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Autonomous System

AS9597

KDDI Web Communications Inc.

Announced IPs
276,736
CIDR prefixes
20
ASN
AS9597

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 v1.3.0 — a transparent heuristic, not a definitive verdict. How it works →

Network profile

Source: PeeringDB →
Network type Content
Geographic scope Asia Pacific
Traffic ratio Mostly Outbound
Peering policy Selective
IRR record AS-KWC

Present at 3 internet exchanges: JPIX TOKYO, JPNAP Tokyo: Peering, BBIX Tokyo

Top CIDR ranges

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS9597 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
122.200.192.0/19 17,070 2026-11-07 00:37:48
122.200.224.0/19 16,994 2026-11-07 00:37:48
118.82.96.0/19 16,948 2026-11-07 00:37:48
118.82.64.0/19 16,947 2026-11-07 00:37:48
194.91.0.0/16 16,696 2026-11-07 00:37:48
202.164.224.0/20 16,650 2026-11-07 00:37:48
202.164.240.0/20 16,610 2026-11-07 00:37:48
122.200.192.0/18 16,094 2026-11-07 00:37:12
202.164.224.0/19 15,551 2026-11-07 00:37:12
118.82.64.0/18 15,130 2026-11-07 00:37:12
27.34.160.0/21 15,017 2026-11-07 00:37:50
27.34.128.0/19 15,005 2026-11-07 00:37:50
103.197.12.0/22 14,983 2026-11-07 00:37:50
115.146.0.0/18 14,717 2026-11-07 00:37:50
211.9.192.0/19 14,682 2026-11-07 00:37:50
110.50.192.0/19 14,605 2026-11-07 00:37:50
117.20.96.0/20 14,560 2026-11-07 00:37:50
192.50.199.0/24 14,530 2026-11-07 00:37:50
202.133.112.0/20 14,499 2026-11-07 00:37:50
219.100.168.0/22 14,490 2026-11-07 00:37:50
202.74.16.0/20 14,441 2026-11-07 00:37:50
150.60.0.0/16 14,323 2026-11-07 00:37:53
158.199.128.0/17 14,304 2026-11-07 00:37:53
180.222.80.0/20 14,291 2026-11-07 00:37:53
180.222.72.0/21 14,288 2026-11-07 00:37:53
180.235.224.0/19 14,240 2026-11-07 00:37:53

Frequently Asked Questions

What is AS9597?

AS9597 is an Autonomous System Number assigned to KDDI Web Communications 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 AS9597 announce?

AS9597 announces 276.7K IPv4 addresses distributed across 20 routed CIDR prefixes. The network is registered in Japan.

Who operates AS9597?

AS9597 is operated by KDDI Web Communications Inc.. The organization is based in Japan. You can view all IP ranges and related ASNs on the organization page.

What country is AS9597 registered in?

AS9597 is registered in Japan. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-11-07 02:09:05 UTC
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