$ query “AS45899” --type=asn → 1 result(s)

AS45899 · VNPT-AS-VN

VNPT Corp

AS45899 belongs to VNPT Corp and is a major transit provider, registered in Vietnam. The system announces an impressive 7.7 million IPv4 addresses, including a /11, and supports IPv6. Most of its address space is geolocated to Vietnam, with additional presence in the United States. This AS has recently updated its prefix announcements.

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

Basic Information

Country
🇻🇳 Vietnam
Category
Internet Service Provider
Network Role
Major Transit
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Last Changed
March 04, 2026
Last Seen
October 21, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
3 417 / 100
IPv6 Prefixes (raw / aggregated)
333 / 3
IPv4 Addresses
7 653 120
Largest IPv4 Prefix
/11 (2 097 152 addresses)
Largest IPv6 Prefix
/31
Geolocated Countries
🇻🇳 Vietnam (7 648 768 IPs), 🇺🇸 United States (4 352 IPs)
Prefix Changed
October 22, 2026

Reputation

Reputation
Good — 279 flagged IPs out of 7 653 120 total (0.00%)
Open Proxies
14 known open proxies in this network

Connectivity Summary

Upstream Providers
9 upstreams providing transit
Peers
345 networks exchanging traffic without transit
Downstream Customers
125 downstreams buying transit
Unclassified
12 unclassified BGP neighbors
Degree
491 unique BGP neighbors
Reach
264 networks in customer cone

Upstream Providers (9)

Prefix Lists

IPv4 Prefixes (3 417 total)

  • 14.160.0.0/11 (2 097 152 addresses (/11 prefix))
  • 113.160.0.0/11 (2 097 152 addresses (/11 prefix))
  • 14.240.0.0/12 (1 048 576 addresses (/12 prefix))
  • 14.232.0.0/13 (524 288 addresses (/13 prefix))
  • 123.16.0.0/13 (524 288 addresses (/13 prefix))
  • 14.228.0.0/14 (262 144 addresses (/14 prefix))
  • 123.24.0.0/14 (262 144 addresses (/14 prefix))
  • 222.252.0.0/14 (262 144 addresses (/14 prefix))
  • 14.226.0.0/15 (131 072 addresses (/15 prefix))
  • 123.28.0.0/15 (131 072 addresses (/15 prefix))
  • 14.224.0.0/16 (65 536 addresses (/16 prefix))
  • 203.162.0.0/16 (65 536 addresses (/16 prefix))
  • 123.31.128.0/17 (32 768 addresses (/17 prefix))
  • 203.210.128.0/17 (32 768 addresses (/17 prefix))
  • 123.30.0.0/18 (16 384 addresses (/18 prefix))
  • 123.31.64.0/18 (16 384 addresses (/18 prefix))
  • 221.132.0.0/19 (8 192 addresses (/19 prefix))
  • 123.30.176.0/20 (4 096 addresses (/20 prefix))
  • 123.30.208.0/20 (4 096 addresses (/20 prefix))
  • 123.31.48.0/20 (4 096 addresses (/20 prefix))
  • 23.53.208.0/21 (2 048 addresses (/21 prefix))
  • 123.30.80.0/21 (2 048 addresses (/21 prefix))
  • 123.30.96.0/21 (2 048 addresses (/21 prefix))
  • 123.30.112.0/21 (2 048 addresses (/21 prefix))
  • 123.30.168.0/21 (2 048 addresses (/21 prefix))
  • 123.30.192.0/21 (2 048 addresses (/21 prefix))
  • 123.30.232.0/21 (2 048 addresses (/21 prefix))
  • 123.31.0.0/21 (2 048 addresses (/21 prefix))
  • 123.31.16.0/21 (2 048 addresses (/21 prefix))
  • 221.132.32.0/21 (2 048 addresses (/21 prefix))
  • 23.48.52.0/22 (1 024 addresses (/22 prefix))
  • 23.48.56.0/22 (1 024 addresses (/22 prefix))
  • 45.124.92.0/22 (1 024 addresses (/22 prefix))
  • 45.254.32.0/22 (1 024 addresses (/22 prefix))
  • 103.9.76.0/22 (1 024 addresses (/22 prefix))
  • 103.42.56.0/22 (1 024 addresses (/22 prefix))
  • 103.56.156.0/22 (1 024 addresses (/22 prefix))
  • 103.68.252.0/22 (1 024 addresses (/22 prefix))
  • 103.107.180.0/22 (1 024 addresses (/22 prefix))
  • 103.131.68.0/22 (1 024 addresses (/22 prefix))
  • 103.237.96.0/22 (1 024 addresses (/22 prefix))
  • 123.30.64.0/22 (1 024 addresses (/22 prefix))
  • 123.30.76.0/22 (1 024 addresses (/22 prefix))
  • 123.30.88.0/22 (1 024 addresses (/22 prefix))
  • 123.30.120.0/22 (1 024 addresses (/22 prefix))
  • 123.30.144.0/22 (1 024 addresses (/22 prefix))
  • 123.30.204.0/22 (1 024 addresses (/22 prefix))
  • 123.30.224.0/22 (1 024 addresses (/22 prefix))
  • 146.196.64.0/22 (1 024 addresses (/22 prefix))
  • 221.132.52.0/22 (1 024 addresses (/22 prefix))

IPv6 Prefixes (333 total)

  • 2001:ee0::/31
  • 2001:ee2::/32
  • 2001:df2:ce00::/48