102.129.120.0/21 CIDR Lookup — 2.0K IPs Owned…

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

Baseline (neutral) 65
Has a reverse-DNS (PTR) record +5
Established allocation (8y) +3
Trust score 73 / 100

Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →

Ranges inside 102.129.120.0/21

CIDR	IPs	Organization	ASN	Country
102.129.124.0/22	1.0K	XISASN	AS37150	ZA
102.129.122.0/23	512	XISASN	AS37150	ZA
102.129.124.0/23	512	XISASN	AS37150	ZA
102.129.120.0/24	256	XISASN	AS37150	ZA
102.129.121.0/24	256	XISASN	AS37150	ZA
102.129.126.0/24	256	XISASN	AS37150	ZA
102.129.127.0/24	256	XISASN	AS37150	ZA

Geolocation

First 256 of 2,048 IP addresses in 102.129.120.0/21

102.129.120.0 102.129.120.1 102.129.120.2 102.129.120.3 102.129.120.4 102.129.120.5 102.129.120.6 102.129.120.7 102.129.120.8 102.129.120.9 102.129.120.10 102.129.120.11 102.129.120.12 102.129.120.13 102.129.120.14 102.129.120.15 102.129.120.16 102.129.120.17 102.129.120.18 102.129.120.19 102.129.120.20 102.129.120.21 102.129.120.22 102.129.120.23 102.129.120.24 102.129.120.25 102.129.120.26 102.129.120.27 102.129.120.28 102.129.120.29 102.129.120.30 102.129.120.31 102.129.120.32 102.129.120.33 102.129.120.34 102.129.120.35 102.129.120.36 102.129.120.37 102.129.120.38 102.129.120.39 102.129.120.40 102.129.120.41 102.129.120.42 102.129.120.43 102.129.120.44 102.129.120.45 102.129.120.46 102.129.120.47 102.129.120.48 102.129.120.49 102.129.120.50 102.129.120.51 102.129.120.52 102.129.120.53 102.129.120.54 102.129.120.55 102.129.120.56 102.129.120.57 102.129.120.58 102.129.120.59 102.129.120.60 102.129.120.61 102.129.120.62 102.129.120.63 102.129.120.64 102.129.120.65 102.129.120.66 102.129.120.67 102.129.120.68 102.129.120.69 102.129.120.70 102.129.120.71 102.129.120.72 102.129.120.73 102.129.120.74 102.129.120.75 102.129.120.76 102.129.120.77 102.129.120.78 102.129.120.79 102.129.120.80 102.129.120.81 102.129.120.82 102.129.120.83 102.129.120.84 102.129.120.85 102.129.120.86 102.129.120.87 102.129.120.88 102.129.120.89 102.129.120.90 102.129.120.91 102.129.120.92 102.129.120.93 102.129.120.94 102.129.120.95 102.129.120.96 102.129.120.97 102.129.120.98 102.129.120.99 102.129.120.100 102.129.120.101 102.129.120.102 102.129.120.103 102.129.120.104 102.129.120.105 102.129.120.106 102.129.120.107 102.129.120.108 102.129.120.109 102.129.120.110 102.129.120.111 102.129.120.112 102.129.120.113 102.129.120.114 102.129.120.115 102.129.120.116 102.129.120.117 102.129.120.118 102.129.120.119 102.129.120.120 102.129.120.121 102.129.120.122 102.129.120.123 102.129.120.124 102.129.120.125 102.129.120.126 102.129.120.127 102.129.120.128 102.129.120.129 102.129.120.130 102.129.120.131 102.129.120.132 102.129.120.133 102.129.120.134 102.129.120.135 102.129.120.136 102.129.120.137 102.129.120.138 102.129.120.139 102.129.120.140 102.129.120.141 102.129.120.142 102.129.120.143 102.129.120.144 102.129.120.145 102.129.120.146 102.129.120.147 102.129.120.148 102.129.120.149 102.129.120.150 102.129.120.151 102.129.120.152 102.129.120.153 102.129.120.154 102.129.120.155 102.129.120.156 102.129.120.157 102.129.120.158 102.129.120.159 102.129.120.160 102.129.120.161 102.129.120.162 102.129.120.163 102.129.120.164 102.129.120.165 102.129.120.166 102.129.120.167 102.129.120.168 102.129.120.169 102.129.120.170 102.129.120.171 102.129.120.172 102.129.120.173 102.129.120.174 102.129.120.175 102.129.120.176 102.129.120.177 102.129.120.178 102.129.120.179 102.129.120.180 102.129.120.181 102.129.120.182 102.129.120.183 102.129.120.184 102.129.120.185 102.129.120.186 102.129.120.187 102.129.120.188 102.129.120.189 102.129.120.190 102.129.120.191 102.129.120.192 102.129.120.193 102.129.120.194 102.129.120.195 102.129.120.196 102.129.120.197 102.129.120.198 102.129.120.199 102.129.120.200 102.129.120.201 102.129.120.202 102.129.120.203 102.129.120.204 102.129.120.205 102.129.120.206 102.129.120.207 102.129.120.208 102.129.120.209 102.129.120.210 102.129.120.211 102.129.120.212 102.129.120.213 102.129.120.214 102.129.120.215 102.129.120.216 102.129.120.217 102.129.120.218 102.129.120.219 102.129.120.220 102.129.120.221 102.129.120.222 102.129.120.223 102.129.120.224 102.129.120.225 102.129.120.226 102.129.120.227 102.129.120.228 102.129.120.229 102.129.120.230 102.129.120.231 102.129.120.232 102.129.120.233 102.129.120.234 102.129.120.235 102.129.120.236 102.129.120.237 102.129.120.238 102.129.120.239 102.129.120.240 102.129.120.241 102.129.120.242 102.129.120.243 102.129.120.244 102.129.120.245 102.129.120.246 102.129.120.247 102.129.120.248 102.129.120.249 102.129.120.250 102.129.120.251 102.129.120.252 102.129.120.253 102.129.120.254 102.129.120.255 + 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

102.129.120.0/21

Origin AS

AS37150

Announcement samples

8,806

Last seen

2026-07-29 17:37:30

RIR Ownership History

Atom feed ⇲

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

Date	Event	From	To	RIR
2026-05-10	RIR Transfer	apnic	afrinic	afrinic

Frequently Asked Questions

What is 102.129.120.0/21?

102.129.120.0/21 is a CIDR network block containing 2,048 IPv4 addresses (from 102.129.120.0 to 102.129.127.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 102.129.120.0/21 network?

The 102.129.120.0/21 range is allocated to XISASN and announced via AS37150 from South Africa.