AS46276 — SMARTERBROADBAND - SmarterBroadband

Network type: residential

AS46276 announces 3 IPv4 prefixes covering 6,400 addresses and 1 IPv6 prefixes.

About this network

The AS handle SMARTERBROADBAND is held by SmarterBroadband.

What it's used for

• The address space carries customer access traffic, evidenced by reverse DNS entries such as customer-173-195-187-254.smarterbroadband.com and customer-209-222-125-254.smarterbroadband.com, and netnames SBBNET and SBBNET2.
• The network announces 6,400 IPv4 addresses across 3 prefixes and 1 IPv6 prefix, with 15 observed neighbours, indicating a regional access provider rather than a transit hub.
• Traffic from this AS consists of subscriber broadband connections, as SmarterBroadband operates as a cable/DSL ISP providing residential and business internet services in the United States.

Notable

• All registrants for the announced prefixes are listed as SmarterBroadband, matching the AS holder.
• The address inventory is composed of three distinct IPv4 blocks: 173.195.176.0/20, 209.222.120.0/21, and 74.112.90.0/24, alongside a single /32 IPv6 prefix.

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

Announced prefixes

• 74.112.90.0/24
• 173.195.176.0/20
• 209.222.120.0/21
• 2604:aa80::/32

Upstream networks

• AS6939 Hurricane Electric LLC
• AS2914 NTT America, Inc.
• AS54048 Vast Networks
• AS9002 RETN Limited
• AS3130 RGnet OU
• AS394256 Tech Futures Interactive Inc.
• AS34927 iFog GmbH
• AS24482 SG.GS
• AS293 ESnet
• AS35280 F5 Networks SARL
• AS7575 Australian Academic and Research Network (AARNet)

Adjacent networks

• AS6939 Hurricane Electric LLC
• AS2914 NTT America, Inc.
• AS54048 Vast Networks
• AS9002 RETN Limited
• AS34927 iFog GmbH
• AS3130 RGnet OU
• AS24482 SG.GS
• AS394256 Tech Futures Interactive Inc.
• AS35280 F5 Networks SARL
• AS293 ESnet
• AS7575 Australian Academic and Research Network (AARNet)

Routing security

• RPKI: 0 valid, 0 invalid and 8 not-found announcements; 2 ROAs.
• ASPA: none published.
• IRR: 88% of announcements registered; 21 route objects.
• Listed in as-sets: AS-CALREN2, AS-CVIN, AS-HURRICANE, AS-HURRICANEV6, AS-SBB, AS-WAVE-CUSTOMERS, AS-XO-B, AS293:AS-FROM-SINGAREN-TO-ESNET, AS46276:AS-CONE, AS46276:AS-SBB.

Internet exchanges

• Seattle Internet Exchange — Seattle, United States
• Equinix Internet Exchange San Jose (Bay Area) — San Jose, United States
• Equinix IBX Secaucus — Secaucus, United States