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Autonomous System

AS17511

OPTAGE Inc.

Announced IPs
2,994,688
CIDR prefixes
58
ASN
AS17511

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.

69/100
Moderate
How this score is built

Experimental · trust-vectors model v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →

Network profile

Source: PeeringDB →
Network type Cable/DSL/ISP
Traffic level 1-5Tbps
Geographic scope Regional
Traffic ratio Heavy Inbound
Peering policy Selective
IRR record RADB::AS-EO

Web3 footprint

AS17511 hosts 2 observed decentralized-network nodes across 1 network. It’s a neutral signal — it does not affect the reputation score. See the full web3 node map.

AS17511 — global IP footprint

Cities where AS17511 has measurable IPv4 allocation. Click any dot to open that city's page. Size and color scale with IP count.

View on 3D globe →

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
121.80.0.0/13 524.3K
85.3%
OPTAGE Inc. JP Hyōgo Nishinomiya
58.188.0.0/14 262.1K
84.4%
OPTAGE Inc. JP Hyōgo Kobe
101.140.0.0/14 262.1K
79.3%
OPTAGE Inc. JP Hyōgo Itami
112.68.0.0/14 262.1K
93.4%
OPTAGE Inc. JP Osaka Osaka
119.228.0.0/14 262.1K
87.6%
OPTAGE Inc. JP Hyōgo Kobe
180.144.0.0/14 262.1K
87.0%
OPTAGE Inc. JP Kyoto Kyoto
182.164.0.0/14 262.1K
92.5%
OPTAGE Inc. JP Hyōgo Itami
60.56.0.0/15 131.1K
70.2%
OPTAGE Inc. JP Hyōgo Kawanishi
180.146.0.0/15 131.1K
0.0%
JP Osaka Sakai
58.70.0.0/16 65.5K
83.4%
OPTAGE Inc. JP Osaka Ibaraki
59.190.0.0/16 65.5K
78.1%
OPTAGE Inc. JP Kyoto Kyoto
128.22.0.0/16 65.5K
68.1%
OPTAGE Inc. JP Kyoto Kyoto
128.27.0.0/16 65.5K
68.9%
OPTAGE Inc. JP Hyōgo Itami
150.57.0.0/16 65.5K
3.1%
OPTAGE Inc. JP Osaka Neyagawa
150.66.0.0/16 65.5K
88.4%
OPTAGE Inc. JP Kyoto Kyoto
158.198.0.0/16 65.5K
0.1%
OPTAGE Inc. JP
160.233.0.0/16 65.5K
0.0%
OPTAGE Inc. JP
180.144.0.0/16 65.5K
0.0%
JP Kyoto Kyoto
180.145.0.0/17 32.8K
0.0%
JP Kyoto Kyoto
218.228.128.0/17 32.8K
87.6%
OPTAGE Inc. JP Kyoto Kyoto
218.251.0.0/17 32.8K
54.7%
OPTAGE Inc. JP Osaka Sawada
219.75.128.0/17 32.8K
73.8%
OPTAGE Inc. JP Osaka Kita
219.122.128.0/17 32.8K
87.1%
OPTAGE Inc. JP Kyoto Kyoto
180.145.128.0/18 16.4K
0.0%
JP Osaka Kanaokachō
218.42.192.0/18 16.4K
87.6%
OPTAGE Inc. JP Osaka Sakai
61.195.96.0/19 8.2K
31.1%
OPTAGE Inc. JP Osaka Neyagawa
61.205.96.0/19 8.2K
63.6%
OPTAGE Inc. JP Osaka Ibaraki
180.145.192.0/19 8.2K
0.0%
JP Osaka Sakai
203.140.64.0/19 8.2K
33.6%
OPTAGE Inc. JP Shiga Ōtsu
219.122.32.0/19 8.2K
17.4%
OPTAGE Inc. JP Osaka Ibaraki
61.122.240.0/20 4.1K
73.4%
OPTAGE Inc. JP Osaka Daido
61.205.0.0/20 4.1K
89.1%
OPTAGE Inc. JP Hyōgo Tarumi Ku
61.205.80.0/20 4.1K
98.2%
OPTAGE Inc. JP
61.213.128.0/20 4.1K
77.5%
OPTAGE Inc. JP
180.145.224.0/20 4.1K
0.0%
JP Kyoto Kyoto
202.8.48.0/20 4.1K
94.0%
OPTAGE Inc. JP
202.60.32.0/20 4.1K
84.2%
OPTAGE Inc. JP Kyoto Kyoto
202.216.48.0/20 4.1K
98.1%
OPTAGE Inc. JP Kyoto Kyoto
203.175.80.0/20 4.1K
96.5%
OPTAGE Inc. JP
210.199.80.0/20 4.1K
60.4%
OPTAGE Inc. JP
218.45.96.0/20 4.1K
94.0%
OPTAGE Inc. JP Kyoto Kyoto
61.122.248.0/21 2.0K
0.0%
JP
103.97.232.0/21 2.0K
0.0%
OPTAGE Inc. JP
122.100.24.0/21 2.0K
94.3%
OPTAGE Inc. JP
180.145.240.0/21 2.0K
0.0%
JP Kyoto Kyoto
192.51.144.0/21 2.0K
67.3%
OPTAGE Inc. JP
61.122.244.0/22 1.0K
0.0%
JP
103.65.208.0/22 1.0K
87.8%
OPTAGE Inc. JP
103.84.124.0/22 1.0K
89.6%
OPTAGE Inc. JP
103.99.124.0/22 1.0K
0.0%
OPTAGE Inc. JP
103.112.180.0/22 1.0K
0.0%
OPTAGE Inc. JP
103.116.152.0/22 1.0K
93.9%
OPTAGE Inc. JP
103.124.200.0/22 1.0K
1.2%
OPTAGE Inc. JP
103.199.132.0/22 1.0K
47.3%
OPTAGE Inc. JP
138.248.64.0/22 1.0K
89.4%
OPTAGE Inc. JP
180.145.248.0/22 1.0K
0.0%
JP
202.26.228.0/22 1.0K
0.0%
OPTAGE Inc. JP
202.223.48.0/22 1.0K
94.7%
OPTAGE Inc. JP
219.100.52.0/22 1.0K
94.4%
OPTAGE Inc. JP
61.122.242.0/23 512
0.0%
JP
103.142.132.0/23 512
0.0%
OPTAGE Inc. JP
160.25.92.0/23 512
0.6%
OPTAGE Inc. JP
180.145.254.0/23 512
0.0%
JP
202.34.10.0/23 512
2.7%
OPTAGE Inc. JP
202.34.12.0/23 512
4.9%
OPTAGE Inc. JP
202.244.138.0/23 512
70.1%
OPTAGE Inc. JP
61.122.241.0/24 256
0.0%
JP
103.95.206.0/24 256
0.0%
OPTAGE Inc. JP
180.145.252.0/24 256
0.0%
JP
202.19.159.0/24 256
0.0%
OPTAGE Inc. JP
202.62.253.0/24 256
12.1%
OPTAGE Inc. JP
203.178.6.0/24 256
0.0%
OPTAGE Inc. JP
61.122.240.0/25 128
0.0%
JP
180.145.253.128/25 128
0.0%
JP
61.122.240.128/26 64
0.0%
JP
180.145.253.0/26 64
0.0%
JP
61.122.240.224/27 32
0.0%
JP
180.145.253.64/27 32
0.0%
JP
61.122.240.208/28 16
0.0%
JP
61.122.240.200/29 8
0.0%
JP
180.145.253.96/29 8
0.0%
JP
180.145.253.112/29 8
0.0%
JP
61.122.240.192/30 4
0.0%
JP
61.122.240.196/30 4
0.0%
US
180.145.253.104/30 4
0.0%
JP
180.145.253.124/30 4
0.0%
US
180.145.253.108/31 2
0.0%
JP
180.145.253.110/31 2
0.0%
US
180.145.253.120/31 2
0.0%
JP
180.145.253.122/31 2
0.0%
US

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS17511 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
103.199.132.0/22 39,649 2026-07-18 11:59:53
202.60.32.0/20 5,766 2026-07-18 11:59:53
128.22.0.0/16 5,722 2026-07-18 11:59:53
202.8.48.0/20 5,713 2026-07-18 11:59:53
128.27.0.0/16 5,696 2026-07-18 11:59:53
219.122.128.0/17 5,693 2026-07-18 11:59:53
160.25.92.0/23 5,691 2026-07-18 11:59:53
203.140.64.0/19 5,685 2026-07-18 11:59:53
202.216.48.0/20 5,683 2026-07-18 11:59:53
219.122.32.0/19 5,683 2026-07-18 11:59:53
192.51.144.0/21 5,668 2026-07-18 11:59:53
203.175.80.0/20 5,667 2026-07-18 11:59:53
61.122.240.0/20 5,663 2026-07-18 11:59:53
219.100.52.0/22 5,661 2026-07-18 11:59:53
150.66.0.0/16 5,653 2026-07-18 11:59:53
210.199.80.0/20 5,652 2026-07-18 11:59:53
218.228.128.0/17 5,647 2026-07-18 11:59:53
150.57.0.0/16 5,644 2026-07-18 11:59:53
218.251.0.0/17 5,635 2026-07-18 11:59:53
61.205.80.0/20 5,633 2026-07-18 11:59:53
202.19.159.0/24 5,632 2026-07-18 11:59:53
218.42.192.0/18 5,631 2026-07-18 11:59:53
60.56.0.0/16 5,630 2026-07-18 11:59:53
218.45.96.0/20 5,628 2026-07-18 11:59:53
61.205.0.0/20 5,625 2026-07-18 11:59:53
58.70.0.0/16 5,625 2026-07-18 11:59:53
219.75.128.0/17 5,624 2026-07-18 11:59:53
202.34.12.0/23 5,624 2026-07-18 11:59:53
61.205.112.0/20 5,622 2026-07-18 11:59:53
103.142.132.0/23 5,615 2026-07-18 11:59:53
202.34.10.0/23 5,614 2026-07-18 11:59:53
60.57.0.0/17 5,613 2026-07-18 11:59:53
160.233.0.0/16 5,610 2026-07-18 11:59:53
202.62.253.0/24 5,609 2026-07-18 11:59:53
158.198.0.0/16 5,608 2026-07-18 11:59:53
180.144.0.0/14 5,601 2026-07-18 11:59:53
103.99.124.0/22 5,593 2026-07-18 11:59:53
202.26.230.0/24 5,589 2026-07-18 11:59:53
103.97.232.0/22 5,588 2026-07-18 11:59:53
202.26.228.0/24 5,587 2026-07-18 11:59:53
202.26.229.0/24 5,583 2026-07-18 11:59:53
202.26.231.0/24 5,582 2026-07-18 11:59:53
59.190.0.0/16 5,579 2026-07-18 11:59:53
61.213.128.0/20 5,578 2026-07-18 11:59:53
202.244.138.0/23 5,576 2026-07-18 11:59:53
60.57.128.0/17 5,574 2026-07-18 11:59:53
122.100.24.0/21 5,569 2026-07-18 11:59:53
103.65.208.0/22 5,567 2026-07-18 11:59:53
61.205.96.0/20 5,567 2026-07-18 11:59:53
103.97.236.0/22 5,560 2026-07-18 11:59:53

Showing top 50 of 67 announced prefixes by sample volume.

Frequently Asked Questions

What is AS17511?

AS17511 is an Autonomous System Number assigned to OPTAGE 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 AS17511 announce?

AS17511 announces 2.99M IPv4 addresses distributed across 58 routed CIDR prefixes. The network is registered in Japan.

Who operates AS17511?

AS17511 is operated by OPTAGE Inc.. The organization is based in Japan. You can view all IP ranges and related ASNs on the organization page.

What country is AS17511 registered in?

AS17511 is registered in Japan. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-07-18 12:10:33 UTC
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