2001:610::

Utrecht · The Netherlands · SURF B.V.

Registration lookup IPv6 address formats

Autonomous system: AS1103
Country: NL
Risk score: Not a probability

IP address summary

IP address: 2001:610::
ASN: AS1103
Network operator: SURF B.V.
ISP: SURF B.V.
Containing network profile: 2001:610::/32
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: AS1103
Source label: SURFNET-NL SURF B.V.
Reference interval: 2001:610:: to 2001:610:8fff:ffff:ffff:ffff:ffff:ffff
Collected: 2026-11-02

IPtoASN maps this address interval to AS1103. 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: The Netherlands
City: Utrecht
Region: Utrecht
Postal code: Not supplied
Timezone: Europe/Amsterdam
Local time: 2026-11-04 00:12:56
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

VPNNot listed

ProxyNot listed

TorNot classified

HostingNot classified

MobileNot classified

Risk score: 0

A low score is not proof that an address is safe.

Read exact field definitions

ASN and network operator

AS1103 profile

Organization: SURF B.V.
ASN domain: surf.nl
Operator type: Academic

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

Network registration

Matching record range: 2001:610:: – 2001:610:0:800c:ffff:ffff:ffff:ffff
Registered network name: SURFnet6-NETWORK
Registered network block: 2001:610::/40
Registration source: RIPENCC WHOIS
Company: production network
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: 2001:610::/40
Abuse email: cert@surfcert.nl
Phone: +31 88 7873000
Postal address: SURF bv, attn. SURFcert, P.O.Box 19035, NL-3501 DA, Utrecht, Netherlands
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

2001:610:: · live response

{
  "ip": "2001:610::",
  "isp": {
    "asn": "AS1103",
    "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": "2026-11-04T00:12:56"
  },
  "risk": {
    "is_mobile": false,
    "is_vpn": false,
    "is_tor": false,
    "is_proxy": false,
    "is_datacenter": false,
    "risk_score": 0
  }
}