Addresses
16,384
16.4K
Sub-ranges
15+
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.
76/100
Moderate
How this score is built
- Baseline (neutral) 65
- Long-established allocation (18y) +6
- Has a reverse-DNS (PTR) record +5
- Trust score 76 / 100
Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →
Ranges inside 113.173.0.0/18
| CIDR | IPs | Organization | ASN | Country |
|---|---|---|---|---|
| 113.173.32.0/19 | 8.2K | VNPT Corp | AS45899 | VN |
| 113.173.0.0/20 | 4.1K | VNPT Corp | AS45899 | VN |
| 113.173.16.0/21 | 2.0K | VNPT Corp | AS45899 | VN |
| 113.173.28.0/22 | 1.0K | VNPT Corp | AS45899 | VN |
| 113.173.24.0/23 | 512 | VNPT Corp | AS45899 | VN |
| 113.173.27.0/24 | 256 | VNPT Corp | AS45899 | VN |
| 113.173.26.0/25 | 128 | VNPT Corp | AS45899 | VN |
| 113.173.26.192/26 | 64 | VNPT Corp | AS45899 | VN |
| 113.173.26.128/27 | 32 | VNPT Corp | AS45899 | VN |
| 113.173.26.176/28 | 16 | VNPT Corp | AS45899 | VN |
| 113.173.26.160/29 | 8 | VNPT Corp | AS45899 | VN |
| 113.173.26.172/30 | 4 | VNPT Corp | AS45899 | VN |
| 113.173.26.170/31 | 2 | VNPT Corp | AS45899 | VN |
| 113.173.26.168/32 | 1 | VNPT Corp | AS45899 | VN |
| 113.173.26.169/32 | 1 | VNPT Corp | AS45899 | VN |
Geolocation
First 256 of 16,384 IP addresses in 113.173.0.0/18
113.173.0.0
113.173.0.1
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113.173.0.255
+ 16.1K more (range too large to list inline)
BGP Routing
Live BGP anomalies →Not announced as an exact prefix — covered by the announced supernet 113.173.0.0/16.
Announced prefix
Origin AS
Announcement samples
196,038
Last seen
2026-09-11 13:51:03
Frequently Asked Questions
What is 113.173.0.0/18?
113.173.0.0/18 is a CIDR network block containing 16,384 IPv4 addresses (from 113.173.0.0 to 113.173.63.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.
Who owns the 113.173.0.0/18 network?
The 113.173.0.0/18 range is allocated to VNPT Corp and announced via AS45899 from Vietnam.
Last updated: 2026-09-11 14:41:07 UTC
