CIDR Range
147.153.128.0/19
Addresses
8,192
8.2K
Sub-ranges
2+
within this block
PTR Density
0.0%
1 of 8.2K 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
- Baseline (neutral) 65
- Multiple-origin (MOAS) routing anomaly −12
- Long-established allocation (35y) +6
- Has a reverse-DNS (PTR) record +5
- Trust score 64 / 100
Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →
Ranges inside 147.153.128.0/19
| CIDR | IPs | Organization | ASN | Country |
|---|---|---|---|---|
| 147.153.128.0/20 | 4.1K | University Corporation for Atmospheric Research | AS402584 | US |
| 147.153.144.0/20 | 4.1K | University Corporation for Atmospheric Research | AS402584 | US |
Geolocation
First 256 of 8,192 IP addresses in 147.153.128.0/19
147.153.128.0
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+ 7.9K more (range too large to list inline)
BGP Routing
Live BGP anomalies →Not announced as an exact prefix — covered by the announced supernet 147.153.0.0/16.
Announced prefix
Announcement samples
23,859
Last seen
2026-07-29 21:36:28
Origins seen: AS402584 · 23,859 AS14041 · 4,398
Frequently Asked Questions
What is 147.153.128.0/19?
147.153.128.0/19 is a CIDR network block containing 8,192 IPv4 addresses (from 147.153.128.0 to 147.153.159.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.
Who owns the 147.153.128.0/19 network?
The 147.153.128.0/19 range is allocated to University Corporation for Atmospheric Research and announced via AS402584 from United States.
Last updated: 2026-07-29 21:40:32 UTC
