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CIDR Range

27.155.104.0/21

2.0K IPs /21 Fuzhou AS133774 China APNIC
Addresses
2,048
2.0K
IP Range
27.155.104.0
→ 27.155.111.255
Sub-ranges
18+
within this block
PTR Density
0.0%
0 of 2.0K 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.

75/100
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 27.155.104.0/21

CIDRIPsOrganizationASNCountry
27.155.104.0/22 1.0K Fuzhou AS133774 CN
27.155.108.0/23 512 Fuzhou AS133774 CN
27.155.110.0/24 256 Fuzhou AS133774 CN
27.155.111.0/25 128 Fuzhou AS133774 CN
27.155.111.128/26 64 Fuzhou AS133774 CN
27.155.111.192/28 16 Fuzhou AS133774 CN
27.155.111.248/29 8 Fuzhou AS133774 CN
27.155.111.208/29 8 Fuzhou AS133774 CN
27.155.111.216/30 4 Fuzhou AS133774 CN
27.155.111.244/30 4 Fuzhou AS133774 CN
27.155.111.240/30 4 Fuzhou AS133774 CN
27.155.111.236/30 4 Fuzhou AS133774 CN
27.155.111.232/30 4 Fuzhou AS133774 CN
27.155.111.228/30 4 Fuzhou AS133774 CN
27.155.111.224/30 4 Fuzhou AS133774 CN
27.155.111.220/31 2 Fuzhou AS133774 CN
27.155.111.223/32 1 Fuzhou AS133774 CN
27.155.111.222/32 1 Fuzhou AS133774 CN

First 256 of 2,048 IP addresses in 27.155.104.0/21

27.155.104.0 27.155.104.1 27.155.104.2 27.155.104.3 27.155.104.4 27.155.104.5 27.155.104.6 27.155.104.7 27.155.104.8 27.155.104.9 27.155.104.10 27.155.104.11 27.155.104.12 27.155.104.13 27.155.104.14 27.155.104.15 27.155.104.16 27.155.104.17 27.155.104.18 27.155.104.19 27.155.104.20 27.155.104.21 27.155.104.22 27.155.104.23 27.155.104.24 27.155.104.25 27.155.104.26 27.155.104.27 27.155.104.28 27.155.104.29 27.155.104.30 27.155.104.31 27.155.104.32 27.155.104.33 27.155.104.34 27.155.104.35 27.155.104.36 27.155.104.37 27.155.104.38 27.155.104.39 27.155.104.40 27.155.104.41 27.155.104.42 27.155.104.43 27.155.104.44 27.155.104.45 27.155.104.46 27.155.104.47 27.155.104.48 27.155.104.49 27.155.104.50 27.155.104.51 27.155.104.52 27.155.104.53 27.155.104.54 27.155.104.55 27.155.104.56 27.155.104.57 27.155.104.58 27.155.104.59 27.155.104.60 27.155.104.61 27.155.104.62 27.155.104.63 27.155.104.64 27.155.104.65 27.155.104.66 27.155.104.67 27.155.104.68 27.155.104.69 27.155.104.70 27.155.104.71 27.155.104.72 27.155.104.73 27.155.104.74 27.155.104.75 27.155.104.76 27.155.104.77 27.155.104.78 27.155.104.79 27.155.104.80 27.155.104.81 27.155.104.82 27.155.104.83 27.155.104.84 27.155.104.85 27.155.104.86 27.155.104.87 27.155.104.88 27.155.104.89 27.155.104.90 27.155.104.91 27.155.104.92 27.155.104.93 27.155.104.94 27.155.104.95 27.155.104.96 27.155.104.97 27.155.104.98 27.155.104.99 27.155.104.100 27.155.104.101 27.155.104.102 27.155.104.103 27.155.104.104 27.155.104.105 27.155.104.106 27.155.104.107 27.155.104.108 27.155.104.109 27.155.104.110 27.155.104.111 27.155.104.112 27.155.104.113 27.155.104.114 27.155.104.115 27.155.104.116 27.155.104.117 27.155.104.118 27.155.104.119 27.155.104.120 27.155.104.121 27.155.104.122 27.155.104.123 27.155.104.124 27.155.104.125 27.155.104.126 27.155.104.127 27.155.104.128 27.155.104.129 27.155.104.130 27.155.104.131 27.155.104.132 27.155.104.133 27.155.104.134 27.155.104.135 27.155.104.136 27.155.104.137 27.155.104.138 27.155.104.139 27.155.104.140 27.155.104.141 27.155.104.142 27.155.104.143 27.155.104.144 27.155.104.145 27.155.104.146 27.155.104.147 27.155.104.148 27.155.104.149 27.155.104.150 27.155.104.151 27.155.104.152 27.155.104.153 27.155.104.154 27.155.104.155 27.155.104.156 27.155.104.157 27.155.104.158 27.155.104.159 27.155.104.160 27.155.104.161 27.155.104.162 27.155.104.163 27.155.104.164 27.155.104.165 27.155.104.166 27.155.104.167 27.155.104.168 27.155.104.169 27.155.104.170 27.155.104.171 27.155.104.172 27.155.104.173 27.155.104.174 27.155.104.175 27.155.104.176 27.155.104.177 27.155.104.178 27.155.104.179 27.155.104.180 27.155.104.181 27.155.104.182 27.155.104.183 27.155.104.184 27.155.104.185 27.155.104.186 27.155.104.187 27.155.104.188 27.155.104.189 27.155.104.190 27.155.104.191 27.155.104.192 27.155.104.193 27.155.104.194 27.155.104.195 27.155.104.196 27.155.104.197 27.155.104.198 27.155.104.199 27.155.104.200 27.155.104.201 27.155.104.202 27.155.104.203 27.155.104.204 27.155.104.205 27.155.104.206 27.155.104.207 27.155.104.208 27.155.104.209 27.155.104.210 27.155.104.211 27.155.104.212 27.155.104.213 27.155.104.214 27.155.104.215 27.155.104.216 27.155.104.217 27.155.104.218 27.155.104.219 27.155.104.220 27.155.104.221 27.155.104.222 27.155.104.223 27.155.104.224 27.155.104.225 27.155.104.226 27.155.104.227 27.155.104.228 27.155.104.229 27.155.104.230 27.155.104.231 27.155.104.232 27.155.104.233 27.155.104.234 27.155.104.235 27.155.104.236 27.155.104.237 27.155.104.238 27.155.104.239 27.155.104.240 27.155.104.241 27.155.104.242 27.155.104.243 27.155.104.244 27.155.104.245 27.155.104.246 27.155.104.247 27.155.104.248 27.155.104.249 27.155.104.250 27.155.104.251 27.155.104.252 27.155.104.253 27.155.104.254 27.155.104.255 + 1.8K 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
27.155.104.0/21
Origin AS
AS133774
Announcement samples
19,244
Last seen
2026-07-24 06:05:38

Frequently Asked Questions

What is 27.155.104.0/21?

27.155.104.0/21 is a CIDR network block containing 2,048 IPv4 addresses (from 27.155.104.0 to 27.155.111.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 27.155.104.0/21 network?

The 27.155.104.0/21 range is allocated to Fuzhou and announced via AS133774 from China.

Last updated: 2026-07-24 06:10:32 UTC
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