JANET IPv4 Multicast Beacon Matrix

Current server time is Sun May 19 01:54:21 2013 (Live stats)

Snapshot stats at Sat Aug 18 15:20:00 2012 (60 seconds average)

View [?] (Hide Source Info, Full, ASM and SSM, ASM only):

TTL (hop count)
Loss (percentage)
Delay (ms)
Jitter (ms)

Matrix cell colors:

Full connectivity (ASM and SSM)

ASM only

SSM only

Beacons with no connectivity

128.40.19.79 (UCL, c.byelong@ucl.ac.uk)
128.40.205.129 (University, c.byelong@ucl.ac.uk)
128.61.5.203 (GaTech-pursuit, scott@gatech.edu)
128.86.16.47 (isis.ja.net, rhe@nosc.ja.net)
129.11.144.218 (University of Leeds Computing, accessgrid@comp.leeds.ac.uk)
129.11.59.82 (Leeds University, c.p.howley@leeds.ac.uk)
129.215.200.43 (The University of Edinburgh informal mk2, Sam.Wilson@ed.ac.uk)
130.159.107.35 (Strathclyde3 [LIV], beacon@strath.ac.uk)
130.159.16.195 (University of Strathclyde, beacon@strath.ac.uk)
130.159.96.195 (Strathclyde2 [ITS], beacon@strath.ac.uk)
130.209.10.97 (Glasgow University, network@gla.ac.uk)
130.220.152.45 (UniSA Desktop Beacon, brook.schofield@unisa.edu.au)
130.220.152.6 (catbert.ml.unisa.edu.au, vince.librandi@unisa.edu.au)
130.220.79.162 (gilead.ml.unisa.edu.au, brook.schofield@unisa.edu.au)
130.88.13.137 (roberts.agsc.man.ac.uk, support@agsc.ja.net)
130.88.13.138 (virgo.agsc.man.ac.uk, support@agsc.ja.net)
130.88.13.139 (cooper.agsc.man.ac.uk, support@agsc.ja.net)
131.251.128.240 (beacon.grid.cf.ac.uk, biggiebl@cf.ac.uk)
131.251.128.86 (dbeacon.grid.cf.ac.uk, biggiebl@cf.ac.uk)
131.251.134.110 (fogg.cf.ac.uk, biggiebl@cf.ac.uk)
134.129.95.120 (NDSU, bruce.curtis@ndsu.edu)
134.225.254.242 (UniReading, noc@reading.ac.uk)
134.84.88.62 (UMN, digravin@umn.edu)
137.44.1.95 (Swansea University, s.r.williams@swansea.ac.uk)
138.38.1.11 (SWERN, support@swern.net.uk)
138.38.1.5 (SWERN[Bath], support@swern.net.uk)
138.44.16.253 (uts-aarnet, ipf@aarnet.edu.au)
139.133.204.172 (UofA-ERG, beacon@erg.abdn.ac.uk)
139.133.204.7 (UofA-ERG, beacon@erg.abdn.ac.uk)
139.133.7.123 (University of Aberdeen, michael.forrest@abdn.ac.uk)
139.133.7.200 (University of Aberdeen [Campus], michael.forrest@abdn.ac.uk)
143.167.38.58 (Sheffield MAGIC, N.P.Strickland@sheffield.ac.uk)
143.167.4.76 (Sheffield Strickland, N.P.Strickland@sheffield.ac.uk)
143.215.254.18 (GT-campus2, scott@gatech.edu)
144.124.19.40 (Aberystwyth, ahj@aber.ac.uk)
144.124.20.153 (Aberystwyth, ahj@aber.ac.uk)
145.100.3.2 (SARA, nrg@sara.nl)
145.19.1.180 (HZ, eddy@hzeeland.nl)
145.19.100.1 (HZ-dia, eddy@hzeeland.nl)
147.143.1.201 (Test1 Bangor University, networks@bangor.ac.uk)
147.143.2.107 (Bangor University, networks@bangor.ac.uk)
147.143.50.10 (Bangor University, networks@bangor.ac.uk)
148.88.1.39 (Lancaster, i.anderson@lancaster.ac.uk)
148.88.15.242 (beacon.lancs.ac.uk, i.anderson@lancaster.ac.uk)
148.88.15.245 (Lancaster, i.anderson@lancaster.ac.uk)
148.88.15.247 (beacon2.lancs.ac.uk, i.anderson@lancs.ac.uk)
148.88.64.14 (core.beacon.lancs.ac.uk, i.anderson@lancaster.ac.uk)
152.78.1.1 (University of Southampton [Beacon2], mike@soton.ac.uk)
152.78.109.1 (ISS [Test Dev], mike@soton.ac.uk)
152.78.132.132 (University of Southampton [Tigger], mike@soton.ac.uk)
152.78.135.214 (University of Southampton [Test2], mike@soton.ac.uk)
152.78.180.129 (University of Southampton [nettest2], mike@soton.ac.uk)
152.78.189.236 (University of Southampton [Fluffy], mike@soton.ac.uk)
152.78.189.28 (University of Southampton [ECS LAN], njh@ecs.soton.ac.uk)
152.78.189.5 (University of Southampton [ECS DMZ], tjc@ecs.soton.ac.uk)
152.78.232.253 (ISS [Test Dev], mike@soton.ac.uk)
152.78.239.51 (University of Southampton [ECS-AGR], njh@ecs.soton.ac.uk)
152.78.53.242 (University of Southampton [NetTest], mike@soton.ac.uk)
152.78.64.80
152.78.64.85 (University of Southampton [ECS LAN], njh@ecs.soton.ac.uk)
155.198.51.97 (NSG, phil@ic.ac.uk)
192.150.184.111 (BEN, ben.green@manchester.ac.uk)
192.150.184.65 (cooper.agsc.man.ac.uk, support@agsc.ja.net)
192.150.184.66 (ag-test, anthony.ryan@manchester.ac.uk)
192.150.184.77 (sam.ag.manchester.ac.uk, support@agsc.ja.net)
192.150.184.82 (kilburn-117.ag.manchester.ac.uk, support@agsc.ja.net)
192.150.184.95 (kuipers.ag.manchester.ac.uk, support@agsc.ja.net)
192.150.184.96 (memetic.ag.manchester.ac.uk, Andrew.Rowley@manchester.ac.uk)
192.87.78.202 (Zeeuwse_Bibliotheek, mlan@zebi.nl)
192.87.78.211 (Zeeuwse_Bibliotheek, mlan@zebi.nl)
193.50.20.70 (TvRAP, rap-ds@rap.prd.fr)
193.60.15.8 (wiked.dcs.aber.ac.uk, dap@aber.ac.uk)
193.60.199.162 (UKERNA, s.williams@ukerna.ac.uk)
194.66.26.42 (tezcatlipoca, anthony.ryan@manchester.ac.uk)
194.66.31.10 (Net North West [Liverpool], anthony.ryan@netnw.net.uk)
194.66.31.14 (Net North West [Manchester RH], anthony.ryan@netnw.net.uk)
194.66.31.18 (Net North West, anthony.ryan@manchester.ac.uk)
194.66.31.2 (Net North West [Manchester], anthony.ryan@netnw.net.uk)
194.66.31.33 (Net, anthony.ryan@manchester.ac.uk)
194.66.31.42430 (Net North West [Manchester KB], anthony.ryan@netnw.net.uk)
194.66.31.6 (Net North West [Preston], anthony.ryan@netnw.net.uk)
194.66.31.66 (Net North West [Manchester KB], anthony.ryan@netnw.net.uk)
194.80.134.126 (knight.agsc.man.ac.uk, support@agsc.ja.net)
194.80.134.26 (AGSC, support@agsc.ja.net)
194.80.134.30 (fraser.ag.manchester.ac.uk, support@agsc.ja.net)
194.81.2.173 (YHMAN[LEE], yhmanops@leeds.ac.uk)
194.81.56.217 (EaStMAN, operations@eastman.net.uk)
194.81.60.170 (AbMAN-EW, beacon@abman.net.uk)
194.81.60.178 (AbMAN-FH, beacon@abman.net.uk)
194.81.60.70 (AbMAN-UK, beacon@abman.net.uk)
194.81.63.5 (ClydeNET, cod@clyde.net.uk)
194.82.125.21 (SWERN[Plymouth], support@swern.net.uk)
194.82.154.4 (Imperial non-firewalled, network.support@imperial.ac.uk)
195.194.38.205 (LeNSE, beacon@lense.net.uk)
195.194.48.209 (sam.ag.manchester.ac.uk, support@agsc.ja.net)
195.194.48.210 (kuipers.ag.manchester.ac.uk, support@agsc.ja.net)
195.194.48.217 (virgo.agsc.man.ac.uk, support@agsc.ja.net)
202.158.195.132 (mel-a-ext1, aplta@aarnet.edu.au)
202.158.195.196 (bne-a-ext1, aplta@aarnet.edu.au)
202.158.195.4 (per-a-ext1, aplta@aarnet.edu.au)
202.158.195.68 (adl-a-ext1, aplta@aarnet.edu.au)
202.158.196.134 (syd-a-ext1, ian.farquhar@aarnet.edu.au)
202.158.205.227 (test-lap, ipf@aarnet.edu.au)
203.80.16.82 (MYREN, helpdesk@myren.net.my)
205.189.33.35 (CANARIEIPv4beacon, malcolm@canarie.ca)
212.219.151.194 (University of Southampton [Lense Test], mike@soton.ac.uk)
212.219.196.74 (Bangor University external, networks@bangor.ac.uk)
212.219.242.131 (WNL, j.d.agland@swansea.ac.uk)
212.219.242.132 (PSBA CPoP 3, c.a.price@wnl.net)
AGSC (AGSC)
AbMAN [EW2] (AbMAN [EW2])
AbMAN [EW] (AbMAN [EW])
AbMAN [FH] (AbMAN [FH])
AbMAN-EW (AbMAN-EW)
AbMAN-EW-UK (AbMAN-EW-UK)
AbMAN-FH (AbMAN-FH)
AbMAN-UK (AbMAN-UK)
Aberystwyth (Aberystwyth)
Anthony Ryan (Anthony Ryan)
BEN (BEN)
Bangor University (Bangor University)
Bangor University external (Bangor University external)
CANARIEIPv4beacon (CANARIEIPv4beacon)
CANARIEbeacon (CANARIEbeacon)
ClydeNET (ClydeNET)
EaStMAN (EaStMAN)
Electronics Research Group (Electronics Research Group)
GT-campus2 (GT-campus2)
GUCS (GUCS)
GaTech (GaTech)
GaTech-pursuit (GaTech-pursuit)
Glasgow University (Glasgow University)
HZ (HZ)
HZ-dia (HZ-dia)
ICT Networks (ICT Networks)
ISS [Test Dev] (ISS [Test Dev])
Imperial (Imperial)
Imperial College net support (Imperial College net support)
Imperial firewalled (Imperial firewalled)
Imperial non-firewalled (Imperial non-firewalled)
Lancaster (Lancaster)
Lancaster University (Lancaster University)
LeNSE (LeNSE)
LeNSE Test Net (LeNSE Test Net)
Leeds University (Leeds University)
MYREN (MYREN)
Memetic (Memetic)
NDSU (NDSU)
NNW (NNW)
NNW Manchester (NNW Manchester)
NNW Stoke (NNW Stoke)
NOSC (NOSC)
NSG (NSG)
Net (Net)
Net North West (Net North West)
Net North West Manchester (Net North West Manchester)
Net North West Stoke (Net North West Stoke)
Net North West [Liverpool] (Net North West [Liverpool])
Net North West [Manchester KB] (Net North West [Manchester KB])
Net North West [Manchester RH] (Net North West [Manchester RH])
Net North West [Manchester2] (Net North West [Manchester2])
Net North West [Manchester] (Net North West [Manchester])
Net North West [Preston] (Net North West [Preston])
Net North West [Stoke] (Net North West [Stoke])
PSBA CPoP 3 (PSBA CPoP 3)
SARA (SARA)
SN6 RoN (SN6 RoN)
SWERN (SWERN)
SWERN[Bath] (SWERN[Bath])
SWERN[Exeter] (SWERN[Exeter])
SWERN[Plymouth] (SWERN[Plymouth])
Sheffield MAGIC (Sheffield MAGIC)
Sheffield Strickland (Sheffield Strickland)
Soton Uni [Lense Test] (Soton Uni [Lense Test])
Strathclyde Test (Strathclyde Test)
Strathclyde test beacon (Strathclyde test beacon)
Strathclyde2 [ITS] (Strathclyde2 [ITS])
Strathclyde3 [LIV] (Strathclyde3 [LIV])
Swansea (Swansea)
Swansea University (Swansea University)
Test1 Bangor University (Test1 Bangor University)
The University of Edinburgh informal (The University of Edinburgh informal)
The University of Edinburgh informal mk2 (The University of Edinburgh informal mk2)
TvRAP (TvRAP)
UCL (UCL)
UKERNA (UKERNA)
UMN (UMN)
UniReading (UniReading)
UniReading [WK core] (UniReading [WK core])
UniSA (UniSA)
UniSA Desktop Beacon (UniSA Desktop Beacon)
UniSA Desktop Beacon 2 (UniSA Desktop Beacon 2)
UniStrathclyde [ITS] (UniStrathclyde [ITS])
University (University)
University of Aberdeen (University of Aberdeen)
University of Aberdeen [Campus] (University of Aberdeen [Campus])
University of Aberdeen [ERG] (University of Aberdeen [ERG])
University of Leeds Computing (University of Leeds Computing)
University of Minnesota (University of Minnesota)
University of Reading (University of Reading)
University of Southampton [Beacon2] (University of Southampton [Beacon2])
University of Southampton [ECS AGR] (University of Southampton [ECS AGR])
University of Southampton [ECS DMZ] (University of Southampton [ECS DMZ])
University of Southampton [ECS LAN] (University of Southampton [ECS LAN])
University of Southampton [ECS-AGR] (University of Southampton [ECS-AGR])
University of Southampton [Fluffy] (University of Southampton [Fluffy])
University of Southampton [Lense Test] (University of Southampton [Lense Test])
University of Southampton [NetTest] (University of Southampton [NetTest])
University of Southampton [Test2] (University of Southampton [Test2])
University of Southampton [Tigger] (University of Southampton [Tigger])
University of Southampton [nettest2] (University of Southampton [nettest2])
University of Strathclyde (University of Strathclyde)
UoS-fluffy (UoS-fluffy)
UoS-tigger (UoS-tigger)
UofA-ERG (UofA-ERG)
WNL (WNL)
YHMAN[LEE] (YHMAN[LEE])
Zeeuwse_Bibliotheek (Zeeuwse_Bibliotheek)
aarnet-test-lap (aarnet-test-lap)
aber.ac.uk (aber.ac.uk)
adl-a-ext1 (adl-a-ext1)
ag-test (ag-test)
beacon.grid.cf.ac.uk (beacon.grid.cf.ac.uk)
beacon.lancs.ac.uk (beacon.lancs.ac.uk)
beacon.rdg.ac.uk (beacon.rdg.ac.uk)
beacon2.lancs.ac.uk (beacon2.lancs.ac.uk)
ben (ben)
bne-a-ext1 (bne-a-ext1)
canariebeac (canariebeac)
catbert.ml.unisa.edu.au (catbert.ml.unisa.edu.au)
cloch.clyde.net.uk (cloch.clyde.net.uk)
cooper.agsc.man.ac.uk (cooper.agsc.man.ac.uk)
core.beacon.lancs.ac.uk (core.beacon.lancs.ac.uk)
dbeacon.grid.cf.ac.uk (dbeacon.grid.cf.ac.uk)
fogg.cf.ac.uk (fogg.cf.ac.uk)
fraser.ag.manchester.ac.uk (fraser.ag.manchester.ac.uk)
gilead.ml.unisa.edu.au (gilead.ml.unisa.edu.au)
isis.ja.net (isis.ja.net)
kilburn-117.ag.manchester.ac.uk (kilburn-117.ag.manchester.ac.uk)
knight.agsc.man.ac.uk (knight.agsc.man.ac.uk)
kuipers.ag.manchester.ac.uk (kuipers.ag.manchester.ac.uk)
locutus (locutus)
locutus.netnw.net.uk (locutus.netnw.net.uk)
m002.grid.cf.ac.uk (m002.grid.cf.ac.uk)
mel-a-ext1 (mel-a-ext1)
memetic.ag.manchester.ac.uk (memetic.ag.manchester.ac.uk)
netstats.wnl.net (netstats.wnl.net)
per-a-ext1 (per-a-ext1)
roberts.agsc.man.ac.uk (roberts.agsc.man.ac.uk)
sam.ag.manchester.ac.uk (sam.ag.manchester.ac.uk)
syd-a-ext1 (syd-a-ext1)
test-lap (test-lap)
tezcatlipoca (tezcatlipoca)
tyrol (tyrol)
tyrol.netnw.net.uk (tyrol.netnw.net.uk)
uts-aarnet (uts-aarnet)
vanadium.ag.manchester.ac.uk (vanadium.ag.manchester.ac.uk)
virgo.agsc.man.ac.uk (virgo.agsc.man.ac.uk)
wiked.dcs.aber.ac.uk (wiked.dcs.aber.ac.uk)
www.beacon.ja.net (www.beacon.ja.net)

Age

Source Address

Admin Contact

L/M

SSM P

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matrix.pl - a tool for dynamic viewing of dbeacon information and history. by Hugo Santos, Sebastien Chaumontet and Hoerdt Micka�l