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Autonomous System

AS12033

Adams TelSystems, Inc.

Announced IPs
40,960
CIDR prefixes
6
ASN
AS12033

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 v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →

Network profile

Source: PeeringDB →
Network type Cable/DSL/ISP
Traffic level 50-100Gbps
Geographic scope Regional
Traffic ratio Mostly Inbound
Peering policy Selective
IRR record AS-ADAMSTEL

Present at 1 internet exchange: Equinix Chicago

AS12033 — global IP footprint

Cities where AS12033 has measurable IPv4 allocation. Click any dot to open that city's page. Size and color scale with IP count.

View on 3D globe →

Top CIDR ranges

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS12033 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
75.98.176.0/20 4,798 2026-07-23 17:53:19
66.226.96.0/19 4,730 2026-07-23 17:53:19
206.71.192.0/19 4,637 2026-07-23 17:53:19
159.48.96.0/19 4,608 2026-07-23 17:53:19
216.138.0.0/20 4,594 2026-07-23 17:53:19
216.138.32.0/20 4,578 2026-07-23 17:53:19
216.138.16.0/20 4,562 2026-07-23 17:53:19
159.48.120.6/32 6 2026-07-19 00:16:27
216.138.47.218/32 4 2026-07-20 03:11:28
75.98.184.20/32 2 2026-05-31 22:30:38
75.98.186.160/32 2 2026-06-21 19:21:39
66.226.125.12/32 2 2026-07-20 17:35:36
159.48.111.247/32 2 2026-07-21 01:23:00
66.226.123.139/32 2 2026-06-05 00:54:06
216.138.36.220/32 2 2026-07-09 18:55:44

Frequently Asked Questions

What is AS12033?

AS12033 is an Autonomous System Number assigned to Adams TelSystems, Inc.. 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 AS12033 announce?

AS12033 announces 41.0K IPv4 addresses distributed across 6 routed CIDR prefixes. The network is registered in United States.

Who operates AS12033?

AS12033 is operated by Adams TelSystems, Inc.. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.

What country is AS12033 registered in?

AS12033 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: 2026-07-23 18:55:31 UTC
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