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Autonomous System

AS19524

Comerica Incorporated

Announced IPs
4,864
CIDR prefixes
7
ASN
AS19524

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 v1.2.1 — a transparent heuristic, not a definitive verdict. How it works →

Top CIDR ranges

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS19524 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
170.228.218.0/24 454,913 2026-10-22 09:05:05
170.228.215.0/24 454,804 2026-10-22 09:05:05
170.228.214.0/24 454,706 2026-10-22 09:05:05
170.228.212.0/24 454,645 2026-10-22 09:05:05
170.228.219.0/24 454,546 2026-10-22 09:05:05
170.228.216.0/24 454,451 2026-10-22 09:05:05
170.228.217.0/24 454,302 2026-10-22 09:05:05
170.228.213.0/24 454,024 2026-10-22 09:05:05
170.228.181.0/24 16,699 2026-10-22 09:05:05
170.228.185.0/24 16,689 2026-10-22 09:05:05
170.228.186.0/24 16,683 2026-10-22 09:05:05
170.228.183.0/24 16,680 2026-10-22 09:05:05
170.228.184.0/24 16,678 2026-10-22 09:05:05
170.228.182.0/24 16,675 2026-10-22 09:05:05
170.228.220.0/24 16,629 2026-10-22 09:05:05
170.228.187.0/24 16,619 2026-10-22 09:05:05
170.228.180.0/24 16,618 2026-10-22 09:05:05
170.228.204.0/24 12,508 2026-10-22 09:05:05
170.228.188.0/24 12,483 2026-10-22 09:05:05
12.15.7.0/24 12,324 2026-09-29 17:37:13
12.15.6.0/24 12,256 2026-09-29 17:37:13
170.228.106.0/24 11,539 2026-09-29 17:37:13
170.228.5.0/24 11,502 2026-09-29 17:37:13
170.228.6.0/24 11,467 2026-09-29 17:37:13
170.228.14.0/24 11,423 2026-09-29 17:37:13
170.228.2.0/24 11,423 2026-09-29 17:37:13
170.228.252.0/24 11,419 2026-09-29 17:37:13
170.228.107.0/24 11,397 2026-09-29 17:37:13
170.228.13.0/24 11,392 2026-09-29 17:37:13
170.228.104.0/24 11,391 2026-09-29 17:37:13
170.228.4.0/24 11,375 2026-09-29 17:37:13
170.228.10.0/24 11,370 2026-09-29 17:37:13
170.228.105.0/24 11,370 2026-09-29 17:37:13
170.228.253.0/24 11,358 2026-09-29 17:37:13
170.228.0.0/24 11,358 2026-09-29 17:37:13
170.228.3.0/24 11,358 2026-09-29 17:37:13
170.228.12.0/24 11,353 2026-09-29 17:37:13
170.228.156.0/24 11,352 2026-09-29 17:37:13
170.228.15.0/24 11,351 2026-09-29 17:37:13
170.228.9.0/24 11,351 2026-09-29 17:37:13
170.228.100.0/24 11,350 2026-09-29 17:37:13
170.228.1.0/24 11,348 2026-09-29 17:37:13
170.228.11.0/24 11,331 2026-09-29 17:37:13
170.228.8.0/24 11,327 2026-09-29 17:37:13

Frequently Asked Questions

What is AS19524?

AS19524 is an Autonomous System Number assigned to Comerica Incorporated. 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 AS19524 announce?

AS19524 announces 4.9K IPv4 addresses distributed across 7 routed CIDR prefixes. The network is registered in United States.

Who operates AS19524?

AS19524 is operated by Comerica Incorporated. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.

What country is AS19524 registered in?

AS19524 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: 2026-10-22 09:09:05 UTC
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