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Autonomous System

AS30136

Adams 12

Announced IPs
8,704
CIDR prefixes
3
ASN
AS30136

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

CIDRIPsPTR DensityOrganizationCountryStateCity
204.228.96.0/19 8.2K
0.0%
Adams 12 US Colorado Thornton
129.19.151.0/24 256
0.4%
Adams 12 US
129.19.152.0/24 256
0.4%
Adams 12 US

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS30136 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
204.228.96.0/24 10,444 2026-07-23 20:44:06
204.228.97.0/24 10,049 2026-07-23 20:44:06
204.228.96.0/19 6,117 2026-07-23 20:43:50
129.19.151.0/24 79 2026-07-23 09:35:44
129.19.152.0/24 79 2026-07-23 09:35:44

Frequently Asked Questions

What is AS30136?

AS30136 is an Autonomous System Number assigned to Adams 12. 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 AS30136 announce?

AS30136 announces 8.7K IPv4 addresses distributed across 3 routed CIDR prefixes. The network is registered in United States.

Who operates AS30136?

AS30136 is operated by Adams 12. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.

What country is AS30136 registered in?

AS30136 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 22:10:32 UTC
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