AS27630 — AS-XFERNET

Network type: residential

AS27630 announces 7 IPv4 prefixes covering 31,744 addresses and 2 IPv6 prefixes.

About this network

The AS handle AS-XFERNET is operated by Xfernet, a US-based cable and DSL provider.

What it's used for

• The address space carries residential and small business internet access, evidenced by the reverse DNS record ar05-29.lax01.xfernet.net and netnames such as XFERNET-NETBLK-1 through XFERNET-NETBLK-4.
• The AS announces 31,744 IPv4 addresses across 16 prefixes and 2 IPv6 prefixes, while maintaining 25 observed neighbours; this ratio of address space to peering partners is consistent with an access network rather than a transit provider.

Notable

• Registrants for the majority of prefixes are listed as XFERNET, aligning with the AS holder, though the 140.174.128.0/19 block is registered to NTT America, Inc. and VIPAR.
• Xfernet is also known as Premier Innovations, indicating a corporate identity or rebranding history.
• The inventory includes a mix of /19, /20, /22, /23, and /24 blocks, with the 69.166.0.0/23 through 69.166.6.0/23 range subdivided into four separate /23 prefixes.

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

Announced prefixes

• 67.43.160.0/20
• 69.166.0.0/21
• 72.34.224.0/19
• 140.174.128.0/19
• 199.197.12.0/22
• 207.246.192.0/20
• 208.122.224.0/20
• 2604:8140::/48
• 2607:f350::/32

Upstream networks

• AS2914 NTT America, Inc.
• AS6939 Hurricane Electric LLC
• AS174 Cogent Communications, LLC
• AS3491 PCCW Global (HK) Ltd.
• AS24482 SG.GS
• AS37721 Virtual Technologies & Solutions
• AS7575 Australian Academic and Research Network (AARNet)
• AS17639 Converge ICT Solutions Inc.
• AS8359 MTS PJSC

Adjacent networks

• AS2914 NTT America, Inc.
• AS6939 Hurricane Electric LLC
• AS174 Cogent Communications, LLC
• AS3491 PCCW Global (HK) Ltd.
• AS24482 SG.GS
• AS37721 Virtual Technologies & Solutions
• AS17639 Converge ICT Solutions Inc.
• AS7575 Australian Academic and Research Network (AARNet)
• AS8359 MTS PJSC

Internet exchanges

• LINX LON1 — London, United Kingdom
• Equinix Internet Exchange Ashburn — Ashburn, United States
• Coresite - Any2 West — Los Angeles, United States
• Any2 California — Los Angeles, United States
• Equinix Internet Exchange Chicago — Chicago, United States
• Equinix Internet Exchange Dallas — Dallas, United States
• Equinix Internet Exchange New York — New York, United States
• Detroit Internet Exchange — Detroit, United States
• Equinix Internet Exchange Los Angeles — Los Angeles, United States
• Equinix Los Angeles IBX — Los Angeles, United States
• Megaport IX Ashburn — Ashburn, United States
• Megaport IX Los Angeles — Los Angeles, United States