ASN lookup result for AS17511 OPTAGE Inc. — network size, BGP routing and registration

JPAS17511OPTAGE Inc.ISP

Japan · APNICoptage.co.jp

Business linesHome broadbandMobile network

IPv4 addresses

2,994,432

66 announced prefixes

IPv6 addresses

7.92 × 10²⁸

2 announced prefixes

BGP neighbours

…

CAIDA rank

#2,482

Customer cone 11 ASNs

Estimated users

5.05M

APNIC: 5.06M

RPKI

62% valid

0 invalid · 26 not covered

Average purity

86

386 sampled IPs

IXPs / facilities

15 / 10

Operator self-reported

History

How prefixes were announced and changed hands, registration changes, and outage or hijack incidents.

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IP ranges

Currently announced prefixes with their RIR registration and geolocation.

PrefixRPKIRegistrationGeolocationAddresses
58.188.0.0/14ValidJPK-OpticomAPNICJPJapan262,144
101.140.0.0/14ValidJPK-OpticomAPNICJPHimeji262,144
112.68.0.0/14ValidJPK-OpticomAPNICJPWakayama262,144
119.228.0.0/14ValidJPK-OpticomAPNICJPItami262,144
121.80.0.0/14ValidJPK-OpticomAPNICJPOsaka262,144
121.84.0.0/14ValidJPK-OpticomAPNICJPSakai262,144
180.144.0.0/14ValidJPK-OpticomAPNICJPKyoto262,144
182.164.0.0/14ValidJPK-OpticomAPNICJPKyoto262,144
58.70.0.0/16ValidJPK-OpticomAPNICJPIbaraki65,536
59.190.0.0/16ValidJPK-OpticomAPNICJPOsaka65,536
60.56.0.0/16ValidJPK-OpticomAPNICJPOsaka65,536
128.22.0.0/16ValidJPK-OpticomAPNICJPKyoto65,536
128.27.0.0/16ValidJPK-OpticomAPNICJPNishinomiya65,536
150.57.0.0/16Not foundJPJAPAN150APNICJPOsaka65,536
150.66.0.0/16ValidJPJAPAN150APNICJPJapan65,536
158.198.0.0/16Not foundJPJPNIC-NET-JP-ERXAPNICJPJapan65,536
160.233.0.0/16Not foundJPMIKI-IPNETAPNICJPJapan65,536
60.57.0.0/17ValidJPK-OpticomAPNICJPAmagasaki32,768
60.57.128.0/17ValidJPK-OpticomAPNICJPAmagasaki32,768
218.228.128.0/17ValidJPJPNIC-NET-JPAPNICJPSakai32,768

/24 block profile

One square per /24: colour shows the risk type, shade how many addresses are flagged, stripes mark datacenter blocks. Click a square to see all 256 addresses.

/24s with data 357 / 11,697 (3%) · flagged 132

No risk flagsDatacenter (no flags)ProxyVPNAbuse / blocklistTorDarker = more flagged addresses; dashed = block screen only

121.84.0.0/1439/1024 with data · 17 flagged

112.68.0.0/1437/1024 with data · 14 flagged

119.228.0.0/1437/1024 with data · 17 flagged

58.188.0.0/1433/1024 with data · 10 flagged

121.80.0.0/1433/1024 with data · 11 flagged

180.144.0.0/1433/1024 with data · 19 flagged

101.140.0.0/1432/1024 with data · 6 flagged

182.164.0.0/1429/1024 with data · 10 flagged

128.22.0.0/1617/256 with data · 5 flagged

59.190.0.0/1610/256 with data · 6 flagged

58.70.0.0/168/256 with data · 2 flagged

60.56.0.0/168/256 with data · 3 flagged

Hover a square for its numbers; click to see all 256 addresses.

Each prefix shows its 64 /24s with the most data. Built daily from lookups, neighbour sampling, public lists and block screening.

IP reputation

IPs from this network that CleanIP has analysed: purity, abuse reports and the riskiest /24 blocks.

Purity distribution

85–100 23770–84 10550–69 440–49 0

0.02%

Share of IPv4 reported or blocklisted

667

Listed IPs

386

Analysed IPs

Flagged = VPN, proxy, Tor or purity below 50. Samples come from user lookups and neighbour sampling, not every address in this network.

Geography

Where this network’s IPv4 addresses are located.

  • JP Japan
Scope
Single country
In registered country
100.0%

Estimated by sampling IPv4 ranges against a geolocation database.

Traffic observation

AS17511 · Last 7 days
Mobile vs. Desktop
Desktop 36.3%Mobile 63.7%
Desktop36.3%Mobile63.7%
Bot vs. Human
Human 92.3%Bot 7.7%
Human92.3%Bot7.7%

Adoption & Usage

Adoption and usage of key protocols

Internet Protocol (IP) Version
IPv4 50.1%IPv6 49.9%49.9%IPv6
IPv450.1%IPv649.9%
HTTP Version
HTTP/1.x
8.8%HTTP/2
65.8%HTTP/3
25.3%
HTTP vs. HTTPS
99.6% HTTPS (encrypted)
Plain HTTP 0.4%
TLS Version
TLS 1.0/1.1< 0.1%TLS 1.22.7%TLS 1.371.9%QUIC25.4%

Security & Attacks

Insights into network and application layer attack traffic

Layer 7 Attacks
GET
66.1%HEAD
21.7%POST
11.3%PUT
0.6%OPTIONS
0.3%Other
< 0.1%

BGP Announcements

Hourly BGP route announcements over the last 7 days

282,203
7-day total
11,672
Hourly peak

Data: Cloudflare Radar, licensed under CC BY-NC 4.0

Activity

Hourly traffic over the last 7 days, normalized to this network’s peak.

A pronounced day/night rhythm, typical of networks with human users.

00061218
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Times in UTCLessMore
Peak hour
13:00–14:00
Active hours
18 hrs
Weekend vs weekday
Weekdays ≈ weekends
Busiest day
Sun

Datacenter Presence

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BGP upstreams and neighbours

AS17511Standalone page
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WHOIS record

The registry’s record for this AS number: holder, status, dates and contacts.

Sources

Where the information on this page comes from and when it was updated.

InformationSourceUpdated
Registered countryRIR daily delegation statistics2026-10-20
Organization & company countryAS-to-organization data2026-10-21
Network typeCleanIP ASN canon2026-10-21
Exchanges & facilitiesOperator self-reported interconnection data2026-10-21
Announced prefixes & BGP neighboursPublic BGP routing data2026-10-22
IPv4 geographyGeolocation database—
RPKI validationRPKI ROA validation data2026-10-22
Rank & customer coneCAIDA AS Rank2026-10-01
Estimated users (APNIC)APNIC Labs user estimates2026-10-19
Network tagsPublic routing data community tags2026-10-21
IP reputationCleanIP lookups and neighbour sampling—

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Multi-source cross-checks · In-house reputation data · Real data only

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