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Autonomous System

AS11840

VeriSign Infrastructure & Operations

Announced IPs
5,376
CIDR prefixes
15
ASN
AS11840

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 AS11840 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
209.112.125.0/24 15,296 2026-07-22 22:37:37
64.6.68.0/24 10,530 2026-07-23 20:27:14
64.6.67.0/24 7,135 2026-07-23 20:29:54
69.36.158.0/24 6,483 2026-07-23 20:29:54
209.131.180.0/24 5,000 2026-07-23 20:29:54
209.131.163.0/24 4,984 2026-07-23 20:29:54
72.13.46.0/24 4,934 2026-07-23 20:29:54
209.131.181.0/24 4,899 2026-07-23 20:29:54
216.87.155.0/24 4,887 2026-07-23 20:29:54
199.16.80.0/24 4,844 2026-07-23 20:29:54
199.16.84.0/24 4,827 2026-07-23 20:29:54
72.13.37.0/24 4,820 2026-07-23 20:29:54
216.87.137.0/24 4,816 2026-07-23 20:29:54
69.58.191.0/24 4,815 2026-07-23 20:29:54
72.13.38.0/24 4,812 2026-07-23 20:29:54
209.131.161.0/24 4,802 2026-07-23 20:29:54
199.16.82.0/24 4,801 2026-07-23 20:29:54
199.16.81.0/24 4,796 2026-07-23 20:29:54
209.131.160.0/24 4,791 2026-07-23 20:29:54
216.87.149.0/24 4,701 2026-07-23 20:29:53
209.131.162.0/24 4,641 2026-07-23 20:04:55
216.87.136.0/24 3,428 2026-07-23 20:29:54

Frequently Asked Questions

What is AS11840?

AS11840 is an Autonomous System Number assigned to VeriSign Infrastructure & Operations. 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 AS11840 announce?

AS11840 announces 5.4K IPv4 addresses distributed across 15 routed CIDR prefixes. The network is registered in United States.

Who operates AS11840?

AS11840 is operated by VeriSign Infrastructure & Operations. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.

What country is AS11840 registered in?

AS11840 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 20:25:31 UTC
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