Addresses
16,384
16.4K
Sub-ranges
19+
within this block
PTR Density
100.0%
16.4K of 16.4K 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.
80/100
Trusted
How this score is built
- Baseline (neutral) 65
- Long-established allocation (15y) +6
- Has a reverse-DNS (PTR) record +5
- Enterprise allocation +4
- Trust score 80 / 100
Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →
Ranges inside 171.101.128.0/18
| CIDR | IPs | Organization | ASN | Country |
|---|---|---|---|---|
| 171.101.176.0/20 | 4.1K | True Online | AS17552 | TH |
| 171.101.144.0/20 | 4.1K | True Online | AS17552 | TH |
| 171.101.176.0/21 | 2.0K | True Online | AS17552 | TH |
| 171.101.160.0/22 | 1.0K | True Online | AS17552 | TH |
| 171.101.172.0/22 | 1.0K | True Online | AS17552 | TH |
| 171.101.188.0/22 | 1.0K | True Online | AS17552 | TH |
| 171.101.136.0/22 | 1.0K | True Online | AS17552 | TH |
| 171.101.132.0/22 | 1.0K | True Online | AS17552 | TH |
| 171.101.184.0/22 | 1.0K | True Online | AS17552 | TH |
| 171.101.170.0/23 | 512 | True Online | AS17552 | TH |
| 171.101.168.0/23 | 512 | True Online | AS17552 | TH |
| 171.101.164.0/23 | 512 | True Online | AS17552 | TH |
| 171.101.142.0/23 | 512 | True Online | AS17552 | TH |
| 171.101.140.0/23 | 512 | True Online | AS17552 | TH |
| 171.101.130.0/23 | 512 | True Online | AS17552 | TH |
| 171.101.167.0/24 | 256 | True Online | AS17552 | TH |
| 171.101.166.0/24 | 256 | True Online | AS17552 | TH |
| 171.101.129.0/24 | 256 | True Online | AS17552 | TH |
| 171.101.128.0/24 | 256 | True Online | AS17552 | TH |
First 256 of 16,384 IP addresses in 171.101.128.0/18
171.101.128.0
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+ 16.1K more (range too large to list inline)
BGP Routing
Live BGP anomalies →This block is announced in BGP, observed across our RIPE RIS collectors.
Announced prefix
Origin AS
Announcement samples
63,328
Last seen
2026-07-23 21:36:37
Frequently Asked Questions
What is 171.101.128.0/18?
171.101.128.0/18 is a CIDR network block containing 16,384 IPv4 addresses (from 171.101.128.0 to 171.101.191.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.
Who owns the 171.101.128.0/18 network?
The 171.101.128.0/18 range is allocated to True Online and announced via AS17552 from Thailand.
Last updated: 2026-07-23 22:25:36 UTC
