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
- Long-established allocation (23y) +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 221.71.0.0/16
| CIDR | IPs | Organization | ASN | Country |
|---|---|---|---|---|
| 221.71.0.0/17 | 32.8K | SoftBank Corp. | AS17676 | JP |
| 221.71.128.0/18 | 16.4K | SoftBank Corp. | AS17676 | JP |
| 221.71.224.0/19 | 8.2K | SoftBank Corp. | AS17676 | JP |
| 221.71.160.0/19 | 8.2K | SoftBank Corp. | AS17676 | JP |
| 221.71.128.0/19 | 8.2K | SoftBank Corp. | AS17676 | JP |
| 221.71.144.0/20 | 4.1K | SoftBank Corp. | AS17676 | JP |
| 221.71.160.0/20 | 4.1K | SoftBank Corp. | AS17676 | JP |
| 221.71.176.0/20 | 4.1K | SoftBank Corp. | AS17676 | JP |
| 221.71.192.0/20 | 4.1K | SoftBank Corp. | AS17676 | JP |
| 221.71.208.0/20 | 4.1K | SoftBank Corp. | AS17676 | JP |
| 221.71.224.0/20 | 4.1K | SoftBank Corp. | AS17676 | JP |
| 221.71.128.0/20 | 4.1K | SoftBank Corp. | AS17676 | JP |
| 221.71.240.0/20 | 4.1K | SoftBank Corp. | AS17676 | JP |
Geolocation
First 256 of 65,536 IP addresses in 221.71.0.0/16
BGP Routing
Live BGP anomalies →This block is announced in BGP, observed across our RIPE RIS collectors.
Frequently Asked Questions
What is 221.71.0.0/16?
221.71.0.0/16 is a CIDR network block containing 65,536 IPv4 addresses (from 221.71.0.0 to 221.71.255.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.
Who owns the 221.71.0.0/16 network?
The 221.71.0.0/16 range is allocated to SoftBank Corp. and announced via AS17676 from Japan.