Autonomous System

AS19108 Optimum

ISPActiveUnited StatesARIN

AS19108 (SUDDENLINK-COMMUNICATIONS) is an ISP network operated by Optimum in United States, registered with ARIN. It has 361 IPv4 prefixes with 6,832,384 addresses and 27 IPv6 prefixes, which makes it the 102nd largest of 82,283 active autonomous systems by IPv4 space.

IPv4 addresses6,832,384in 361 prefixes
IPv6 prefixes27≈ 1.4 × 10²⁹ addresses
Size rank#102of 82,283 active ASNs
Abuser scoreVery Low0.02% of its addresses flagged · method

Details

OrganizationOptimum
AS nameSUDDENLINK-COMMUNICATIONS
Websiteoptimum.com
Country United States (US)
Network typeISP
RegistryARIN
Abuse contactabuse@suddenlink.net
Registered2000-11-20
Last updated2012-03-20

IPv4 prefixes

361 prefixes · 6,832,384 addresses
NetworkAddressesFirst – last address
47.208.0.0/121,048,57647.208.0.0 – 47.223.255.255
47.212.0.0/14262,14447.212.0.0 – 47.215.255.255
47.220.0.0/14262,14447.220.0.0 – 47.223.255.255
50.24.0.0/14262,14450.24.0.0 – 50.27.255.255
74.192.0.0/14262,14474.192.0.0 – 74.195.255.255
75.108.0.0/14262,14475.108.0.0 – 75.111.255.255
47.208.0.0/15131,07247.208.0.0 – 47.209.255.255
47.210.0.0/15131,07247.210.0.0 – 47.211.255.255
47.218.0.0/15131,07247.218.0.0 – 47.219.255.255
74.192.0.0/15131,07274.192.0.0 – 74.193.255.255
74.194.0.0/15131,07274.194.0.0 – 74.195.255.255
74.196.0.0/15131,07274.196.0.0 – 74.197.255.255
173.80.0.0/15131,072173.80.0.0 – 173.81.255.255
173.216.0.0/15131,072173.216.0.0 – 173.217.255.255
24.32.0.0/1665,53624.32.0.0 – 24.32.255.255
24.121.0.0/1665,53624.121.0.0 – 24.121.255.255
47.213.0.0/1665,53647.213.0.0 – 47.213.255.255
47.214.0.0/1665,53647.214.0.0 – 47.214.255.255
47.216.0.0/1665,53647.216.0.0 – 47.216.255.255
47.217.0.0/1665,53647.217.0.0 – 47.217.255.255
50.24.0.0/1665,53650.24.0.0 – 50.24.255.255
50.26.0.0/1665,53650.26.0.0 – 50.26.255.255
66.76.0.0/1665,53666.76.0.0 – 66.76.255.255
74.192.0.0/1665,53674.192.0.0 – 74.192.255.255
74.193.0.0/1665,53674.193.0.0 – 74.193.255.255
The 25 largest of 361. The API and the database have all of them.

IPv6 prefixes

27 prefixes
  • 2600:5408::/32
  • 2600:5400:8000::/33
  • 2600:5400:1000::/36
  • 2600:5400:2000::/36
  • 2600:5400:3000::/36
  • 2600:5400:7000::/36
  • 2600:5401::/44
  • 2600:5408::/44
  • 2600:541e::/44
  • 2620:121:d000::/44
  • 2600:5400:8000::/48
  • 2600:5400:8001::/48
  • 2600:5400:8800::/48
  • 2600:5400:9000::/48
  • 2600:5400:9001::/48
  • 2600:5400:9002::/48
  • 2600:5400:9003::/48
  • 2600:5400:cd00::/48
  • 2600:5400:cd01::/48
  • 2600:5400:cd02::/48
  • 2600:5400:cd03::/48
  • 2600:5400:cd04::/48
  • 2600:5400:ce00::/48
  • 2600:5400:d101::/48
  • 2600:5400:e100::/48
The 25 largest of 27. The API and the database have all of them.

Query AS19108 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=AS19108&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS19108, with or without a key:

curl "https://api.ipapi.is/?q=47.208.0.1"

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