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Autonomous System

AS18490

NTT Global Networks Incorporated

Announced IPs
1,024
CIDR prefixes
4
ASN
AS18490

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.

70/100
Moderate
How this score is built

Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →

Network profile

Source: PeeringDB →
Network type NSP
Geographic scope Not Disclosed
Traffic ratio Not Disclosed
Peering policy Selective
IRR record AS18490

Top CIDR ranges

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS18490 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
64.254.115.0/24 6,561 2026-07-28 09:30:34
207.179.26.0/24 6,550 2026-07-28 09:30:34
64.254.105.0/24 6,373 2026-07-28 09:30:34
74.84.168.0/24 6,367 2026-07-28 09:30:34

Frequently Asked Questions

What is AS18490?

AS18490 is an Autonomous System Number assigned to NTT Global Networks 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 AS18490 announce?

AS18490 announces 1.0K IPv4 addresses distributed across 4 routed CIDR prefixes. The network is registered in United States.

Who operates AS18490?

AS18490 is operated by NTT Global Networks Incorporated. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.

What country is AS18490 registered in?

AS18490 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: 2026-07-28 10:10:31 UTC
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