SWERN IPv4 Multicast Beacon

Current server time is Thu Sep 9 18:38:35 2010 (Live stats)

Current stats for

View [?] (Hide Source Info, Full, ASM, SSM, Both, SSM or ASM):

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

Matrix cell colors:

Full connectivity (ASM and SSM)

ASM only

SSM only

Loss > 15%

Loss > 45%

Beacons with no connectivity

128.146.222.138 (OSU, young.247@osu.edu)
128.61.5.203 (GaTech, scott@gatech.edu)
128.86.16.37 (ANSG-UKERNA-1, stanley.grant@ja.net)
128.86.16.38 (ANSG-UKERNA-2, stanley.grant@ja.net)
129.11.59.82 (Leeds University, c.p.howley@leeds.ac.uk)
130.159.107.35 (Strathclyde3 [LIV], beacon@strath.ac.uk)
130.159.16.195 (UniStrathclyde [ITS], beacon@strath.ac.uk)
130.159.96.195 (Strathclyde2 [ITS], beacon@strath.ac.uk)
130.209.10.97 (GUCS, network@gla.ac.uk)
130.88.13.138 (virgo.agsc.man.ac.uk, support@agsc.ja.net)
130.89.244.17 (UniversiteitTwente, dbeacon@utwente.nl)
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 [WK core], noc@reading.ac.uk)
134.84.88.62 (UMN, digravin@umn.edu)
138.38.1.11 (SWERN, support@swern.net.uk)
138.38.1.5 (SWERN[Bath], support@swern.net.uk)
139.133.204.172 (University of Aberdeen [ERG], beacon@erg.abdn.ac.uk)
139.133.7.200 (University of Aberdeen [Campus], a.matthews@abdn.ac.uk)
140.221.11.229 (ANL, turam@mcs.anl.gov)
140.221.123.142 (ANL, turam@mcs.anl.gov)
140.221.13.46 (MCS-Systems-Desk, systems@mcs.anl.gov)
140.221.8.37 (MCS, systems@mcs.anl.gov)
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 (SN6 RoN, nrg@sara.nl)
145.116.199.3 (Zeeuwse_Bibliotheek, mlan@zebi.nl)
145.19.1.180 (HZ, 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)
148.88.132.64 (University of Lancaster Testing, networking@rt.lancs.ac.uk)
148.88.15.242 (beacon.lancs.ac.uk, i.anderson@lancaster.ac.uk)
148.88.15.247 (beacon2.lancs.ac.uk, i.anderson@lancs.ac.uk)
148.88.208.108 (University of Lancaster, networking@rt.lancs.ac.uk)
148.88.64.14 (core.beacon.lancs.ac.uk, i.anderson@lancaster.ac.uk)
152.78.180.129 (University of Southampton [nettest2], mike@soton.ac.uk)
152.78.189.5 (University of Southampton [ECS DMZ], tjc@ecs.soton.ac.uk)
152.78.64.85 (University of Southampton [ECS LAN], njh@ecs.soton.ac.uk)
155.198.51.97 (Imperial firewalled, phil@ic.ac.uk)
192.5.170.17 (ANL-ANCHOR, anchor@anl.gov)
192.87.78.202 (Zeeuwse_Bibliotheek, mlan@zebi.nl)
192.87.78.211 (Zeeuwse_Bibliotheek, mlan@zebi.nl)
192.87.87.136 (Zeeuwse_Bibliotheek, mlan@zebi.nl)
193.60.11.7 (Aberystwyth University, tam9@aber.ac.uk)
193.60.15.8 (wiked.dcs.aber.ac.uk, dap@aber.ac.uk)
193.60.199.162 (UKERNA, s.williams@ukerna.ac.uk)
193.60.199.178 (JANET-brac, slg.beacon@ja.net)
193.60.199.179 (JANET-brac-t, slg.beacon@ja.net)
193.60.199.180 (JANET-test, slg.beacon@ja.net)
193.61.219.154 (aber.ac.uk, ahj@aber.ac.uk)
194.66.31.10 (Net North West [Liverpool], anthony.ryan@netnw.net.uk)
194.66.31.14 (Net North West [Manchester2], anthony.ryan@netnw.net.uk)
194.66.31.18 (Net North West [Stoke], anthony.ryan@netnw.net.uk)
194.66.31.2 (Net North West [Manchester], 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)
194.80.134.18 (JANETUK-beacon.ja.net, slg.beacon@ja.net)
194.80.134.19 (JANET-chil-t, slg.beacon@ja.net)
194.80.134.30 (fraser.ag.manchester.ac.uk, support@agsc.ja.net)
194.81.2.139 (YHMAN[LEE2], yhmanops@leeds.ac.uk)
194.81.2.173 (YHMAN, yhmanops@leeds.ac.uk)
194.81.56.217 (EaStMAN, operations@eastman.net.uk)
194.81.60.170 (AbMAN [EW], beacon@abman.ja.net)
194.81.60.178 (AbMAN [FH], beacon@abman.ja.net)
194.81.63.5 (ClydeNET, cod@clyde.net.uk)
194.82.120.3 (SWERN[Exeter], support@swern.net.uk)
194.82.120.4 (SWERN[Exeter], support@swern.net.uk)
194.82.120.5 (SWERN[Bath], support@swern.net.uk)
194.82.125.21 (SWERN, support@swern.net.uk)
194.82.125.49 (SWERN[Bath], support@swern.net.uk)
194.82.154.4 (ICT Networks, 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)
195.195.131.242 (JANETUK-vs1, slg.beacon@ja.net)
195.195.131.252 (JANETUK-vm10, slg.beacon@ja.net)
195.195.131.254 (JANET-vm12, slg.beacon@ja.net)
198.128.1.31 (ESnet, trouble@es.net)
2001:630:e1:1001:202:b3ff:fe02:6fd0 (SWERN[Bath])
205.189.33.35 (canariebeac, malcolm@canarie.ca)
212.219.196.74 (Bangor University external, networks@bangor.ac.uk)
212.219.242.131 (netstats.wnl.net, lln-sysadmin@wnl.net)
212.219.242.132 (PSBA CPoP 3, c.a.price@wnl.net)
212.219.255.169 (SWERN[Exeter College], support@swern.net.uk)
212.219.255.170 (SWERN[Exeter College], support@swern.net.uk)
ANCHOR-ANL (ANCHOR-ANL)
ANL (ANL)
ANL-ANCHOR (ANL-ANCHOR)
ANSG-UKERNA (ANSG-UKERNA)
ANSG-UKERNA-1 (ANSG-UKERNA-1)
ANSG-UKERNA-2 (ANSG-UKERNA-2)
AbMAN [EW] (AbMAN [EW])
AbMAN [FH] (AbMAN [FH])
Aberystwyth (Aberystwyth)
Aberystwyth University (Aberystwyth University)
Bangor University (Bangor University)
Bangor University external (Bangor University external)
CANARIEIPv4beacon (CANARIEIPv4beacon)
CANARIEbeacon (CANARIEbeacon)
ClydeNET (ClydeNET)
ESnet (ESnet)
ESnet[USA] (ESnet[USA])
EaStMAN (EaStMAN)
GT-campus2 (GT-campus2)
GUCS (GUCS)
GaTech (GaTech)
GaTech-pursuit (GaTech-pursuit)
Glasgow University (Glasgow University)
HZ (HZ)
Hogeschool Zeeland (Hogeschool Zeeland)
ICT Networks (ICT Networks)
Imperial (Imperial)
Imperial College net support (Imperial College net support)
Imperial firewalled (Imperial firewalled)
Imperial non-firewalled (Imperial non-firewalled)
JANET-brac (JANET-brac)
JANET-brac-t (JANET-brac-t)
JANET-chil (JANET-chil)
JANET-chil-t (JANET-chil-t)
JANET-test (JANET-test)
JANET-vm10 (JANET-vm10)
JANET-vm12 (JANET-vm12)
JANETUK-1 (JANETUK-1)
JANETUK-2 (JANETUK-2)
JANETUK-beacon (JANETUK-beacon)
JANETUK-beacon.ja.net (JANETUK-beacon.ja.net)
JANETUK-beacon0 (JANETUK-beacon0)
JANETUK-chil (JANETUK-chil)
JANETUK-vm10 (JANETUK-vm10)
JANETUK-vm10.vs1 (JANETUK-vm10.vs1)
JANETUK-vm12 (JANETUK-vm12)
JANETUK-vm12.vs1 (JANETUK-vm12.vs1)
JANETUK-vs1 (JANETUK-vs1)
LeNSE (LeNSE)
Leeds University (Leeds University)
MCS (MCS)
MCS-ANL (MCS-ANL)
MCS-Systems-Desk (MCS-Systems-Desk)
NDSU (NDSU)
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])
OSU (OSU)
PSBA CPoP 3 (PSBA CPoP 3)
SARA (SARA)
SN6 RoN (SN6 RoN)
SWERN (SWERN)
SWERN[Bath] (SWERN[Bath])
SWERN[Exeter College] (SWERN[Exeter College])
SWERN[Exeter] (SWERN[Exeter])
SWERN[Plymouth] (SWERN[Plymouth])
SWERN[Test-bench] (SWERN[Test-bench])
Strathclyde2 [ITS] (Strathclyde2 [ITS])
Strathclyde3 [LIV] (Strathclyde3 [LIV])
Swansea PSBA CPoP (Swansea PSBA CPoP)
Test1 Bangor University (Test1 Bangor University)
UKERNA (UKERNA)
UKERNA-1 (UKERNA-1)
UKERNA-2 (UKERNA-2)
UKERNA-vm10.vs1 (UKERNA-vm10.vs1)
UKERNA-vm12.vs1 (UKERNA-vm12.vs1)
UMN (UMN)
UniReading [WK core] (UniReading [WK core])
UniStrathclyde [ITS] (UniStrathclyde [ITS])
UniversiteitTwente (UniversiteitTwente)
University of Aberdeen [Campus] (University of Aberdeen [Campus])
University of Aberdeen [ERG] (University of Aberdeen [ERG])
University of Lancaster (University of Lancaster)
University of Lancaster Testing (University of Lancaster Testing)
University of Minnesota (University of Minnesota)
University of Southampton [ECS DMZ] (University of Southampton [ECS DMZ])
University of Southampton [ECS LAN] (University of Southampton [ECS LAN])
University of Southampton [nettest2] (University of Southampton [nettest2])
WNL (WNL)
YHMAN (YHMAN)
YHMAN[LEE2] (YHMAN[LEE2])
YHMAN[LEE] (YHMAN[LEE])
Zeeuwse_Bibliotheek (Zeeuwse_Bibliotheek)
aber.ac.uk (aber.ac.uk)
beacon-test (beacon-test)
beacon.grid.cf.ac.uk (beacon.grid.cf.ac.uk)
beacon.lancs.ac.uk (beacon.lancs.ac.uk)
beacon2.lancs.ac.uk (beacon2.lancs.ac.uk)
canariebeac (canariebeac)
cloch.clyde.net.uk (cloch.clyde.net.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)
knight.agsc.man.ac.uk (knight.agsc.man.ac.uk)
kuipers.ag.manchester.ac.uk (kuipers.ag.manchester.ac.uk)
m002.grid.cf.ac.uk (m002.grid.cf.ac.uk)
netstats.wnl.net (netstats.wnl.net)
sam.ag.manchester.ac.uk (sam.ag.manchester.ac.uk)
usul.es.net (usul.es.net)
virgo.agsc.man.ac.uk (virgo.agsc.man.ac.uk)
wiked.dcs.aber.ac.uk (wiked.dcs.aber.ac.uk)

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