AS17823 T.H.NIC Co.,Ltd.

THNIC-ASN-AP - T.H.NIC Co.,Ltd. · registered in Thailand

IPv4 addresses5122 prefixes · <0.001% of announced IPv4

Rank in Thailand#236largest network in TH by IPv4 space, of 460 · <0.01% of TH

Rank worldwide#48,245of 79,396 networks with IPv4

IPv61 x /481 prefixes

CountryThailand465 ASNs registered there

Open AS17823 in ASN lookup Look up an IP in this network (103.155.66.1) All networks in Thailand

IPv4 prefixes

All 2 prefixes, in address order.

103.155.66.0/24
202.28.1.0/24

IPv6 prefixes

All 1 prefix.

2001:df4:b880::/48

Other ASNs named T.H.NIC Co.,Ltd.

1 other network uses the same organisation name; together with AS17823 they announce 768 IPv4 addresses.

ASNNameIPv4 addresses

AS147300THNICCOLTD-AS-AP - T.H.NIC Co.,Ltd. TH256

Similar-sized networks in Thailand

ASNNameIPv4 addresses

AS63972#233 SOCIAL-TH - 88/28 Moo 4 Tiwanont Road Nonta-Buri Province 11000512

AS137198#234 PNRU-AS-AP - Phranakorn Rajabhat University512

AS150787#235 CGCL-AS - CHANNEL G COMPANY LIMITED512

AS23883#237 MOVACI-CDC-AS-AP - Movaci Co., Ltd512

AS55938#238 EXAT-NET-TH - Expressway Authority of Thailand512

AS133761#239 FORESTTH-AS-AP - Mr. Naphat512

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