AS139591 National Telecom Public Company Limited

NTPCL-AS-AP - National Telecom Public Company Limited · registered in Thailand

IPv4 addresses4,0962 prefixes · <0.001% of announced IPv4

Rank in Thailand#75largest network in TH by IPv4 space, of 460 · 0.05% of TH

Rank worldwide#15,556of 79,396 networks with IPv4

IPv61 x /481 prefixes

CountryThailand465 ASNs registered there

Open AS139591 in ASN lookup Look up an IP in this network (141.140.56.1) All networks in Thailand

IPv4 prefixes

All 2 prefixes, in address order.

141.140.56.0/21
209.15.120.0/21

IPv6 prefixes

All 1 prefix.

2001:c38:1::/48

Other ASNs named National Telecom Public Company Limited

9 other networks use the same organisation name; together with AS139591 they announce 577,791 IPv4 addresses.

ASNNameIPv4 addresses

AS9931NTPCL-AS-AP - National Telecom Public Company Limited TH279,039

AS131090NTPCL-AS-AP - National Telecom Public Company Limited TH222,208

AS9335NTPCL-AS-AP - National Telecom Public Company Limited TH45,056

AS135566NTPCL-AS-AP - National Telecom Public Company Limited TH12,544

AS4651NTPCL-AS-AP - National Telecom Public Company Limited TH9,984

AS18252NTPCL-AS-AP - National Telecom Public Company Limited TH4,096

AS134565NTPCL-AS-AP - National Telecom Public Company Limited TH256

AS131089NTPCL-AS-AP - National Telecom Public Company Limited TH256

AS152463NTPCL-AS-AP - National Telecom Public Company Limited TH256

Similar-sized networks in Thailand

ASNNameIPv4 addresses

AS149766#72 YUT-AS-AP - Y.U.T Corporate Company Limited4,096

AS45575#73 RMUTSV-AS-AP - Rajamangala University of Technology Srivijaya4,096

AS133919#74 RMUTP-AS-AP - University campus network, Rajamangala University of Technology Phra Nakhon4,096

AS18252#76 NTPCL-AS-AP - National Telecom Public Company Limited4,096

AS55490#77 TRUEMOVE-AS-AP - True Move Company Limited4,096

AS135141#78 RMUTL-AS-AP - Rajamangala University of Technology Lanna4,096

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