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Autonomous System

AS53257

The Citadel

Announced IPs
61,440
CIDR prefixes
21
ASN
AS53257

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.

65/100
Moderate
How this score is built

Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →

Top CIDR ranges

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS53257 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
155.225.4.0/23 7,477 2026-09-14 11:34:13
155.225.8.0/21 7,471 2026-09-14 11:34:13
155.225.48.0/23 7,461 2026-09-14 11:34:13
155.225.60.0/24 7,456 2026-09-14 11:34:13
155.225.65.0/24 7,455 2026-09-14 11:34:13
155.225.72.0/21 7,450 2026-09-14 11:34:13
155.225.7.0/24 7,449 2026-09-14 11:34:13
155.225.70.0/24 7,440 2026-09-14 11:34:13
155.225.68.0/23 7,436 2026-09-14 11:34:13
155.225.32.0/20 7,430 2026-09-14 11:34:13
155.225.224.0/19 7,429 2026-09-14 11:34:13
155.225.66.0/23 7,428 2026-09-14 11:34:13
155.225.16.0/20 7,428 2026-09-14 11:34:13
155.225.96.0/19 7,428 2026-09-14 11:34:13
155.225.160.0/19 7,427 2026-09-14 11:34:13
155.225.80.0/20 7,425 2026-09-14 11:34:13
155.225.52.0/22 7,421 2026-09-14 11:34:13
155.225.200.0/21 7,421 2026-09-14 11:34:13
155.225.128.0/19 7,416 2026-09-14 11:34:13
155.225.0.0/22 7,416 2026-09-14 11:34:13
155.225.208.0/20 7,415 2026-09-14 11:34:13
155.225.56.0/22 7,397 2026-09-14 11:34:13

Frequently Asked Questions

What is AS53257?

AS53257 is an Autonomous System Number assigned to The Citadel. 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 AS53257 announce?

AS53257 announces 61.4K IPv4 addresses distributed across 21 routed CIDR prefixes. The network is registered in United States.

Who operates AS53257?

AS53257 is operated by The Citadel. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.

What country is AS53257 registered in?

AS53257 is registered in United States. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-09-14 11:39:06 UTC
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