AS137977 ONE TO ONE CONTACTS PUBLIC COMPANY LIMITED descr: Bangkok

CSONETOONE-AS-AP - ONE TO ONE CONTACTS PUBLIC COMPANY LIMITED descr: Bangkok · registered in Thailand

IPv4 addresses5122 prefixes · <0.001% of announced IPv4

Rank in Thailand#316largest network in TH by IPv4 space, of 460 · <0.01% of TH

Rank worldwide#53,891of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryThailand465 ASNs registered there

Open AS137977 in ASN lookup Look up an IP in this network (119.110.200.1) All networks in Thailand

IPv4 prefixes

All 2 prefixes, in address order.

119.110.200.0/24
147.50.2.0/24

Similar-sized networks in Thailand

ASNNameIPv4 addresses

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

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AS137919#315 BTS-AS-AP - BTS Building, 1000 Phahonyothin Rd., Chomphon, Chatuchak Bangkok 10900 Thailand512

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

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

AS138422#319 ITC-AS-AP - Unit 3910 Tower 2, 39th Fl. Empire Tower Building, 1 Sathorn Sathorn Rd. Sathorn Bangkok 10120512

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