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 (26y) +6
- Has a reverse-DNS (PTR) record +5
- Isp allocation +5
- Trust score 81 / 100
Experimental · trust-vectors model v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →
Ranges inside 64.138.141.36/30
| CIDR | IPs | Organization | ASN | Country |
|---|---|---|---|---|
| 64.138.141.36/31 | 2 | Masergy Communications, Inc. | AS19855 | US |
| 64.138.141.36/31 | 2 | Masergy Communications, Inc. | AS19855 | SG |
| 64.138.141.38/31 | 2 | Masergy Communications, Inc. | AS19855 | US |
| 64.138.141.38/31 | 2 | Masergy Communications, Inc. | AS19855 | US |
All 4 IP addresses in 64.138.141.36/30
BGP Routing
Live BGP anomalies →Not announced as an exact prefix — covered by the announced supernet 64.138.128.0/18.
RIR Ownership History
Atom feed ⇲Allocation changes captured weekly from regional internet registry (RIR) delegation files.
| Date | Event | From | To |
|---|---|---|---|
| 2026-05-10 | New Allocation | — | US |
Frequently Asked Questions
What is 64.138.141.36/30?
64.138.141.36/30 is a CIDR network block containing 4 IPv4 addresses (from 64.138.141.36 to 64.138.141.39). CIDR notation combines an IP address with a prefix length to define a range of addresses.
Who owns the 64.138.141.36/30 network?
The 64.138.141.36/30 range is allocated to Masergy Communications, Inc. and announced via AS19855 from Singapore.
How many IP addresses are in 64.138.141.36/30?
64.138.141.36/30 contains exactly 4 usable IPv4 addresses. A /30 prefix length means 4 addresses are covered by this single routing entry.
