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CIDR Range

136.252.128.0/19

8.2K IPs /19 Schlumberger Limited AS72 United States ARIN
Addresses
8,192
8.2K
IP Range
136.252.128.0
→ 136.252.159.255
Sub-ranges
9+
within this block
PTR Density
96.9%
7.9K of 8.2K 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 v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →

Ranges inside 136.252.128.0/19

CIDRIPsOrganizationASNCountry
136.252.144.0/20 4.1K Schlumberger Limited AS72 US
136.252.128.0/21 2.0K Schlumberger Limited AS72 US
136.252.136.0/23 512 Schlumberger Limited AS72 US
136.252.138.0/24 256 Schlumberger Limited AS72 NL
136.252.139.0/24 256 Schlumberger Limited AS72 US
136.252.140.0/24 256 Schlumberger Limited AS72 NL
136.252.141.0/24 256 Schlumberger Limited AS72 US
136.252.142.0/24 256 Schlumberger Limited AS72 US
136.252.143.0/24 256 Schlumberger Limited AS72 NL

Geolocation

First 256 of 8,192 IP addresses in 136.252.128.0/19

136.252.128.0 136.252.128.1 136.252.128.2 136.252.128.3 136.252.128.4 136.252.128.5 136.252.128.6 136.252.128.7 136.252.128.8 136.252.128.9 136.252.128.10 136.252.128.11 136.252.128.12 136.252.128.13 136.252.128.14 136.252.128.15 136.252.128.16 136.252.128.17 136.252.128.18 136.252.128.19 136.252.128.20 136.252.128.21 136.252.128.22 136.252.128.23 136.252.128.24 136.252.128.25 136.252.128.26 136.252.128.27 136.252.128.28 136.252.128.29 136.252.128.30 136.252.128.31 136.252.128.32 136.252.128.33 136.252.128.34 136.252.128.35 136.252.128.36 136.252.128.37 136.252.128.38 136.252.128.39 136.252.128.40 136.252.128.41 136.252.128.42 136.252.128.43 136.252.128.44 136.252.128.45 136.252.128.46 136.252.128.47 136.252.128.48 136.252.128.49 136.252.128.50 136.252.128.51 136.252.128.52 136.252.128.53 136.252.128.54 136.252.128.55 136.252.128.56 136.252.128.57 136.252.128.58 136.252.128.59 136.252.128.60 136.252.128.61 136.252.128.62 136.252.128.63 136.252.128.64 136.252.128.65 136.252.128.66 136.252.128.67 136.252.128.68 136.252.128.69 136.252.128.70 136.252.128.71 136.252.128.72 136.252.128.73 136.252.128.74 136.252.128.75 136.252.128.76 136.252.128.77 136.252.128.78 136.252.128.79 136.252.128.80 136.252.128.81 136.252.128.82 136.252.128.83 136.252.128.84 136.252.128.85 136.252.128.86 136.252.128.87 136.252.128.88 136.252.128.89 136.252.128.90 136.252.128.91 136.252.128.92 136.252.128.93 136.252.128.94 136.252.128.95 136.252.128.96 136.252.128.97 136.252.128.98 136.252.128.99 136.252.128.100 136.252.128.101 136.252.128.102 136.252.128.103 136.252.128.104 136.252.128.105 136.252.128.106 136.252.128.107 136.252.128.108 136.252.128.109 136.252.128.110 136.252.128.111 136.252.128.112 136.252.128.113 136.252.128.114 136.252.128.115 136.252.128.116 136.252.128.117 136.252.128.118 136.252.128.119 136.252.128.120 136.252.128.121 136.252.128.122 136.252.128.123 136.252.128.124 136.252.128.125 136.252.128.126 136.252.128.127 136.252.128.128 136.252.128.129 136.252.128.130 136.252.128.131 136.252.128.132 136.252.128.133 136.252.128.134 136.252.128.135 136.252.128.136 136.252.128.137 136.252.128.138 136.252.128.139 136.252.128.140 136.252.128.141 136.252.128.142 136.252.128.143 136.252.128.144 136.252.128.145 136.252.128.146 136.252.128.147 136.252.128.148 136.252.128.149 136.252.128.150 136.252.128.151 136.252.128.152 136.252.128.153 136.252.128.154 136.252.128.155 136.252.128.156 136.252.128.157 136.252.128.158 136.252.128.159 136.252.128.160 136.252.128.161 136.252.128.162 136.252.128.163 136.252.128.164 136.252.128.165 136.252.128.166 136.252.128.167 136.252.128.168 136.252.128.169 136.252.128.170 136.252.128.171 136.252.128.172 136.252.128.173 136.252.128.174 136.252.128.175 136.252.128.176 136.252.128.177 136.252.128.178 136.252.128.179 136.252.128.180 136.252.128.181 136.252.128.182 136.252.128.183 136.252.128.184 136.252.128.185 136.252.128.186 136.252.128.187 136.252.128.188 136.252.128.189 136.252.128.190 136.252.128.191 136.252.128.192 136.252.128.193 136.252.128.194 136.252.128.195 136.252.128.196 136.252.128.197 136.252.128.198 136.252.128.199 136.252.128.200 136.252.128.201 136.252.128.202 136.252.128.203 136.252.128.204 136.252.128.205 136.252.128.206 136.252.128.207 136.252.128.208 136.252.128.209 136.252.128.210 136.252.128.211 136.252.128.212 136.252.128.213 136.252.128.214 136.252.128.215 136.252.128.216 136.252.128.217 136.252.128.218 136.252.128.219 136.252.128.220 136.252.128.221 136.252.128.222 136.252.128.223 136.252.128.224 136.252.128.225 136.252.128.226 136.252.128.227 136.252.128.228 136.252.128.229 136.252.128.230 136.252.128.231 136.252.128.232 136.252.128.233 136.252.128.234 136.252.128.235 136.252.128.236 136.252.128.237 136.252.128.238 136.252.128.239 136.252.128.240 136.252.128.241 136.252.128.242 136.252.128.243 136.252.128.244 136.252.128.245 136.252.128.246 136.252.128.247 136.252.128.248 136.252.128.249 136.252.128.250 136.252.128.251 136.252.128.252 136.252.128.253 136.252.128.254 136.252.128.255 + 7.9K more (range too large to list inline)

BGP Routing

Live BGP anomalies →

Not announced as an exact prefix — covered by the announced supernet 136.252.128.0/17.

Announced prefix
136.252.128.0/17
Origin AS
AS72
Announcement samples
5,198
Last seen
2026-07-23 09:59:15

Frequently Asked Questions

What is 136.252.128.0/19?

136.252.128.0/19 is a CIDR network block containing 8,192 IPv4 addresses (from 136.252.128.0 to 136.252.159.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 136.252.128.0/19 network?

The 136.252.128.0/19 range is allocated to Schlumberger Limited and announced via AS72 from United States.

Last updated: 2026-07-23 09:55:31 UTC
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