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CIDR Range

212.156.81.0/24

256 IPs /24 Turk Telekom AS9121 Türkiye RIPE
Addresses
256
256
IP Range
212.156.81.0
→ 212.156.81.255
Sub-ranges
9+
within this block
PTR Density
100.0%
256 of 256 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 v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →

Ranges inside 212.156.81.0/24

CIDRIPsOrganizationASNCountry
212.156.81.128/25 128 Turk Telekom AS9121 TR
212.156.81.64/26 64 Turk Telekom AS9121 TR
212.156.81.0/27 32 Turk Telekom AS9121 TR
212.156.81.32/28 16 Turk Telekom AS9121 TR
212.156.81.48/29 8 Turk Telekom AS9121 TR
212.156.81.60/30 4 Turk Telekom AS9121 TR
212.156.81.56/31 2 Turk Telekom AS9121 TR
212.156.81.58 1 Turk Telekom AS9121 SY
212.156.81.59 1 Turk Telekom AS9121 TR

Geolocation

All 256 IP addresses in 212.156.81.0/24

212.156.81.0 212.156.81.1 212.156.81.2 212.156.81.3 212.156.81.4 212.156.81.5 212.156.81.6 212.156.81.7 212.156.81.8 212.156.81.9 212.156.81.10 212.156.81.11 212.156.81.12 212.156.81.13 212.156.81.14 212.156.81.15 212.156.81.16 212.156.81.17 212.156.81.18 212.156.81.19 212.156.81.20 212.156.81.21 212.156.81.22 212.156.81.23 212.156.81.24 212.156.81.25 212.156.81.26 212.156.81.27 212.156.81.28 212.156.81.29 212.156.81.30 212.156.81.31 212.156.81.32 212.156.81.33 212.156.81.34 212.156.81.35 212.156.81.36 212.156.81.37 212.156.81.38 212.156.81.39 212.156.81.40 212.156.81.41 212.156.81.42 212.156.81.43 212.156.81.44 212.156.81.45 212.156.81.46 212.156.81.47 212.156.81.48 212.156.81.49 212.156.81.50 212.156.81.51 212.156.81.52 212.156.81.53 212.156.81.54 212.156.81.55 212.156.81.56 212.156.81.57 212.156.81.58 212.156.81.59 212.156.81.60 212.156.81.61 212.156.81.62 212.156.81.63 212.156.81.64 212.156.81.65 212.156.81.66 212.156.81.67 212.156.81.68 212.156.81.69 212.156.81.70 212.156.81.71 212.156.81.72 212.156.81.73 212.156.81.74 212.156.81.75 212.156.81.76 212.156.81.77 212.156.81.78 212.156.81.79 212.156.81.80 212.156.81.81 212.156.81.82 212.156.81.83 212.156.81.84 212.156.81.85 212.156.81.86 212.156.81.87 212.156.81.88 212.156.81.89 212.156.81.90 212.156.81.91 212.156.81.92 212.156.81.93 212.156.81.94 212.156.81.95 212.156.81.96 212.156.81.97 212.156.81.98 212.156.81.99 212.156.81.100 212.156.81.101 212.156.81.102 212.156.81.103 212.156.81.104 212.156.81.105 212.156.81.106 212.156.81.107 212.156.81.108 212.156.81.109 212.156.81.110 212.156.81.111 212.156.81.112 212.156.81.113 212.156.81.114 212.156.81.115 212.156.81.116 212.156.81.117 212.156.81.118 212.156.81.119 212.156.81.120 212.156.81.121 212.156.81.122 212.156.81.123 212.156.81.124 212.156.81.125 212.156.81.126 212.156.81.127 212.156.81.128 212.156.81.129 212.156.81.130 212.156.81.131 212.156.81.132 212.156.81.133 212.156.81.134 212.156.81.135 212.156.81.136 212.156.81.137 212.156.81.138 212.156.81.139 212.156.81.140 212.156.81.141 212.156.81.142 212.156.81.143 212.156.81.144 212.156.81.145 212.156.81.146 212.156.81.147 212.156.81.148 212.156.81.149 212.156.81.150 212.156.81.151 212.156.81.152 212.156.81.153 212.156.81.154 212.156.81.155 212.156.81.156 212.156.81.157 212.156.81.158 212.156.81.159 212.156.81.160 212.156.81.161 212.156.81.162 212.156.81.163 212.156.81.164 212.156.81.165 212.156.81.166 212.156.81.167 212.156.81.168 212.156.81.169 212.156.81.170 212.156.81.171 212.156.81.172 212.156.81.173 212.156.81.174 212.156.81.175 212.156.81.176 212.156.81.177 212.156.81.178 212.156.81.179 212.156.81.180 212.156.81.181 212.156.81.182 212.156.81.183 212.156.81.184 212.156.81.185 212.156.81.186 212.156.81.187 212.156.81.188 212.156.81.189 212.156.81.190 212.156.81.191 212.156.81.192 212.156.81.193 212.156.81.194 212.156.81.195 212.156.81.196 212.156.81.197 212.156.81.198 212.156.81.199 212.156.81.200 212.156.81.201 212.156.81.202 212.156.81.203 212.156.81.204 212.156.81.205 212.156.81.206 212.156.81.207 212.156.81.208 212.156.81.209 212.156.81.210 212.156.81.211 212.156.81.212 212.156.81.213 212.156.81.214 212.156.81.215 212.156.81.216 212.156.81.217 212.156.81.218 212.156.81.219 212.156.81.220 212.156.81.221 212.156.81.222 212.156.81.223 212.156.81.224 212.156.81.225 212.156.81.226 212.156.81.227 212.156.81.228 212.156.81.229 212.156.81.230 212.156.81.231 212.156.81.232 212.156.81.233 212.156.81.234 212.156.81.235 212.156.81.236 212.156.81.237 212.156.81.238 212.156.81.239 212.156.81.240 212.156.81.241 212.156.81.242 212.156.81.243 212.156.81.244 212.156.81.245 212.156.81.246 212.156.81.247 212.156.81.248 212.156.81.249 212.156.81.250 212.156.81.251 212.156.81.252 212.156.81.253 212.156.81.254 212.156.81.255

BGP Routing

Live BGP anomalies →

Not announced as an exact prefix — covered by the announced supernet 212.156.0.0/17.

Announced prefix
212.156.0.0/17
Origin AS
AS9121
Announcement samples
6,346
Last seen
2026-07-24 09:33:07

Frequently Asked Questions

What is 212.156.81.0/24?

212.156.81.0/24 is a CIDR network block containing 256 IPv4 addresses (from 212.156.81.0 to 212.156.81.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 212.156.81.0/24 network?

The 212.156.81.0/24 range is allocated to Turk Telekom and announced via AS9121 from Türkiye.

How many IP addresses are in 212.156.81.0/24?

212.156.81.0/24 contains exactly 256 usable IPv4 addresses. A /24 prefix length means 256 addresses are covered by this single routing entry.

Last updated: 2026-07-24 09:40:31 UTC
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