AS31727 Node4 Limited 🇬🇧 GB

Announcing 145 prefixes, seen at the RIS collectors.

IPv4 prefixes
143
78,848 (308 × /24)
IPv6 prefixes
2
2 × /32
Upstreams
6
transit providers observed
Peers
18
settlement-free adjacencies
Downstreams
8
transit customers observed
Customer cone
7
ASes reachable through it

Registry and operator data

AS number
AS31727
Name
Node4 Limited
Organisation
Node4 Ltd
Country
🇬🇧 GB
RIR
RIPENCC
Allocated
2004-07-26
Network type
Cable/DSL/ISP
Traffic levels
10-20Gbps
Scope
Europe
Peering policy
Open
IRR as-set
AS-NODE4
PeeringDB
net/1723
Exchanges
2
Facilities
4

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

2 valid (1.4%) 0 invalid (0.0%) 143 no ROA (98.6%)

Upstreams

Networks seen providing transit to this one

Network Country Cone IPv4 prefixes Paths Source
AS3356 Lumen (Level 3) 🇺🇸 US 71,435 2,088 43 CAIDA
AS174 Cogent Communications, LLC 🇺🇸 US 66,375 3,955 231 CAIDA
AS3257 GTT Communications Inc. 🇺🇸 US 63,835 1,784 4,160 CAIDA
AS2914 NTT America, Inc. 🇺🇸 US 55,791 1,476 225 CAIDA
AS9002 RETN Limited 🇬🇧 GB 51,966 18 4 inferred
AS213241 TECHIT.BE SRL 🇧🇪 BE 0 14 2 inferred

Peers

Adjacencies that look settlement-free rather than transit

Network Country Cone IPv4 prefixes Paths Source
AS6939 Hurricane Electric LLC 🇺🇸 US 54,951 185 523 CAIDA
AS6461 Zayo Bandwidth 🇺🇸 US 52,413 213 28 CAIDA
AS33891 Core-Backbone GmbH 🇩🇪 DE 27,070 1 87 CAIDA
AS3216 Vimpelcom PJSC 🇷🇺 RU 25,051 590 81 CAIDA
AS20562 Open Peering (Broadband Hosting B.V.) 🇳🇱 NL 23,949 0 41 CAIDA
AS37721 Virtual Technologies & Solutions 🇧🇫 BF 23,865 64 84 CAIDA
AS15830 Equinix, Inc. 🇳🇱 NL 18,500 1,081 10 CAIDA
AS34549 meerfarbig GmbH & Co. KG 🇩🇪 DE 15,641 48 326 CAIDA
AS24482 SG.GS 🇸🇬 SG 4,870 45 85 CAIDA
AS17639 Converge ICT Solutions Inc. 🇵🇭 PH 274 567 84 CAIDA
AS25091 IP-Max SA 🇨🇭 CH 206 25 2 CAIDA
AS29075 IELO-LIAZO SERVICES SAS 🇫🇷 FR 202 23 83 CAIDA
AS42708 Glesys AB 🇸🇪 SE 106 210 3 CAIDA
AS12779 IT.Gate S.p.A. 🇮🇹 IT 76 25 81 CAIDA
AS50304 Blix Solutions AS 🇳🇴 NO 34 103 164 CAIDA
AS48362 Stadtwerke Feldkirch 🇦🇹 AT 16 8 84 CAIDA
AS48185 team.blue NV 🇧🇪 BE 14 1 84 CAIDA
AS50300 CustodianDC Limited 🇬🇧 GB 9 39 84 CAIDA

Downstreams

Networks this one appears to provide transit to

Network Country Cone IPv4 prefixes Paths Source
AS29452 Secura Hosting Ltd 🇬🇧 GB 0 4 149 CAIDA
AS44052 ICONIC MEDIA SYSTEMS LIMITED 🇬🇧 GB 0 3 123 CAIDA
AS49793 LMP Technical Services Ltd 🇬🇧 GB 0 1 75 CAIDA
AS39620 NG BAILEY IT SERVICES LIMITED 🇬🇧 GB 0 1 42 CAIDA
AS39633 COMPUTER SYSTEMS INTEGRATION GROUP LIMITED 🇬🇧 GB 0 5 41 CAIDA
AS208363 Cellhire France SARL 🇫🇷 FR 0 13 41 CAIDA
AS65539 Private Documentation ASN - 0 1 1 inferred

Relationships marked inferred come from where the two networks sit on the AS paths the collectors see, which is a guess and is wrong for some of them. The rest are stated by CAIDA's published inference over a much wider set of collectors.