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.
- Baseline (neutral) 65
- Has a reverse-DNS (PTR) record +5
- Enterprise allocation +4
- Established allocation (10y) +3
- Trust score 77 / 100
Experimental · trust-vectors model v1.3.0 — a transparent heuristic, not a definitive verdict. How it works →
Ranges inside 137.103.144.0/20
| CIDR | IPs | Organization | ASN | Country |
|---|---|---|---|---|
| 137.103.144.0/22 | 1.0K | Breezeline | AS11776 | US |
| 137.103.152.0/22 | 1.0K | Breezeline | AS11776 | US |
| 137.103.156.0/22 | 1.0K | Breezeline | AS11776 | US |
| 137.103.148.0/23 | 512 | Breezeline | AS11776 | US |
| 137.103.151.0/24 | 256 | Breezeline | AS11776 | US |
| 137.103.150.0/25 | 128 | Breezeline | AS11776 | US |
| 137.103.150.128/26 | 64 | Breezeline | AS11776 | US |
| 137.103.150.192/27 | 32 | Breezeline | AS11776 | US |
| 137.103.150.224/28 | 16 | Breezeline | AS11776 | US |
| 137.103.150.248/29 | 8 | Breezeline | AS11776 | US |
| 137.103.150.240/30 | 4 | Breezeline | AS11776 | US |
| 137.103.150.246/31 | 2 | Breezeline | AS11776 | US |
| 137.103.150.245/32 | 1 | Breezeline | AS11776 | US |
| 137.103.150.244/32 | 1 | Breezeline | AS11776 | US |
First and last addresses in 137.103.144.0/20
137.103.144.0/20 runs from 137.103.144.0 to 137.103.159.255.
BGP Routing
Live BGP anomalies →Not announced as an exact prefix — covered by the announced supernet 137.103.128.0/19.
RIR Ownership History
Atom feed ⇲Allocation changes captured from regional internet registry (RIR) delegation files, re-imported every six hours.
| Date | Event | From | To |
|---|---|---|---|
| 2026-05-10 | New Allocation | — | US |
Frequently Asked Questions
What is 137.103.144.0/20?
137.103.144.0/20 is a CIDR network block containing 4,096 IPv4 addresses (from 137.103.144.0 to 137.103.159.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.
Who owns the 137.103.144.0/20 network?
The 137.103.144.0/20 range is allocated to Breezeline and announced via AS11776 from United States.
