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CIDR Range

197.100.112.0/20

4.1K IPs /20 NTT Data Inc AS3741 South Africa AFRINIC
Addresses
4,096
4.1K
IP Range
197.100.112.0
→ 197.100.127.255
Sub-ranges
16+
within this block
PTR Density
1.3%
53 of 4.1K 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 197.100.112.0/20

CIDRIPsOrganizationASNCountry
197.100.112.0/21 2.0K NTT Data Inc AS3741 ZA
197.100.120.0/21 2.0K NTT Data Inc AS3741 ZA
197.100.112.0/22 1.0K NTT Data Inc AS3741 ZA
197.100.116.0/22 1.0K NTT Data Inc AS3741 ZA
197.100.120.0/22 1.0K NTT Data Inc AS3741 ZA
197.100.126.0/23 512 NTT Data Inc AS3741 ZA
197.100.122.0/23 512 NTT Data Inc AS3741 ZA
197.100.121.0/24 256 NTT Data Inc AS3741 ZA
197.100.120.0/24 256 NTT Data Inc AS3741 ZA
197.100.124.0/24 256 NTT Data Inc AS3741 ZA
197.100.125.0/25 128 NTT Data Inc AS3741 ZA
197.100.125.128/25 128 NTT Data Inc AS3741 ZA
197.100.125.64/26 64 NTT Data Inc AS3741 ZA
197.100.125.32/27 32 NTT Data Inc AS3741 ZA
197.100.125.0/28 16 NTT Data Inc AS3741 ZA
197.100.125.16/28 16 NTT Data Inc AS3741 ZA

Geolocation

First 256 of 4,096 IP addresses in 197.100.112.0/20

197.100.112.0 197.100.112.1 197.100.112.2 197.100.112.3 197.100.112.4 197.100.112.5 197.100.112.6 197.100.112.7 197.100.112.8 197.100.112.9 197.100.112.10 197.100.112.11 197.100.112.12 197.100.112.13 197.100.112.14 197.100.112.15 197.100.112.16 197.100.112.17 197.100.112.18 197.100.112.19 197.100.112.20 197.100.112.21 197.100.112.22 197.100.112.23 197.100.112.24 197.100.112.25 197.100.112.26 197.100.112.27 197.100.112.28 197.100.112.29 197.100.112.30 197.100.112.31 197.100.112.32 197.100.112.33 197.100.112.34 197.100.112.35 197.100.112.36 197.100.112.37 197.100.112.38 197.100.112.39 197.100.112.40 197.100.112.41 197.100.112.42 197.100.112.43 197.100.112.44 197.100.112.45 197.100.112.46 197.100.112.47 197.100.112.48 197.100.112.49 197.100.112.50 197.100.112.51 197.100.112.52 197.100.112.53 197.100.112.54 197.100.112.55 197.100.112.56 197.100.112.57 197.100.112.58 197.100.112.59 197.100.112.60 197.100.112.61 197.100.112.62 197.100.112.63 197.100.112.64 197.100.112.65 197.100.112.66 197.100.112.67 197.100.112.68 197.100.112.69 197.100.112.70 197.100.112.71 197.100.112.72 197.100.112.73 197.100.112.74 197.100.112.75 197.100.112.76 197.100.112.77 197.100.112.78 197.100.112.79 197.100.112.80 197.100.112.81 197.100.112.82 197.100.112.83 197.100.112.84 197.100.112.85 197.100.112.86 197.100.112.87 197.100.112.88 197.100.112.89 197.100.112.90 197.100.112.91 197.100.112.92 197.100.112.93 197.100.112.94 197.100.112.95 197.100.112.96 197.100.112.97 197.100.112.98 197.100.112.99 197.100.112.100 197.100.112.101 197.100.112.102 197.100.112.103 197.100.112.104 197.100.112.105 197.100.112.106 197.100.112.107 197.100.112.108 197.100.112.109 197.100.112.110 197.100.112.111 197.100.112.112 197.100.112.113 197.100.112.114 197.100.112.115 197.100.112.116 197.100.112.117 197.100.112.118 197.100.112.119 197.100.112.120 197.100.112.121 197.100.112.122 197.100.112.123 197.100.112.124 197.100.112.125 197.100.112.126 197.100.112.127 197.100.112.128 197.100.112.129 197.100.112.130 197.100.112.131 197.100.112.132 197.100.112.133 197.100.112.134 197.100.112.135 197.100.112.136 197.100.112.137 197.100.112.138 197.100.112.139 197.100.112.140 197.100.112.141 197.100.112.142 197.100.112.143 197.100.112.144 197.100.112.145 197.100.112.146 197.100.112.147 197.100.112.148 197.100.112.149 197.100.112.150 197.100.112.151 197.100.112.152 197.100.112.153 197.100.112.154 197.100.112.155 197.100.112.156 197.100.112.157 197.100.112.158 197.100.112.159 197.100.112.160 197.100.112.161 197.100.112.162 197.100.112.163 197.100.112.164 197.100.112.165 197.100.112.166 197.100.112.167 197.100.112.168 197.100.112.169 197.100.112.170 197.100.112.171 197.100.112.172 197.100.112.173 197.100.112.174 197.100.112.175 197.100.112.176 197.100.112.177 197.100.112.178 197.100.112.179 197.100.112.180 197.100.112.181 197.100.112.182 197.100.112.183 197.100.112.184 197.100.112.185 197.100.112.186 197.100.112.187 197.100.112.188 197.100.112.189 197.100.112.190 197.100.112.191 197.100.112.192 197.100.112.193 197.100.112.194 197.100.112.195 197.100.112.196 197.100.112.197 197.100.112.198 197.100.112.199 197.100.112.200 197.100.112.201 197.100.112.202 197.100.112.203 197.100.112.204 197.100.112.205 197.100.112.206 197.100.112.207 197.100.112.208 197.100.112.209 197.100.112.210 197.100.112.211 197.100.112.212 197.100.112.213 197.100.112.214 197.100.112.215 197.100.112.216 197.100.112.217 197.100.112.218 197.100.112.219 197.100.112.220 197.100.112.221 197.100.112.222 197.100.112.223 197.100.112.224 197.100.112.225 197.100.112.226 197.100.112.227 197.100.112.228 197.100.112.229 197.100.112.230 197.100.112.231 197.100.112.232 197.100.112.233 197.100.112.234 197.100.112.235 197.100.112.236 197.100.112.237 197.100.112.238 197.100.112.239 197.100.112.240 197.100.112.241 197.100.112.242 197.100.112.243 197.100.112.244 197.100.112.245 197.100.112.246 197.100.112.247 197.100.112.248 197.100.112.249 197.100.112.250 197.100.112.251 197.100.112.252 197.100.112.253 197.100.112.254 197.100.112.255 + 3.8K more (range too large to list inline)

BGP Routing

Live BGP anomalies →

Not announced as an exact prefix — covered by the announced supernet 197.96.0.0/13.

Announced prefix
197.96.0.0/13
Origin AS
AS3741
Announcement samples
92,861
Last seen
2026-09-14 03:01:13

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 — ZA

Frequently Asked Questions

What is 197.100.112.0/20?

197.100.112.0/20 is a CIDR network block containing 4,096 IPv4 addresses (from 197.100.112.0 to 197.100.127.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 197.100.112.0/20 network?

The 197.100.112.0/20 range is allocated to NTT Data Inc and announced via AS3741 from South Africa.

Last updated: 2026-09-14 04:24:06 UTC
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