IPLibre logo IPLibre

Search any IP address or ASN

Enter an IPv4, IPv6, or ASN to retrieve geolocation, network, company, privacy and abuse details. You can also query it via the API or download the database.

or  bulk search
CENIC logo

CENIC

🇺🇸 United States

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

AS2153

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

ARIN

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

education

Website

cenic.org

Related ASNs have the same name or website. Related

AS21708 AS2152

IPv4 CIDRs

11

IPv4 addresses

4096

IPv6 CIDRs

2

IPv6 addresses

16842752

Upstreams are networks that provide transit to this ASN. Upstreams (2)

AS2152 CENIC - CalREN logo CENIC - CalREN
AS195 San Diego Supercomputer Center logo San Diego Supercomputer Center

Downstreams are networks that receive transit from this ASN. Downstreams (2)

AS46985 The Regents of the University of California - Univers...
AS6192 University of California, Davis logo University of California, Davis

Peers are networks that exchange traffic with this ASN. Peers (26)

AS2152 CENIC - CalREN logo CENIC - CalREN
AS52 University of California, Los Angeles logo University of California, Los Angeles
AS46357 California Polytechnic State University logo California Polytechnic State University
AS396465 California State University, Sacramento logo California State University, Sacramento
AS7377 University of California, San Diego logo University of California, San Diego
View more
AS31 California Institute of Technology logo California Institute of Technology
AS6106 University of California, Riverside logo University of California, Riverside
AS26397 The Regents of the University of California - Univers... logo The Regents of the University of California - Univers...
AS9 Carnegie Mellon University logo Carnegie Mellon University
AS11096 FloridaNet logo FloridaNet
AS46985 The Regents of the University of California - Univers...
AS2907 Science Information Network logo Science Information Network
AS22323 University of California, Merced logo University of California, Merced
AS257 Navy Network Information Center (NNIC) logo Navy Network Information Center (NNIC)
AS24 National Aeronautics and Space Administration logo National Aeronautics and Space Administration
AS7575 Australian Academic and Research Network (AARNet) logo Australian Academic and Research Network (AARNet)
AS11537 Internet2 logo Internet2
AS396310 San Diego State University logo San Diego State University
AS195 San Diego Supercomputer Center logo San Diego Supercomputer Center
AS6192 University of California, Davis logo University of California, Davis
AS32 Stanford University logo Stanford University
AS131 University of California, Santa Barbara logo University of California, Santa Barbara
AS5653 University of California San Francisco logo University of California San Francisco
AS32361 UltraLight logo UltraLight
AS5739 University of California, Santa Cruz logo University of California, Santa Cruz
AS299 University of California, Irvine logo University of California, Irvine

Location

City

Cypress

Country

🇺🇸 United States

Coordinates

33.81696, -118.03729

Timezone

America/Los_Angeles

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

whois

Abuse

Email

abuse@cenic.org

Phone

+1-714-220-3494

Query via the API View API documentation

curl iplib.re/AS2153

JSON response

{
  "network": {
    "rir": "ARIN",
    "asn": 2153,
    "name": "CENIC",
    "type": "education",
    "website": "cenic.org",
    "related": [
      21708,
      2152
    ]
  },
  "connectivity": {
    "upstreams": [
      2152,
      195
    ],
    "downstreams": [
      46985,
      6192
    ],
    "peers": [
      2152,
      52,
      46357,
      396465,
      7377
    ]
  },
  "location": {
    "latitude": 33.81696,
    "longitude": -118.03729,
    "country": "US",
    "city": "Cypress",
    "source": "whois",
    "timezone": "America/Los_Angeles"
  },
  "abuse": {
    "email": "abuse@cenic.org",
    "phone": "+1-714-220-3494"
  },
  "ipv4": {
    "ranges": [
      "130.150.12.0/23",
      "132.241.61.0/24",
      "137.150.137.0/24",
      "137.164.26.0/23",
      "137.164.17.0/24"
    ],
    "cidrs": 11,
    "ips": 4096
  },
  "ipv6": {
    "ranges": [
      "2001:468:e00::/40",
      "2607:f380:4::/48"
    ],
    "cidrs": 2,
    "ips": 16842752
  }
}