AS18221
Morgan Stanley Management Service (Singapore) Pte. Ltd
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
- Trust score 65 / 100
Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 14.142.97.0/24 | 256 |
97.7%
|
Morgan Stanley Management Service Singapore Pte. Ltd | IN | — | — |
| 205.228.37.0/24 | 256 |
0.0%
|
Morgan Stanley Management Service Singapore Pte. Ltd | US | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS18221 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.
| Prefix | Announcement samples | Last seen |
|---|---|---|
| 14.142.97.0/24 | 92,427 | 2026-07-31 03:27:17 |
| 205.228.37.0/24 | 66,324 | 2026-07-31 03:27:17 |
Frequently Asked Questions
What is AS18221?
AS18221 is an Autonomous System Number assigned to Morgan Stanley Management Service (Singapore) Pte. Ltd. An ASN identifies a network that controls a specific set of IP addresses and determines how traffic is routed across the internet via BGP (Border Gateway Protocol).
How many IP addresses does AS18221 announce?
AS18221 announces 512 IPv4 addresses distributed across 2 routed CIDR prefixes. The network is registered in India.
Who operates AS18221?
AS18221 is operated by Morgan Stanley Management Service Singapore Pte. Ltd. The organization is based in India. You can view all IP ranges and related ASNs on the organization page.
What country is AS18221 registered in?
AS18221 is registered in India. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
