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CIDR Range

99.197.128.0/17

32.8K IPs /17 ViaSat, Inc. AS7155 United States ARIN
Addresses
32,768
32.8K
IP Range
99.197.128.0
→ 99.197.255.255
Sub-ranges
10+
within this block
PTR Density
99.6%
32.6K 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.

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 99.197.128.0/17

CIDRIPsOrganizationASNCountry
99.197.128.0/18 16.4K ViaSat, Inc. AS7155 US
99.197.160.0/19 8.2K ViaSat, Inc. AS7155 US
99.197.128.0/20 4.1K ViaSat, Inc. AS7155 US
99.197.224.0/20 4.1K ViaSat, Inc. AS7155 US
99.197.208.0/20 4.1K ViaSat, Inc. AS7155 US
99.197.192.0/20 4.1K ViaSat, Inc. AS7155 US
99.197.144.0/20 4.1K ViaSat, Inc. AS7155 US
99.197.240.0/20 4.1K ViaSat, Inc. AS7155 US
99.197.224.0/21 2.0K ViaSat, Inc. AS7155 US
99.197.232.0/21 2.0K ViaSat, Inc. AS7155 US

Geolocation

First 256 of 32,768 IP addresses in 99.197.128.0/17

99.197.128.0 99.197.128.1 99.197.128.2 99.197.128.3 99.197.128.4 99.197.128.5 99.197.128.6 99.197.128.7 99.197.128.8 99.197.128.9 99.197.128.10 99.197.128.11 99.197.128.12 99.197.128.13 99.197.128.14 99.197.128.15 99.197.128.16 99.197.128.17 99.197.128.18 99.197.128.19 99.197.128.20 99.197.128.21 99.197.128.22 99.197.128.23 99.197.128.24 99.197.128.25 99.197.128.26 99.197.128.27 99.197.128.28 99.197.128.29 99.197.128.30 99.197.128.31 99.197.128.32 99.197.128.33 99.197.128.34 99.197.128.35 99.197.128.36 99.197.128.37 99.197.128.38 99.197.128.39 99.197.128.40 99.197.128.41 99.197.128.42 99.197.128.43 99.197.128.44 99.197.128.45 99.197.128.46 99.197.128.47 99.197.128.48 99.197.128.49 99.197.128.50 99.197.128.51 99.197.128.52 99.197.128.53 99.197.128.54 99.197.128.55 99.197.128.56 99.197.128.57 99.197.128.58 99.197.128.59 99.197.128.60 99.197.128.61 99.197.128.62 99.197.128.63 99.197.128.64 99.197.128.65 99.197.128.66 99.197.128.67 99.197.128.68 99.197.128.69 99.197.128.70 99.197.128.71 99.197.128.72 99.197.128.73 99.197.128.74 99.197.128.75 99.197.128.76 99.197.128.77 99.197.128.78 99.197.128.79 99.197.128.80 99.197.128.81 99.197.128.82 99.197.128.83 99.197.128.84 99.197.128.85 99.197.128.86 99.197.128.87 99.197.128.88 99.197.128.89 99.197.128.90 99.197.128.91 99.197.128.92 99.197.128.93 99.197.128.94 99.197.128.95 99.197.128.96 99.197.128.97 99.197.128.98 99.197.128.99 99.197.128.100 99.197.128.101 99.197.128.102 99.197.128.103 99.197.128.104 99.197.128.105 99.197.128.106 99.197.128.107 99.197.128.108 99.197.128.109 99.197.128.110 99.197.128.111 99.197.128.112 99.197.128.113 99.197.128.114 99.197.128.115 99.197.128.116 99.197.128.117 99.197.128.118 99.197.128.119 99.197.128.120 99.197.128.121 99.197.128.122 99.197.128.123 99.197.128.124 99.197.128.125 99.197.128.126 99.197.128.127 99.197.128.128 99.197.128.129 99.197.128.130 99.197.128.131 99.197.128.132 99.197.128.133 99.197.128.134 99.197.128.135 99.197.128.136 99.197.128.137 99.197.128.138 99.197.128.139 99.197.128.140 99.197.128.141 99.197.128.142 99.197.128.143 99.197.128.144 99.197.128.145 99.197.128.146 99.197.128.147 99.197.128.148 99.197.128.149 99.197.128.150 99.197.128.151 99.197.128.152 99.197.128.153 99.197.128.154 99.197.128.155 99.197.128.156 99.197.128.157 99.197.128.158 99.197.128.159 99.197.128.160 99.197.128.161 99.197.128.162 99.197.128.163 99.197.128.164 99.197.128.165 99.197.128.166 99.197.128.167 99.197.128.168 99.197.128.169 99.197.128.170 99.197.128.171 99.197.128.172 99.197.128.173 99.197.128.174 99.197.128.175 99.197.128.176 99.197.128.177 99.197.128.178 99.197.128.179 99.197.128.180 99.197.128.181 99.197.128.182 99.197.128.183 99.197.128.184 99.197.128.185 99.197.128.186 99.197.128.187 99.197.128.188 99.197.128.189 99.197.128.190 99.197.128.191 99.197.128.192 99.197.128.193 99.197.128.194 99.197.128.195 99.197.128.196 99.197.128.197 99.197.128.198 99.197.128.199 99.197.128.200 99.197.128.201 99.197.128.202 99.197.128.203 99.197.128.204 99.197.128.205 99.197.128.206 99.197.128.207 99.197.128.208 99.197.128.209 99.197.128.210 99.197.128.211 99.197.128.212 99.197.128.213 99.197.128.214 99.197.128.215 99.197.128.216 99.197.128.217 99.197.128.218 99.197.128.219 99.197.128.220 99.197.128.221 99.197.128.222 99.197.128.223 99.197.128.224 99.197.128.225 99.197.128.226 99.197.128.227 99.197.128.228 99.197.128.229 99.197.128.230 99.197.128.231 99.197.128.232 99.197.128.233 99.197.128.234 99.197.128.235 99.197.128.236 99.197.128.237 99.197.128.238 99.197.128.239 99.197.128.240 99.197.128.241 99.197.128.242 99.197.128.243 99.197.128.244 99.197.128.245 99.197.128.246 99.197.128.247 99.197.128.248 99.197.128.249 99.197.128.250 99.197.128.251 99.197.128.252 99.197.128.253 99.197.128.254 99.197.128.255 + 32.5K 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
99.197.128.0/17
Origin AS
AS7155
Announcement samples
85
Last seen
2026-07-23 05:13:26

Frequently Asked Questions

What is 99.197.128.0/17?

99.197.128.0/17 is a CIDR network block containing 32,768 IPv4 addresses (from 99.197.128.0 to 99.197.255.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 99.197.128.0/17 network?

The 99.197.128.0/17 range is allocated to ViaSat, Inc. and announced via AS7155 from United States.

Last updated: 2026-07-24 08:40:31 UTC
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