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 |
|---|---|---|---|---|---|---|
| 216.245.20.0/24 | 256 |
0.4%
|
ModusLink Corporation | US | — | — |
| 216.245.40.0/24 | 256 |
0.0%
|
ModusLink Corporation | US | — | — |
| 216.245.47.0/24 | 256 |
0.0%
|
ModusLink Corporation | US | — | — |
| 216.245.51.0/24 | 256 |
0.0%
|
ModusLink Corporation | US | — | — |
| 216.245.40.0/25 | 128 |
0.0%
|
ModusLink Corporation | NL | — | — |
| 216.245.40.128/25 | 128 |
0.0%
|
ModusLink Corporation | US | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS11521 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 |
|---|---|---|
| 216.245.51.0/24 | 13,107 | 2026-07-27 18:43:10 |
| 216.245.47.0/24 | 7,172 | 2026-07-27 18:43:10 |
| 216.245.40.0/24 | 3,972 | 2026-07-27 18:51:57 |
| 216.245.20.0/24 | 3,737 | 2026-07-27 18:43:10 |
Frequently Asked Questions
What is AS11521?
AS11521 is an Autonomous System Number assigned to ModusLink Corporation. 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 AS11521 announce?
AS11521 announces 1.0K IPv4 addresses distributed across 4 routed CIDR prefixes. The network is registered in United States.
Who operates AS11521?
AS11521 is operated by ModusLink Corporation. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.
What country is AS11521 registered in?
AS11521 is registered in United States. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
