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WorldIP.io
CIDR
/15 · 131.1K IPs
ASN
Beijing Guanghuan Xinwang Digital
Reverse DNS
ec2-52-81-166-219.cn-north-1.compute.amazonaws.com.cn
Last scanned 18 hr ago
Blocklisted
Checking…
Scanning blocklists

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.

85/100
Trusted
How this score is built

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

DNS records

Reverse DNS (PTR)
ec2-52-81-166-219.cn-north-1.compute.amazonaws.com.cn
Forward-confirmed (FCrDNS)
✗ Mismatch
PTR TTL
300 s
Reverse DNS last checked
2026-10-31 10:55 UTC
Forward DNS last checked
2026-10-31 10:55 UTC

Forward DNS records for ec2-52-81-166-219.cn-north-1.compute.amazonaws.com.cn

TypeValuePriorityTTL
A 52.81.166.219 — 86400s
every IP & sub-domain we've seen under this domain

Reverse & forward DNS collected by the WorldIP scanner fleet — FCrDNS confirms the PTR hostname resolves back to this IP.

Domains hosted

as of 2026-10-31 UTC

0

issued.live's latest DNS data shows no domain resolving to this IP.

Domain data provided by issued.live — for full details visit https://issued.live/pricing

Reverse DNS history

How this IP's reverse DNS (PTR) has changed over time, from our scans.

  1. ec2-52-81-166-219.cn-north-1.compute.amazonaws.com.cn stable — Jun 4, 2026 → present 1 brief no-PTR dropout

Network Allocation for 52.81.166.219

CIDR range
52.80.0.0/15
IP range (int)
877,658,112 — 877,789,183
Prefix length
/15
Organization
Beijing Guanghuan Xinwang Digital
ASN
AS55960
ASN name
Beijing Guanghuan Xinwang Digital
Location
Beijing, Beijing, China
Coordinates
39.911000, 116.395000
Accuracy radius
20 km
Regional Internet Registry
APNIC
Allocated
1991-12-19
Data source(s)
maxmind_city, maxmind_asn, ipinfo_lite, maxmind_country
Last updated
2026-10-31 05:22:13

Origin AS announcing the most-specific prefix that covers this IP, observed across our RIPE RIS collectors.

Announced prefix
Origin AS
Announcement samples
26,562
Last seen
2026-10-31 18:48:12

RIR Ownership History

Atom feed ⇲

Allocation changes captured from regional internet registry (RIR) delegation files, re-imported every six hours, for ranges that have contained this IP.

Date Event From To
2026-05-10 RIR Transfer arin apnic

See the full history for 52.80.0.0/14.

Frequently Asked Questions

Who owns 52.81.166.219?

52.81.166.219 is allocated to Beijing Guanghuan Xinwang Digital (AS55960), registered in Beijing, China.

Where is 52.81.166.219 located?

The geolocation for 52.81.166.219 maps to Beijing, China based on MaxMind GeoLite2 data. Accuracy depends on the provider and may represent the ISP's regional hub rather than the exact endpoint.

What network is 52.81.166.219 on?

52.81.166.219 belongs to the 52.80.0.0/15 network block announced by AS55960. This range contains 131,072 addresses.

Does 52.81.166.219 have a reverse DNS record?

Reverse DNS (PTR) records are resolved live when you visit this page. If a PTR record exists, it appears in the Reverse DNS field above. PTR records map IP addresses back to hostnames and are commonly used for email authentication and network diagnostics.

Neighbors

Other addresses in the same /24.

Related

Last updated: 2026-10-31 08:35:18 UTC
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