AS9931 National Telecom Public Company Limited

NTPCL-AS-AP - National Telecom Public Company Limited · registered in Thailand

IPv4 addresses279,039251 prefixes · 0.009% of announced IPv4

Rank in Thailand#6largest network in TH by IPv4 space, of 460 · 3.27% of TH

Rank worldwide#866of 79,396 networks with IPv4

IPv612,270 x /48190 prefixes

CountryThailand465 ASNs registered there

Open AS9931 in ASN lookup Look up an IP in this network (45.157.88.1) All networks in Thailand

IPv4 prefixes

All 251 prefixes, in address order.

45.157.88.0/22
61.7.192.0/23
61.7.195.0/24
61.7.196.0/22
61.7.200.0/21
61.7.208.0/23
61.7.210.0/24
61.7.211.0/24
61.7.212.0/22
61.7.216.0/21
61.7.224.0/23
61.7.226.0/23
61.7.228.0/22
61.7.232.0/21
61.7.240.0/20
61.19.17.0/24
61.19.18.0/23
61.19.20.0/22
61.19.24.0/21
61.19.32.0/22
61.19.36.0/23
61.19.38.0/24
61.19.39.0/24
61.19.40.0/21
61.19.48.0/21
61.19.56.0/22
61.19.64.0/20
61.19.80.0/24
61.19.81.0/24
61.19.82.0/23
61.19.84.0/22
61.19.88.0/21
61.19.96.0/23
61.19.98.0/24
61.19.99.0/24
61.19.100.0/22
61.19.104.0/21
61.19.112.0/20
61.19.144.0/22
61.19.148.0/24
61.19.149.0/24
61.19.150.0/23
61.19.152.0/24
61.19.153.0/24
61.19.154.0/23
61.19.156.0/23
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61.19.160.0/20
61.19.176.0/21
61.19.184.0/21
61.19.192.0/21
61.19.200.0/24
61.19.201.0/24
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61.19.208.0/21
61.19.216.0/22
61.19.220.0/23
61.19.223.0/24
61.19.224.0/24
61.19.226.0/23
61.19.228.0/22
61.19.232.0/21
61.19.253.0/24
61.19.254.0/23
110.78.0.0/22
110.78.4.0/23
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110.78.9.0/24
110.78.10.0/24
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110.78.12.0/22
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110.78.48.0/24
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110.78.88.0/24
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110.78.96.0/20
110.78.112.0/21
110.78.120.0/21
114.131.0.0/20
114.131.16.0/24
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114.131.32.0/19
114.131.64.0/18
114.131.128.0/23
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114.131.133.0/24
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114.131.136.0/21
114.131.144.0/20
114.131.160.0/24
114.131.161.0/24
114.131.162.0/23
114.131.164.0/22
114.131.168.0/21
114.131.176.0/20
114.131.192.0/19
114.131.224.0/24
114.131.225.0/24
114.131.226.0/23
114.131.228.0/22
114.131.232.0/21
114.131.240.0/20
122.154.0.0/21
122.154.8.0/22
122.154.12.0/24
122.154.13.0/24
122.154.14.0/23
122.154.16.0/20
122.154.32.0/20
122.154.48.0/23
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122.154.120.0/21
122.154.128.0/22
122.154.132.0/24
122.154.134.0/23
122.154.136.0/21
122.154.144.0/21
122.154.152.0/24
122.154.154.0/23
122.154.156.0/22
122.154.160.0/24
122.154.161.0/24
122.154.162.0/23
122.154.164.0/22
122.154.168.0/21
122.154.176.0/20
122.154.192.0/19
122.154.224.0/20
122.154.240.0/21
122.154.248.0/21
122.155.32.0/20
122.155.48.0/22
122.155.52.0/23
122.155.54.0/24
122.155.56.0/21
122.155.65.0/24
122.155.66.0/23
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122.155.76.0/22
122.155.80.0/24
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122.155.88.0/21
122.155.96.0/22
122.155.104.0/23
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122.155.112.0/21
122.155.128.0/23
122.155.130.0/23
122.155.132.0/23
122.155.134.0/24
122.155.136.0/22
122.155.140.0/26
122.155.140.64/29
122.155.140.72/30
122.155.140.76/31
122.155.140.79/32
122.155.140.80/28
122.155.140.96/27
122.155.140.128/25
122.155.141.0/24
122.155.142.0/24
122.155.193.0/24
122.155.213.0/24
122.155.214.0/24
122.155.217.0/24
122.155.218.0/23
202.6.107.0/24
202.47.224.0/21
202.47.232.0/22
202.47.236.0/22
202.47.240.0/22
202.47.244.0/23
202.47.246.0/23
202.47.248.0/23
202.47.250.0/24
202.129.0.0/23
202.129.3.0/24
202.129.4.0/22
202.129.8.0/24
202.129.9.0/24
202.129.10.0/23
202.129.12.0/22
202.129.16.0/21
202.129.24.0/22
202.129.28.0/23
202.129.30.0/23
202.129.32.0/20
202.129.48.0/23
202.129.51.0/24
202.129.52.0/24
202.129.53.0/24
202.129.54.0/24
202.129.55.0/24
202.129.56.0/22
202.129.60.0/23
202.129.62.0/24

IPv6 prefixes

All 190 prefixes.

2001:c38:920::/48
2001:c38:4000::/36
2001:c38:9000::/45
2001:c38:9008::/45
2001:c38:9010::/44
2001:c38:9020::/45
2001:c38:9028::/47
2001:c38:902a::/48
2001:c38:902b::/48
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2001:c38:906a::/47
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2001:c38:9144::/48
2001:c38:9145::/48
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2001:c38:9148::/45
2001:c38:9150::/48
2001:c38:9152::/47
2001:c38:9154::/46
2001:c38:9158::/45
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2001:c38:9200::/45
2001:c38:9208::/48
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2001:c38:9700::/48
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2001:c38:9717::/48
2001:c38:9719::/48
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2001:c38:9780::/41
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2001:c38:9900::/43
2001:c38:9920::/44
2001:c38:9930::/47
2001:c38:9932::/47
2001:c38:9934::/46
2001:c38:9938::/45
2001:c38:9940::/42
2001:c38:9980::/41
2001:c38:9a00::/39
2001:c38:9c00::/38
2001:c39:9000::/37
2001:c39:9800::/40
2001:c39:9900::/43
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2001:c39:9940::/42
2001:c39:9980::/41
2001:c39:9a00::/39
2001:c39:9c00::/38

Other ASNs named National Telecom Public Company Limited

9 other networks use the same organisation name; together with AS9931 they announce 577,791 IPv4 addresses.

ASNNameIPv4 addresses

AS131090NTPCL-AS-AP - National Telecom Public Company Limited TH222,208

AS9335NTPCL-AS-AP - National Telecom Public Company Limited TH45,056

AS135566NTPCL-AS-AP - National Telecom Public Company Limited TH12,544

AS4651NTPCL-AS-AP - National Telecom Public Company Limited TH9,984

AS139591NTPCL-AS-AP - National Telecom Public Company Limited TH4,096

AS18252NTPCL-AS-AP - National Telecom Public Company Limited TH4,096

AS134565NTPCL-AS-AP - National Telecom Public Company Limited TH256

AS131089NTPCL-AS-AP - National Telecom Public Company Limited TH256

AS152463NTPCL-AS-AP - National Telecom Public Company Limited TH256

Similar-sized networks in Thailand

ASNNameIPv4 addresses

AS45758#3 TTBP-AS-AP - Triple T Broadband Public Company Limited707,328

AS7470#4 TRUEINTERNET-AS-AP - TRUE INTERNET Co.,Ltd.664,064

AS133481#5 AIS-Fibre-AS-AP - AIS Fibre353,792

AS7693#7 COMNET-TH - KSC Commercial Internet Co. Ltd.243,968

AS138524#8 TTBP-AS-AP - Triple T Broadband Public Company Limited231,424

AS4750#9 CSLOXINFO-AS-AP - CS LOXINFO PUBLIC COMPANY LIMITED227,072

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