AS10490 — SOUTHERN-CROSSROADS-SOX

Network type: education

AS10490 announces 1 IPv4 prefixes covering 1,024 addresses and 1 IPv6 prefixes.

About this network

SOUTHERN-CROSSROADS-SOX is registered to the Georgia Institute of Technology, which manages and operates Southern Crossroads (SoX) — the Internet2 regional GigaPoP for the southeastern United States, serving the region's research-and-education community since 1997.

What it's used for

SoX is an aggregation point, not a destination network. Universities, K-12 systems, federal labs and non-profit research institutions across the Southeast connect into it, and SoX hands their traffic onward to Internet2, ESnet and other national and international research backbones, plus commodity transit.

Notable

The evidence that settles the kind is the mismatch between address count and neighbour count. RIS sees a single announced IPv4 prefix, 152.55.152.0/22 (1,024 addresses), and one IPv6 prefix, 2607:f7b8::/32 — but 49 observed neighbours.

A network with 1,024 addresses and 49 BGP neighbours is not an enterprise and not an eyeball provider; those peer with a handful. Fifty adjacencies against a /22 means the addresses exist only to number the routers, and the point of the AS is the peering fabric itself. This is the classic signature of a regional R&E exchange: every connector institution shows up as a separate neighbour, while SoX itself holds almost no address space of its own.

Interesting

2607:f7b8::/32 is a direct ARIN allocation rather than a slice of Internet2's block — SoX carries a full /32 in its own right, which is more IPv6 than most of the campuses it connects, and reflects its role handing sub-allocations down to members.

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

Announced prefixes

• 152.55.152.0/22
• 2607:f7b8::/32

Upstream networks

• AS1299 Arelion Sweden AB
• AS6939 Hurricane Electric LLC
• AS11537 Internet2
• AS174 Cogent Communications, LLC
• AS3257 GTT Communications Inc.
• AS11164 Internet2
• AS293 ESnet

Downstream networks

• AS2637 Georgia Institute of Technology
• AS3479 Board of Regents of the University System of Georgia
• AS7212 Vanderbilt University
• AS3452 University of Alabama at Birmingham
• AS10364 University of Alabama in Huntsville
• AS3450 University of Tennessee
• AS26335 Middle Tennessee State University
• AS21517 Kennesaw State University
• AS40204 Jacksonville State University
• AS3464 Alabama Supercomputer Authority
• AS398034 Clark Atlanta University
• AS12173 The University of Alabama
• AS398940 University of South Alabama
• AS3512 Emory University
• AS18682 Alabama A&M University
• AS6112 Auburn University
• AS10631 Georgia State University
• AS36441 University of Georgia
• AS2722 CULR, LLC
• AS26883 Morehouse College
• AS402482 American
• AS29972 Morehouse School of Medicine
• AS393529 Vanderbilt University Medical Center
• AS27422 Tennessee State University
• AS14048 The University of Memphis

Adjacent networks

• AS1299 Arelion Sweden AB
• AS11537 Internet2
• AS2637 Georgia Institute of Technology
• AS6939 Hurricane Electric LLC
• AS3479 Board of Regents of the University System of Georgia
• AS3257 GTT Communications Inc.
• AS11164 Internet2
• AS174 Cogent Communications, LLC
• AS40220 Virginia Polytechnic Institute and State Univ.
• AS2722 CULR, LLC
• AS3450 University of Tennessee
• AS7212 Vanderbilt University
• AS14048 The University of Memphis
• AS293 ESnet
• AS3452 University of Alabama at Birmingham
• AS10364 University of Alabama in Huntsville
• AS26335 Middle Tennessee State University
• AS21517 Kennesaw State University
• AS3464 Alabama Supercomputer Authority
• AS40204 Jacksonville State University
• AS398034 Clark Atlanta University
• AS12173 The University of Alabama
• AS3480 Board of Regents of the University System of Georgia
• AS398940 University of South Alabama
• AS3512 Emory University

Internet exchanges

• Digital Realty Atlanta Internet Exchange — Atlanta, United States