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
- Academic allocation +6
- Long-established allocation (37y) +6
- Trust score 77 / 100
Experimental · trust-vectors model v1.3.0 — a transparent heuristic, not a definitive verdict. How it works →
Geolocation
First and last addresses in 137.22.152.0/22
137.22.152.0/22 runs from 137.22.152.0 to 137.22.155.255.
BGP Routing
Live BGP anomalies →Not announced as an exact prefix — covered by the announced supernet 137.22.128.0/19.
RIR Ownership History
Atom feed ⇲Allocation changes captured from regional internet registry (RIR) delegation files, re-imported every six hours.
| Date | Event | From | To |
|---|---|---|---|
| 2026-10-30 | Deallocation | RU | — |
| 2026-10-30 | New Allocation | — | RU |
| 2026-10-29 | Deallocation | RU | — |
| 2026-10-29 | New Allocation | — | RU |
| 2026-10-24 | Deallocation | RU | — |
| 2026-10-24 | New Allocation | — | RU |
| 2026-10-22 | Deallocation | RU | — |
| 2026-10-22 | New Allocation | — | RU |
| 2026-10-21 | Deallocation | RU | — |
| 2026-10-21 | New Allocation | — | RU |
| 2026-10-20 | Deallocation | SC | — |
| 2026-10-20 | New Allocation | — | RU |
| 2026-10-02 | RIR Transfer | arin | ripe |
| 2026-10-02 | Country Change | US | SC |
Frequently Asked Questions
What is 137.22.152.0/22?
137.22.152.0/22 is a CIDR network block containing 1,024 IPv4 addresses (from 137.22.152.0 to 137.22.155.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.
Who owns the 137.22.152.0/22 network?
The 137.22.152.0/22 range is allocated to Carleton College and announced via AS26557 from United States.
