$ query “AS135905” --type=asn → 1 result(s)

AS135905 · VNPT-AS-VN

VIETNAM POSTS AND TELECOMMUNICATIONS GROUP

AS135905 is run by VIETNAM POSTS AND TELECOMMUNICATIONS GROUP and is a mid-size transit provider, registered in Vietnam. The system announces a solid 135 168 IPv4 addresses, including a /16, and supports IPv6. Its primary geographic footprint is in Vietnam, with additional presence in Colombia. This AS has recently updated its prefix announcements.

  • Top 5% — Top 5% of all autonomous systems by reach and degree
  • #7 in Vietnam — Top 10 by reach within country

Basic Information

Country
🇻🇳 Vietnam
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
August 10, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
334 / 108
IPv6 Prefixes (raw / aggregated)
50 / 37
IPv4 Addresses
135 168
Largest IPv4 Prefix
/16 (65 536 addresses)
Largest IPv6 Prefix
/40
Geolocated Countries
🇻🇳 Vietnam (169 472 IPs), 🇨🇴 Colombia (1 280 IPs)
Prefix Changed
August 07, 2026

Reputation

Reputation
Good — 85 flagged IPs out of 135 168 total (0.06%)
Open Proxies
2 known open proxies in this network

Connectivity Summary

Upstream Providers
1 upstream providing transit
Peers
2 networks exchanging traffic without transit
Downstream Customers
44 downstreams buying transit
Unclassified
2 unclassified BGP neighbors
Degree
49 unique BGP neighbors
Reach
5 107 networks in customer cone

Upstream Providers (1)

Prefix Lists

IPv4 Prefixes (334 total)

  • 14.225.0.0/16 (65 536 addresses (/16 prefix))
  • 123.31.32.0/20 (4 096 addresses (/20 prefix))
  • 103.153.72.0/21 (2 048 addresses (/21 prefix))
  • 103.133.104.0/21 (2 048 addresses (/21 prefix))
  • 103.75.184.0/22 (1 024 addresses (/22 prefix))
  • 103.89.88.0/22 (1 024 addresses (/22 prefix))
  • 123.31.28.0/22 (1 024 addresses (/22 prefix))
  • 103.48.80.0/22 (1 024 addresses (/22 prefix))
  • 123.30.156.0/22 (1 024 addresses (/22 prefix))
  • 103.252.72.0/22 (1 024 addresses (/22 prefix))
  • 103.56.160.0/22 (1 024 addresses (/22 prefix))
  • 103.57.220.0/22 (1 024 addresses (/22 prefix))
  • 103.226.248.0/22 (1 024 addresses (/22 prefix))
  • 103.216.116.0/22 (1 024 addresses (/22 prefix))
  • 103.141.136.0/22 (1 024 addresses (/22 prefix))
  • 103.82.20.0/22 (1 024 addresses (/22 prefix))
  • 103.82.24.0/22 (1 024 addresses (/22 prefix))
  • 103.9.204.0/22 (1 024 addresses (/22 prefix))
  • 103.207.36.0/22 (1 024 addresses (/22 prefix))
  • 103.200.20.0/22 (1 024 addresses (/22 prefix))
  • 103.90.224.0/22 (1 024 addresses (/22 prefix))
  • 103.99.0.0/22 (1 024 addresses (/22 prefix))
  • 103.109.40.0/22 (1 024 addresses (/22 prefix))
  • 103.114.104.0/22 (1 024 addresses (/22 prefix))
  • 103.125.188.0/22 (1 024 addresses (/22 prefix))
  • 103.125.192.0/22 (1 024 addresses (/22 prefix))
  • 45.124.84.0/22 (1 024 addresses (/22 prefix))
  • 180.214.236.0/22 (1 024 addresses (/22 prefix))
  • 202.92.4.0/22 (1 024 addresses (/22 prefix))
  • 103.145.252.0/22 (1 024 addresses (/22 prefix))
  • 103.159.52.0/23 (512 addresses (/23 prefix))
  • 144.79.110.0/23 (512 addresses (/23 prefix))
  • 103.139.44.0/23 (512 addresses (/23 prefix))
  • 103.145.0.0/23 (512 addresses (/23 prefix))
  • 103.145.4.0/23 (512 addresses (/23 prefix))
  • 103.138.108.0/23 (512 addresses (/23 prefix))
  • 103.147.34.0/23 (512 addresses (/23 prefix))
  • 103.147.184.0/23 (512 addresses (/23 prefix))
  • 103.149.12.0/23 (512 addresses (/23 prefix))
  • 103.149.98.0/23 (512 addresses (/23 prefix))
  • 103.149.250.0/23 (512 addresses (/23 prefix))
  • 165.101.116.0/23 (512 addresses (/23 prefix))
  • 103.151.122.0/23 (512 addresses (/23 prefix))
  • 103.151.124.0/23 (512 addresses (/23 prefix))
  • 103.151.240.0/23 (512 addresses (/23 prefix))
  • 103.151.244.0/23 (512 addresses (/23 prefix))
  • 103.152.50.0/23 (512 addresses (/23 prefix))
  • 103.138.88.0/23 (512 addresses (/23 prefix))
  • 103.153.254.0/23 (512 addresses (/23 prefix))
  • 103.154.62.0/23 (512 addresses (/23 prefix))

IPv6 Prefixes (50 total)

  • 2001:ee0:300::/40
  • 2001:df7:c600::/48
  • 2001:df3:900::/48
  • 2001:df3:cbc0::/48
  • 2001:df3:d8c0::/48
  • 2001:df3:db40::/48
  • 2001:df4:340::/48
  • 2001:df4:a40::/48
  • 2001:df4:2d00::/48
  • 2001:df4:7340::/48
  • 2001:df4:80c0::/48
  • 2001:df4:cf40::/48
  • 2001:df5:ec0::/48
  • 2001:df5:3180::/48
  • 2001:df5:e3c0::/48
  • 2001:df6:6f40::/48
  • 2001:df6:80c0::/48
  • 2001:df1:6140::/48
  • 2001:df6:a840::/48
  • 2403:6a40:1::/48
  • 2001:df2:ca00::/48
  • 2400:6540::/48
  • 2400:9ea0::/48
  • 2400:c4a0::/48
  • 2400:e920::/48
  • 2401:2320::/48
  • 2401:82e0::/48
  • 2402:6440:1::/48
  • 2402:6440:2::/48
  • 2001:df7:ce00::/48
  • 2404:c6c0::/48
  • 2405:1040::/48
  • 2405:f540::/48
  • 2405:f980::/48
  • 2406:f3c0::/48
  • 2407:33c0::/48
  • 2407:c1c0::/48