AS25670 — THINKCSC - thinkCSC

AS25670 announces 4 IPv4 prefixes covering 1,280 addresses and 1 IPv6 prefixes.

About this network

The AS handle THINKCSC is held by thinkCSC.

What it's used for

• The address space carries enterprise and VoIP services, evidenced by reverse DNS entries such as m2ns-voip-01.thinkcsc.com and autodiscover.thinkcsc.com.
• The network announces 1280 IPv4 addresses across 4 prefixes and 1 IPv6 prefix, with 4 observed neighbours, indicating a small-scale business or enterprise network rather than a transit provider.

Notable

• Registrants are consistent with the announcer, with thinkCSC listed for three prefixes and CSC for one, reflecting the organization's naming conventions.
• The address inventory is modest, consisting of a mix of /23 and /24 blocks, including a legacy block registered to CSC under the netname NET-74-218-68-0-1.

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

Announced prefixes

• 50.59.130.0/24
• 74.218.68.0/24
• 192.40.110.0/23
• 208.81.209.0/24
• 2620:12e:3000::/44

Upstream networks

• AS19009 OneCleveland
• AS14230 ARK Data Centers LLC
• AS3356 Level 3 Parent, LLC

Adjacent networks

• AS19009 OneCleveland
• AS14230 ARK Data Centers LLC
• AS3356 Level 3 Parent, LLC

Routing security

• RPKI: 1 valid, 0 invalid and 10 not-found announcements; 1 ROAs.
• ASPA: none published.
• IRR: 64% of announcements registered; 10 route objects.
• Listed in as-sets: AS-19009-ASSOCIATED, AS-CHTR-SYNC, AS-HURRICANE, AS-HURRICANEV6, AS-RR-BIZ, AS25670:AS-CONE, AS393238:AS-INVOLTA.