AS42004 — ULGRP-AS

Network type: residential

AS42004 announces 7 IPv4 prefixes covering 11,776 addresses and 1 IPv6 prefixes.

About this network

ULGRP-AS is operated by VoIP Unlimited.

What it's used for

• The address space carries VoIP and broadband traffic, evidenced by netnames such as UK-VOIPUNLIMITED and reverse DNS entries like adsl-unlimited.net and as42004.net.
• With 11,776 IPv4 addresses announced across 7 prefixes and 74 observed neighbours, the network functions as a mid-sized access provider with significant peering relationships.
• Traffic consists of VoIP signalling and media, along with connectivity services for business clients, reflecting the operator's focus on SIP, UCaaS, and cloud solutions.

Notable

• Registrants are predominantly VOIP-UN LIMITED, with exceptions for Moose Internet Services Ltd and Net Primates Ltd on smaller prefixes.
• VoIP Unlimited rebranded in 2017 to shift focus from pure technical capabilities to a broader channel-focused telecoms carrier identity.
• The inventory includes a mix of /20, /22, and /23 blocks, with one prefix registered to a different entity, suggesting historical acquisitions or leased space.

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

Announced prefixes

• 31.10.32.0/20
• 85.91.32.0/22
• 91.151.0.0/20
• 185.91.128.0/22
• 194.105.154.0/23
• 194.143.154.0/23
• 195.8.192.0/23
• 2a00:19d8::/32

Upstream networks

• AS1299 Arelion Sweden AB
• AS2914 NTT America, Inc.
• AS6939 Hurricane Electric LLC
• AS174 Cogent Communications, LLC
• AS34549 meerfarbig GmbH & Co. KG
• AS3257 GTT Communications Inc.
• AS50304 Blix Solutions AS
• AS37721 Virtual Technologies & Solutions
• AS50300 CustodianDC Limited
• AS17639 Converge ICT Solutions Inc.
• AS48185 team.blue NV
• AS24482 SG.GS
• AS48362 Stadtwerke Feldkirch
• AS3216 PJSC "Vimpelcom"
• AS3741 Dimension Data
• AS37100 SEACOM Limited
• AS57463 NetIX Communications JSC
• AS12552 GlobalConnect AB
• AS12779 IT.Gate S.p.A.
• AS9002 RETN Limited
• AS213241 TECHIT.BE SRL
• AS25091 IP-Max SA

Adjacent networks

• AS1299 Arelion Sweden AB
• AS2914 NTT America, Inc.
• AS6939 Hurricane Electric LLC
• AS174 Cogent Communications, LLC
• AS34549 meerfarbig GmbH & Co. KG
• AS3257 GTT Communications Inc.
• AS50304 Blix Solutions AS
• AS37721 Virtual Technologies & Solutions
• AS48185 team.blue NV
• AS17639 Converge ICT Solutions Inc.
• AS50300 CustodianDC Limited
• AS24482 SG.GS
• AS48362 Stadtwerke Feldkirch
• AS57463 NetIX Communications JSC
• AS3741 Dimension Data
• AS37100 SEACOM Limited
• AS12552 GlobalConnect AB
• AS3216 PJSC "Vimpelcom"
• AS12779 IT.Gate S.p.A.
• AS9002 RETN Limited
• AS213241 TECHIT.BE SRL
• AS25091 IP-Max SA

Internet exchanges

• LINX LON1 — London, United Kingdom
• London Network Access Point — London, United Kingdom