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CIDR Range

156.239.244.0/23

512 IPs /23 Zenlayer Inc AS21859 Hong Kong AFRINIC
Addresses
512
512
IP Range
156.239.244.0
→ 156.239.245.255
Sub-ranges
4+
within this block
PTR Density
0.0%
0 of 512 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.

72/100
Moderate
How this score is built

Experimental · trust-vectors model v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →

Ranges inside 156.239.244.0/23

CIDRIPsOrganizationASNCountry
156.239.244.0/24 256 Zenlayer Inc AS21859 SC
156.239.244.0/24 256 Zenlayer Inc AS21859 HK
156.239.245.0/24 256 Zenlayer Inc AS21859 SC
156.239.245.0/24 256 Zenlayer Inc AS21859 SC

First 256 of 512 IP addresses in 156.239.244.0/23

156.239.244.0 156.239.244.1 156.239.244.2 156.239.244.3 156.239.244.4 156.239.244.5 156.239.244.6 156.239.244.7 156.239.244.8 156.239.244.9 156.239.244.10 156.239.244.11 156.239.244.12 156.239.244.13 156.239.244.14 156.239.244.15 156.239.244.16 156.239.244.17 156.239.244.18 156.239.244.19 156.239.244.20 156.239.244.21 156.239.244.22 156.239.244.23 156.239.244.24 156.239.244.25 156.239.244.26 156.239.244.27 156.239.244.28 156.239.244.29 156.239.244.30 156.239.244.31 156.239.244.32 156.239.244.33 156.239.244.34 156.239.244.35 156.239.244.36 156.239.244.37 156.239.244.38 156.239.244.39 156.239.244.40 156.239.244.41 156.239.244.42 156.239.244.43 156.239.244.44 156.239.244.45 156.239.244.46 156.239.244.47 156.239.244.48 156.239.244.49 156.239.244.50 156.239.244.51 156.239.244.52 156.239.244.53 156.239.244.54 156.239.244.55 156.239.244.56 156.239.244.57 156.239.244.58 156.239.244.59 156.239.244.60 156.239.244.61 156.239.244.62 156.239.244.63 156.239.244.64 156.239.244.65 156.239.244.66 156.239.244.67 156.239.244.68 156.239.244.69 156.239.244.70 156.239.244.71 156.239.244.72 156.239.244.73 156.239.244.74 156.239.244.75 156.239.244.76 156.239.244.77 156.239.244.78 156.239.244.79 156.239.244.80 156.239.244.81 156.239.244.82 156.239.244.83 156.239.244.84 156.239.244.85 156.239.244.86 156.239.244.87 156.239.244.88 156.239.244.89 156.239.244.90 156.239.244.91 156.239.244.92 156.239.244.93 156.239.244.94 156.239.244.95 156.239.244.96 156.239.244.97 156.239.244.98 156.239.244.99 156.239.244.100 156.239.244.101 156.239.244.102 156.239.244.103 156.239.244.104 156.239.244.105 156.239.244.106 156.239.244.107 156.239.244.108 156.239.244.109 156.239.244.110 156.239.244.111 156.239.244.112 156.239.244.113 156.239.244.114 156.239.244.115 156.239.244.116 156.239.244.117 156.239.244.118 156.239.244.119 156.239.244.120 156.239.244.121 156.239.244.122 156.239.244.123 156.239.244.124 156.239.244.125 156.239.244.126 156.239.244.127 156.239.244.128 156.239.244.129 156.239.244.130 156.239.244.131 156.239.244.132 156.239.244.133 156.239.244.134 156.239.244.135 156.239.244.136 156.239.244.137 156.239.244.138 156.239.244.139 156.239.244.140 156.239.244.141 156.239.244.142 156.239.244.143 156.239.244.144 156.239.244.145 156.239.244.146 156.239.244.147 156.239.244.148 156.239.244.149 156.239.244.150 156.239.244.151 156.239.244.152 156.239.244.153 156.239.244.154 156.239.244.155 156.239.244.156 156.239.244.157 156.239.244.158 156.239.244.159 156.239.244.160 156.239.244.161 156.239.244.162 156.239.244.163 156.239.244.164 156.239.244.165 156.239.244.166 156.239.244.167 156.239.244.168 156.239.244.169 156.239.244.170 156.239.244.171 156.239.244.172 156.239.244.173 156.239.244.174 156.239.244.175 156.239.244.176 156.239.244.177 156.239.244.178 156.239.244.179 156.239.244.180 156.239.244.181 156.239.244.182 156.239.244.183 156.239.244.184 156.239.244.185 156.239.244.186 156.239.244.187 156.239.244.188 156.239.244.189 156.239.244.190 156.239.244.191 156.239.244.192 156.239.244.193 156.239.244.194 156.239.244.195 156.239.244.196 156.239.244.197 156.239.244.198 156.239.244.199 156.239.244.200 156.239.244.201 156.239.244.202 156.239.244.203 156.239.244.204 156.239.244.205 156.239.244.206 156.239.244.207 156.239.244.208 156.239.244.209 156.239.244.210 156.239.244.211 156.239.244.212 156.239.244.213 156.239.244.214 156.239.244.215 156.239.244.216 156.239.244.217 156.239.244.218 156.239.244.219 156.239.244.220 156.239.244.221 156.239.244.222 156.239.244.223 156.239.244.224 156.239.244.225 156.239.244.226 156.239.244.227 156.239.244.228 156.239.244.229 156.239.244.230 156.239.244.231 156.239.244.232 156.239.244.233 156.239.244.234 156.239.244.235 156.239.244.236 156.239.244.237 156.239.244.238 156.239.244.239 156.239.244.240 156.239.244.241 156.239.244.242 156.239.244.243 156.239.244.244 156.239.244.245 156.239.244.246 156.239.244.247 156.239.244.248 156.239.244.249 156.239.244.250 156.239.244.251 156.239.244.252 156.239.244.253 156.239.244.254 156.239.244.255 + 256 more (range too large to list inline)

BGP Routing

Live BGP anomalies →

Not announced as an exact prefix — covered by the announced supernet 156.239.240.0/20.

Announced prefix
156.239.240.0/20
Origin AS
AS62468
Announcement samples
13,393
Last seen
2026-07-23 15:47:28

RIR Ownership History

Atom feed ⇲

Allocation changes captured weekly from regional internet registry (RIR) delegation files.

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

Frequently Asked Questions

What is 156.239.244.0/23?

156.239.244.0/23 is a CIDR network block containing 512 IPv4 addresses (from 156.239.244.0 to 156.239.245.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 156.239.244.0/23 network?

The 156.239.244.0/23 range is allocated to Zenlayer Inc and announced via AS21859 from Hong Kong.

Last updated: 2026-07-23 16:25:31 UTC
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