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CIDR Range

59.73.0.0/16

65.5K IPs /16 China Education and Research Network Center AS4538 China APNIC
Addresses
65,536
65.5K
IP Range
59.73.0.0
→ 59.73.255.255
Sub-ranges
0+
within this block
PTR Density
0.0%
0 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.

69/100
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 59.73.0.0/16

59.73.0.0/16 runs from 59.73.0.0 to 59.73.255.255.

First 16
59.73.0.0 59.73.0.1 59.73.0.2 59.73.0.3 59.73.0.4 59.73.0.5 59.73.0.6 59.73.0.7 59.73.0.8 59.73.0.9 59.73.0.10 59.73.0.11 59.73.0.12 59.73.0.13 59.73.0.14 59.73.0.15
Last 16
59.73.255.240 59.73.255.241 59.73.255.242 59.73.255.243 59.73.255.244 59.73.255.245 59.73.255.246 59.73.255.247 59.73.255.248 59.73.255.249 59.73.255.250 59.73.255.251 59.73.255.252 59.73.255.253 59.73.255.254 59.73.255.255

BGP Routing

Live BGP anomalies →

Not announced as an exact prefix — covered by the announced supernet 59.64.0.0/12.

Announced prefix
59.64.0.0/12
Origin AS
AS4538
Announcement samples
59,483
Last seen
2026-10-28 04:05:58

RIR Ownership History

Atom feed ⇲

Allocation changes captured from regional internet registry (RIR) delegation files, re-imported every six hours.

Date Event From To
2026-05-10 New Allocation — CN

Frequently Asked Questions

What is 59.73.0.0/16?

59.73.0.0/16 is a CIDR network block containing 65,536 IPv4 addresses (from 59.73.0.0 to 59.73.255.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 59.73.0.0/16 network?

The 59.73.0.0/16 range is allocated to China Education and Research Network Center and announced via AS4538 from China.

Last updated: 2026-10-28 04:39:05 UTC
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