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AS135566
AS135566 National Telecom Public Company Limited
NTPCL-AS-AP - National Telecom Public Company Limited · registered in Thailand
IPv4 addresses 12,544 15 prefixes · <0.001% of announced IPv4
Rank in Thailand #48 largest network in TH by IPv4 space, of 460 · 0.15% of TH
Rank worldwide #8,049 of 79,396 networks with IPv4
IPv6 14 x /48 6 prefixes
Country Thailand 465 ASNs registered there
IPv4 prefixes
All 15 prefixes, in address order.
122.155.26.0/23 141.140.32.0/23 141.140.34.0/24 141.140.39.0/24 164.115.48.0/24 202.139.197.0/24 202.139.198.0/23 202.139.200.0/23 202.139.204.0/22 202.139.208.0/22 202.139.212.0/23 202.139.215.0/24 202.139.216.0/23 209.15.96.0/20 209.15.112.0/21
IPv6 prefixes
All 6 prefixes.
2001:c38:90a0::/47 2001:c38:90a2::/48 2001:c38:90a5::/48 2001:c38:90a6::/47 2001:c38:90a8::/46 2001:c38:90ac::/46
Other ASNs named National Telecom Public Company Limited
9 other networks use the same organisation name; together with AS135566 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 AS4651 NTPCL-AS-AP - National Telecom Public Company Limited TH 9,984 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
AS58955 #45 BANGMODENTERPRISE-TH - Bangmod Enterprise Co., Ltd.14,592 AS23932 #46 winth-as-ap - Internet Service Provider14,592 AS38566 #47 NTTCT-AS-TH-AP - NTTCTNET13,824 AS215748 #49 Westeros Westeros Communications (THAILAND) CO., LTD.11,776 AS9903 #50 RIT-AS-AP - Rajamangala Institute of Technology11,520 AS56067 #51 METRABYTE-TH - 453 Ladplacout Jorakhaebua10,240
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