AS18694 — SDWARREN

AS18694 announces 4 IPv4 prefixes covering 3,840 addresses and 2 IPv6 prefixes.

About this network

The AS handle SDWARREN is held by Sappi Fine Paper North America.

What it's used for

• The address space is registered under the netname SDWARREN with the registrant listed as Sappi Fine Paper North America, indicating a corporate network for a paper manufacturing business.
• The AS announces 3840 IPv4 addresses across 4 prefixes and 2 IPv6 prefixes, while maintaining only 2 observed neighbours. This low neighbour count relative to the address inventory suggests an internal corporate estate with site-by-site segmentation rather than a transit or access provider.

Notable

• All four announced IPv4 prefixes share the same netname and registrant, confirming a consistent ownership structure for the address blocks.
• The inventory consists of a contiguous block of IPv4 space in the 204.61.192.0/21 range and two distinct IPv6 prefixes, reflecting a standard corporate network allocation.

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

Announced prefixes

• 204.61.192.0/21
• 204.61.200.0/22
• 204.61.204.0/23
• 204.61.206.0/24
• 2620:0:10::/48
• 2620:126:2000::/40

Upstream networks

• AS13536 FirstLight Fiber, Inc.
• AS12271 Charter Communications Inc

Adjacent networks

• AS13536 FirstLight Fiber, Inc.
• AS12271 Charter Communications Inc