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AS4651
AS4651 National Telecom Public Company Limited
NTPCL-AS-AP - National Telecom Public Company Limited · registered in Thailand
IPv4 addresses 9,984 28 prefixes · <0.001% of announced IPv4
Rank in Thailand #54 largest network in TH by IPv4 space, of 460 · 0.12% of TH
Rank worldwide #9,134 of 79,396 networks with IPv4
IPv6 1 x /48 1 prefixes
Country Thailand 465 ASNs registered there
IPv4 prefixes
All 28 prefixes, in address order.
61.19.0.0/23 61.19.2.0/24 61.19.4.0/24 61.19.7.0/24 61.19.9.0/24 61.19.14.0/24 66.114.56.0/24 93.188.128.0/23 122.155.224.0/22 122.155.229.0/24 122.155.230.0/24 122.155.232.0/24 122.155.235.0/24 122.155.236.0/22 122.155.240.0/24 122.155.242.0/23 122.155.244.0/24 122.155.245.0/24 122.155.246.0/23 148.253.59.0/24 163.171.105.0/24 163.171.106.0/24 163.171.108.0/24 163.171.120.0/23 174.35.3.0/24 174.35.53.0/24 185.27.231.0/24 202.47.253.0/24
IPv6 prefixes
All 1 prefix.
Other ASNs named National Telecom Public Company Limited
9 other networks use the same organisation name; together with AS4651 they announce 577,791 IPv4 addresses.
ASN Name IPv4 addresses
AS9931 NTPCL-AS-AP - National Telecom Public Company Limited TH 279,039 AS131090 NTPCL-AS-AP - National Telecom Public Company Limited TH 222,208 AS9335 NTPCL-AS-AP - National Telecom Public Company Limited TH 45,056 AS135566 NTPCL-AS-AP - National Telecom Public Company Limited TH 12,544 AS139591 NTPCL-AS-AP - National Telecom Public Company Limited TH 4,096 AS18252 NTPCL-AS-AP - National Telecom Public Company Limited TH 4,096 AS134565 NTPCL-AS-AP - National Telecom Public Company Limited TH 256 AS131089 NTPCL-AS-AP - National Telecom Public Company Limited TH 256 AS152463 NTPCL-AS-AP - National Telecom Public Company Limited TH 256
Similar-sized networks in Thailand
ASN Name IPv4 addresses
AS56067 #51 METRABYTE-TH - 453 Ladplacout Jorakhaebua10,240 AS55760 #52 MUT-AS-AP - Mahanakorn University Of Technology10,240 AS37992 #53 THAMMASAT-BORDER-AS - Thammasat University in thailand9,984 AS3836 #55 THAISARN-TH-AS-AP - Thai Social/Scientific, Academic and Research Network8,448 AS134166 #56 TOT-IDC-AS-AP - Internet Data Center Service8,448 AS7588 #57 PUBNET-TH-AS - Thailand Public backbone Network8,448
IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources