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CIDR Range

149.77.198.0/23

512 IPs /23 D. E. Shaw & Co. LP AS4195 United States ARIN
Addresses
512
512
IP Range
149.77.198.0
→ 149.77.199.255
Sub-ranges
2+
within this block
PTR Density
1.2%
6 of 512 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 149.77.198.0/23

CIDRIPsOrganizationASNCountry
149.77.198.0/24 256 D. E. Shaw & Co. LP AS4195 HK
149.77.199.0/24 256 D. E. Shaw & Co. LP AS4195 US

Geolocation

First 256 of 512 IP addresses in 149.77.198.0/23

149.77.198.0 149.77.198.1 149.77.198.2 149.77.198.3 149.77.198.4 149.77.198.5 149.77.198.6 149.77.198.7 149.77.198.8 149.77.198.9 149.77.198.10 149.77.198.11 149.77.198.12 149.77.198.13 149.77.198.14 149.77.198.15 149.77.198.16 149.77.198.17 149.77.198.18 149.77.198.19 149.77.198.20 149.77.198.21 149.77.198.22 149.77.198.23 149.77.198.24 149.77.198.25 149.77.198.26 149.77.198.27 149.77.198.28 149.77.198.29 149.77.198.30 149.77.198.31 149.77.198.32 149.77.198.33 149.77.198.34 149.77.198.35 149.77.198.36 149.77.198.37 149.77.198.38 149.77.198.39 149.77.198.40 149.77.198.41 149.77.198.42 149.77.198.43 149.77.198.44 149.77.198.45 149.77.198.46 149.77.198.47 149.77.198.48 149.77.198.49 149.77.198.50 149.77.198.51 149.77.198.52 149.77.198.53 149.77.198.54 149.77.198.55 149.77.198.56 149.77.198.57 149.77.198.58 149.77.198.59 149.77.198.60 149.77.198.61 149.77.198.62 149.77.198.63 149.77.198.64 149.77.198.65 149.77.198.66 149.77.198.67 149.77.198.68 149.77.198.69 149.77.198.70 149.77.198.71 149.77.198.72 149.77.198.73 149.77.198.74 149.77.198.75 149.77.198.76 149.77.198.77 149.77.198.78 149.77.198.79 149.77.198.80 149.77.198.81 149.77.198.82 149.77.198.83 149.77.198.84 149.77.198.85 149.77.198.86 149.77.198.87 149.77.198.88 149.77.198.89 149.77.198.90 149.77.198.91 149.77.198.92 149.77.198.93 149.77.198.94 149.77.198.95 149.77.198.96 149.77.198.97 149.77.198.98 149.77.198.99 149.77.198.100 149.77.198.101 149.77.198.102 149.77.198.103 149.77.198.104 149.77.198.105 149.77.198.106 149.77.198.107 149.77.198.108 149.77.198.109 149.77.198.110 149.77.198.111 149.77.198.112 149.77.198.113 149.77.198.114 149.77.198.115 149.77.198.116 149.77.198.117 149.77.198.118 149.77.198.119 149.77.198.120 149.77.198.121 149.77.198.122 149.77.198.123 149.77.198.124 149.77.198.125 149.77.198.126 149.77.198.127 149.77.198.128 149.77.198.129 149.77.198.130 149.77.198.131 149.77.198.132 149.77.198.133 149.77.198.134 149.77.198.135 149.77.198.136 149.77.198.137 149.77.198.138 149.77.198.139 149.77.198.140 149.77.198.141 149.77.198.142 149.77.198.143 149.77.198.144 149.77.198.145 149.77.198.146 149.77.198.147 149.77.198.148 149.77.198.149 149.77.198.150 149.77.198.151 149.77.198.152 149.77.198.153 149.77.198.154 149.77.198.155 149.77.198.156 149.77.198.157 149.77.198.158 149.77.198.159 149.77.198.160 149.77.198.161 149.77.198.162 149.77.198.163 149.77.198.164 149.77.198.165 149.77.198.166 149.77.198.167 149.77.198.168 149.77.198.169 149.77.198.170 149.77.198.171 149.77.198.172 149.77.198.173 149.77.198.174 149.77.198.175 149.77.198.176 149.77.198.177 149.77.198.178 149.77.198.179 149.77.198.180 149.77.198.181 149.77.198.182 149.77.198.183 149.77.198.184 149.77.198.185 149.77.198.186 149.77.198.187 149.77.198.188 149.77.198.189 149.77.198.190 149.77.198.191 149.77.198.192 149.77.198.193 149.77.198.194 149.77.198.195 149.77.198.196 149.77.198.197 149.77.198.198 149.77.198.199 149.77.198.200 149.77.198.201 149.77.198.202 149.77.198.203 149.77.198.204 149.77.198.205 149.77.198.206 149.77.198.207 149.77.198.208 149.77.198.209 149.77.198.210 149.77.198.211 149.77.198.212 149.77.198.213 149.77.198.214 149.77.198.215 149.77.198.216 149.77.198.217 149.77.198.218 149.77.198.219 149.77.198.220 149.77.198.221 149.77.198.222 149.77.198.223 149.77.198.224 149.77.198.225 149.77.198.226 149.77.198.227 149.77.198.228 149.77.198.229 149.77.198.230 149.77.198.231 149.77.198.232 149.77.198.233 149.77.198.234 149.77.198.235 149.77.198.236 149.77.198.237 149.77.198.238 149.77.198.239 149.77.198.240 149.77.198.241 149.77.198.242 149.77.198.243 149.77.198.244 149.77.198.245 149.77.198.246 149.77.198.247 149.77.198.248 149.77.198.249 149.77.198.250 149.77.198.251 149.77.198.252 149.77.198.253 149.77.198.254 149.77.198.255 + 256 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
149.77.198.0/23
Origin AS
AS4195
Announcement samples
45,154
Last seen
2026-07-25 15:16:17

Frequently Asked Questions

What is 149.77.198.0/23?

149.77.198.0/23 is a CIDR network block containing 512 IPv4 addresses (from 149.77.198.0 to 149.77.199.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 149.77.198.0/23 network?

The 149.77.198.0/23 range is allocated to D. E. Shaw & Co. LP and announced via AS4195 from United States.

Last updated: 2026-07-25 16:10:31 UTC
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