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CIDR Range

86.56.4.0/23

512 IPs /23 Tele Columbus AG AS20880 Germany RIPE
Addresses
512
512
IP Range
86.56.4.0
→ 86.56.5.255
Sub-ranges
2+
within this block
PTR Density
100.0%
512 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 v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →

Ranges inside 86.56.4.0/23

CIDRIPsOrganizationASNCountry
86.56.4.0/24 256 Tele Columbus AG AS20880 DE
86.56.5.0/24 256 Tele Columbus AG AS20880 DE

Geolocation

First 256 of 512 IP addresses in 86.56.4.0/23

86.56.4.0 86.56.4.1 86.56.4.2 86.56.4.3 86.56.4.4 86.56.4.5 86.56.4.6 86.56.4.7 86.56.4.8 86.56.4.9 86.56.4.10 86.56.4.11 86.56.4.12 86.56.4.13 86.56.4.14 86.56.4.15 86.56.4.16 86.56.4.17 86.56.4.18 86.56.4.19 86.56.4.20 86.56.4.21 86.56.4.22 86.56.4.23 86.56.4.24 86.56.4.25 86.56.4.26 86.56.4.27 86.56.4.28 86.56.4.29 86.56.4.30 86.56.4.31 86.56.4.32 86.56.4.33 86.56.4.34 86.56.4.35 86.56.4.36 86.56.4.37 86.56.4.38 86.56.4.39 86.56.4.40 86.56.4.41 86.56.4.42 86.56.4.43 86.56.4.44 86.56.4.45 86.56.4.46 86.56.4.47 86.56.4.48 86.56.4.49 86.56.4.50 86.56.4.51 86.56.4.52 86.56.4.53 86.56.4.54 86.56.4.55 86.56.4.56 86.56.4.57 86.56.4.58 86.56.4.59 86.56.4.60 86.56.4.61 86.56.4.62 86.56.4.63 86.56.4.64 86.56.4.65 86.56.4.66 86.56.4.67 86.56.4.68 86.56.4.69 86.56.4.70 86.56.4.71 86.56.4.72 86.56.4.73 86.56.4.74 86.56.4.75 86.56.4.76 86.56.4.77 86.56.4.78 86.56.4.79 86.56.4.80 86.56.4.81 86.56.4.82 86.56.4.83 86.56.4.84 86.56.4.85 86.56.4.86 86.56.4.87 86.56.4.88 86.56.4.89 86.56.4.90 86.56.4.91 86.56.4.92 86.56.4.93 86.56.4.94 86.56.4.95 86.56.4.96 86.56.4.97 86.56.4.98 86.56.4.99 86.56.4.100 86.56.4.101 86.56.4.102 86.56.4.103 86.56.4.104 86.56.4.105 86.56.4.106 86.56.4.107 86.56.4.108 86.56.4.109 86.56.4.110 86.56.4.111 86.56.4.112 86.56.4.113 86.56.4.114 86.56.4.115 86.56.4.116 86.56.4.117 86.56.4.118 86.56.4.119 86.56.4.120 86.56.4.121 86.56.4.122 86.56.4.123 86.56.4.124 86.56.4.125 86.56.4.126 86.56.4.127 86.56.4.128 86.56.4.129 86.56.4.130 86.56.4.131 86.56.4.132 86.56.4.133 86.56.4.134 86.56.4.135 86.56.4.136 86.56.4.137 86.56.4.138 86.56.4.139 86.56.4.140 86.56.4.141 86.56.4.142 86.56.4.143 86.56.4.144 86.56.4.145 86.56.4.146 86.56.4.147 86.56.4.148 86.56.4.149 86.56.4.150 86.56.4.151 86.56.4.152 86.56.4.153 86.56.4.154 86.56.4.155 86.56.4.156 86.56.4.157 86.56.4.158 86.56.4.159 86.56.4.160 86.56.4.161 86.56.4.162 86.56.4.163 86.56.4.164 86.56.4.165 86.56.4.166 86.56.4.167 86.56.4.168 86.56.4.169 86.56.4.170 86.56.4.171 86.56.4.172 86.56.4.173 86.56.4.174 86.56.4.175 86.56.4.176 86.56.4.177 86.56.4.178 86.56.4.179 86.56.4.180 86.56.4.181 86.56.4.182 86.56.4.183 86.56.4.184 86.56.4.185 86.56.4.186 86.56.4.187 86.56.4.188 86.56.4.189 86.56.4.190 86.56.4.191 86.56.4.192 86.56.4.193 86.56.4.194 86.56.4.195 86.56.4.196 86.56.4.197 86.56.4.198 86.56.4.199 86.56.4.200 86.56.4.201 86.56.4.202 86.56.4.203 86.56.4.204 86.56.4.205 86.56.4.206 86.56.4.207 86.56.4.208 86.56.4.209 86.56.4.210 86.56.4.211 86.56.4.212 86.56.4.213 86.56.4.214 86.56.4.215 86.56.4.216 86.56.4.217 86.56.4.218 86.56.4.219 86.56.4.220 86.56.4.221 86.56.4.222 86.56.4.223 86.56.4.224 86.56.4.225 86.56.4.226 86.56.4.227 86.56.4.228 86.56.4.229 86.56.4.230 86.56.4.231 86.56.4.232 86.56.4.233 86.56.4.234 86.56.4.235 86.56.4.236 86.56.4.237 86.56.4.238 86.56.4.239 86.56.4.240 86.56.4.241 86.56.4.242 86.56.4.243 86.56.4.244 86.56.4.245 86.56.4.246 86.56.4.247 86.56.4.248 86.56.4.249 86.56.4.250 86.56.4.251 86.56.4.252 86.56.4.253 86.56.4.254 86.56.4.255 + 256 more (range too large to list inline)

BGP Routing

Live BGP anomalies →

Not announced as an exact prefix — covered by the announced supernet 86.56.0.0/17.

Announced prefix
86.56.0.0/17
Origin AS
AS20880
Announcement samples
3,627
Last seen
2026-07-20 01:41:56

Frequently Asked Questions

What is 86.56.4.0/23?

86.56.4.0/23 is a CIDR network block containing 512 IPv4 addresses (from 86.56.4.0 to 86.56.5.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 86.56.4.0/23 network?

The 86.56.4.0/23 range is allocated to Tele Columbus AG and announced via AS20880 from Germany.

Last updated: 2026-07-20 03:55:31 UTC
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