$ query “AS9931” --type=asn → 1 result(s)

AS9931 · NTPCL-AS-AP

National Telecom Public Company Limited

AS9931 is run by National Telecom Public Company Limited and is a mid-size transit provider, based in Thailand. The system announces a solid 290 048 IPv4 addresses, including a /16, and supports IPv6. Its primary geographic footprint is in Thailand, with additional presence in Myanmar (Burma) and Laos, and a smaller footprint in another country. This AS's prefix announcements have been recently modified.

  • Top 5% — Top 5% of all autonomous systems by reach and degree

Basic Information

Country
🇹🇭 Thailand
Category
Internet Service Provider
Network Role
Mid-size Transit
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Last Changed
March 04, 2026
Last Seen
April 29, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
616 / 37
IPv6 Prefixes (raw / aggregated)
165 / 4
IPv4 Addresses
290 048
Largest IPv4 Prefix
/16 (65 536 addresses)
Largest IPv6 Prefix
/36
Geolocated Countries
🇹🇭 Thailand (355 840 IPs), 🇲🇲 Myanmar (Burma) (1 120 IPs), 🇱🇦 Laos (512 IPs) and 1 more
Prefix Changed
April 25, 2026

Reputation

Reputation
Good — 14 flagged IPs out of 290 048 total (0.00%)

Connectivity Summary

Upstream Providers
2 upstreams providing transit
Peers
5 networks exchanging traffic without transit
Downstream Customers
44 downstreams buying transit
Unclassified
7 unclassified BGP neighbors
Degree
58 unique BGP neighbors
Reach
51 networks in customer cone

Upstream Providers (2)

Prefix Lists

IPv4 Prefixes (616 total)

  • 122.154.0.0/16 (65 536 addresses (/16 prefix))
  • 114.131.0.0/16 (65 536 addresses (/16 prefix))
  • 110.78.0.0/17 (32 768 addresses (/17 prefix))
  • 61.7.192.0/18 (16 384 addresses (/18 prefix))
  • 61.19.64.0/18 (16 384 addresses (/18 prefix))
  • 202.129.0.0/19 (8 192 addresses (/19 prefix))
  • 122.155.192.0/19 (8 192 addresses (/19 prefix))
  • 122.155.64.0/19 (8 192 addresses (/19 prefix))
  • 61.19.160.0/19 (8 192 addresses (/19 prefix))
  • 61.19.192.0/19 (8 192 addresses (/19 prefix))
  • 202.47.224.0/20 (4 096 addresses (/20 prefix))
  • 202.129.32.0/20 (4 096 addresses (/20 prefix))
  • 61.19.32.0/20 (4 096 addresses (/20 prefix))
  • 61.19.224.0/20 (4 096 addresses (/20 prefix))
  • 61.19.144.0/20 (4 096 addresses (/20 prefix))
  • 122.155.32.0/20 (4 096 addresses (/20 prefix))
  • 61.19.16.0/20 (4 096 addresses (/20 prefix))
  • 122.155.128.0/20 (4 096 addresses (/20 prefix))
  • 122.155.56.0/21 (2 048 addresses (/21 prefix))
  • 202.47.240.0/21 (2 048 addresses (/21 prefix))
  • 122.155.104.0/21 (2 048 addresses (/21 prefix))
  • 122.155.112.0/21 (2 048 addresses (/21 prefix))
  • 202.129.48.0/21 (2 048 addresses (/21 prefix))
  • 61.19.48.0/21 (2 048 addresses (/21 prefix))
  • 61.19.56.0/22 (1 024 addresses (/22 prefix))
  • 122.155.96.0/22 (1 024 addresses (/22 prefix))
  • 122.155.48.0/22 (1 024 addresses (/22 prefix))
  • 202.129.56.0/22 (1 024 addresses (/22 prefix))
  • 122.155.52.0/23 (512 addresses (/23 prefix))
  • 202.47.248.0/23 (512 addresses (/23 prefix))
  • 61.19.254.0/23 (512 addresses (/23 prefix))
  • 202.129.60.0/23 (512 addresses (/23 prefix))
  • 202.47.250.0/24 (256 addresses (/24 prefix))
  • 202.6.107.0/24 (256 addresses (/24 prefix))
  • 122.155.54.0/24 (256 addresses (/24 prefix))
  • 61.19.253.0/24 (256 addresses (/24 prefix))
  • 202.129.63.0/24 (256 addresses (/24 prefix))

IPv6 Prefixes (165 total)

  • 2001:c38:4000::/36
  • 2001:c38:9000::/36
  • 2001:c39:9000::/36
  • 2001:c38:920::/48