49.128.24.0

Tokyo · Japan · CTB Media Inc.

Autonomous system: AS23780
Country: JP
Risk score

IP address summary

IP address: 49.128.24.0
ASN: AS23780
Network operator: CTB Media Inc.
ISP: CTB Media Inc.
Containing network profile: 49.128.0.0/16
Operator category: Home ISP

The containing profile is the nearest published aggregate. It is not a registry allocation or BGP ownership record.

Public ASN reference

Reference ASN: AS23780
Source label: CTB - CTB Media Inc.
Reference interval: 49.128.24.0 to 49.128.31.255
Collected: 2026-11-02

IPtoASN maps this address interval to AS23780. An interval is not necessarily a BGP prefix or registered allocation. It does not establish geolocation or ownership.

IPtoASN source Reference methodology

IP geolocation

World map with country boundaries — Approximate network location; not a device positionNatural Earth map data

Country: Japan
City: Tokyo
Region: Tokyo
Postal code: Not supplied
Timezone: Asia/Tokyo
Local time: 2026-11-10 02:52:40
Approximate coordinates: 35.705, 139.759

Network-level coordinates do not identify a precise user or device location. How geolocation works

VPN, proxy and network signals

VPNNot listed

ProxyNot listed

TorNot classified

HostingNot classified

MobileNot classified

Risk score: 0 / 100

A low score is not proof that an address is safe.

Read exact field definitions

ASN and network operator

AS23780 profile

Organization: CTB Media Inc.
ASN domain: ctb.jp
Operator type: Home ISP

The ASN organization can differ from the organization using an individual address.

Network registration

Matching record range: 49.128.24.0/21
Registered network name: CTB
Registered network block: 49.128.24.0/21
Registration source: APNIC WHOIS
Company: CTB Media Inc.
Usage type: residential
Company website: ctb.jp

Registration and company fields describe this source record. They can differ from the ASN operator and from live routing announcements.

Abuse contact

Published contact network: 49.128.24.0/21
Abuse email: abuse@ctb.ne.jp
Contact country: Japan

This contact is attached to the network record. Include the source IP, UTC timestamps and relevant logs when reporting abuse.

Actual API response

Open JSON

49.128.24.0 · live response

{
  "ip": "49.128.24.0",
  "isp": {
    "asn": "AS23780",
    "org": "CTB Media Inc.",
    "isp": "CTB Media Inc."
  },
  "location": {
    "country": "Japan",
    "country_code": "JP",
    "city": "Tokyo",
    "state": "Tokyo",
    "zipcode": "",
    "latitude": 35.70525159981334,
    "longitude": 139.75906200912814,
    "timezone": "Asia/Tokyo",
    "localtime": "2026-11-10T02:52:40"
  },
  "risk": {
    "is_mobile": false,
    "is_vpn": false,
    "is_tor": false,
    "is_proxy": false,
    "is_datacenter": false,
    "risk_score": 0
  }
}