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CIDR Range

1.55.64.0/18

16.4K IPs /18 FPT Telecom Company AS18403 Vietnam APNIC
Addresses
16,384
16.4K
IP Range
1.55.64.0
→ 1.55.127.255
Sub-ranges
17+
within this block
PTR Density
0.0%
4 of 16.4K 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 1.55.64.0/18

CIDRIPsOrganizationASNCountry
1.55.96.0/19 8.2K FPT Telecom Company AS18403 VN
1.55.112.0/20 4.1K FPT Telecom Company AS18403 VN
1.55.64.0/20 4.1K FPT Telecom Company AS18403 VN
1.55.96.0/20 4.1K FPT Telecom Company AS18403 VN
1.55.80.0/20 4.1K FPT Telecom Company AS18403 VN
1.55.88.0/21 2.0K FPT Telecom Company AS18403 VN
1.55.80.0/21 2.0K FPT Telecom Company AS18403 VN
1.55.72.0/21 2.0K FPT Telecom Company AS18403 VN
1.55.104.0/21 2.0K FPT Telecom Company AS18403 VN
1.55.96.0/21 2.0K FPT Telecom Company AS18403 VN
1.55.100.0/22 1.0K FPT Telecom Company AS18403 VN
1.55.96.0/22 1.0K FPT Telecom Company AS18403 VN
1.55.84.0/22 1.0K FPT Telecom Company AS18403 VN
1.55.68.0/22 1.0K FPT Telecom Company AS18403 VN
1.55.64.0/22 1.0K FPT Telecom Company AS18403 VN
1.55.82.0/23 512 FPT Telecom Company AS18403 VN
1.55.80.0/23 512 FPT Telecom Company AS18403 VN

Geolocation

First 256 of 16,384 IP addresses in 1.55.64.0/18

1.55.64.0 1.55.64.1 1.55.64.2 1.55.64.3 1.55.64.4 1.55.64.5 1.55.64.6 1.55.64.7 1.55.64.8 1.55.64.9 1.55.64.10 1.55.64.11 1.55.64.12 1.55.64.13 1.55.64.14 1.55.64.15 1.55.64.16 1.55.64.17 1.55.64.18 1.55.64.19 1.55.64.20 1.55.64.21 1.55.64.22 1.55.64.23 1.55.64.24 1.55.64.25 1.55.64.26 1.55.64.27 1.55.64.28 1.55.64.29 1.55.64.30 1.55.64.31 1.55.64.32 1.55.64.33 1.55.64.34 1.55.64.35 1.55.64.36 1.55.64.37 1.55.64.38 1.55.64.39 1.55.64.40 1.55.64.41 1.55.64.42 1.55.64.43 1.55.64.44 1.55.64.45 1.55.64.46 1.55.64.47 1.55.64.48 1.55.64.49 1.55.64.50 1.55.64.51 1.55.64.52 1.55.64.53 1.55.64.54 1.55.64.55 1.55.64.56 1.55.64.57 1.55.64.58 1.55.64.59 1.55.64.60 1.55.64.61 1.55.64.62 1.55.64.63 1.55.64.64 1.55.64.65 1.55.64.66 1.55.64.67 1.55.64.68 1.55.64.69 1.55.64.70 1.55.64.71 1.55.64.72 1.55.64.73 1.55.64.74 1.55.64.75 1.55.64.76 1.55.64.77 1.55.64.78 1.55.64.79 1.55.64.80 1.55.64.81 1.55.64.82 1.55.64.83 1.55.64.84 1.55.64.85 1.55.64.86 1.55.64.87 1.55.64.88 1.55.64.89 1.55.64.90 1.55.64.91 1.55.64.92 1.55.64.93 1.55.64.94 1.55.64.95 1.55.64.96 1.55.64.97 1.55.64.98 1.55.64.99 1.55.64.100 1.55.64.101 1.55.64.102 1.55.64.103 1.55.64.104 1.55.64.105 1.55.64.106 1.55.64.107 1.55.64.108 1.55.64.109 1.55.64.110 1.55.64.111 1.55.64.112 1.55.64.113 1.55.64.114 1.55.64.115 1.55.64.116 1.55.64.117 1.55.64.118 1.55.64.119 1.55.64.120 1.55.64.121 1.55.64.122 1.55.64.123 1.55.64.124 1.55.64.125 1.55.64.126 1.55.64.127 1.55.64.128 1.55.64.129 1.55.64.130 1.55.64.131 1.55.64.132 1.55.64.133 1.55.64.134 1.55.64.135 1.55.64.136 1.55.64.137 1.55.64.138 1.55.64.139 1.55.64.140 1.55.64.141 1.55.64.142 1.55.64.143 1.55.64.144 1.55.64.145 1.55.64.146 1.55.64.147 1.55.64.148 1.55.64.149 1.55.64.150 1.55.64.151 1.55.64.152 1.55.64.153 1.55.64.154 1.55.64.155 1.55.64.156 1.55.64.157 1.55.64.158 1.55.64.159 1.55.64.160 1.55.64.161 1.55.64.162 1.55.64.163 1.55.64.164 1.55.64.165 1.55.64.166 1.55.64.167 1.55.64.168 1.55.64.169 1.55.64.170 1.55.64.171 1.55.64.172 1.55.64.173 1.55.64.174 1.55.64.175 1.55.64.176 1.55.64.177 1.55.64.178 1.55.64.179 1.55.64.180 1.55.64.181 1.55.64.182 1.55.64.183 1.55.64.184 1.55.64.185 1.55.64.186 1.55.64.187 1.55.64.188 1.55.64.189 1.55.64.190 1.55.64.191 1.55.64.192 1.55.64.193 1.55.64.194 1.55.64.195 1.55.64.196 1.55.64.197 1.55.64.198 1.55.64.199 1.55.64.200 1.55.64.201 1.55.64.202 1.55.64.203 1.55.64.204 1.55.64.205 1.55.64.206 1.55.64.207 1.55.64.208 1.55.64.209 1.55.64.210 1.55.64.211 1.55.64.212 1.55.64.213 1.55.64.214 1.55.64.215 1.55.64.216 1.55.64.217 1.55.64.218 1.55.64.219 1.55.64.220 1.55.64.221 1.55.64.222 1.55.64.223 1.55.64.224 1.55.64.225 1.55.64.226 1.55.64.227 1.55.64.228 1.55.64.229 1.55.64.230 1.55.64.231 1.55.64.232 1.55.64.233 1.55.64.234 1.55.64.235 1.55.64.236 1.55.64.237 1.55.64.238 1.55.64.239 1.55.64.240 1.55.64.241 1.55.64.242 1.55.64.243 1.55.64.244 1.55.64.245 1.55.64.246 1.55.64.247 1.55.64.248 1.55.64.249 1.55.64.250 1.55.64.251 1.55.64.252 1.55.64.253 1.55.64.254 1.55.64.255 + 16.1K 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
1.55.64.0/18
Origin AS
AS18403
Announcement samples
17,222
Last seen
2026-08-30 12:10:00

Frequently Asked Questions

What is 1.55.64.0/18?

1.55.64.0/18 is a CIDR network block containing 16,384 IPv4 addresses (from 1.55.64.0 to 1.55.127.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 1.55.64.0/18 network?

The 1.55.64.0/18 range is allocated to FPT Telecom Company and announced via AS18403 from Vietnam.

Last updated: 2026-08-30 12:24:06 UTC
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