Skip to main content
WorldIP.io
CIDR Range

111.186.0.0/18

16.4K IPs /18 China Education and Research Network Center AS4538 China APNIC
Addresses
16,384
16.4K
IP Range
111.186.0.0
→ 111.186.63.255
Sub-ranges
0+
within this block
PTR Density
0.3%
43 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.

68/100
Moderate
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 111.186.0.0/18

111.186.0.0/18 runs from 111.186.0.0 to 111.186.63.255.

First 16
111.186.0.0 111.186.0.1 111.186.0.2 111.186.0.3 111.186.0.4 111.186.0.5 111.186.0.6 111.186.0.7 111.186.0.8 111.186.0.9 111.186.0.10 111.186.0.11 111.186.0.12 111.186.0.13 111.186.0.14 111.186.0.15
Last 16
111.186.63.240 111.186.63.241 111.186.63.242 111.186.63.243 111.186.63.244 111.186.63.245 111.186.63.246 111.186.63.247 111.186.63.248 111.186.63.249 111.186.63.250 111.186.63.251 111.186.63.252 111.186.63.253 111.186.63.254 111.186.63.255

BGP Routing

Live BGP anomalies →

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

Announced prefix
111.186.0.0/18
Origin AS
AS4538
⚠ 2 origins (MOAS)
Announcement samples
199,935
Last seen
2026-10-27 08:37:38
Origins seen: AS4538 · 199,935 AS24364 · 4,524

Frequently Asked Questions

What is 111.186.0.0/18?

111.186.0.0/18 is a CIDR network block containing 16,384 IPv4 addresses (from 111.186.0.0 to 111.186.63.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 111.186.0.0/18 network?

The 111.186.0.0/18 range is allocated to China Education and Research Network Center and announced via AS4538 from China.

Last updated: 2026-10-27 09:09:05 UTC
Share