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
- Academic allocation +6
- Trust score 71 / 100
Experimental · trust-vectors model v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 142.66.0.0/16 | 65.5K |
0.2%
|
University of Lethbridge | CA | Alberta | Lethbridge |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS11257 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 |
|---|---|---|
| 142.66.0.0/16 | 7,396 | 2026-07-20 09:06:12 |
Frequently Asked Questions
What is AS11257?
AS11257 is an Autonomous System Number assigned to University of Lethbridge. 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 AS11257 announce?
AS11257 announces 65.5K IPv4 addresses distributed across 1 routed CIDR prefixes. The network is registered in Canada.
Who operates AS11257?
AS11257 is operated by University of Lethbridge. The organization is based in Canada. You can view all IP ranges and related ASNs on the organization page.
What country is AS11257 registered in?
AS11257 is registered in Canada. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
