AS137919 BTS Building, 1000 Phahonyothin Rd., Chomphon, Chatuchak Bangkok 10900 Thailand

BTS-AS-AP - BTS Building, 1000 Phahonyothin Rd., Chomphon, Chatuchak Bangkok 10900 Thailand · registered in Thailand

IPv4 addresses5122 prefixes · <0.001% of announced IPv4

Rank in Thailand#315largest network in TH by IPv4 space, of 460 · <0.01% of TH

Rank worldwide#53,883of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryThailand465 ASNs registered there

Open AS137919 in ASN lookup Look up an IP in this network (110.49.38.1) All networks in Thailand

IPv4 prefixes

All 2 prefixes, in address order.

110.49.38.0/24
147.50.0.0/24

Similar-sized networks in Thailand

ASNNameIPv4 addresses

AS137489#312 PI-SEC-AS-AP - Pi Securities Public Company Limited512

AS137545#313 KPN-AWARD-AS-AP - KPN AWARD512

AS137885#314 CP-NOMURA-TH - Capital Nomura Securities PLC512

AS137977#316 CSONETOONE-AS-AP - ONE TO ONE CONTACTS PUBLIC COMPANY LIMITED descr: Bangkok512

AS138003#317 RPCA-AS-AP - Royal Police Cadet Academy512

AS138204#318 SURF-AS-AP - Sophon Broadband Networks co.,ltd512

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