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CIDR Range

120.157.0.0/17

32.8K IPs /17 Telstra Limited AS1221 Australia APNIC
Addresses
32,768
32.8K
IP Range
120.157.0.0
→ 120.157.127.255
Sub-ranges
8+
within this block
PTR Density
0.0%
0 of 32.8K 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.

71/100
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 120.157.0.0/17

CIDRIPsOrganizationASNCountry
120.157.32.0/19 8.2K Telstra Limited AS1221 AU
120.157.96.0/19 8.2K Telstra Limited AS1221 AU
120.157.0.0/20 4.1K Telstra Limited AS1221 AU
120.157.16.0/20 4.1K Telstra Limited AS1221 AU
120.157.32.0/20 4.1K Telstra Limited AS1221 AU
120.157.48.0/20 4.1K Telstra Limited AS1221 AU
120.157.64.0/20 4.1K Telstra Limited AS1221 AU
120.157.80.0/20 4.1K Telstra Limited AS1221 AU

Geolocation

First 256 of 32,768 IP addresses in 120.157.0.0/17

120.157.0.0 120.157.0.1 120.157.0.2 120.157.0.3 120.157.0.4 120.157.0.5 120.157.0.6 120.157.0.7 120.157.0.8 120.157.0.9 120.157.0.10 120.157.0.11 120.157.0.12 120.157.0.13 120.157.0.14 120.157.0.15 120.157.0.16 120.157.0.17 120.157.0.18 120.157.0.19 120.157.0.20 120.157.0.21 120.157.0.22 120.157.0.23 120.157.0.24 120.157.0.25 120.157.0.26 120.157.0.27 120.157.0.28 120.157.0.29 120.157.0.30 120.157.0.31 120.157.0.32 120.157.0.33 120.157.0.34 120.157.0.35 120.157.0.36 120.157.0.37 120.157.0.38 120.157.0.39 120.157.0.40 120.157.0.41 120.157.0.42 120.157.0.43 120.157.0.44 120.157.0.45 120.157.0.46 120.157.0.47 120.157.0.48 120.157.0.49 120.157.0.50 120.157.0.51 120.157.0.52 120.157.0.53 120.157.0.54 120.157.0.55 120.157.0.56 120.157.0.57 120.157.0.58 120.157.0.59 120.157.0.60 120.157.0.61 120.157.0.62 120.157.0.63 120.157.0.64 120.157.0.65 120.157.0.66 120.157.0.67 120.157.0.68 120.157.0.69 120.157.0.70 120.157.0.71 120.157.0.72 120.157.0.73 120.157.0.74 120.157.0.75 120.157.0.76 120.157.0.77 120.157.0.78 120.157.0.79 120.157.0.80 120.157.0.81 120.157.0.82 120.157.0.83 120.157.0.84 120.157.0.85 120.157.0.86 120.157.0.87 120.157.0.88 120.157.0.89 120.157.0.90 120.157.0.91 120.157.0.92 120.157.0.93 120.157.0.94 120.157.0.95 120.157.0.96 120.157.0.97 120.157.0.98 120.157.0.99 120.157.0.100 120.157.0.101 120.157.0.102 120.157.0.103 120.157.0.104 120.157.0.105 120.157.0.106 120.157.0.107 120.157.0.108 120.157.0.109 120.157.0.110 120.157.0.111 120.157.0.112 120.157.0.113 120.157.0.114 120.157.0.115 120.157.0.116 120.157.0.117 120.157.0.118 120.157.0.119 120.157.0.120 120.157.0.121 120.157.0.122 120.157.0.123 120.157.0.124 120.157.0.125 120.157.0.126 120.157.0.127 120.157.0.128 120.157.0.129 120.157.0.130 120.157.0.131 120.157.0.132 120.157.0.133 120.157.0.134 120.157.0.135 120.157.0.136 120.157.0.137 120.157.0.138 120.157.0.139 120.157.0.140 120.157.0.141 120.157.0.142 120.157.0.143 120.157.0.144 120.157.0.145 120.157.0.146 120.157.0.147 120.157.0.148 120.157.0.149 120.157.0.150 120.157.0.151 120.157.0.152 120.157.0.153 120.157.0.154 120.157.0.155 120.157.0.156 120.157.0.157 120.157.0.158 120.157.0.159 120.157.0.160 120.157.0.161 120.157.0.162 120.157.0.163 120.157.0.164 120.157.0.165 120.157.0.166 120.157.0.167 120.157.0.168 120.157.0.169 120.157.0.170 120.157.0.171 120.157.0.172 120.157.0.173 120.157.0.174 120.157.0.175 120.157.0.176 120.157.0.177 120.157.0.178 120.157.0.179 120.157.0.180 120.157.0.181 120.157.0.182 120.157.0.183 120.157.0.184 120.157.0.185 120.157.0.186 120.157.0.187 120.157.0.188 120.157.0.189 120.157.0.190 120.157.0.191 120.157.0.192 120.157.0.193 120.157.0.194 120.157.0.195 120.157.0.196 120.157.0.197 120.157.0.198 120.157.0.199 120.157.0.200 120.157.0.201 120.157.0.202 120.157.0.203 120.157.0.204 120.157.0.205 120.157.0.206 120.157.0.207 120.157.0.208 120.157.0.209 120.157.0.210 120.157.0.211 120.157.0.212 120.157.0.213 120.157.0.214 120.157.0.215 120.157.0.216 120.157.0.217 120.157.0.218 120.157.0.219 120.157.0.220 120.157.0.221 120.157.0.222 120.157.0.223 120.157.0.224 120.157.0.225 120.157.0.226 120.157.0.227 120.157.0.228 120.157.0.229 120.157.0.230 120.157.0.231 120.157.0.232 120.157.0.233 120.157.0.234 120.157.0.235 120.157.0.236 120.157.0.237 120.157.0.238 120.157.0.239 120.157.0.240 120.157.0.241 120.157.0.242 120.157.0.243 120.157.0.244 120.157.0.245 120.157.0.246 120.157.0.247 120.157.0.248 120.157.0.249 120.157.0.250 120.157.0.251 120.157.0.252 120.157.0.253 120.157.0.254 120.157.0.255 + 32.5K more (range too large to list inline)

BGP Routing

Live BGP anomalies →

Not announced as an exact prefix — covered by the announced supernet 120.156.0.0/15.

Announced prefix
120.156.0.0/15
Origin AS
AS1221
Announcement samples
8,167
Last seen
2026-07-18 11:59:51

Frequently Asked Questions

What is 120.157.0.0/17?

120.157.0.0/17 is a CIDR network block containing 32,768 IPv4 addresses (from 120.157.0.0 to 120.157.127.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 120.157.0.0/17 network?

The 120.157.0.0/17 range is allocated to Telstra Limited and announced via AS1221 from Australia.

Last updated: 2026-07-18 12:25:31 UTC
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