Addresses
32,768
32.8K
Sub-ranges
5+
within this block
PTR Density
0.0%
9 of 32.8K 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.
70/100
Moderate
How this score is built
- Baseline (neutral) 65
- Has a reverse-DNS (PTR) record +5
- Trust score 70 / 100
Experimental · trust-vectors model v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →
Ranges inside 102.37.128.0/17
| CIDR | IPs | Organization | ASN | Country |
|---|---|---|---|---|
| 102.37.192.0/18 | 16.4K | Microsoft Corporation | AS8075 | ZA |
| 102.37.128.0/19 | 8.2K | Microsoft Corporation | AS8075 | ZA |
| 102.37.176.0/20 | 4.1K | Microsoft Corporation | AS8075 | ZA |
| 102.37.160.0/21 | 2.0K | Microsoft Corporation | AS8075 | ZA |
| 102.37.168.0/21 | 2.0K | Microsoft Corporation | AS8075 | ZA |
First 256 of 32,768 IP addresses in 102.37.128.0/17
102.37.128.0
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+ 32.5K 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
Origin AS
Announcement samples
12,129
Last seen
2026-07-18 06:45:35
RIR Ownership History
Atom feed ⇲Allocation changes captured weekly from regional internet registry (RIR) delegation files.
| Date | Event | From | To |
|---|---|---|---|
| 2026-05-10 | RIR Transfer | apnic | afrinic |
Frequently Asked Questions
What is 102.37.128.0/17?
102.37.128.0/17 is a CIDR network block containing 32,768 IPv4 addresses (from 102.37.128.0 to 102.37.255.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.
Who owns the 102.37.128.0/17 network?
The 102.37.128.0/17 range is allocated to Microsoft Corporation and announced via AS8075 from South Africa.
Last updated: 2026-07-18 11:40:32 UTC
