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Autonomous System

AS135905

VIETNAM POSTS AND TELECOMMUNICATIONS GROUP

Announced IPs
134,912
CIDR prefixes
109
ASN
AS135905

Reputation · trust score

A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.

70/100
Moderate
How this score is built

Experimental · trust-vectors model v1.3.0 — a transparent heuristic, not a definitive verdict. How it works →

Network profile

Source: PeeringDB →
Geographic scope Not Disclosed
Traffic ratio Not Disclosed
Peering policy Open

Web3 footprint

AS135905 hosts 1 observed decentralized-network node across 1 network. It’s a neutral signal — it does not affect the reputation score. See the full web3 node map.

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
14.225.0.0/16 65.5K
76.8%
VIETNAM POSTS AND TELECOMMUNICATIONS GROUP VN Hanoi Hanoi
123.31.32.0/20 4.1K
93.9%
VIETNAM POSTS AND TELECOMMUNICATIONS GROUP VN Hanoi Hanoi
103.133.104.0/21 2.0K
0.0%
VIETNAM POSTS AND TELECOMMUNICATIONS GROUP VN — —
103.153.72.0/21 2.0K
0.5%
VIETNAM POSTS AND TELECOMMUNICATIONS GROUP VN — —
103.9.204.0/22 1.0K
0.0%
VIETNAM POSTS AND TELECOMMUNICATIONS GROUP VN — —
103.48.80.0/22 1.0K
96.3%
VIETNAM POSTS AND TELECOMMUNICATIONS GROUP VN — —
103.56.160.0/22 1.0K
1.5%
VIETNAM POSTS AND TELECOMMUNICATIONS GROUP VN — —
103.57.220.0/22 1.0K
3.2%
VIETNAM POSTS AND TELECOMMUNICATIONS GROUP VN — —
103.75.184.0/22 1.0K
2.2%
VIETNAM POSTS AND TELECOMMUNICATIONS GROUP VN — —
103.82.20.0/22 1.0K
81.0%
VIETNAM POSTS AND TELECOMMUNICATIONS GROUP VN — —
103.82.24.0/22 1.0K
93.3%
VIETNAM POSTS AND TELECOMMUNICATIONS GROUP VN — —
103.82.192.0/22 1.0K
98.3%
VIETNAM POSTS AND TELECOMMUNICATIONS GROUP VN — —
103.89.88.0/22 1.0K
0.0%
VIETNAM POSTS AND TELECOMMUNICATIONS GROUP VN — —
103.90.224.0/22 1.0K
8.6%
VIETNAM POSTS AND TELECOMMUNICATIONS GROUP VN — —
103.99.0.0/22 1.0K
0.0%
VIETNAM POSTS AND TELECOMMUNICATIONS GROUP VN — —
103.109.40.0/22 1.0K
0.8%
VIETNAM POSTS AND TELECOMMUNICATIONS GROUP VN — —
103.114.104.0/22 1.0K
0.0%
VIETNAM POSTS AND TELECOMMUNICATIONS GROUP VN — —
103.125.188.0/22 1.0K
0.0%
VIETNAM POSTS AND TELECOMMUNICATIONS GROUP VN — —
103.125.192.0/22 1.0K
0.0%
VIETNAM POSTS AND TELECOMMUNICATIONS GROUP VN — —
103.141.136.0/22 1.0K
0.0%
VIETNAM POSTS AND TELECOMMUNICATIONS GROUP VN — —
103.145.252.0/22 1.0K
0.0%
VIETNAM POSTS AND TELECOMMUNICATIONS GROUP VN — —
103.200.20.0/22 1.0K
7.1%
VIETNAM POSTS AND TELECOMMUNICATIONS GROUP VN — —
103.207.36.0/22 1.0K
0.0%
VIETNAM POSTS AND TELECOMMUNICATIONS GROUP VN — —
103.216.116.0/22 1.0K
2.0%
VIETNAM POSTS AND TELECOMMUNICATIONS GROUP VN — —
103.226.248.0/22 1.0K
0.1%
VIETNAM POSTS AND TELECOMMUNICATIONS GROUP VN — —
103.252.72.0/22 1.0K
0.3%
VIETNAM POSTS AND TELECOMMUNICATIONS GROUP VN — —
123.30.156.0/22 1.0K
100.0%
VIETNAM POSTS AND TELECOMMUNICATIONS GROUP VN — —
123.31.28.0/22 1.0K
100.0%
VIETNAM POSTS AND TELECOMMUNICATIONS GROUP VN — —
180.214.236.0/22 1.0K
0.0%
VIETNAM POSTS AND TELECOMMUNICATIONS GROUP VN — —
202.92.4.0/22 1.0K
10.1%
VIETNAM POSTS AND TELECOMMUNICATIONS GROUP VN — —
45.124.86.0/23 512
95.3%
VIETNAM POSTS AND TELECOMMUNICATIONS GROUP VN — —
103.11.198.0/23 512
0.2%
VIETNAM POSTS AND TELECOMMUNICATIONS GROUP VN — —
103.19.28.0/23 512
41.2%
VIETNAM POSTS AND TELECOMMUNICATIONS GROUP VN — —
103.48.188.0/23 512
0.0%
VIETNAM POSTS AND TELECOMMUNICATIONS GROUP VN — —
103.61.122.0/23 512
0.8%
VIETNAM POSTS AND TELECOMMUNICATIONS GROUP VN — —
103.69.194.0/23 512
6.4%
VIETNAM POSTS AND TELECOMMUNICATIONS GROUP VN — —
103.137.184.0/23 512
0.0%
VIETNAM POSTS AND TELECOMMUNICATIONS GROUP VN — —
103.138.88.0/23 512
24.0%
VIETNAM POSTS AND TELECOMMUNICATIONS GROUP VN — —
103.138.108.0/23 512
0.0%
VIETNAM POSTS AND TELECOMMUNICATIONS GROUP VN — —
103.139.44.0/23 512
0.0%
VIETNAM POSTS AND TELECOMMUNICATIONS GROUP VN — —
103.139.202.0/23 512
1.4%
VIETNAM POSTS AND TELECOMMUNICATIONS GROUP VN — —
103.145.0.0/23 512
49.4%
VIETNAM POSTS AND TELECOMMUNICATIONS GROUP VN — —
103.147.34.0/23 512
0.8%
VIETNAM POSTS AND TELECOMMUNICATIONS GROUP VN — —
103.147.184.0/23 512
0.0%
VIETNAM POSTS AND TELECOMMUNICATIONS GROUP VN — —
103.149.12.0/23 512
0.0%
VIETNAM POSTS AND TELECOMMUNICATIONS GROUP VN — —
103.149.98.0/23 512
0.0%
VIETNAM POSTS AND TELECOMMUNICATIONS GROUP VN — —
103.149.250.0/23 512
48.2%
VIETNAM POSTS AND TELECOMMUNICATIONS GROUP VN — —
103.151.122.0/23 512
0.0%
VIETNAM POSTS AND TELECOMMUNICATIONS GROUP VN — —
103.151.124.0/23 512
0.0%
VIETNAM POSTS AND TELECOMMUNICATIONS GROUP VN — —
103.151.240.0/23 512
99.8%
VIETNAM POSTS AND TELECOMMUNICATIONS GROUP VN — —
103.151.244.0/23 512
45.9%
VIETNAM POSTS AND TELECOMMUNICATIONS GROUP VN — —
103.152.50.0/23 512
0.0%
VIETNAM POSTS AND TELECOMMUNICATIONS GROUP VN — —
103.153.254.0/23 512
53.7%
VIETNAM POSTS AND TELECOMMUNICATIONS GROUP VN — —
103.154.62.0/23 512
1.4%
VIETNAM POSTS AND TELECOMMUNICATIONS GROUP VN — —
103.155.228.0/23 512
0.4%
VIETNAM POSTS AND TELECOMMUNICATIONS GROUP VN — —
103.156.90.0/23 512
0.0%
VIETNAM POSTS AND TELECOMMUNICATIONS GROUP VN — —
103.156.92.0/23 512
0.0%
VIETNAM POSTS AND TELECOMMUNICATIONS GROUP VN — —
103.157.216.0/23 512
49.8%
VIETNAM POSTS AND TELECOMMUNICATIONS GROUP VN — —
103.159.52.0/23 512
0.0%
VIETNAM POSTS AND TELECOMMUNICATIONS GROUP VN — —
103.159.60.0/23 512
2.5%
VIETNAM POSTS AND TELECOMMUNICATIONS GROUP VN — —
103.164.138.0/23 512
0.0%
VIETNAM POSTS AND TELECOMMUNICATIONS GROUP VN — —
103.166.76.0/23 512
4.1%
VIETNAM POSTS AND TELECOMMUNICATIONS GROUP VN — —
103.166.182.0/23 512
0.4%
VIETNAM POSTS AND TELECOMMUNICATIONS GROUP VN — —
103.166.184.0/23 512
97.3%
VIETNAM POSTS AND TELECOMMUNICATIONS GROUP VN — —
103.170.250.0/23 512
0.0%
VIETNAM POSTS AND TELECOMMUNICATIONS GROUP VN — —
103.173.154.0/23 512
0.2%
VIETNAM POSTS AND TELECOMMUNICATIONS GROUP VN — —
103.179.172.0/23 512
97.3%
VIETNAM POSTS AND TELECOMMUNICATIONS GROUP VN — —
103.179.188.0/23 512
97.3%
VIETNAM POSTS AND TELECOMMUNICATIONS GROUP VN — —
103.180.132.0/23 512
0.0%
VIETNAM POSTS AND TELECOMMUNICATIONS GROUP VN — —
103.183.112.0/23 512
0.2%
VIETNAM POSTS AND TELECOMMUNICATIONS GROUP VN — —
103.184.112.0/23 512
0.2%
VIETNAM POSTS AND TELECOMMUNICATIONS GROUP VN — —
103.199.8.0/23 512
0.0%
VIETNAM POSTS AND TELECOMMUNICATIONS GROUP VN — —
103.234.188.0/23 512
0.0%
VIETNAM POSTS AND TELECOMMUNICATIONS GROUP VN — —
103.252.72.0/23 512
0.0%
VIETNAM POSTS AND TELECOMMUNICATIONS GROUP VN — —
123.30.110.0/23 512
100.0%
VIETNAM POSTS AND TELECOMMUNICATIONS GROUP VN — —
123.30.154.0/23 512
100.0%
VIETNAM POSTS AND TELECOMMUNICATIONS GROUP VN — —
123.31.10.0/23 512
100.0%
VIETNAM POSTS AND TELECOMMUNICATIONS GROUP VN — —
144.79.110.0/23 512
0.0%
VIETNAM POSTS AND TELECOMMUNICATIONS GROUP VN — —
157.20.88.0/23 512
0.2%
VIETNAM POSTS AND TELECOMMUNICATIONS GROUP VN — —
160.22.102.0/23 512
0.0%
VIETNAM POSTS AND TELECOMMUNICATIONS GROUP VN — —
160.22.124.0/23 512
0.0%
VIETNAM POSTS AND TELECOMMUNICATIONS GROUP VN — —
160.25.144.0/23 512
0.0%
VIETNAM POSTS AND TELECOMMUNICATIONS GROUP VN — —
160.191.100.0/23 512
0.2%
VIETNAM POSTS AND TELECOMMUNICATIONS GROUP VN — —
160.250.126.0/23 512
0.2%
VIETNAM POSTS AND TELECOMMUNICATIONS GROUP VN — —
160.250.188.0/23 512
0.0%
VIETNAM POSTS AND TELECOMMUNICATIONS GROUP VN — —
163.227.2.0/23 512
0.4%
VIETNAM POSTS AND TELECOMMUNICATIONS GROUP VN — —
165.101.16.0/23 512
0.0%
VIETNAM POSTS AND TELECOMMUNICATIONS GROUP VN — —
165.101.114.0/23 512
0.2%
VIETNAM POSTS AND TELECOMMUNICATIONS GROUP VN — —
165.101.116.0/23 512
0.2%
VIETNAM POSTS AND TELECOMMUNICATIONS GROUP VN — —
45.124.85.0/24 256
3.5%
VIETNAM POSTS AND TELECOMMUNICATIONS GROUP VN — —
103.48.190.0/24 256
0.0%
VIETNAM POSTS AND TELECOMMUNICATIONS GROUP VN — —
103.82.135.0/24 256
98.4%
VIETNAM POSTS AND TELECOMMUNICATIONS GROUP VN — —
103.90.220.0/24 256
100.0%
VIETNAM POSTS AND TELECOMMUNICATIONS GROUP VN — —
103.90.222.0/24 256
100.0%
VIETNAM POSTS AND TELECOMMUNICATIONS GROUP VN — —
103.150.241.0/24 256
0.0%
VIETNAM POSTS AND TELECOMMUNICATIONS GROUP VN — —
103.161.22.0/24 256
99.6%
VIETNAM POSTS AND TELECOMMUNICATIONS GROUP VN Ho Chi Minh Ho Chi Minh City
103.249.156.0/24 256
100.0%
VIETNAM POSTS AND TELECOMMUNICATIONS GROUP VN — —
103.252.74.0/24 256
1.2%
VIETNAM POSTS AND TELECOMMUNICATIONS GROUP VN — —
123.30.150.0/24 256
100.0%
VIETNAM POSTS AND TELECOMMUNICATIONS GROUP VN — —
123.30.200.0/24 256
100.0%
VIETNAM POSTS AND TELECOMMUNICATIONS GROUP VN — —

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS135905 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
103.57.220.0/22 229,844 2026-11-13 09:19:31
103.125.192.0/22 228,756 2026-11-13 09:19:31
202.92.4.0/22 226,447 2026-11-13 09:19:31
14.225.0.0/16 209,645 2026-11-13 09:19:43
123.30.110.0/23 207,982 2026-11-13 09:19:28
14.225.16.0/24 184,482 2026-11-13 09:19:43
14.225.17.0/24 184,369 2026-11-13 09:19:43
14.225.18.0/24 184,211 2026-11-13 09:19:43
103.9.206.0/24 184,023 2026-11-13 09:19:43
14.225.19.0/24 184,004 2026-11-13 09:19:43
103.9.207.0/24 183,822 2026-11-13 09:19:43
103.75.184.0/22 183,737 2026-11-13 09:19:32
14.225.12.0/24 183,570 2026-11-13 09:19:43
123.30.159.0/24 183,488 2026-11-13 09:19:43
14.225.13.0/24 183,484 2026-11-13 09:19:43
14.225.14.0/24 183,272 2026-11-13 09:19:43
103.9.205.0/24 183,213 2026-11-13 09:19:43
123.30.158.0/24 183,126 2026-11-13 09:19:43
14.225.15.0/24 183,083 2026-11-13 09:19:43
103.151.241.0/24 182,884 2026-11-13 09:19:32
103.252.74.0/23 182,855 2026-10-20 03:32:50
14.225.8.0/24 182,805 2026-11-13 09:19:43
103.207.38.0/24 182,696 2026-11-13 09:19:32
14.225.9.0/24 182,661 2026-11-13 09:19:43
14.225.75.0/24 182,649 2026-11-13 09:19:43
103.207.39.0/24 182,563 2026-11-13 09:19:32
14.225.10.0/24 182,542 2026-11-13 09:19:43
103.114.104.0/22 182,540 2026-11-13 09:19:32
103.145.0.0/23 182,469 2026-11-13 09:19:43
14.225.11.0/24 182,444 2026-11-13 09:19:43
123.31.44.0/24 182,327 2026-11-13 09:19:43
103.151.244.0/23 182,322 2026-11-13 09:19:32
123.31.45.0/24 182,308 2026-11-13 09:19:43
103.19.29.0/24 182,287 2026-11-13 09:19:32
14.225.5.0/24 182,245 2026-11-13 09:19:43
103.151.240.0/24 182,218 2026-11-13 09:19:32
123.31.10.0/24 182,176 2026-11-13 09:19:43
103.152.50.0/23 182,151 2026-11-13 09:19:32
103.149.250.0/23 182,122 2026-11-13 09:19:32
103.138.108.0/23 182,082 2026-11-13 09:19:32
103.109.40.0/22 182,075 2026-11-13 09:19:32
14.225.7.0/24 182,039 2026-11-13 09:19:43
14.225.0.0/24 182,034 2026-11-13 09:19:43
103.149.12.0/23 182,029 2026-11-13 09:19:32
123.31.12.0/24 182,026 2026-11-13 09:19:43
103.48.80.0/22 181,996 2026-11-13 09:19:32
103.19.28.0/24 181,953 2026-11-13 09:19:32
14.225.1.0/24 181,947 2026-11-13 09:19:43
103.216.116.0/22 181,938 2026-11-13 09:19:32
14.225.2.0/24 181,832 2026-11-13 09:19:43

Showing top 50 of 493 announced prefixes by sample volume.

Frequently Asked Questions

What is AS135905?

AS135905 is an Autonomous System Number assigned to VIETNAM POSTS AND TELECOMMUNICATIONS GROUP. An ASN identifies a network that controls a specific set of IP addresses and determines how traffic is routed across the internet via BGP (Border Gateway Protocol).

How many IP addresses does AS135905 announce?

AS135905 announces 134.9K IPv4 addresses distributed across 109 routed CIDR prefixes. The network is registered in Vietnam.

Who operates AS135905?

AS135905 is operated by VIETNAM POSTS AND TELECOMMUNICATIONS GROUP. The organization is based in Vietnam. You can view all IP ranges and related ASNs on the organization page.

What country is AS135905 registered in?

AS135905 is registered in Vietnam. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-11-13 09:24:05 UTC
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