AS38566 NTTCTNET

NTTCT-AS-TH-AP - NTTCTNET · registered in Thailand

IPv4 addresses13,82410 prefixes · <0.001% of announced IPv4

Rank in Thailand#47largest network in TH by IPv4 space, of 460 · 0.16% of TH

Rank worldwide#7,670of 79,396 networks with IPv4

IPv61 x /32 (65,536 x /48)1 prefixes

CountryThailand465 ASNs registered there

Open AS38566 in ASN lookup Look up an IP in this network (45.116.216.1) All networks in Thailand

IPv4 prefixes

All 10 prefixes, in address order.

45.116.216.0/22
103.66.128.0/22
103.130.180.0/23
103.233.200.0/23
103.233.202.0/24
103.233.203.0/24
103.246.24.0/22
116.68.144.0/20
180.222.144.0/20
203.78.204.0/22

IPv6 prefixes

All 1 prefix.

2403:2800::/32

Similar-sized networks in Thailand

ASNNameIPv4 addresses

AS38888#44 MILCOM-AS-AP - Milcom Co., Ltd. Internet Service Provider Bangkok15,360

AS58955#45 BANGMODENTERPRISE-TH - Bangmod Enterprise Co., Ltd.14,592

AS23932#46 winth-as-ap - Internet Service Provider14,592

AS135566#48 NTPCL-AS-AP - National Telecom Public Company Limited12,544

AS215748#49 Westeros Westeros Communications (THAILAND) CO., LTD.11,776

AS9903#50 RIT-AS-AP - Rajamangala Institute of Technology11,520

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