AS786 Jisc Services Limited 🇬🇧 GB

Announcing 219 prefixes, seen at the RIS collectors.

IPv4 prefixes
212
6,980,096 (27,266 × /24)
IPv6 prefixes
7
26 × /32
Upstreams
5
transit providers observed
Peers
16
settlement-free adjacencies
Downstreams
25
transit customers observed
Customer cone
41
ASes reachable through it

Registry and operator data

AS number
AS786
Name
Jisc Services Limited
Organisation
Janet
Country
🇬🇧 GB
RIR
RIPENCC
Allocated
1993-09-01
Network type
Educational/Research
Traffic levels
1-5Tbps
Scope
Regional
Peering policy
Open
IRR as-set
AS-JANETPLUS
Looking glass
http://lg.ja.net
PeeringDB
net/961
Exchanges
4
Facilities
5

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

59 valid (26.9%) 0 invalid (0.0%) 160 no ROA (73.1%)

Upstreams

Networks seen providing transit to this one

Network Country Cone IPv4 prefixes Paths Source
AS3356 Lumen (Level 3) 🇺🇸 US 71,395 2,087 2,531 CAIDA
AS1299 Arelion (fka. Telia Carrier) 🇸🇪 SE 68,760 133 4,803 CAIDA
AS6762 Telecom Italia Sparkle (Seabone) 🇮🇹 IT 52,925 288 35 inferred
AS23764 China Telecom Global 🇭🇰 HK 46,570 181 1 CAIDA
AS20965 GEANT Vereniging 🇳🇱 NL 919 2 342 CAIDA

Peers

Adjacencies that look settlement-free rather than transit

Network Country Cone IPv4 prefixes Paths Source
AS6939 Hurricane Electric LLC 🇺🇸 US 54,152 185 1,836 CAIDA
AS6461 Zayo Bandwidth 🇺🇸 US 53,699 214 3 CAIDA
AS3491 PCCW Global (HK) Ltd. 🇭🇰 HK 51,101 532 343 CAIDA
AS9002 RETN Limited 🇬🇧 GB 50,814 18 1,640 CAIDA
AS4637 Telstra International Limited 🇭🇰 HK 43,501 666 331 CAIDA
AS6830 Liberty Global Europe Holding B.V. 🇳🇱 NL 36,475 166 1 CAIDA
AS33891 Core-Backbone GmbH 🇩🇪 DE 26,746 1 340 CAIDA
AS3216 Vimpelcom PJSC 🇷🇺 RU 24,711 591 318 CAIDA
AS61049 Exascale Ltd 🇬🇧 GB 15,535 17 1 CAIDA
AS24482 SG.GS 🇸🇬 SG 4,854 45 327 CAIDA
AS13030 Init7 (Switzerland) Ltd. 🇨🇭 CH 325 69 4 CAIDA
AS25091 IP-Max SA 🇨🇭 CH 207 25 7 CAIDA
AS42708 Glesys AB 🇸🇪 SE 106 210 316 CAIDA
AS29169 GANDI SAS 🇫🇷 FR 47 8 331 CAIDA
AS48185 team.blue NV 🇧🇪 BE 14 1 317 CAIDA
AS50300 CustodianDC Limited 🇬🇧 GB 9 39 329 CAIDA

Downstreams

Networks this one appears to provide transit to

Network Country Cone IPv4 prefixes Paths Source
AS33967 Lancashire County Council 🇬🇧 GB 10 3 106 CAIDA
AS60187 London Grid for Learning Trust 🇬🇧 GB 4 47 2,021 CAIDA
AS199713 MLL Telecom Ltd. 🇬🇧 GB 4 15 169 CAIDA
AS57907 CloudConnX Limited 🇬🇧 GB 2 2 42 CAIDA
AS7 The Defence Science and Technology Laboratory 🇪🇺 EU 0 18 796 CAIDA
AS198864 Queen Mary University of London 🇬🇧 GB 0 5 279 CAIDA
AS44369 emPSN Services Limited 🇬🇧 GB 0 5 213 CAIDA
AS44403 Bristol City Council 🇬🇧 GB 0 8 171 CAIDA
AS35832 Birmingham City Council 🇬🇧 GB 0 5 164 CAIDA
AS209237 NPL Management LTD 🇬🇧 GB 0 4 85 CAIDA
AS31256 Warwickshire County Council 🇬🇧 GB 0 2 85 CAIDA
AS201773 University of Warwick 🇬🇧 GB 0 2 85 CAIDA
AS206490 Southend-on-Sea City Council 🇬🇧 GB 0 2 84 CAIDA
AS56670 West Sussex County Council 🇬🇧 GB 0 2 84 CAIDA
AS29626 Staffordshire County Council 🇬🇧 GB 0 2 76 CAIDA
AS196902 Dudley Metropolitan Borough Council 🇬🇧 GB 0 1 75 CAIDA
AS198032 Cambridge Assessment 🇬🇧 GB 0 2 43 CAIDA
AS202575 University of Hull 🇬🇧 GB 0 1 43 CAIDA
AS44442 The Borough of Telford and Wrekin Council 🇬🇧 GB 0 1 43 CAIDA
AS198863 Cambridge University Press (Holdings) Limited 🇬🇧 GB 0 1 42 CAIDA
AS198222 West Herts College 🇬🇧 GB 0 1 42 CAIDA
AS60282 Coventry City Council 🇬🇧 GB 0 1 42 CAIDA
AS15770 Durham County Council 🇬🇧 GB 0 1 41 CAIDA
AS209198 Offshore Renewable Energy Catapult 🇬🇧 GB 0 1 29 CAIDA
AS199131 City of York Council 🇬🇧 GB 0 1 19 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.