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CIDR Range

98.158.136.0/21

2.0K IPs /21 Colosseum Online, Inc. AS19842 Canada ARIN
Addresses
2,048
2.0K
IP Range
98.158.136.0
→ 98.158.143.255
Sub-ranges
6+
within this block
PTR Density
31.6%
647 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.

64/100
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 98.158.136.0/21

CIDRIPsOrganizationASNCountry
98.158.140.0/22 1.0K Colosseum Online, Inc. AS19842 CA
98.158.136.0/23 512 Colosseum Online, Inc. AS19842 CA
98.158.139.0/24 256 Colosseum Online, Inc. AS19842 CA
98.158.138.0/25 128 Colosseum Online, Inc. AS19842 CA
98.158.138.128/26 64 Colosseum Online, Inc. AS19842 CA
98.158.138.192/26 64 Colosseum Online, Inc. AS19842 CA

First 256 of 2,048 IP addresses in 98.158.136.0/21

98.158.136.0 98.158.136.1 98.158.136.2 98.158.136.3 98.158.136.4 98.158.136.5 98.158.136.6 98.158.136.7 98.158.136.8 98.158.136.9 98.158.136.10 98.158.136.11 98.158.136.12 98.158.136.13 98.158.136.14 98.158.136.15 98.158.136.16 98.158.136.17 98.158.136.18 98.158.136.19 98.158.136.20 98.158.136.21 98.158.136.22 98.158.136.23 98.158.136.24 98.158.136.25 98.158.136.26 98.158.136.27 98.158.136.28 98.158.136.29 98.158.136.30 98.158.136.31 98.158.136.32 98.158.136.33 98.158.136.34 98.158.136.35 98.158.136.36 98.158.136.37 98.158.136.38 98.158.136.39 98.158.136.40 98.158.136.41 98.158.136.42 98.158.136.43 98.158.136.44 98.158.136.45 98.158.136.46 98.158.136.47 98.158.136.48 98.158.136.49 98.158.136.50 98.158.136.51 98.158.136.52 98.158.136.53 98.158.136.54 98.158.136.55 98.158.136.56 98.158.136.57 98.158.136.58 98.158.136.59 98.158.136.60 98.158.136.61 98.158.136.62 98.158.136.63 98.158.136.64 98.158.136.65 98.158.136.66 98.158.136.67 98.158.136.68 98.158.136.69 98.158.136.70 98.158.136.71 98.158.136.72 98.158.136.73 98.158.136.74 98.158.136.75 98.158.136.76 98.158.136.77 98.158.136.78 98.158.136.79 98.158.136.80 98.158.136.81 98.158.136.82 98.158.136.83 98.158.136.84 98.158.136.85 98.158.136.86 98.158.136.87 98.158.136.88 98.158.136.89 98.158.136.90 98.158.136.91 98.158.136.92 98.158.136.93 98.158.136.94 98.158.136.95 98.158.136.96 98.158.136.97 98.158.136.98 98.158.136.99 98.158.136.100 98.158.136.101 98.158.136.102 98.158.136.103 98.158.136.104 98.158.136.105 98.158.136.106 98.158.136.107 98.158.136.108 98.158.136.109 98.158.136.110 98.158.136.111 98.158.136.112 98.158.136.113 98.158.136.114 98.158.136.115 98.158.136.116 98.158.136.117 98.158.136.118 98.158.136.119 98.158.136.120 98.158.136.121 98.158.136.122 98.158.136.123 98.158.136.124 98.158.136.125 98.158.136.126 98.158.136.127 98.158.136.128 98.158.136.129 98.158.136.130 98.158.136.131 98.158.136.132 98.158.136.133 98.158.136.134 98.158.136.135 98.158.136.136 98.158.136.137 98.158.136.138 98.158.136.139 98.158.136.140 98.158.136.141 98.158.136.142 98.158.136.143 98.158.136.144 98.158.136.145 98.158.136.146 98.158.136.147 98.158.136.148 98.158.136.149 98.158.136.150 98.158.136.151 98.158.136.152 98.158.136.153 98.158.136.154 98.158.136.155 98.158.136.156 98.158.136.157 98.158.136.158 98.158.136.159 98.158.136.160 98.158.136.161 98.158.136.162 98.158.136.163 98.158.136.164 98.158.136.165 98.158.136.166 98.158.136.167 98.158.136.168 98.158.136.169 98.158.136.170 98.158.136.171 98.158.136.172 98.158.136.173 98.158.136.174 98.158.136.175 98.158.136.176 98.158.136.177 98.158.136.178 98.158.136.179 98.158.136.180 98.158.136.181 98.158.136.182 98.158.136.183 98.158.136.184 98.158.136.185 98.158.136.186 98.158.136.187 98.158.136.188 98.158.136.189 98.158.136.190 98.158.136.191 98.158.136.192 98.158.136.193 98.158.136.194 98.158.136.195 98.158.136.196 98.158.136.197 98.158.136.198 98.158.136.199 98.158.136.200 98.158.136.201 98.158.136.202 98.158.136.203 98.158.136.204 98.158.136.205 98.158.136.206 98.158.136.207 98.158.136.208 98.158.136.209 98.158.136.210 98.158.136.211 98.158.136.212 98.158.136.213 98.158.136.214 98.158.136.215 98.158.136.216 98.158.136.217 98.158.136.218 98.158.136.219 98.158.136.220 98.158.136.221 98.158.136.222 98.158.136.223 98.158.136.224 98.158.136.225 98.158.136.226 98.158.136.227 98.158.136.228 98.158.136.229 98.158.136.230 98.158.136.231 98.158.136.232 98.158.136.233 98.158.136.234 98.158.136.235 98.158.136.236 98.158.136.237 98.158.136.238 98.158.136.239 98.158.136.240 98.158.136.241 98.158.136.242 98.158.136.243 98.158.136.244 98.158.136.245 98.158.136.246 98.158.136.247 98.158.136.248 98.158.136.249 98.158.136.250 98.158.136.251 98.158.136.252 98.158.136.253 98.158.136.254 98.158.136.255 + 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 98.158.128.0/20.

Announced prefix
98.158.128.0/20
Origin AS
AS33549
⚠ 2 origins (MOAS)
Announcement samples
4,917
Last seen
2026-07-22 02:25:11
Origins seen: AS33549 · 4,917 AS19842 · 3,248

Frequently Asked Questions

What is 98.158.136.0/21?

98.158.136.0/21 is a CIDR network block containing 2,048 IPv4 addresses (from 98.158.136.0 to 98.158.143.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 98.158.136.0/21 network?

The 98.158.136.0/21 range is allocated to Colosseum Online, Inc. and announced via AS19842 from Canada.

Last updated: 2026-07-24 03:10:32 UTC
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