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
5
transit providers observed
Peers
18
settlement-free adjacencies
Downstreams
7
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
- Website
- http://www.node4.co.uk
- PeeringDB
- net/1723
- Exchanges
- 2
- Facilities
- 4
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Upstreams
Networks seen providing transit to this one
| Network | Country | Cone | IPv4 prefixes | Paths | Source |
|---|---|---|---|---|---|
| AS3356 Lumen (Level 3) | 🇺🇸 US | 72,813 | 2,073 | 42 | CAIDA |
| AS174 Cogent Communications, LLC | 🇺🇸 US | 67,515 | 3,894 | 224 | CAIDA |
| AS3257 GTT Communications Inc. | 🇺🇸 US | 65,696 | 1,909 | 3,981 | CAIDA |
| AS2914 NTT America, Inc. | 🇺🇸 US | 59,179 | 1,721 | 223 | CAIDA |
| AS9002 RETN Limited | 🇬🇧 GB | 55,369 | 14 | 4 | inferred |
Peers
Adjacencies that look settlement-free rather than transit
| Network | Country | Cone | IPv4 prefixes | Paths | Source |
|---|---|---|---|---|---|
| AS6939 Hurricane Electric LLC | 🇺🇸 US | 57,402 | 241 | 530 | CAIDA |
| AS6461 Zayo Bandwidth | 🇺🇸 US | 57,199 | 250 | 30 | CAIDA |
| AS4657 StarHub Ltd | 🇸🇬 SG | 38,640 | 208 | 87 | CAIDA |
| AS33891 Core-Backbone GmbH | 🇩🇪 DE | 30,597 | 1 | 174 | CAIDA |
| AS3216 PJSC Vimpelcom | 🇷🇺 RU | 26,504 | 591 | 82 | CAIDA |
| AS37721 Virtual Technologies & Solutions | 🇧🇫 BF | 24,283 | 64 | 83 | CAIDA |
| AS24482 SG.GS | 🇸🇬 SG | 24,078 | 45 | 86 | CAIDA |
| AS20562 Open Peering (Broadband Hosting B.V.) | 🇳🇱 NL | 22,335 | 0 | 42 | CAIDA |
| AS34549 meerfarbig GmbH & Co. KG | 🇩🇪 DE | 20,333 | 47 | 255 | CAIDA |
| AS13030 Init7 (Switzerland) Ltd. | 🇨🇠CH | 308 | 70 | 2 | CAIDA |
| AS17639 Converge ICT Solutions Inc. | 🇵🇠PH | 243 | 575 | 85 | CAIDA |
| AS29075 IELO-LIAZO SERVICES SAS | 🇫🇷 FR | 206 | 23 | 82 | CAIDA |
| AS42708 Glesys AB | 🇸🇪 SE | 98 | 203 | 86 | CAIDA |
| AS12779 IT.Gate S.p.A. | 🇮🇹 IT | 75 | 25 | 82 | CAIDA |
| AS50304 Blix Solutions AS | 🇳🇴 NO | 33 | 97 | 83 | CAIDA |
| AS48362 Stadtwerke Feldkirch | 🇦🇹 AT | 17 | 7 | 80 | CAIDA |
| AS48185 team.blue NV | 🇧🇪 BE | 14 | 1 | 85 | CAIDA |
| AS50300 CustodianDC Limited | 🇬🇧 GB | 10 | 39 | 85 | CAIDA |
Downstreams
Networks this one appears to provide transit to
| Network | Country | Cone | IPv4 prefixes | Paths | Source |
|---|---|---|---|---|---|
| AS29452 Secura Hosting Ltd | 🇬🇧 GB | 0 | 4 | 150 | CAIDA |
| AS44052 ICONIC MEDIA SYSTEMS LIMITED | 🇬🇧 GB | 0 | 3 | 120 | CAIDA |
| AS49793 LMP Technical Services Ltd | 🇬🇧 GB | 0 | 1 | 73 | CAIDA |
| AS39633 COMPUTER SYSTEMS INTEGRATION GROUP LIMITED | 🇬🇧 GB | 0 | 5 | 42 | CAIDA |
| AS39620 NG BAILEY IT SERVICES LIMITED | 🇬🇧 GB | 0 | 1 | 42 | CAIDA |
| AS208363 Cellhire France SARL | 🇫🇷 FR | 0 | 14 | 40 | CAIDA |
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.