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CIDR Range

219.31.0.0/16

Addresses
65,536
65.5K
Sub-ranges
0+
within this block
PTR Density
100.0%
65.5K of 65.5K 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.

81/100
Trusted
How this score is built

Experimental · trust-vectors model v1.3.0 — a transparent heuristic, not a definitive verdict. How it works →

Geolocation

First and last addresses in 219.31.0.0/16

219.31.0.0/16 runs from 219.31.0.0 to 219.31.255.255.

First 16
Last 16

This block is announced in BGP, observed across our RIPE RIS collectors.

Announced prefix
Origin AS
Announcement samples
14,500
Last seen
2026-10-28 09:01:32

Frequently Asked Questions

What is 219.31.0.0/16?

219.31.0.0/16 is a CIDR network block containing 65,536 IPv4 addresses (from 219.31.0.0 to 219.31.255.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 219.31.0.0/16 network?

The 219.31.0.0/16 range is allocated to SoftBank Corp. and announced via AS17676 from Japan.

Last updated: 2026-10-28 09:09:05 UTC
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