81.91.104.0

Elmshorn · Germany · TNG Stadtnetz GmbH

Autonomous system: AS13101
Country: DE
Risk score

IP address summary

IP address: 81.91.104.0
ASN: AS13101
Network operator: TNG Stadtnetz GmbH
ISP: TNG Stadtnetz GmbH
Containing network profile: 81.91.0.0/16
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: AS13101
Source label: TNG-AS TNG Stadtnetz GmbH
Reference interval: 81.91.104.0 to 81.91.111.255
Collected: 2026-11-02

IPtoASN maps this address interval to AS13101. 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: Germany
City: Elmshorn
Region: Schleswig-Holstein
Postal code: Not supplied
Timezone: Europe/Berlin
Local time: 2026-11-11 16:10:40
Approximate coordinates: 53.831, 9.724

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

AS13101 profile

Organization: TNG Stadtnetz GmbH
ASN domain: tng.de
Operator type: Home ISP

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

Network registration

Matching record range: 81.91.104.0/24
Registered network name: treenenet-81-91-104-0
Registered network block: 81.91.104.0/24
Registration source: RIPENCC WHOIS
Company: treenenet-81-91-104-0
Usage type: residential
Company website: amtswerke-eggebek.de

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

Abuse contact

Contact name: Abuse-C Role
Published contact network: 81.91.104.0/24
Abuse email: abuse@treenenet.de
Phone: +49 4123681960
Postal address: Tarper Straße 2, 24997 Wanderup, GERMANY
Contact country: Germany

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

81.91.104.0 · live response

{
  "ip": "81.91.104.0",
  "isp": {
    "asn": "AS13101",
    "org": "TNG Stadtnetz GmbH",
    "isp": "TNG Stadtnetz GmbH"
  },
  "location": {
    "country": "Germany",
    "country_code": "DE",
    "city": "Elmshorn",
    "state": "Schleswig-Holstein",
    "zipcode": "",
    "latitude": 53.83095159981333,
    "longitude": 9.724462009128139,
    "timezone": "Europe/Berlin",
    "localtime": "2026-11-11T16:10:40"
  },
  "risk": {
    "is_mobile": false,
    "is_vpn": false,
    "is_tor": false,
    "is_proxy": false,
    "is_datacenter": false,
    "risk_score": 0
  }
}