Addresses
32,768
32.8K
Sub-ranges
21+
within this block
PTR Density
51.8%
17.0K of 32.8K IPs have PTR
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.
76/100
Moderate
How this score is built
- Baseline (neutral) 65
- Long-established allocation (15y) +6
- Has a reverse-DNS (PTR) record +5
- Trust score 76 / 100
Experimental · trust-vectors model v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →
Ranges inside 171.244.0.0/17
| CIDR | IPs | Organization | ASN | Country |
|---|---|---|---|---|
| 171.244.64.0/18 | 16.4K | Viettel Group | AS7552 | VN |
| 171.244.0.0/18 | 16.4K | — | — | VN |
| 171.244.64.0/18 | 16.4K | Viettel Group | AS7552 | VN |
| 171.244.64.0/18 | 16.4K | — | — | VN |
| 171.244.64.0/19 | 8.2K | — | — | VN |
| 171.244.96.0/19 | 8.2K | — | — | VN |
| 171.244.80.0/20 | 4.1K | — | — | VN |
| 171.244.96.0/20 | 4.1K | — | — | VN |
| 171.244.112.0/20 | 4.1K | — | — | VN |
| 171.244.0.0/20 | 4.1K | CHT Compamy Ltd | AS38731 | VN |
| 171.244.64.0/20 | 4.1K | — | — | VN |
| 171.244.0.0/20 | 4.1K | CHT Compamy Ltd | AS38731 | VN |
| 171.244.16.0/20 | 4.1K | Viettel Group | AS7552 | VN |
| 171.244.16.0/20 | 4.1K | Viettel Group | AS7552 | VN |
| 171.244.32.0/20 | 4.1K | Viettel Group | AS7552 | VN |
| 171.244.32.0/20 | 4.1K | Viettel Group | AS7552 | VN |
| 171.244.48.0/20 | 4.1K | CHT Compamy Ltd | AS38731 | VN |
| 171.244.48.0/20 | 4.1K | CHT Compamy Ltd | AS38731 | VN |
| 171.244.112.0/21 | 2.0K | — | — | VN |
| 171.244.120.0/22 | 1.0K | — | — | VN |
| 171.244.124.0/22 | 1.0K | — | — | VN |
Geolocation
First 256 of 32,768 IP addresses in 171.244.0.0/17
171.244.0.0
171.244.0.1
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+ 32.5K more (range too large to list inline)
BGP Routing
Live BGP anomalies →Not announced as an exact prefix — covered by the announced supernet 171.244.0.0/14.
Announced prefix
Origin AS
Announcement samples
40,835
Last seen
2026-07-23 15:13:19
Frequently Asked Questions
What is 171.244.0.0/17?
171.244.0.0/17 is a CIDR network block containing 32,768 IPv4 addresses (from 171.244.0.0 to 171.244.127.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.
Who owns the 171.244.0.0/17 network?
The 171.244.0.0/17 range is allocated to an unknown organization from Vietnam.
Last updated: 2026-07-23 15:25:31 UTC
