Autonomous System

AS20012 Interworks Networking Services

ISPActiveUnited StatesARIN

AS20012 (CHILLER-CITY) is an ISP network operated by Interworks Networking Services in United States, registered with ARIN. It has 77 IPv4 prefixes with 132,352 addresses and 1 IPv6 prefix, which makes it the 1,841st largest of 82,200 active autonomous systems by IPv4 space.

IPv4 addresses132,352in 77 prefixes
IPv6 prefixes1≈ 1.2 × 10²⁴ addresses
Size rank#1,841of 82,200 active ASNs
Abuser scoreVery Low0.05% of its addresses flagged · method

Details

OrganizationInterworks Networking Services
AS nameCHILLER-CITY
Websiteinterwrx.com
Country United States (US)
Network typeISP
RegistryARIN
Abuse contactsupport@interwrx.com
Registered2007-12-05
Last updated2025-11-14

IPv4 prefixes

77 prefixes · 132,352 addresses
NetworkAddressesFirst – last address
168.158.0.0/1665,536168.158.0.0 – 168.158.255.255
168.158.80.0/204,096168.158.80.0 – 168.158.95.255
168.158.192.0/204,096168.158.192.0 – 168.158.207.255
168.158.32.0/212,048168.158.32.0 – 168.158.39.255
168.158.40.0/212,048168.158.40.0 – 168.158.47.255
168.158.112.0/212,048168.158.112.0 – 168.158.119.255
168.158.136.0/212,048168.158.136.0 – 168.158.143.255
168.158.152.0/212,048168.158.152.0 – 168.158.159.255
168.158.160.0/212,048168.158.160.0 – 168.158.167.255
168.158.184.0/212,048168.158.184.0 – 168.158.191.255
168.158.216.0/212,048168.158.216.0 – 168.158.223.255
168.158.12.0/221,024168.158.12.0 – 168.158.15.255
168.158.16.0/221,024168.158.16.0 – 168.158.19.255
168.158.24.0/221,024168.158.24.0 – 168.158.27.255
168.158.28.0/221,024168.158.28.0 – 168.158.31.255
168.158.52.0/221,024168.158.52.0 – 168.158.55.255
168.158.56.0/221,024168.158.56.0 – 168.158.59.255
168.158.60.0/221,024168.158.60.0 – 168.158.63.255
168.158.64.0/221,024168.158.64.0 – 168.158.67.255
168.158.68.0/221,024168.158.68.0 – 168.158.71.255
168.158.72.0/221,024168.158.72.0 – 168.158.75.255
168.158.76.0/221,024168.158.76.0 – 168.158.79.255
168.158.88.0/221,024168.158.88.0 – 168.158.91.255
168.158.96.0/221,024168.158.96.0 – 168.158.99.255
168.158.100.0/221,024168.158.100.0 – 168.158.103.255
The 25 largest of 77. The API and the database have all of them.

IPv6 prefixes

1 prefix
  • 2605:4b00:100::/48

Query AS20012 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=AS20012&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS20012, with or without a key:

curl "https://api.ipapi.is/?q=168.158.0.1"

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