Autonomous System

AS22644 Thomas Jefferson University Hospitals, Inc.

BusinessActiveUnited StatesARIN

AS22644 (TJUH) is a business network operated by Thomas Jefferson University Hospitals, Inc. in United States, registered with ARIN. It has 5 IPv4 prefixes with 61,696 addresses and 17 IPv6 prefixes, which makes it the 3,970th largest of 82,200 active autonomous systems by IPv4 space.

IPv4 addresses61,696in 5 prefixes
IPv6 prefixes17≈ 5.9 × 10²⁷ addresses
Size rank#3,970of 82,200 active ASNs
Abuser scoreVery Lowunder 0.01% of its addresses flagged · method

Details

OrganizationThomas Jefferson University Hospitals, Inc.
AS nameTJUH
Websitejefferson.edu
Country United States (US)
Network typeBusiness
RegistryARIN
Abuse contactabuse@jefferson.edu
Registered2001-10-29
Last updated2022-03-29

IPv4 prefixes

5 prefixes · 61,696 addresses
NetworkAddressesFirst – last address
147.140.128.0/1732,768147.140.128.0 – 147.140.255.255
147.140.0.0/1816,384147.140.0.0 – 147.140.63.255
147.140.96.0/198,192147.140.96.0 – 147.140.127.255
147.140.80.0/204,096147.140.80.0 – 147.140.95.255
147.140.255.0/24256147.140.255.0 – 147.140.255.255

IPv6 prefixes

17 prefixes
  • 2605:2c0:4000::/36
  • 2605:2c0:3000::/40
  • 2605:2c0:6200::/40
  • 2605:2c0:6300::/40
  • 2605:2c0::/48
  • 2605:2c0:1::/48
  • 2605:2c0:1000::/48
  • 2605:2c0:1001::/48
  • 2605:2c0:5000::/48
  • 2605:2c0:5008::/48
  • 2605:2c0:5009::/48
  • 2605:2c0:6000::/48
  • 2605:2c0:6001::/48
  • 2605:2c0:6010::/48
  • 2605:2c0:6100::/48
  • 2605:2c0:6101::/48
  • 2605:2c0:6110::/48

Query AS22644 with the API

The ASN lookup returns everything on this page as JSON, including every prefix. ASN lookups need an API key: a free account comes with 1,000 requests a day. 

curl "https://api.ipapi.is/?q=AS22644&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS22644, with or without a key:

curl "https://api.ipapi.is/?q=147.140.128.1"

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