AS204536 — tsfy TSFY Ltd

Network type: residential

AS204536 announces 1 IPv4 prefixes covering 1,024 addresses and 0 IPv6 prefixes.

About this network

TSFY is operated by TSFY Ltd, which provides broadband services under the Nuacom brand.

What it's used for

• The address space carries residential broadband traffic, evidenced by the PeeringDB classification as "Cable/DSL/ISP" and the operator's public identity as Nuacom.
• The AS announces 1024 IPv4 addresses across 2 prefixes in Ireland, while maintaining 13 observed neighbours; this ratio of limited address space against a moderate number of peers indicates a regional access provider rather than a transit hub.
• Traffic from this AS consists of subscriber eyeballs for residential cable and DSL customers in the Maynooth, Co. Kildare area, as TSFY Ltd operates the Nuacom ISP service.

Notable

• Registrants for both announced prefixes are listed as TSFY Ltd, matching the AS holder and confirming consistent ownership of the inventory.
• The address inventory is compact, consisting of two contiguous /23 blocks (185.87.180.0/23 and 185.87.182.0/23) registered under the netname IE-TSFYLTD-20180221.
• TSFY Ltd is also known for IT consulting and app development, but the AS specifically supports its Nuacom broadband operations.

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

Announced prefixes

• 185.87.180.0/22

Upstream networks

• AS6939 Hurricane Electric LLC
• AS3257 GTT Communications Inc.
• AS3303 Swisscom (Schweiz) AG
• AS3356 Level 3 Parent, LLC
• AS20562 Broadband Hosting B.V.

Adjacent networks

• AS6939 Hurricane Electric LLC
• AS3257 GTT Communications Inc.
• AS3303 Swisscom (Schweiz) AG
• AS3356 Level 3 Parent, LLC
• AS20562 Broadband Hosting B.V.

Routing security

• RPKI: 2 valid, 0 invalid and 0 not-found announcements; 6 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 6 route objects.
• Listed in as-sets: AS-GTTCUST, AS-GTTCUST6, AS-HURRICANE, AS-SET-INEX-CONNECTED, AS-SET-INEX-RS, AS-TRANSROUTE-SPEC, AS8220:AS-COLTIE.

Internet exchanges

• Internet Neutral Exchange Association CLG - LAN1 — Dublin, Ireland
• Internet Neutral Exchange Association CLG - LAN2 — Dublin, Ireland