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CIDR Range

5.101.80.0/21

2.0K IPs /21 Petersburg Internet Network ltd. AS34665 Russia RIPE
Addresses
2,048
2.0K
IP Range
5.101.80.0
→ 5.101.87.255
Sub-ranges
39+
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.

73/100
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 5.101.80.0/21

CIDRIPsOrganizationASNCountry
5.101.82.0/23 512 GTHost AS63023 RU
5.101.84.0/23 512 GTHost AS63023 RU
5.101.80.0/24 256 Petersburg Internet Network ltd. AS34665 RU
5.101.83.0/24 256 Petersburg Internet Network ltd. AS34665 RU
5.101.83.0/24 256 Petersburg Internet Network ltd. AS34665 GB
5.101.84.0/24 256 Petersburg Internet Network ltd. AS34665 NL
5.101.84.0/24 256 Petersburg Internet Network ltd. AS34665 RU
5.101.84.0/24 256 Petersburg Internet Network ltd. AS34665 NL
5.101.85.0/24 256 Petersburg Internet Network ltd. AS34665 CH
5.101.85.0/24 256 Petersburg Internet Network ltd. AS34665 RU
5.101.85.0/24 256 Petersburg Internet Network ltd. AS34665 CH
5.101.86.0/24 256 Petersburg Internet Network ltd. AS34665 CA
5.101.86.0/24 256 GlobalTeleHost Corp. AS62563 RU
5.101.86.0/24 256 Petersburg Internet Network ltd. AS34665 RU
5.101.86.0/24 256 Petersburg Internet Network ltd. AS34665 CA
5.101.87.0/24 256 Petersburg Internet Network ltd. AS34665 RU
5.101.87.0/24 256 ''it Fruit'' S.r.l. AS56380 RU
5.101.87.0/24 256 Petersburg Internet Network ltd. AS34665 RU
5.101.83.0/24 256 Petersburg Internet Network ltd. AS34665 GB
5.101.87.0/24 256 Petersburg Internet Network ltd. AS34665 MD
5.101.81.0/24 256 GTHost AS63023 RU
5.101.80.0/24 256 Inovare-Prim SRL AS60602 RU
5.101.80.0/24 256 Petersburg Internet Network ltd. AS34665 RU
5.101.80.0/24 256 Petersburg Internet Network ltd. AS34665 MD
5.101.81.0/24 256 Petersburg Internet Network ltd. AS34665 FR
5.101.82.0/24 256 Petersburg Internet Network ltd. AS34665 RU
5.101.81.0/24 256 Petersburg Internet Network ltd. AS34665 RU
5.101.82.0/24 256 Petersburg Internet Network ltd. AS34665 DE
5.101.81.128/25 128 Petersburg Internet Network ltd. AS34665 RU
5.101.81.0/25 128 Petersburg Internet Network ltd. AS34665 PK
5.101.82.192/26 64 Petersburg Internet Network ltd. AS34665 DE
5.101.82.0/26 64 Petersburg Internet Network ltd. AS34665 DE
5.101.82.64/27 32 Petersburg Internet Network ltd. AS34665 RU
5.101.82.128/27 32 Petersburg Internet Network ltd. AS34665 RU
5.101.82.160/27 32 Petersburg Internet Network ltd. AS34665 DE
5.101.82.96/28 16 Petersburg Internet Network ltd. AS34665 RU
5.101.82.120/29 8 Petersburg Internet Network ltd. AS34665 RU
5.101.82.112/30 4 Petersburg Internet Network ltd. AS34665 RU
5.101.82.116/30 4 Petersburg Internet Network ltd. AS34665 DE

First 256 of 2,048 IP addresses in 5.101.80.0/21

5.101.80.0 5.101.80.1 5.101.80.2 5.101.80.3 5.101.80.4 5.101.80.5 5.101.80.6 5.101.80.7 5.101.80.8 5.101.80.9 5.101.80.10 5.101.80.11 5.101.80.12 5.101.80.13 5.101.80.14 5.101.80.15 5.101.80.16 5.101.80.17 5.101.80.18 5.101.80.19 5.101.80.20 5.101.80.21 5.101.80.22 5.101.80.23 5.101.80.24 5.101.80.25 5.101.80.26 5.101.80.27 5.101.80.28 5.101.80.29 5.101.80.30 5.101.80.31 5.101.80.32 5.101.80.33 5.101.80.34 5.101.80.35 5.101.80.36 5.101.80.37 5.101.80.38 5.101.80.39 5.101.80.40 5.101.80.41 5.101.80.42 5.101.80.43 5.101.80.44 5.101.80.45 5.101.80.46 5.101.80.47 5.101.80.48 5.101.80.49 5.101.80.50 5.101.80.51 5.101.80.52 5.101.80.53 5.101.80.54 5.101.80.55 5.101.80.56 5.101.80.57 5.101.80.58 5.101.80.59 5.101.80.60 5.101.80.61 5.101.80.62 5.101.80.63 5.101.80.64 5.101.80.65 5.101.80.66 5.101.80.67 5.101.80.68 5.101.80.69 5.101.80.70 5.101.80.71 5.101.80.72 5.101.80.73 5.101.80.74 5.101.80.75 5.101.80.76 5.101.80.77 5.101.80.78 5.101.80.79 5.101.80.80 5.101.80.81 5.101.80.82 5.101.80.83 5.101.80.84 5.101.80.85 5.101.80.86 5.101.80.87 5.101.80.88 5.101.80.89 5.101.80.90 5.101.80.91 5.101.80.92 5.101.80.93 5.101.80.94 5.101.80.95 5.101.80.96 5.101.80.97 5.101.80.98 5.101.80.99 5.101.80.100 5.101.80.101 5.101.80.102 5.101.80.103 5.101.80.104 5.101.80.105 5.101.80.106 5.101.80.107 5.101.80.108 5.101.80.109 5.101.80.110 5.101.80.111 5.101.80.112 5.101.80.113 5.101.80.114 5.101.80.115 5.101.80.116 5.101.80.117 5.101.80.118 5.101.80.119 5.101.80.120 5.101.80.121 5.101.80.122 5.101.80.123 5.101.80.124 5.101.80.125 5.101.80.126 5.101.80.127 5.101.80.128 5.101.80.129 5.101.80.130 5.101.80.131 5.101.80.132 5.101.80.133 5.101.80.134 5.101.80.135 5.101.80.136 5.101.80.137 5.101.80.138 5.101.80.139 5.101.80.140 5.101.80.141 5.101.80.142 5.101.80.143 5.101.80.144 5.101.80.145 5.101.80.146 5.101.80.147 5.101.80.148 5.101.80.149 5.101.80.150 5.101.80.151 5.101.80.152 5.101.80.153 5.101.80.154 5.101.80.155 5.101.80.156 5.101.80.157 5.101.80.158 5.101.80.159 5.101.80.160 5.101.80.161 5.101.80.162 5.101.80.163 5.101.80.164 5.101.80.165 5.101.80.166 5.101.80.167 5.101.80.168 5.101.80.169 5.101.80.170 5.101.80.171 5.101.80.172 5.101.80.173 5.101.80.174 5.101.80.175 5.101.80.176 5.101.80.177 5.101.80.178 5.101.80.179 5.101.80.180 5.101.80.181 5.101.80.182 5.101.80.183 5.101.80.184 5.101.80.185 5.101.80.186 5.101.80.187 5.101.80.188 5.101.80.189 5.101.80.190 5.101.80.191 5.101.80.192 5.101.80.193 5.101.80.194 5.101.80.195 5.101.80.196 5.101.80.197 5.101.80.198 5.101.80.199 5.101.80.200 5.101.80.201 5.101.80.202 5.101.80.203 5.101.80.204 5.101.80.205 5.101.80.206 5.101.80.207 5.101.80.208 5.101.80.209 5.101.80.210 5.101.80.211 5.101.80.212 5.101.80.213 5.101.80.214 5.101.80.215 5.101.80.216 5.101.80.217 5.101.80.218 5.101.80.219 5.101.80.220 5.101.80.221 5.101.80.222 5.101.80.223 5.101.80.224 5.101.80.225 5.101.80.226 5.101.80.227 5.101.80.228 5.101.80.229 5.101.80.230 5.101.80.231 5.101.80.232 5.101.80.233 5.101.80.234 5.101.80.235 5.101.80.236 5.101.80.237 5.101.80.238 5.101.80.239 5.101.80.240 5.101.80.241 5.101.80.242 5.101.80.243 5.101.80.244 5.101.80.245 5.101.80.246 5.101.80.247 5.101.80.248 5.101.80.249 5.101.80.250 5.101.80.251 5.101.80.252 5.101.80.253 5.101.80.254 5.101.80.255 + 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
5.101.80.0/21
Origin AS
AS34665
Announcement samples
16,553
Last seen
2026-08-30 03:02:02

RIR Ownership History

Atom feed ⇲

Allocation changes captured weekly from regional internet registry (RIR) delegation files.

Date Event From To
2026-05-10 New Allocation — RU

Frequently Asked Questions

What is 5.101.80.0/21?

5.101.80.0/21 is a CIDR network block containing 2,048 IPv4 addresses (from 5.101.80.0 to 5.101.87.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 5.101.80.0/21 network?

The 5.101.80.0/21 range is allocated to Petersburg Internet Network ltd. and announced via AS34665 from Russia.

Last updated: 2026-08-30 03:54:06 UTC
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