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CIDR Range

220.243.0.0/16

65.5K IPs /16 China APNIC
Addresses
65,536
65.5K
IP Range
220.243.0.0
→ 220.243.255.255
Sub-ranges
37+
within this block
PTR Density
1.6%
1.1K 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.

76/100
Moderate
How this score is built

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

Ranges inside 220.243.0.0/16

CIDRIPsOrganizationASNCountry
220.243.0.0/17 32.8K — — CN
220.243.0.0/17 32.8K — — CN
220.243.192.0/18 16.4K — — CN
220.243.192.0/18 16.4K — — CN
220.243.160.0/19 8.2K — — CN
220.243.128.0/20 4.1K — — CN
220.243.128.0/20 4.1K China Unicom Beijing Province Network AS4808 CN
220.243.160.0/20 4.1K IDC, China Telecommunications Corporation AS23724 CN
220.243.176.0/20 4.1K China Unicom Beijing Province Network AS4808 CN
220.243.176.0/20 4.1K China Unicom Beijing Province Network AS4808 CN
220.243.128.0/20 4.1K China Unicom Beijing Province Network AS4808 CN
220.243.144.0/20 4.1K IDC, China Telecommunications Corporation AS23724 CN
220.243.144.0/21 2.0K — — CN
220.243.156.0/22 1.0K — — CN
220.243.154.0/23 512 IDC, China Telecommunications Corporation AS23724 CN
220.243.152.0/23 512 — — CN
220.243.156.0/23 512 IDC, China Telecommunications Corporation AS23724 CN
220.243.158.0/24 256 IDC, China Telecommunications Corporation AS23724 CN
220.243.153.0/24 256 IDC, China Telecommunications Corporation AS23724 CN
220.243.154.128/25 128 — — CN
220.243.155.0/25 128 — — CN
220.243.154.64/26 64 — — CN
220.243.155.128/26 64 — — CN
220.243.154.32/27 32 — — CN
220.243.155.192/27 32 — — CN
220.243.155.224/28 16 — — CN
220.243.154.16/28 16 — — CN
220.243.154.8/29 8 — — CN
220.243.155.240/29 8 — — CN
220.243.155.248/30 4 — — CN
220.243.154.4/30 4 — — CN
220.243.154.2/31 2 — — CN

First and last addresses in 220.243.0.0/16

220.243.0.0/16 runs from 220.243.0.0 to 220.243.255.255.

First 16
220.243.0.0 220.243.0.1 220.243.0.2 220.243.0.3 220.243.0.4 220.243.0.5 220.243.0.6 220.243.0.7 220.243.0.8 220.243.0.9 220.243.0.10 220.243.0.11 220.243.0.12 220.243.0.13 220.243.0.14 220.243.0.15
Last 16
220.243.255.240 220.243.255.241 220.243.255.242 220.243.255.243 220.243.255.244 220.243.255.245 220.243.255.246 220.243.255.247 220.243.255.248 220.243.255.249 220.243.255.250 220.243.255.251 220.243.255.252 220.243.255.253 220.243.255.254 220.243.255.255

Frequently Asked Questions

What is 220.243.0.0/16?

220.243.0.0/16 is a CIDR network block containing 65,536 IPv4 addresses (from 220.243.0.0 to 220.243.255.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 220.243.0.0/16 network?

The 220.243.0.0/16 range is allocated to an unknown organization from China.

Last updated: 2026-11-06 13:09:07 UTC
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