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Autonomous System

AS197039

Nomura International Plc

Announced IPs
5,632
CIDR prefixes
17
ASN
AS197039

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 AS197039 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
147.62.3.0/24 12,258 2026-07-31 12:46:30
147.62.177.0/24 9,105 2026-07-31 12:54:13
194.36.241.0/24 9,042 2026-07-31 12:54:13
147.62.230.0/24 9,021 2026-07-31 12:42:48
85.119.27.0/24 9,020 2026-07-31 12:42:48
85.119.28.0/24 9,017 2026-07-31 12:42:48
85.119.25.0/24 8,278 2026-07-31 12:48:04
85.119.26.0/24 8,198 2026-07-31 12:48:04
194.36.240.0/24 8,175 2026-07-31 12:48:04
147.62.2.0/24 8,146 2026-07-31 12:48:04
147.62.86.0/24 8,111 2026-07-31 12:48:04
147.62.65.0/24 8,108 2026-07-31 12:52:23
147.62.80.0/24 7,666 2026-07-31 12:46:30
147.62.228.0/24 7,640 2026-07-31 12:39:27
147.62.231.0/24 7,614 2026-07-31 12:39:27
147.62.224.0/24 7,609 2026-07-31 12:39:27
147.62.227.0/24 7,597 2026-07-31 12:39:27
147.62.87.0/24 7,569 2026-07-31 12:39:27
147.62.84.0/24 7,563 2026-07-31 12:39:27
147.62.83.0/24 7,527 2026-07-31 12:39:27
147.62.75.0/24 4,657 2026-07-31 12:35:28
147.62.187.0/24 4,607 2026-07-31 12:35:28

Frequently Asked Questions

What is AS197039?

AS197039 is an Autonomous System Number assigned to Nomura International Plc. 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 AS197039 announce?

AS197039 announces 5.6K IPv4 addresses distributed across 17 routed CIDR prefixes. The network is registered in United States.

Who operates AS197039?

AS197039 is operated by Nomura International Plc. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.

What country is AS197039 registered in?

AS197039 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: 2026-07-31 12:55:31 UTC
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