AS23138 — FIRST-STEP

Network type: residential

AS23138 announces 5 IPv4 prefixes covering 17,664 addresses and 1 IPv6 prefixes.

About this network

The AS handle FIRST-STEP is operated by First Step Internet, LLC.

What it's used for

• The address space carries access traffic, evidenced by reverse DNS entries such as w148000.wireless.fsr.net and kb155254.dialup.fsr.net, indicating wireless and dial-up connectivity.
• The network announces 17664 IPv4 addresses across 25 prefixes and 1 IPv6 prefix, while maintaining 18 observed neighbours, a ratio consistent with a regional access provider.

Notable

• Registrants for the majority of prefixes are listed as FIRST STEP INTERNET, LLC, matching the AS holder, though one prefix (204.52.246.0/23) is registered to American Registry for Internet Numbers.
• The address inventory is heavily concentrated in the 64.126.0.0/16 range, with a small number of /24 blocks in other ranges like 198.206.162.0/24 and 204.52.245.0/24.

This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.

Announced prefixes

• 64.126.128.0/18
• 198.206.162.0/24
• 199.245.242.0/24
• 204.52.245.0/24
• 204.52.246.0/23
• 2604:2a00::/32

Upstream networks

• AS16713 Northwest Open Access Network
• AS20055 Wholesail networks LLC
• AS6939 Hurricane Electric LLC
• AS9002 RETN Limited
• AS24482 SG.GS
• AS394256 Tech Futures Interactive Inc.
• AS3130 RGnet OU
• AS34927 iFog GmbH
• AS7575 Australian Academic and Research Network (AARNet)
• AS293 ESnet
• AS52025 ParadoxNetworks Limited
• AS35280 F5 Networks SARL

Downstream networks

• AS21615 Cebridge Connections
• AS13752 P1FCU
• AS4539 Schweitzer Engineering Laboratories, Inc.

Adjacent networks

• AS16713 Northwest Open Access Network
• AS20055 Wholesail networks LLC
• AS21615 Cebridge Connections
• AS6939 Hurricane Electric LLC
• AS13752 P1FCU
• AS9002 RETN Limited
• AS4539 Schweitzer Engineering Laboratories, Inc.
• AS24482 SG.GS
• AS394256 Tech Futures Interactive Inc.
• AS3130 RGnet OU
• AS34927 iFog GmbH
• AS7575 Australian Academic and Research Network (AARNet)
• AS293 ESnet
• AS35280 F5 Networks SARL
• AS52025 ParadoxNetworks Limited

Internet exchanges

• Seattle Internet Exchange — Seattle, United States