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Autonomous System

AS7511

SYNAPSE Co.,Ltd.

Announced IPs
78,848
CIDR prefixes
17
ASN
AS7511

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 →

Network profile

Source: PeeringDB →
Network type Cable/DSL/ISP
Traffic level 20-50Gbps
Geographic scope Asia Pacific
Traffic ratio Mostly Inbound
Peering policy Open
IRR record AS7511:AS-SYNAPSE AS7511:AS-SYNAPSE-IPV6

Present at 13 internet exchanges: JPIX TOKYO, BBIX Tokyo, BBIX Osaka, JPIX OSAKA, JPIX FUKUOKA, JPNAP Fukuoka, BBIX Singapore, BBIX Hong Kong, BBIX US-West, BBIX Amsterdam, …

Top CIDR ranges

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS7511 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
202.95.32.0/19 8,786 2026-07-25 10:23:05
124.146.64.0/19 8,768 2026-07-25 10:23:05
124.146.96.0/19 8,749 2026-07-25 10:23:05
203.147.112.0/20 8,749 2026-07-25 10:23:05
210.146.80.0/20 8,721 2026-07-25 10:23:05
210.237.32.0/19 8,670 2026-07-25 10:23:05
203.111.192.0/20 8,626 2026-07-25 10:23:05
103.53.120.0/22 8,597 2026-07-25 10:23:05
203.145.96.0/20 8,536 2026-07-25 10:23:05
202.208.160.0/19 8,529 2026-07-25 10:23:05
110.92.32.0/19 8,500 2026-07-25 10:23:05
203.140.160.0/20 8,491 2026-07-25 10:23:05
219.100.8.0/22 8,489 2026-07-25 10:23:05
101.53.104.0/21 7,546 2026-07-25 10:23:36
101.50.60.0/22 7,544 2026-07-25 10:23:36
202.79.0.0/22 7,541 2026-07-25 10:23:36
202.79.8.0/22 7,522 2026-07-25 10:23:36
202.79.12.0/22 7,519 2026-07-25 10:23:36
103.208.96.0/22 7,485 2026-07-25 10:23:36

Frequently Asked Questions

What is AS7511?

AS7511 is an Autonomous System Number assigned to SYNAPSE Co.,Ltd.. 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 AS7511 announce?

AS7511 announces 78.8K IPv4 addresses distributed across 17 routed CIDR prefixes. The network is registered in Japan.

Who operates AS7511?

AS7511 is operated by SYNAPSE Co.,Ltd.. The organization is based in Japan. You can view all IP ranges and related ASNs on the organization page.

What country is AS7511 registered in?

AS7511 is registered in Japan. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-07-25 11:40:32 UTC
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