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CIDR Range

135.19.56.0/21

2.0K IPs /21 Videotron Ltee AS5769 Canada ARIN
Addresses
2,048
2.0K
IP Range
135.19.56.0
→ 135.19.63.255
Sub-ranges
9+
within this block
PTR Density
99.6%
2.0K 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.

73/100
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 135.19.56.0/21

CIDRIPsOrganizationASNCountry
135.19.56.0/22 1.0K Videotron Ltee AS5769 CA
135.19.56.0/23 512 Videotron Ltee AS5769 CA
135.19.58.0/23 512 Videotron Ltee AS5769 CA
135.19.60.0/23 512 Videotron Ltee AS5769 CA
135.19.62.0/23 512 Videotron Ltee AS5769 CA
135.19.56.0/24 256 Videotron Ltee AS5769 CA
135.19.57.0/24 256 Videotron Ltee AS5769 CA
135.19.60.0/24 256 Videotron Ltee AS5769 CA
135.19.61.0/24 256 Videotron Ltee AS5769 CA

Geolocation

First 256 of 2,048 IP addresses in 135.19.56.0/21

135.19.56.0 135.19.56.1 135.19.56.2 135.19.56.3 135.19.56.4 135.19.56.5 135.19.56.6 135.19.56.7 135.19.56.8 135.19.56.9 135.19.56.10 135.19.56.11 135.19.56.12 135.19.56.13 135.19.56.14 135.19.56.15 135.19.56.16 135.19.56.17 135.19.56.18 135.19.56.19 135.19.56.20 135.19.56.21 135.19.56.22 135.19.56.23 135.19.56.24 135.19.56.25 135.19.56.26 135.19.56.27 135.19.56.28 135.19.56.29 135.19.56.30 135.19.56.31 135.19.56.32 135.19.56.33 135.19.56.34 135.19.56.35 135.19.56.36 135.19.56.37 135.19.56.38 135.19.56.39 135.19.56.40 135.19.56.41 135.19.56.42 135.19.56.43 135.19.56.44 135.19.56.45 135.19.56.46 135.19.56.47 135.19.56.48 135.19.56.49 135.19.56.50 135.19.56.51 135.19.56.52 135.19.56.53 135.19.56.54 135.19.56.55 135.19.56.56 135.19.56.57 135.19.56.58 135.19.56.59 135.19.56.60 135.19.56.61 135.19.56.62 135.19.56.63 135.19.56.64 135.19.56.65 135.19.56.66 135.19.56.67 135.19.56.68 135.19.56.69 135.19.56.70 135.19.56.71 135.19.56.72 135.19.56.73 135.19.56.74 135.19.56.75 135.19.56.76 135.19.56.77 135.19.56.78 135.19.56.79 135.19.56.80 135.19.56.81 135.19.56.82 135.19.56.83 135.19.56.84 135.19.56.85 135.19.56.86 135.19.56.87 135.19.56.88 135.19.56.89 135.19.56.90 135.19.56.91 135.19.56.92 135.19.56.93 135.19.56.94 135.19.56.95 135.19.56.96 135.19.56.97 135.19.56.98 135.19.56.99 135.19.56.100 135.19.56.101 135.19.56.102 135.19.56.103 135.19.56.104 135.19.56.105 135.19.56.106 135.19.56.107 135.19.56.108 135.19.56.109 135.19.56.110 135.19.56.111 135.19.56.112 135.19.56.113 135.19.56.114 135.19.56.115 135.19.56.116 135.19.56.117 135.19.56.118 135.19.56.119 135.19.56.120 135.19.56.121 135.19.56.122 135.19.56.123 135.19.56.124 135.19.56.125 135.19.56.126 135.19.56.127 135.19.56.128 135.19.56.129 135.19.56.130 135.19.56.131 135.19.56.132 135.19.56.133 135.19.56.134 135.19.56.135 135.19.56.136 135.19.56.137 135.19.56.138 135.19.56.139 135.19.56.140 135.19.56.141 135.19.56.142 135.19.56.143 135.19.56.144 135.19.56.145 135.19.56.146 135.19.56.147 135.19.56.148 135.19.56.149 135.19.56.150 135.19.56.151 135.19.56.152 135.19.56.153 135.19.56.154 135.19.56.155 135.19.56.156 135.19.56.157 135.19.56.158 135.19.56.159 135.19.56.160 135.19.56.161 135.19.56.162 135.19.56.163 135.19.56.164 135.19.56.165 135.19.56.166 135.19.56.167 135.19.56.168 135.19.56.169 135.19.56.170 135.19.56.171 135.19.56.172 135.19.56.173 135.19.56.174 135.19.56.175 135.19.56.176 135.19.56.177 135.19.56.178 135.19.56.179 135.19.56.180 135.19.56.181 135.19.56.182 135.19.56.183 135.19.56.184 135.19.56.185 135.19.56.186 135.19.56.187 135.19.56.188 135.19.56.189 135.19.56.190 135.19.56.191 135.19.56.192 135.19.56.193 135.19.56.194 135.19.56.195 135.19.56.196 135.19.56.197 135.19.56.198 135.19.56.199 135.19.56.200 135.19.56.201 135.19.56.202 135.19.56.203 135.19.56.204 135.19.56.205 135.19.56.206 135.19.56.207 135.19.56.208 135.19.56.209 135.19.56.210 135.19.56.211 135.19.56.212 135.19.56.213 135.19.56.214 135.19.56.215 135.19.56.216 135.19.56.217 135.19.56.218 135.19.56.219 135.19.56.220 135.19.56.221 135.19.56.222 135.19.56.223 135.19.56.224 135.19.56.225 135.19.56.226 135.19.56.227 135.19.56.228 135.19.56.229 135.19.56.230 135.19.56.231 135.19.56.232 135.19.56.233 135.19.56.234 135.19.56.235 135.19.56.236 135.19.56.237 135.19.56.238 135.19.56.239 135.19.56.240 135.19.56.241 135.19.56.242 135.19.56.243 135.19.56.244 135.19.56.245 135.19.56.246 135.19.56.247 135.19.56.248 135.19.56.249 135.19.56.250 135.19.56.251 135.19.56.252 135.19.56.253 135.19.56.254 135.19.56.255 + 1.8K more (range too large to list inline)

BGP Routing

Live BGP anomalies →

Not announced as an exact prefix — covered by the announced supernet 135.19.0.0/16.

Announced prefix
135.19.0.0/16
Origin AS
AS5769
Announcement samples
4,051
Last seen
2026-07-23 06:21:08

Frequently Asked Questions

What is 135.19.56.0/21?

135.19.56.0/21 is a CIDR network block containing 2,048 IPv4 addresses (from 135.19.56.0 to 135.19.63.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 135.19.56.0/21 network?

The 135.19.56.0/21 range is allocated to Videotron Ltee and announced via AS5769 from Canada.

Last updated: 2026-07-23 06:55:31 UTC
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