
163.171.108.0/24 256
0.0%
National Telecom Public Company Limited US
174.35.3.0/24 256
1.6%
National Telecom Public Company Limited US
174.35.53.0/24 256
0.0%
National Telecom Public Company Limited US
185.27.231.0/24 256
0.0%
National Telecom Public Company Limited US
202.47.253.0/24 256
0.0%
National Telecom Public Company Limited TH
61.19.14.0/25 128
0.0%
TH
202.47.253.128/25 128
0.0%
TH
61.19.14.192/26 64
0.0%
TH
202.47.253.64/26 64
0.0%
TH
61.19.14.160/27 32
0.0%
TH
61.19.9.0/28 16
0.0%
HK
61.19.9.16/28 16
0.0%
TH
61.19.9.32/28 16
0.0%
TH
61.19.9.224/28 16
0.0%
FR
61.19.14.144/28 16
0.0%
TH
61.19.9.72/29 8
0.0%
TH
61.19.9.80/29 8
0.0%
TH
61.19.9.112/29 8
0.0%
FR
61.19.9.200/29 8
0.0%
TH
61.19.9.240/29 8
0.0%
TH
61.19.14.128/29 8
0.0%
TH
202.47.253.24/29 8
0.0%
TH
202.47.253.32/29 8
0.0%
TH
202.47.253.48/29 8
0.0%
TH
61.19.9.48/30 4
0.0%
TH
61.19.9.60/30 4
0.0%
TH
61.19.9.68/30 4
0.0%
TH
61.19.9.92/30 4
0.0%
SG
61.19.9.96/30 4
0.0%
TH
61.19.9.104/30 4
0.0%
TH
61.19.9.124/30 4
0.0%
TH
61.19.9.128/30 4
0.0%
TH
61.19.9.160/30 4
0.0%
TH
61.19.9.176/30 4
0.0%
TH
61.19.9.184/30 4
0.0%
TH
61.19.9.196/30 4
0.0%
TH
61.19.9.212/30 4
0.0%
TH
61.19.9.216/30 4
0.0%
TH
61.19.9.248/30 4
0.0%
TH
61.19.9.252/30 4
0.0%
HK
202.47.253.0/30 4
0.0%
HK
202.47.253.12/30 4
0.0%
TH
202.47.253.20/30 4
0.0%
TH
202.47.253.40/30 4
0.0%
TH
202.47.253.56/30 4
0.0%
TH
61.19.9.58/31 2
0.0%
TH
61.19.9.64/31 2
0.0%
TH
61.19.9.66/31 2
0.0%
HK
61.19.9.88/31 2
0.0%
TH
61.19.9.90/31 2
0.0%
SG
61.19.9.100/31 2
0.0%
TH
61.19.9.102/31 2
0.0%
SG
61.19.9.108/31 2
0.0%
TH
61.19.9.110/31 2
0.0%
FR
61.19.9.120/31 2
0.0%
TH
61.19.9.122/31 2
0.0%
HK
61.19.9.132/31 2
0.0%
TH
61.19.9.134/31 2
0.0%
SG
61.19.9.136/31 2
0.0%
TH
61.19.9.138/31 2
0.0%
SG
61.19.9.140/31 2
0.0%
TH
61.19.9.142/31 2
0.0%
SG
61.19.9.144/31 2
0.0%
TH
61.19.9.146/31 2
0.0%
HK
61.19.9.148/31 2
0.0%
TH
61.19.9.150/31 2
0.0%
HK
61.19.9.152/31 2
0.0%
TH
61.19.9.154/31 2
0.0%
SG
61.19.9.156/31 2
0.0%
SG
61.19.9.158/31 2
0.0%
FR
61.19.9.164/31 2
0.0%
TH
61.19.9.166/31 2
0.0%
FR
61.19.9.168/31 2
0.0%
TH
61.19.9.170/31 2
0.0%
SG
61.19.9.172/31 2
0.0%
TH
61.19.9.174/31 2
0.0%
SG

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS4651 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
122.155.228.0/24 12,034 2026-07-18 10:52:38
185.27.231.0/24 8,851 2026-07-18 10:54:40
61.19.9.0/24 6,947 2026-07-18 10:52:07
61.19.7.0/24 6,925 2026-07-18 10:52:07
122.155.240.0/24 6,030 2026-07-18 11:01:25
174.35.3.0/24 6,013 2026-07-18 11:01:25
93.188.128.0/24 5,692 2026-07-18 11:01:25
93.188.129.0/24 5,686 2026-07-18 11:01:25
163.171.108.0/24 5,298 2026-07-18 10:52:38
163.171.105.0/24 5,255 2026-07-18 10:52:38
163.171.106.0/24 5,249 2026-07-18 10:52:38
163.171.120.0/24 5,220 2026-07-18 10:52:38
66.114.56.0/24 5,204 2026-07-18 10:52:16
163.171.121.0/24 5,202 2026-07-18 10:52:38
122.155.243.0/24 5,163 2026-07-18 10:52:38
122.155.236.0/24 5,111 2026-07-18 10:52:38
122.155.235.0/24 5,032 2026-07-18 10:52:38
122.155.229.0/24 5,024 2026-07-18 10:52:38
122.155.230.0/24 5,021 2026-07-18 10:52:38
202.47.253.0/24 5,019 2026-07-18 10:52:38
122.155.244.0/24 5,009 2026-07-18 10:52:38
122.155.232.0/24 5,004 2026-07-18 10:52:38
122.155.227.0/24 4,998 2026-07-18 10:52:38
122.155.225.0/24 4,997 2026-07-18 10:52:38
122.155.226.0/24 4,997 2026-07-18 10:52:38
174.35.53.0/24 4,995 2026-07-18 10:52:50
61.19.14.0/24 4,977 2026-07-18 10:52:07
122.155.224.0/24 4,976 2026-07-18 10:52:38
148.253.59.0/24 4,961 2026-07-18 10:52:38
122.155.244.0/22 4,936 2026-07-18 10:52:38
61.19.2.0/24 4,935 2026-07-18 10:52:07
61.19.1.0/24 4,919 2026-07-18 10:52:16
61.19.4.0/24 4,802 2026-07-18 10:52:07
61.19.0.0/24 4,785 2026-07-18 10:52:07
122.155.238.0/24 4,754 2026-07-18 10:52:50
122.155.237.0/24 4,754 2026-07-18 10:52:50
122.155.242.0/24 2,226 2026-07-18 11:01:25

Frequently Asked Questions

What is AS4651?

AS4651 is an Autonomous System Number assigned to National Telecom Public 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 AS4651 announce?

AS4651 announces 10.0K IPv4 addresses distributed across 29 routed CIDR prefixes. The network is registered in Thailand.

Who operates AS4651?

AS4651 is operated by National Telecom Public Company Limited. The organization is based in Thailand. You can view all IP ranges and related ASNs on the organization page.

What country is AS4651 registered in?

AS4651 is registered in Thailand. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-07-18 11:25:31 UTC
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