AS28239 — IWserver Internet Banda Larga Ltda.

Network type: residential

AS28239 announces 2 IPv4 prefixes covering 6,144 addresses and 1 IPv6 prefixes.

About this network

The AS handle AS28239 is held by IWserver Internet Banda Larga Ltda.

What it's used for

• The address space carries residential broadband traffic, evidenced by the reverse DNS record 254-158-0-187-dynamic.iwserver.com.br which indicates dynamic IP assignment for end-user devices.
• The network announces 6144 IPv4 addresses across 8 prefixes and 1 IPv6 prefix, while maintaining 27 observed neighbours; this ratio of address space to peering partners is consistent with an access or eyeball network providing last-mile connectivity.

Notable

• All registrants for the announced prefixes are listed as IWserver Internet Banda Larga Ltda., matching the AS holder and confirming direct ownership of the inventory.
• The address inventory consists of contiguous blocks in the 187.0.0.0/8 and 186.235.0.0/8 ranges, with netnames 119632 and 182746 associated with the respective prefix groups.

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

Announced prefixes

• 186.235.112.0/21
• 187.0.144.0/20
• 2804:988::/34

Upstream networks

• AS14840 BR.Digital Telecom
• AS6939 Hurricane Electric LLC
• AS52468 UFINET PANAMA S.A.
• AS3356 Level 3 Parent, LLC
• AS24482 SG.GS
• AS57463 NetIX Communications JSC
• AS35280 F5 Networks SARL
• AS37721 Virtual Technologies & Solutions

Adjacent networks

• AS14840 BR.Digital Telecom
• AS6939 Hurricane Electric LLC
• AS52468 UFINET PANAMA S.A.
• AS3356 Level 3 Parent, LLC
• AS24482 SG.GS
• AS57463 NetIX Communications JSC
• AS35280 F5 Networks SARL
• AS37721 Virtual Technologies & Solutions

Internet exchanges

• IX.br (PTT.br) São Paulo — São Paulo, Brazil