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.
- Baseline (neutral) 65
- Isp allocation +5
- Trust score 70 / 100
Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 103.5.208.0/22 | 1.0K |
0.1%
|
Hanoi Telecom JSC | VN | — | — |
| 103.9.208.0/22 | 1.0K |
0.0%
|
Hanoi Telecom JSC | VN | — | — |
| 103.17.140.0/23 | 512 |
0.4%
|
Hanoi Telecom JSC | VN | — | — |
| 103.172.236.0/23 | 512 |
0.2%
|
Hanoi Telecom JSC | VN | — | — |
| 116.118.68.0/24 | 256 |
0.0%
|
Hanoi Telecom JSC | VN | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS38253 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.
| Prefix | Announcement samples | Last seen |
|---|---|---|
| 103.9.210.0/24 | 115,791 | 2026-08-02 03:40:33 |
| 103.5.209.0/24 | 57,967 | 2026-08-02 03:41:25 |
| 103.9.208.0/22 | 51,188 | 2026-08-02 03:42:02 |
| 103.5.210.0/24 | 48,194 | 2026-08-02 03:41:24 |
| 103.9.211.0/24 | 46,021 | 2026-08-02 03:41:24 |
| 103.5.208.0/22 | 43,297 | 2026-08-02 03:41:25 |
| 116.118.68.0/24 | 41,897 | 2026-08-02 03:41:24 |
| 103.5.208.0/24 | 36,632 | 2026-08-02 03:18:48 |
| 103.172.236.0/23 | 30,317 | 2026-08-02 03:40:40 |
| 103.9.209.0/24 | 30,037 | 2026-08-02 03:41:25 |
| 103.9.208.0/24 | 29,450 | 2026-08-02 03:41:25 |
| 103.5.211.0/24 | 29,340 | 2026-08-02 03:41:25 |
| 103.17.140.0/23 | 24,921 | 2026-08-02 03:41:25 |
| 103.172.236.0/24 | 22,725 | 2026-08-02 03:41:24 |
| 103.172.237.0/24 | 22,693 | 2026-08-02 03:41:24 |
Frequently Asked Questions
What is AS38253?
AS38253 is an Autonomous System Number assigned to Hanoi Telecom JSC. 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 AS38253 announce?
AS38253 announces 3.3K IPv4 addresses distributed across 5 routed CIDR prefixes. The network is registered in Vietnam.
Who operates AS38253?
AS38253 is operated by Hanoi Telecom JSC. The organization is based in Vietnam. You can view all IP ranges and related ASNs on the organization page.
What country is AS38253 registered in?
AS38253 is registered in Vietnam. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
