131.221.137.54
low
First sighted: May 29, 2025, 3 a.m. · Last sighted: Feb. 27, 2026, 2 a.m.
Daily activity (hits per day) and basic HTTP rollup counters for this ASN.
Heatmap of annotator × severity. Darker cells mean more volume in that band. Tip: switch to Weighted points to see what drives impact (not just noise).
Response mix grouped by status class (2xx/3xx/4xx/5xx). Auto-loads a single aggregation and renders a donut.
Live geolocation and map tiles auto-load for this ASN snapshot (peer IPs with coordinates).
Top risky peers inside this ASN (latest snapshot). Sorted by risk score, then hits.
131.221.137.54
low
131.221.137.60
low
131.221.137.25
low
131.221.137.98
low
131.221.137.161
low
131.221.139.120
low
131.221.137.158
low
131.221.137.163
low
131.221.137.176
low
131.221.137.198
low
131.221.137.251
low
131.221.138.37
low
131.221.138.109
low
131.221.139.239
low
131.221.137.12
low
131.221.137.28
low
131.221.137.36
low
131.221.137.53
low
131.221.137.65
low
131.221.137.67
low
131.221.137.78
low
131.221.137.113
low
131.221.137.140
low
131.221.137.143
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131.221.137.148
low
131.221.137.151
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131.221.137.157
low
131.221.137.188
low
131.221.137.195
low
131.221.137.210
low
131.221.137.213
low
131.221.137.217
low
131.221.137.248
low
131.221.137.254
low
131.221.138.15
low
131.221.138.31
low
131.221.138.67
low
131.221.138.114
low
131.221.138.115
low
131.221.139.170
low
131.221.139.241
low