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Web4U s.r.o. logo

Web4U s.r.o.

🇨🇿 Czech Republic

The ASN (Autonomous System Number) is a unique number assigned to an autonomous system, used to identify the network. ASN

AS39790

The RIR (Regional Internet Registry) is the organization responsible for managing ASN allocation in a specific region. RIR

RIPE

The type of ASN. Can be business, isp, hosting, government, or education. Type

business

Website

web4u.cz

Related ASNs have the same name or website. Related

-

IPv4 CIDRs

5

IPv4 addresses

9728

IPv6 CIDRs

3

IPv6 addresses

1

Upstreams are networks that provide transit to this ASN. Upstreams (3)

AS199803 ComSource s.r.o. logo ComSource s.r.o.
AS25248 RADIOKOMUNIKACE a.s. logo RADIOKOMUNIKACE a.s.
AS6939 Hurricane Electric LLC logo Hurricane Electric LLC

Peers are networks that exchange traffic with this ASN. Peers (8)

AS24482 SG.GS logo SG.GS
AS33891 Core-Backbone GmbH logo Core-Backbone GmbH
AS1764 Next Layer Telecommunications logo Next Layer Telecommunications
AS29504 Freenet Liberec, z.s. logo Freenet Liberec, z.s.
AS8218 Zayo Infrastructure France SA logo Zayo Infrastructure France SA
View more
AS6939 Hurricane Electric LLC logo Hurricane Electric LLC
AS25248 RADIOKOMUNIKACE a.s. logo RADIOKOMUNIKACE a.s.
AS199803 ComSource s.r.o. logo ComSource s.r.o.

Location

City

Prague

Country

🇨🇿 Czech Republic

Coordinates

50.08804, 14.42076

Timezone

Europe/Prague

We transparently share the different sources used to determine a likely location for this IP address. Source

whois

Abuse

Email

abuse@web4u.cz

Phone

+420270001456

Query via the API View API documentation

curl iplib.re/AS39790

JSON response

{
  "network": {
    "rir": "RIPE",
    "asn": 39790,
    "name": "Web4U s.r.o.",
    "type": "business",
    "website": "web4u.cz"
  },
  "connectivity": {
    "upstreams": [
      199803,
      25248,
      6939
    ],
    "peers": [
      24482,
      33891,
      1764,
      29504,
      8218
    ]
  },
  "location": {
    "latitude": 50.08804,
    "longitude": 14.42076,
    "country": "CZ",
    "city": "Prague",
    "source": "whois",
    "timezone": "Europe/Prague"
  },
  "abuse": {
    "email": "abuse@web4u.cz",
    "phone": "+420270001456"
  },
  "ipv4": {
    "ranges": [
      "81.91.80.0/20",
      "81.91.80.0/21",
      "81.91.88.0/21",
      "185.14.224.0/22",
      "185.14.224.0/23"
    ],
    "cidrs": 5,
    "ips": 9728
  },
  "ipv6": {
    "ranges": [
      "2001:1568::/32",
      "2001:1568::/33",
      "2001:1568:8000::/33"
    ],
    "cidrs": 3,
    "ips": 1
  }
}