91.220.103.0
Katowice · Poland · Silesian University of Technology, Computer Centre
- Autonomous system
- AS8508
- Country
- PL
- Risk score
IP address summary
- IP address
- 91.220.103.0
- ASN
- AS8508
- Network operator
- Silesian University of Technology, Computer Centre
- ISP
- Silesian University of Technology, Computer Centre
- Containing network profile
- 91.220.0.0/16
- 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
- 91.220.103.0 to 91.220.103.255
- Collected
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.
IP geolocation
- Country
- Poland
- City
- Katowice
- Region
- Silesia
- Postal code
- Not supplied
- Timezone
- Europe/
Warsaw - Local time
- Approximate coordinates
- 50.266, 19.023
Network-level coordinates do not identify a precise user or device location. How geolocation works
VPN, proxy and network signals
A low score is not proof that an address is safe.
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
- 91.220.103.0/24
- Registered network name
- BibliotekaSlaska
- Registered network block
- 91.220.103.0/24
- Registration source
- RIPENCC WHOIS
- Company
- Biblioteka Slaska
- Usage type
- business
- Company website
- bs.katowice.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
- Biblioteka Slaska
- Published contact network
- 91.220.103.0/24
- Abuse email
- abuse@bs.katowice.pl
- Phone
- +48 322083877
- Postal address
- Biblioteka Slaska, plac Rady Europy 1, 40-021 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{
"ip": "91.220.103.0",
"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": 50.266151599813334,
"longitude": 19.02256200912814,
"timezone": "Europe/Warsaw",
"localtime": "2026-11-11T07:55:28"
},
"risk": {
"is_mobile": false,
"is_vpn": false,
"is_tor": false,
"is_proxy": false,
"is_datacenter": false,
"risk_score": 0
}
}