AS786 Jisc Services Limited 🇬🇧 GB

Announcing 217 prefixes, seen at the RIS collectors.

IPv4 prefixes
210
6,971,136 (27,231 × /24)
IPv6 prefixes
7
26 × /32
Upstreams
4
transit providers observed
Peers
14
settlement-free adjacencies
Downstreams
25
transit customers observed
Customer cone
25,226
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
RIPE::AS-JANETPLUS
Looking glass
http://lg.ja.net
PeeringDB
net/961
Exchanges
3
Facilities
5

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

87 valid (40.1%) 0 invalid (0.0%) 130 no ROA (59.9%)

Upstreams

Networks seen providing transit to this one

Network Country Cone IPv4 prefixes Paths Source
AS3356 Lumen (Level 3) 🇺🇸 US 71,481 2,070 3,316 CAIDA
AS1299 Arelion (fka. Telia Carrier) 🇸🇪 SE 68,720 110 3,666 CAIDA
AS6762 Telecom Italia Sparkle (Seabone) 🇮🇹 IT 53,892 288 14 inferred
AS20965 GEANT Vereniging 🇳🇱 NL 25,913 2 338 CAIDA

Peers

Adjacencies that look settlement-free rather than transit

Network Country Cone IPv4 prefixes Paths Source
AS6939 Hurricane Electric LLC 🇺🇸 US 55,195 240 2,145 CAIDA
AS6461 Zayo Bandwidth 🇺🇸 US 53,988 250 7 CAIDA
AS3491 PCCW Global (HK) Ltd. 🇭🇰 HK 51,881 525 341 CAIDA
AS9002 RETN Limited 🇬🇧 GB 51,487 14 1,614 CAIDA
AS4637 Telstra International Limited 🇭🇰 HK 41,677 669 327 CAIDA
AS6830 Liberty Global Europe Holding B.V. 🇳🇱 NL 31,688 167 2 CAIDA
AS33891 Core-Backbone GmbH 🇩🇪 DE 27,878 1 649 CAIDA
AS3216 PJSC Vimpelcom 🇷🇺 RU 23,324 591 315 CAIDA
AS24482 SG.GS 🇸🇬 SG 20,407 45 325 CAIDA
AS13030 Init7 (Switzerland) Ltd. 🇨🇭 CH 305 70 11 CAIDA
AS42708 Glesys AB 🇸🇪 SE 96 203 316 CAIDA
AS29169 GANDI SAS 🇫🇷 FR 48 8 327 CAIDA
AS48185 team.blue NV 🇧🇪 BE 14 1 330 CAIDA
AS50300 CustodianDC Limited 🇬🇧 GB 9 39 328 CAIDA

Downstreams

Networks this one appears to provide transit to

Network Country Cone IPv4 prefixes Paths Source
AS7 The Defence Science and Technology Laboratory 🇪🇺 EU 25,195 18 813 CAIDA
AS60187 London Grid for Learning Trust 🇬🇧 GB 4 47 2,058 CAIDA
AS199713 MLL Telecom Ltd. 🇬🇧 GB 4 16 173 CAIDA
AS57907 CloudConnX Limited 🇬🇧 GB 2 2 43 CAIDA
AS198864 Queen Mary University of London 🇬🇧 GB 0 5 282 CAIDA
AS44369 emPSN Services Limited 🇬🇧 GB 0 5 218 CAIDA
AS44403 Bristol City Council 🇬🇧 GB 0 8 177 CAIDA
AS35832 Birmingham City Council 🇬🇧 GB 0 5 164 CAIDA
AS33967 Lancashire County Council 🇬🇧 GB 0 3 105 CAIDA
AS31256 Warwickshire County Council 🇬🇧 GB 0 2 87 CAIDA
AS209237 NPL Management LTD 🇬🇧 GB 0 2 86 CAIDA
AS56670 West Sussex County Council 🇬🇧 GB 0 2 86 CAIDA
AS201773 University of Warwick 🇬🇧 GB 0 2 86 CAIDA
AS206490 Southend-on-Sea City Council 🇬🇧 GB 0 2 86 CAIDA
AS29626 Staffordshire County Council 🇬🇧 GB 0 2 76 CAIDA
AS196902 Dudley Metropolitan Borough Council 🇬🇧 GB 0 1 75 CAIDA
AS44442 The Borough of Telford and Wrekin Council 🇬🇧 GB 0 1 44 CAIDA
AS198032 Cambridge Assessment 🇬🇧 GB 0 2 44 CAIDA
AS202575 University of Hull 🇬🇧 GB 0 1 44 CAIDA
AS60282 Coventry City Council 🇬🇧 GB 0 1 43 CAIDA
AS198222 West Herts College 🇬🇧 GB 0 1 43 CAIDA
AS198863 Cambridge University Press (Holdings) Limited 🇬🇧 GB 0 1 43 CAIDA
AS15770 Durham County Council 🇬🇧 GB 0 1 42 CAIDA
AS209198 Offshore Renewable Energy Catapult 🇬🇧 GB 0 1 30 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.