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 v1.2.1 — a transparent heuristic, not a definitive verdict. How it works →
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 207.57.80.0/20 | 4.1K |
0.0%
|
Nebula Global Limited | US | — | — |
| 207.57.96.0/21 | 2.0K |
0.0%
|
Nebula Global Limited | US | — | — |
| 154.38.100.0/22 | 1.0K |
0.0%
|
Cogent Communications, LLC | US | — | — |
| 154.38.244.0/22 | 1.0K |
0.0%
|
Cogent Communications, LLC | US | — | — |
| 154.38.74.0/23 | 512 |
0.0%
|
Cogent Communications, LLC | US | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS211512 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 |
|---|---|---|
| 207.57.80.0/20 | 31,647 | 2026-10-15 15:03:08 |
| 207.57.96.0/21 | 31,603 | 2026-10-15 15:03:08 |
| 154.38.247.0/24 | 28,782 | 2026-10-15 15:03:08 |
| 154.38.246.0/24 | 28,739 | 2026-10-15 15:03:08 |
| 154.38.100.0/24 | 28,703 | 2026-10-15 15:03:08 |
| 154.38.244.0/24 | 28,678 | 2026-10-15 15:03:08 |
| 154.38.74.0/24 | 28,602 | 2026-10-15 15:03:08 |
| 154.38.75.0/24 | 28,552 | 2026-10-15 15:03:08 |
| 154.38.101.0/24 | 28,547 | 2026-10-15 15:03:08 |
| 154.38.245.0/24 | 28,531 | 2026-10-15 15:03:08 |
| 154.38.102.0/24 | 28,525 | 2026-10-15 15:03:08 |
| 154.38.103.0/24 | 28,517 | 2026-10-15 15:03:08 |
Frequently Asked Questions
What is AS211512?
AS211512 is an Autonomous System Number assigned to Nebula Global Limited. 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 AS211512 announce?
AS211512 announces 8.7K IPv4 addresses distributed across 5 routed CIDR prefixes. The network is registered in Hong Kong.
Who operates AS211512?
AS211512 is operated by Nebula Global Limited. The organization is based in Hong Kong. You can view all IP ranges and related ASNs on the organization page.
What country is AS211512 registered in?
AS211512 is registered in Hong Kong. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
