All ASNs

Autonomous System details for AS786

AS786

Jisc Services Limited • ja.net

AS786 — Jisc Services Limited

AS Name

JANET

Country

United Kingdom (GB)

Website

ja.net

Number of IPv4

6,981,376

Number of IPv6

2.06 × 10³⁰

ASN type

Education

Status

Allocated

Registry

RIPE

Allocated

September 18, 2002

Last updated

July 01, 2026

IP Ranges

210 IPv4 prefixes, 7 IPv6 prefixes

Prefix	Company	Number of IPs
45.88.80.0/23	LIR Limited	512
46.254.200.0/21	Welsh Government	2,048
77.241.76.0/22	University College London	1,024
81.87.0.0/16	Canterbury Christ Church University	65,536
83.138.32.0/21	Jisc Services Limited	2,048
92.245.224.0/19	Welsh Government	8,192
128.16.0.0/16	University College London	65,536
128.40.0.0/16	University College London	65,536
128.41.0.0/18	University College London	16,384
128.86.0.0/16	Jisc Services Limited	65,536
128.232.0.0/16	The Chancellor Masters & Scholars Of The University Of Cambridge	65,536
128.240.0.0/16	University of Newcastle upon Tyne	65,536
128.243.0.0/16	The University of Nottingham	65,536
129.11.0.0/16	University of Leeds	65,536
129.12.0.0/16	University of Kent	65,536
129.31.0.0/16	Imperial College of Science, Technology and Medicine	65,536
129.67.0.0/16	University of Oxford	65,536
129.169.0.0/16	The Chancellor Masters & Scholars Of The University Of Cambridge	65,536
129.215.0.0/16	The University of Edinburgh	65,536
129.234.0.0/16	University of Durham	65,536
130.88.0.0/16	The University of Manchester	65,536
130.159.0.0/16	The University of Strathclyde	65,536
130.209.0.0/16	University of Glasgow	65,536
130.246.0.0/16	Science Technology Facilities Council	65,536
131.111.0.0/16	The Chancellor Masters & Scholars Of The University Of Cambridge	65,536
131.227.0.0/16	University of Surrey	65,536
131.231.0.0/16	Loughborough University	65,536
131.251.0.0/16	Cardiff University	65,536
134.36.0.0/16	University of Dundee	65,536
134.83.0.0/16	Brunel University London	65,536
134.151.0.0/16	Aston University	65,536
134.219.0.0/16	Royal Holloway and Bedford New College	65,536
134.220.0.0/16	University of Wolverhampton	65,536
134.225.0.0/16	University of Reading	65,536
136.148.32.0/19	London South Bank University	8,192
136.148.104.0/21	London South Bank University	2,048
136.148.112.0/20	London South Bank University	4,096
136.148.160.0/19	London South Bank University	8,192
136.148.224.0/19	London South Bank University	8,192
136.156.0.0/19	European Centre for Medium-Range Weather Forecasts (ECMWF)	8,192
136.156.88.0/22	European Centre for Medium-Range Weather Forecasts (ECMWF)	1,024
136.156.160.0/21	European Centre for Medium-Range Weather Forecasts (ECMWF)	2,048
136.156.176.0/21	European Centre for Medium-Range Weather Forecasts (ECMWF)	2,048
137.44.0.0/18	Swansea University	16,384
137.50.0.0/16	University of Aberdeen	65,536
137.73.0.0/16	King's College London	65,536
137.108.0.0/16	Open University	65,536
137.195.0.0/16	Heriot-Watt University	65,536
137.222.0.0/16	University of Bristol	65,536
137.253.0.0/16	University of London	65,536
138.38.0.0/16	University of Bath	65,536
138.40.0.0/16	City St. George's, University of London	65,536
138.250.0.0/15	Cranfield University	131,072
138.253.0.0/16	University of Liverpool	65,536
139.133.0.0/16	University of Aberdeen	65,536
139.153.0.0/16	University of Stirling	65,536
139.166.0.0/16	National Oceanography Centre	65,536
139.184.0.0/16	University of Sussex	65,536
139.184.0.0/17	University of Sussex	32,768
139.184.128.0/17	University of Sussex	32,768
139.222.0.0/16	University of East Anglia	65,536
140.97.0.0/16	London Metropolitan University	65,536
141.163.0.0/18	University of Plymouth	16,384
141.163.64.0/19	University of Plymouth	8,192
141.163.96.0/20	University of Plymouth	4,096
141.241.0.0/16	Kingston University	65,536
143.52.0.0/15	Sheffield Hallam University	131,072
143.117.0.0/16	Queens University Belfast	65,536
143.167.0.0/16	University of Sheffield	65,536
143.210.0.0/16	University of Leicester	65,536
143.234.0.0/16	Scottish Agricultural & Biological Research Institutes	65,536
144.32.0.0/16	University of York	65,536
144.82.0.0/16	University College London	65,536
144.124.0.0/17	Aberystwyth University	32,768
144.173.0.0/16	University of Exeter	65,536
146.87.0.0/16	University of Salford	65,536
146.97.0.0/16	Jisc Services Limited	65,536
146.169.0.0/16	Imperial College of Science, Technology and Medicine	65,536
146.176.0.0/16	Edinburgh Napier University	65,536
146.179.0.0/16	Imperial College of Science, Technology and Medicine	65,536
146.191.0.0/16	University of The West Of Scotland	65,536
146.227.0.0/16	De Montfort University	65,536
147.143.0.0/16	Dummy Organisation Object	65,536
147.188.0.0/16	University of Birmingham	65,536
147.197.0.0/16	University of Hertfordshire	65,536
148.79.0.0/16	Daresbury Laboratory Site Network	65,536
148.88.0.0/16	University of Lancaster	65,536
148.197.0.0/16	University of Portsmouth	65,536
149.155.0.0/16	Rothamsted Research Institute	65,536
149.170.0.0/21	Manchester Metropolitan University	2,048
149.170.8.0/21	Manchester Metropolitan University	2,048
149.170.16.0/21	Manchester Metropolitan University	2,048
149.170.24.0/21	Manchester Metropolitan University	2,048
149.170.32.0/21	Manchester Metropolitan University	2,048
149.170.40.0/21	Manchester Metropolitan University	2,048
149.170.48.0/21	Manchester Metropolitan University	2,048
149.170.64.0/21	Manchester Metropolitan University	2,048
149.170.72.0/21	Manchester Metropolitan University	2,048
149.170.80.0/21	Manchester Metropolitan University	2,048
149.170.88.0/21	Manchester Metropolitan University	2,048
2001:630::/32	Jisc Services Limited	7.92 × 10²⁸
2001:678:718::/48	University of Sussex	1.21 × 10²⁴
2a03:aba0::/29	University College London	6.34 × 10²⁹
2a05:b400::/32	The Chancellor Masters & Scholars Of The University Of Cambridge	7.92 × 10²⁸
2a09:9180:fd::/48	ECMWF RDG	1.21 × 10²⁴
2a0a:200::/29	University of Oxford	6.34 × 10²⁹
2a0c:5bc0::/29	Imperial College of Science, Technology and Medicine	6.34 × 10²⁹

This table only shows the first 100 of the set of IPv4 and IPv6 prefixes. All data is available via our IP data API.

IP ranges are the different blocks of IP addresses advertised by an Autonomous System (AS). These ranges can be used by the same organization operating the AS, or by different organizations.

Peers of AS786

67 peers

AS1828 AS3170 AS3214 AS3216 AS3303 AS3491 AS4455 AS4637 AS5413 AS6461 AS6830 AS6908 AS6939 AS8220 AS8426 AS8455 AS9002 AS9044 AS12552 AS12779 AS13030 AS13237 AS14537 AS15412 AS18106 AS24482 AS25160 AS28792 AS29075 AS30844 AS31500 AS31742 AS32590 AS33891 AS34288 AS35266 AS37271 AS37468 AS39120 AS39122 AS41095 AS41327 AS42473 AS42708 AS48185 AS51185 AS51907 AS52075 AS61049 AS137409 AS2856 AS6667 AS6894 AS8359 AS8943 AS8966 AS20965 AS23764 AS25091 AS29169 AS37662 AS39351 AS41811 AS48070 AS49544 AS50300 AS207841

AS786 peers with these other Autonomous Systems.

Peering is a direct, often free, traffic exchange between Autonomous Systems (ASNs). They share routes only to their own networks and customers, making connections faster and cheaper for that specific traffic, without providing full internet access to each other.

Upstreams of AS786

3 upstreams

AS1299 AS3356 AS215638

AS786 uses these Autonomous Systems as its upstreams.

An upstream (or transit provider) is another AS that AS786 pays for full internet connectivity, allowing it to reach all global destinations and be reachable by them.

Downstreams of AS786

26 downstreams

AS7 AS15770 AS29626 AS31256 AS33967 AS35832 AS44369 AS44403 AS44442 AS56670 AS57907 AS60187 AS60282 AS196902 AS198032 AS198222 AS198863 AS198864 AS199131 AS199713 AS201773 AS202575 AS206490 AS207039 AS209198 AS209237

AS786 provides internet connectivity to these downstream Autonomous Systems.

A downstream is a customer Autonomous System that pays another AS (its provider) for internet access. The provider AS carries the downstream's traffic and makes its network reachable.