157.3.0.0

Tokyo · Japan · NTT SmartConnect Corporation

Hosting

Registration lookup

Autonomous system: AS7671
Country: JP
Risk score: Not a probability

IP address summary

IP address: 157.3.0.0
ASN: AS7671
Network operator: NTT SmartConnect Corporation
ISP: NTT SmartConnect Corporation
Containing network profile: 157.0.0.0/8
Operator category: CDN

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

Public ASN reference

Reference ASN: AS7671
Source label: MCNET - NTT SmartConnect Corporation
Reference interval: 157.3.0.0 to 157.4.255.255
Collected: 2026-11-02

IPtoASN maps this address interval to AS7671. 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: 2026-11-06 06:56:42
Approximate coordinates: 35.704, 139.683

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

HostingClassified

MobileNot classified

Risk score

0/ 100

No elevated indicators

Threat evidence: 0No threat-feed match
Anonymity context: 0Policy points

Score = max(threat, anonymity). Overlapping signals are not added.

Hosting network
0

Threat-feed coverageCurrent at lookup

Attribution and snapshot details

DROP IPv4Current at lookup: Checked: Nov 5, 2026, 4:15 AM UTC
Valid until: Nov 6, 2026, 6:15 AM UTC
ASN-DROPCurrent at lookup: Checked: Nov 5, 2026, 4:15 AM UTC
Valid until: Nov 6, 2026, 6:15 AM UTC

ipquery-risk-v2

A low score is not proof that an address is safe. This assessment describes an address, not a person or a request.

View scoring method

Read exact field definitions

ASN and network operator

AS7671 profile

Organization: NTT SmartConnect Corporation
ASN domain: nttsmc.com
Operator type: CDN

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

Network registration

Matching record range: 157.3.0.0/16
Registered network name: NTT-WEST-BB1
Registered network block: 157.3.0.0/16
Registration source: APNIC WHOIS
Company: NIPPON TELEGRAPH AND TELEPHONE WEST CORPORATION
Usage type: hosting

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

Abuse contact

Contact name: Kazuhide Itonaga
Published contact network: 157.3.0.0/16
Abuse email: hostmaster@nic.ad.jp
Phone: +81-3-5297-2311
Postal address: Uchikanda OS Bldg 4F, 2-12-6 Uchi-Kanda, Chiyoda-ku, Tokyo 101-0047, japan
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

157.3.0.0 · live response

{
  "ip": "157.3.0.0",
  "isp": {
    "asn": "AS7671",
    "org": "NTT SmartConnect Corporation",
    "isp": "NTT SmartConnect Corporation"
  },
  "location": {
    "country": "Japan",
    "country_code": "JP",
    "city": "Tokyo",
    "state": "Tokyo",
    "zipcode": "",
    "latitude": 35.70375159981334,
    "longitude": 139.68287200912815,
    "timezone": "Asia/Tokyo",
    "localtime": "2026-11-06T06:56:42"
  },
  "risk": {
    "is_mobile": false,
    "is_vpn": false,
    "is_tor": false,
    "is_proxy": false,
    "is_datacenter": true,
    "risk_score": 0,
    "assessment": {
      "version": "ipquery-risk-v2",
      "level": "none",
      "threat_score": 0,
      "anonymity_score": 0,
      "coverage": "fresh",
      "reasons": [
        {
          "code": "hosting",
          "score": 0,
          "source": "ipquery-classifier"
        }
      ],
      "sources": [
        {
          "id": "spamhaus_drop_v4",
          "status": "fresh",
          "checked_at": "2026-11-05T04:15:06Z",
          "expires_at": "2026-11-06T06:15:06Z",
          "published_at": "2026-11-04T18:44:02Z"
        },
        {
          "id": "spamhaus_asndrop",
          "status": "fresh",
          "checked_at": "2026-11-05T04:15:06Z",
          "expires_at": "2026-11-06T06:15:06Z",
          "published_at": "2026-11-05T03:44:02Z"
        }
      ]
    }
  }
}