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Network · ASN lookup

AS19108: Optimum

AS19108 belongs to Optimum and is registered in the United States.

Facts about AS19108

Dataset read 2026-11-01 What the public iptoasn.com dataset held for AS19108 on the day this copy was read. It is refreshed about once a month. IPv4 only

AS number

AS19108

Registered descriptionSUDDENLINK-COMMUNICATIONS

USUnited States
IPv4 addresses The addresses in all 311 of its ranges. The share is that total over the 4,294,967,296 addresses of the whole IPv4 space.
2,839,808
0.066% of the whole IPv4 space
IPv4 ranges
311
Kind of network
Home and business broadband
Hosting network Yes only when the AS number is on our list of hosting and cloud networks. Not on our list says nothing about what kind of network it is.
Not on our list

The 15 largest ranges below hold 34.4% of its addresses Each segment is one of the ranges listed below, drawn at its share of all 2,839,808 addresses of AS19108. The empty part is every other range. 977,920 of 2,839,808

Country: United States (US), as the registry holds it. Where the network is registered, which is not always where its customers are. Open AS19108 in the ASN lookup

Largest IPv4 ranges of AS19108

Each bar is the range's address count against the largest one. A prefix such as /12 shows when a range is exactly one aligned CIDR block.

The 15 largest of 311, biggest first

Largest IPv4 ranges of AS19108, with the number of addresses in each
#First address to last addressSize against the largest rangeAddresses
0147.216.160.0 to 47.219.3.255156,672
0247.209.224.0 to 47.211.159.255114,688
0374.192.89.0 to 74.193.205.25595,488
0447.208.0.0 to 47.209.95.25590,112
0547.222.68.0 to 47.223.151.25587,040
06173.80.192.0 to 173.81.139.25552,224
0774.195.96.0 to 74.196.35.25550,176
0847.219.4.0 to 47.219.191.25548,128
0947.213.216.0 to 47.214.135.25545,056
1047.211.160.0 to 47.212.67.25541,984
11173.216.243.0 to 173.217.143.25540,192
1247.215.212.0 to 47.216.111.25539,936
1350.24.216.0 to 50.25.115.25539,936
1474.196.154.0 to 74.197.47.25538,400
15173.218.100.0 to 173.218.247.25537,888

Other networks from Optimum

AS6128Home and business broadband

Using this network with a proxy

It targets that one network, and it is not applied on geo-forced pools. If no exit on the network is available, the request fails instead of falling back to another network. We do not publish which networks are available at a given time.

A request names it with the asn option, written AS19108 or 19108. Every pool takes it: Essential and Premium Residential, and Mobile.

Essential and Premium