145.99.128.0
Utrecht · The Netherlands · SURF B.V.
- Autonomous system
- AS1101
- Country
- NL
- Risk score
IP address summary
- IP address
- 145.99.128.0
- ASN
- AS1101
- Network operator
- SURF B.V.
- ISP
- SURF B.V.
- Containing network profile
- 145.0.0.0/8
- 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
- AS1101
- Source label
- IP-EEND-AS SURF B.V.
- Reference interval
- 145.99.0.0 to 145.99.255.255
- Collected
IPtoASN maps this address interval to AS1101. An interval is not necessarily a BGP prefix or registered allocation. It does not establish geolocation or ownership.
IP geolocation
- Country
- The Netherlands
- City
- Utrecht
- Region
- Utrecht
- Postal code
- Not supplied
- Timezone
- Europe/
Amsterdam - Local time
- Approximate coordinates
- 52.105, 5.113
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
AS1101 profile- Organization
- SURF B.V.
- ASN domain
- as1101.net
- Operator type
- Academic
The ASN organization can differ from the organization using an individual address.
Network registration
- Matching record range
- 145.99.128.0/17
- Registered network name
- COOL-DOWN-ii
- Registered network block
- 145.99.128.0/17
- Registration source
- RIPENCC WHOIS
- Company
- COOL-DOWN-ii
- Usage type
- business
- Company website
- surf.nl
Registration and company fields describe this source record. They can differ from the ASN operator and from live routing announcements.
Abuse contact
- Contact name
- SURF Network Maintainer
- Published contact network
- 145.99.128.0/17
- Abuse email
- cert@surfcert.nl
- Phone
- +31 88 7873000
- Postal address
- Kantoren Hoog Overborch (Hoog Catharijne), Moreelsepark 48, 3511 EP Utrecht, Postbus 19035, 3501 DA Utrecht
- Contact country
- The Netherlands
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": "145.99.128.0",
"isp": {
"asn": "AS1101",
"org": "SURF B.V.",
"isp": "SURF B.V."
},
"location": {
"country": "The Netherlands",
"country_code": "NL",
"city": "Utrecht",
"state": "Utrecht",
"zipcode": "",
"latitude": 52.10508159981333,
"longitude": 5.11338200912814,
"timezone": "Europe/Amsterdam",
"localtime": "2026-11-09T11:37:52"
},
"risk": {
"is_mobile": false,
"is_vpn": false,
"is_tor": false,
"is_proxy": false,
"is_datacenter": false,
"risk_score": 0
}
}