CIDR Range
120.104.128.0/17
Addresses
32,768
32.8K
Sub-ranges
2+
within this block
PTR Density
1.2%
383 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.
82/100
Trusted
How this score is built
- Baseline (neutral) 65
- Academic allocation +6
- Long-established allocation (18y) +6
- Has a reverse-DNS (PTR) record +5
- Trust score 82 / 100
Experimental · trust-vectors model v1.2.1 — a transparent heuristic, not a definitive verdict. How it works →
Ranges inside 120.104.128.0/17
| CIDR | IPs | Organization | ASN | Country |
|---|---|---|---|---|
| 120.104.128.0/18 | 16.4K | Taiwan Academic Network TANet Information Center | AS1659 | TW |
| 120.104.192.0/18 | 16.4K | Taiwan Academic Network TANet Information Center | AS1659 | TW |
First 256 of 32,768 IP addresses in 120.104.128.0/17
120.104.128.0
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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 120.104.0.0/16.
Frequently Asked Questions
What is 120.104.128.0/17?
120.104.128.0/17 is a CIDR network block containing 32,768 IPv4 addresses (from 120.104.128.0 to 120.104.255.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.
Who owns the 120.104.128.0/17 network?
The 120.104.128.0/17 range is allocated to Taiwan Academic Network TANet Information Center and announced via AS1659 from Taiwan.
Last updated: 2026-10-17 09:09:04 UTC
