AS19991 FirstEnergy Corp.
General Info - AS19991
4,352
4,255,418,885,043,494,145,209,925,632
IP Address Ranges
| Netblock | Number of IPs | |
|---|---|---|
| 64.119.240.0/20 | 4,096 | |
| 204.90.113.0/24 | 256 |
| Netblock | Number of IPs | |
|---|---|---|
| 2620:17e:40::/42 | 77,371,252,455,336,267,181,195,264 | |
| 2620:17e:80::/41 | 154,742,504,910,672,534,362,390,528 | |
| 2620:17e:100::/40 | 309,485,009,821,345,068,724,781,056 | |
| 2620:17e:200::/39 | 618,970,019,642,690,137,449,562,112 | |
| 2620:17e:600::/39 | 618,970,019,642,690,137,449,562,112 | |
| 2620:17e:800::/37 | 2,475,880,078,570,760,549,798,248,448 |
Upstreams
Downstreams
There are no downstreams for this ASN.
What is an Autonomous System (AS)?
An Autonomous System (AS) is a collection of connected networks that operate under a common administrative domain and share routing policies. Each AS is identified by a unique Autonomous System Number (ASN), which is used to exchange routing information with other ASs. AS can control how traffic flows through networks and then filter out unwanted traffic.
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