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Johns Hopkins University logo

Johns Hopkins University

🇺🇸 United States

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

AS5723

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

jhu.edu

Related ASNs have the same name or website. Related

-

IPv4 CIDRs

9

IPv4 addresses

136192

IPv6 CIDRs

1

IPv6 addresses

1

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

AS6939 Hurricane Electric LLC logo Hurricane Electric LLC
AS3356 Lumen (Level 3) logo Lumen (Level 3)
AS174 Cogent Communications logo Cogent Communications

Peers are networks that exchange traffic with this ASN. Peers (4)

AS174 Cogent Communications logo Cogent Communications
AS10886 University of Maryland logo University of Maryland
AS3356 Lumen (Level 3) logo Lumen (Level 3)
AS6939 Hurricane Electric LLC logo Hurricane Electric LLC

IPv4 CIDRs (9)

128.220.0.0/16
162.129.0.0/16
192.12.13.0/24
192.12.14.0/24
198.57.32.0/21
View more
198.57.40.0/22
198.57.37.0/24
198.57.39.0/24
204.124.184.0/22

IPv6 CIDRs (1)

2606:2b00::/32

Location

City

Baltimore

Country

🇺🇸 United States

Coordinates

39.84534, -82.60072

Timezone

America/New_York

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

whois

Abuse

Email

noc@jhu.edu

Phone

+1-410-516-4357

Query via the API View API documentation 

curl iplib.re/AS5723

JSON response

{
  "network": {
    "rir": "ARIN",
    "asn": 5723,
    "name": "Johns Hopkins University",
    "type": "education",
    "website": "jhu.edu"
  },
  "connectivity": {
    "upstreams": [
      6939,
      3356,
      174
    ],
    "peers": [
      174,
      10886,
      3356,
      6939
    ]
  },
  "location": {
    "latitude": 39.84534,
    "longitude": -82.60072,
    "country": "US",
    "city": "Baltimore",
    "source": "whois",
    "timezone": "America/New_York"
  },
  "abuse": {
    "email": "noc@jhu.edu",
    "phone": "+1-410-516-4357"
  },
  "ipv4": {
    "ranges": [
      "128.220.0.0/16",
      "162.129.0.0/16",
      "192.12.13.0/24",
      "192.12.14.0/24",
      "198.57.32.0/21"
    ],
    "cidrs": 9,
    "ips": 136192
  },
  "ipv6": {
    "ranges": [
      "2606:2b00::/32"
    ],
    "cidrs": 1,
    "ips": 1
  }
}