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
- Long-established allocation (22y) +6
- Has a reverse-DNS (PTR) record +5
- Trust score 76 / 100
Experimental · trust-vectors model v1.3.0 — a transparent heuristic, not a definitive verdict. How it works →
Ranges inside 157.228.136.0/22
| CIDR | IPs | Organization | ASN | Country |
|---|---|---|---|---|
| 157.228.136.0/23 | 512 | First Server Limited | AS204997 | RU |
| 157.228.136.0/23 | 512 | First Server Limited | AS204997 | AE |
| 157.228.138.0/23 | 512 | First Server Limited | AS205090 | RU |
| 157.228.138.0/23 | 512 | First Server Limited | AS205090 | AE |
Geolocation
First and last addresses in 157.228.136.0/22
157.228.136.0/22 runs from 157.228.136.0 to 157.228.139.255.
RIR Ownership History
Atom feed ⇲Allocation changes captured from regional internet registry (RIR) delegation files, re-imported every six hours.
| Date | Event | From | To |
|---|---|---|---|
| 2026-07-18 | New Allocation | — | AE |
| 2026-07-09 | New Allocation | — | GB |
| 2026-05-10 | RIR Transfer | arin | ripe |
Frequently Asked Questions
What is 157.228.136.0/22?
157.228.136.0/22 is a CIDR network block containing 1,024 IPv4 addresses (from 157.228.136.0 to 157.228.139.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.
Who owns the 157.228.136.0/22 network?
The 157.228.136.0/22 range is allocated to an unknown organization from Russia.
