155.158.0.0

Katowice · Poland · Silesian University of Technology, Computer Centre

Autonomous system: AS8508
Country: PL
Risk score: Not a probability

IP address summary

IP address: 155.158.0.0
ASN: AS8508
Network operator: Silesian University of Technology, Computer Centre
ISP: Silesian University of Technology, Computer Centre
Containing network profile: 155.0.0.0/8
Operator category: Academic

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

Public ASN reference

Reference ASN: AS8508
Source label: SILWEB-AS-EDU Silesian University of Technology, Computer Centre
Reference interval: 155.158.0.0 to 155.158.255.255
Collected: 2026-11-02

IPtoASN maps this address interval to AS8508. 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: Poland
City: Katowice
Region: Silesia
Postal code: Not supplied
Timezone: Europe/Warsaw
Local time: 2026-11-05 20:32:45
Approximate coordinates: 50.275, 19.019

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

No elevated indicators

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

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

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

AS8508 profile

Organization: Silesian University of Technology, Computer Centre
ASN domain: polsl.pl
Operator type: Academic

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

Network registration

Matching record range: 155.158.0.0/16
Registered network name: USNET
Registered network block: 155.158.0.0/16
Registration source: RIPENCC WHOIS
Company: University of Silesia in Katowice, Poland
Usage type: business
Company website: us.edu.pl

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

Abuse contact

Contact name: USNET Management Team
Published contact network: 155.158.0.0/16
Abuse email: abuse@us.edu.pl
Phone: +48 32 359 20 00
Postal address: Bankowa 12, 40-007 Katowice, Poland
Contact country: Poland

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

155.158.0.0 · live response

{
  "ip": "155.158.0.0",
  "isp": {
    "asn": "AS8508",
    "org": "Silesian University of Technology, Computer Centre",
    "isp": "Silesian University of Technology, Computer Centre"
  },
  "location": {
    "country": "Poland",
    "country_code": "PL",
    "city": "Katowice",
    "state": "Silesia",
    "zipcode": "",
    "latitude": 50.275351599813334,
    "longitude": 19.019362009128137,
    "timezone": "Europe/Warsaw",
    "localtime": "2026-11-05T20:32:45"
  },
  "risk": {
    "is_mobile": false,
    "is_vpn": false,
    "is_tor": false,
    "is_proxy": false,
    "is_datacenter": false,
    "risk_score": 0,
    "assessment": {
      "version": "ipquery-risk-v2",
      "level": "none",
      "threat_score": 0,
      "anonymity_score": 0,
      "coverage": "fresh",
      "reasons": [],
      "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"
        }
      ]
    }
  }
}