Autonomous System

AS29899 Geisinger System Services

BusinessActiveUnited StatesARIN

AS29899 (GEISINGER) is a business network operated by Geisinger System Services in United States, registered with ARIN. It has 2 IPv4 prefixes with 65,792 addresses and 1 IPv6 prefix, which makes it the 3,477th largest of 82,200 active autonomous systems by IPv4 space.

IPv4 addresses65,792in 2 prefixes
IPv6 prefixes1≈ 3.1 × 10²⁶ addresses
Size rank#3,477of 82,200 active ASNs
Abuser scoreVery Lowunder 0.01% of its addresses flagged · method

Details

OrganizationGeisinger System Services
AS nameGEISINGER
Websitegeisinger.org
Country United States (US)
Network typeBusiness
RegistryARIN
Abuse contactnianetworkinfraarchitects@geisinger.edu
Registered2003-06-03
Last updated2012-03-20

IPv4 prefixes

2 prefixes · 65,792 addresses
NetworkAddressesFirst – last address
159.240.0.0/1665,536159.240.0.0 – 159.240.255.255
159.240.131.0/24256159.240.131.0 – 159.240.131.255

IPv6 prefixes

1 prefix
  • 2620:112:c000::/40

Query AS29899 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=AS29899&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS29899, with or without a key:

curl "https://api.ipapi.is/?q=159.240.0.1"

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