AS19210 — SYNCHRONOSS

AS19210 announces 4 IPv4 prefixes covering 1,024 addresses and 3 IPv6 prefixes.

About this network

The AS handle SYNCHRONOSS is held by Synchronoss Technologies.

What it's used for

• The address space carries corporate infrastructure, evidenced by netnames SYNCHRONOSS and IE-SNCR-20250408 associated with Synchronoss Technologies and Synchronoss Software Ireland, Ltd.
• The inventory consists of 1024 IPv4 addresses across 4 prefixes and 3 IPv6 prefixes, with only 2 observed neighbours, indicating a small-scale internal or business network rather than a transit provider.

Notable

• Registrants largely align with the announcer, including Synchronoss Technologies and Synchronoss Software Ireland, Ltd, though one prefix is registered to NewBay Software Inc.
• The address inventory is modest and fragmented, with one prefix showing a different registrant (NewBay Software Inc) that may reflect historical leasing or acquisition.

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

Announced prefixes

• 68.170.23.0/24
• 68.170.26.0/24
• 74.116.105.0/24
• 192.92.106.0/24
• 2620:11b:4000::/48
• 2620:11b:4002::/48
• 2620:11b:4018::/48

Upstream networks

• AS47870 SYNCHRONOSS SOFTWARE IRELAND, LTD
• AS3356 Level 3 Parent, LLC

Adjacent networks

• AS47870 SYNCHRONOSS SOFTWARE IRELAND, LTD
• AS3356 Level 3 Parent, LLC

Routing security

• RPKI: 1 valid, 0 invalid and 6 not-found announcements; 1 ROAs.
• ASPA: none published.
• IRR: 14% of announcements registered; 1 route objects.
• Listed in as-sets: AS-XO-B.