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CIDR Range

159.183.244.0/22

1.0K IPs /22 SendGrid, Inc. AS11377 United States ARIN
Addresses
1,024
1.0K
IP Range
159.183.244.0
→ 159.183.247.255
Sub-ranges
3+
within this block
PTR Density
0.0%
0 of 1.0K 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.

69/100
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 159.183.244.0/22

CIDRIPsOrganizationASNCountry
159.183.244.0/23 512 SendGrid, Inc. AS11377 NL
159.183.246.0/24 256 SendGrid, Inc. AS11377 US
159.183.247.0/24 256 SendGrid, Inc. AS11377 NL

Geolocation

First 256 of 1,024 IP addresses in 159.183.244.0/22

159.183.244.0 159.183.244.1 159.183.244.2 159.183.244.3 159.183.244.4 159.183.244.5 159.183.244.6 159.183.244.7 159.183.244.8 159.183.244.9 159.183.244.10 159.183.244.11 159.183.244.12 159.183.244.13 159.183.244.14 159.183.244.15 159.183.244.16 159.183.244.17 159.183.244.18 159.183.244.19 159.183.244.20 159.183.244.21 159.183.244.22 159.183.244.23 159.183.244.24 159.183.244.25 159.183.244.26 159.183.244.27 159.183.244.28 159.183.244.29 159.183.244.30 159.183.244.31 159.183.244.32 159.183.244.33 159.183.244.34 159.183.244.35 159.183.244.36 159.183.244.37 159.183.244.38 159.183.244.39 159.183.244.40 159.183.244.41 159.183.244.42 159.183.244.43 159.183.244.44 159.183.244.45 159.183.244.46 159.183.244.47 159.183.244.48 159.183.244.49 159.183.244.50 159.183.244.51 159.183.244.52 159.183.244.53 159.183.244.54 159.183.244.55 159.183.244.56 159.183.244.57 159.183.244.58 159.183.244.59 159.183.244.60 159.183.244.61 159.183.244.62 159.183.244.63 159.183.244.64 159.183.244.65 159.183.244.66 159.183.244.67 159.183.244.68 159.183.244.69 159.183.244.70 159.183.244.71 159.183.244.72 159.183.244.73 159.183.244.74 159.183.244.75 159.183.244.76 159.183.244.77 159.183.244.78 159.183.244.79 159.183.244.80 159.183.244.81 159.183.244.82 159.183.244.83 159.183.244.84 159.183.244.85 159.183.244.86 159.183.244.87 159.183.244.88 159.183.244.89 159.183.244.90 159.183.244.91 159.183.244.92 159.183.244.93 159.183.244.94 159.183.244.95 159.183.244.96 159.183.244.97 159.183.244.98 159.183.244.99 159.183.244.100 159.183.244.101 159.183.244.102 159.183.244.103 159.183.244.104 159.183.244.105 159.183.244.106 159.183.244.107 159.183.244.108 159.183.244.109 159.183.244.110 159.183.244.111 159.183.244.112 159.183.244.113 159.183.244.114 159.183.244.115 159.183.244.116 159.183.244.117 159.183.244.118 159.183.244.119 159.183.244.120 159.183.244.121 159.183.244.122 159.183.244.123 159.183.244.124 159.183.244.125 159.183.244.126 159.183.244.127 159.183.244.128 159.183.244.129 159.183.244.130 159.183.244.131 159.183.244.132 159.183.244.133 159.183.244.134 159.183.244.135 159.183.244.136 159.183.244.137 159.183.244.138 159.183.244.139 159.183.244.140 159.183.244.141 159.183.244.142 159.183.244.143 159.183.244.144 159.183.244.145 159.183.244.146 159.183.244.147 159.183.244.148 159.183.244.149 159.183.244.150 159.183.244.151 159.183.244.152 159.183.244.153 159.183.244.154 159.183.244.155 159.183.244.156 159.183.244.157 159.183.244.158 159.183.244.159 159.183.244.160 159.183.244.161 159.183.244.162 159.183.244.163 159.183.244.164 159.183.244.165 159.183.244.166 159.183.244.167 159.183.244.168 159.183.244.169 159.183.244.170 159.183.244.171 159.183.244.172 159.183.244.173 159.183.244.174 159.183.244.175 159.183.244.176 159.183.244.177 159.183.244.178 159.183.244.179 159.183.244.180 159.183.244.181 159.183.244.182 159.183.244.183 159.183.244.184 159.183.244.185 159.183.244.186 159.183.244.187 159.183.244.188 159.183.244.189 159.183.244.190 159.183.244.191 159.183.244.192 159.183.244.193 159.183.244.194 159.183.244.195 159.183.244.196 159.183.244.197 159.183.244.198 159.183.244.199 159.183.244.200 159.183.244.201 159.183.244.202 159.183.244.203 159.183.244.204 159.183.244.205 159.183.244.206 159.183.244.207 159.183.244.208 159.183.244.209 159.183.244.210 159.183.244.211 159.183.244.212 159.183.244.213 159.183.244.214 159.183.244.215 159.183.244.216 159.183.244.217 159.183.244.218 159.183.244.219 159.183.244.220 159.183.244.221 159.183.244.222 159.183.244.223 159.183.244.224 159.183.244.225 159.183.244.226 159.183.244.227 159.183.244.228 159.183.244.229 159.183.244.230 159.183.244.231 159.183.244.232 159.183.244.233 159.183.244.234 159.183.244.235 159.183.244.236 159.183.244.237 159.183.244.238 159.183.244.239 159.183.244.240 159.183.244.241 159.183.244.242 159.183.244.243 159.183.244.244 159.183.244.245 159.183.244.246 159.183.244.247 159.183.244.248 159.183.244.249 159.183.244.250 159.183.244.251 159.183.244.252 159.183.244.253 159.183.244.254 159.183.244.255 + 768 more (range too large to list inline)

BGP Routing

Live BGP anomalies →

This block is announced in BGP, observed across our RIPE RIS collectors.

Announced prefix
159.183.244.0/22
Origin AS
AS11377
Announcement samples
3,251
Last seen
2026-07-23 19:05:10

Frequently Asked Questions

What is 159.183.244.0/22?

159.183.244.0/22 is a CIDR network block containing 1,024 IPv4 addresses (from 159.183.244.0 to 159.183.247.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 159.183.244.0/22 network?

The 159.183.244.0/22 range is allocated to SendGrid, Inc. and announced via AS11377 from United States.

Last updated: 2026-07-23 19:40:32 UTC
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