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 v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →
About Library of Congress
The Library of Congress (LOC) is a research library in Washington, D.C., serving as the library and research service for the United States Congress and the de facto national library of the United States. It also administers copyright law through the United States Copyright Office, and it houses the Congressional Research Service.
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 140.147.0.0/16 | 65.5K |
0.0%
|
Library of Congress | US | District of Columbia | Washington |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS2532 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 |
|---|---|---|
| 140.147.0.0/16 | 13,011 | 2026-07-23 15:53:48 |
Frequently Asked Questions
What is AS2532?
AS2532 is an Autonomous System Number assigned to Library of Congress. 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 AS2532 announce?
AS2532 announces 65.5K IPv4 addresses distributed across 1 routed CIDR prefixes. The network is registered in United States.
Who operates AS2532?
AS2532 is operated by Library of Congress. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.
What country is AS2532 registered in?
AS2532 is registered in United States. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
