Autonomous System

AS21557 Cybernet Communications, Inc.

ISPActiveUnited StatesARIN

AS21557 (CYB-BLK-1) is an ISP network operated by Cybernet Communications, Inc. in United States, registered with ARIN. It has 35 IPv4 prefixes with 21,760 addresses and 4 IPv6 prefixes, which makes it the 6,501st largest of 82,200 active autonomous systems by IPv4 space.

IPv4 addresses21,760in 35 prefixes
IPv6 prefixes4≈ 8.0 × 10²⁸ addresses
Size rank#6,501of 82,200 active ASNs
Abuser scoreVery Low0.01% of its addresses flagged · method

Details

OrganizationCybernet Communications, Inc.
AS nameCYB-BLK-1
Websitecybernetcom.com
Country United States (US)
Network typeISP
RegistryARIN
Abuse contactbruce@cybernetcom.com
Registered2006-12-07
Last updated2012-03-02

IPv4 prefixes

35 prefixes · 21,760 addresses
NetworkAddressesFirst – last address
64.15.208.0/204,09664.15.208.0 – 64.15.223.255
75.127.48.0/204,09675.127.48.0 – 75.127.63.255
147.92.120.0/212,048147.92.120.0 – 147.92.127.255
104.218.188.0/221,024104.218.188.0 – 104.218.191.255
147.92.120.0/221,024147.92.120.0 – 147.92.123.255
147.92.124.0/221,024147.92.124.0 – 147.92.127.255
162.219.200.0/221,024162.219.200.0 – 162.219.203.255
23.128.104.0/2351223.128.104.0 – 23.128.105.255
23.128.104.0/2425623.128.104.0 – 23.128.104.255
23.128.105.0/2425623.128.105.0 – 23.128.105.255
64.15.212.0/2425664.15.212.0 – 64.15.212.255
64.15.213.0/2425664.15.213.0 – 64.15.213.255
64.15.215.0/2425664.15.215.0 – 64.15.215.255
64.15.218.0/2425664.15.218.0 – 64.15.218.255
64.15.221.0/2425664.15.221.0 – 64.15.221.255
64.15.222.0/2425664.15.222.0 – 64.15.222.255
64.15.223.0/2425664.15.223.0 – 64.15.223.255
75.127.48.0/2425675.127.48.0 – 75.127.48.255
75.127.49.0/2425675.127.49.0 – 75.127.49.255
75.127.51.0/2425675.127.51.0 – 75.127.51.255
75.127.52.0/2425675.127.52.0 – 75.127.52.255
75.127.53.0/2425675.127.53.0 – 75.127.53.255
75.127.54.0/2425675.127.54.0 – 75.127.54.255
75.127.57.0/2425675.127.57.0 – 75.127.57.255
75.127.61.0/2425675.127.61.0 – 75.127.61.255
The 25 largest of 35. The API and the database have all of them.

IPv6 prefixes

4 prefixes
  • 2605:5300::/32
  • 2605:5300:100::/40
  • 2605:5300:300::/40
  • 2605:5300:500::/40

Query AS21557 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=AS21557&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS21557, with or without a key:

curl "https://api.ipapi.is/?q=64.15.208.1"

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