Abilene Aggregate Network Statistics


The following statistics are taken from the 24 hour period
prior to 7PM on 2004-10-11

#------------------------------#
# Aggregate Network Statistics #
#------------------------------#

Total amount of data sent across the Abilene network.

     Avg Mbps  % Utilization    Number of GBytes xferred
     --------  -------------    ------------------------
In    21894.1     3.024              230914
Out   21926.5     3.029              231256

#--------------------#
# Inbound Statistics #
#--------------------#

List of inbound traffic toward Abilene, separated by source network
and sorted from most active to least active.

    Mbps   %Util Xferred Gb  Network
   ------  ----- ----------  -------
 1 1382.1   14.5    14577.2  Backbone circuit to Kansas City (OC-192)
 2 1330.7   14.0    14034.8  Backbone circuit to Denver (OC-192)
 3 1251.7   13.1    13201.7  Backbone circuit to Chicago (OC-192)
 4 1230.4   12.9    12976.5  Backbone circuit to Indianapolis (OC-192)
 5 1219.9   12.8    12866.0  Backbone circuit to Indianapolis (OC-192)
 6 1081.2   11.3    11403.2  Backbone circuit to Kansas City (OC-192)
 7  945.6    9.9     9973.2  Backbone circuit to New York (OC-192)
 8  813.6    8.5     8581.2  Backbone circuit to Washington (OC-192)
 9  675.3    7.1     7122.4  Backbone circuit to Sunnyvale (OC-192)
10  665.0    7.0     7013.2  Backbone circuit to Chicago (OC-192)
11  663.7    7.0     7000.3  Backbone circuit to New York City  (OC-192)
12  632.4    6.6     6669.7  Backbone circuit to Sunnyvale (OC-192)
13  566.3    5.9     5972.7  Backbone circuit to Los Angeles (OC-192)
14  553.1    5.8     5833.8  Backbone circuit to Denver (OC-192)
15  535.6    5.6     5649.4  Backbone circuit to Seattle (OC-192)
16  508.1   21.4     5358.8  MAX (via MAX) (OC-48)
17  450.7    4.7     4753.9  Backbone circuit to Washington D.C. (OC-192)
18  442.2    4.6     4663.5  Calren (10GIGE)
19  386.2    4.0     4073.6  Backbone circuit to Denver (OC-192)
20  377.0   15.9     3975.7  Microsoft (OC-48)
21  353.8   14.9     3731.9  Northern Crossroads (NOX) (OC-48)
22  324.4    3.4     3421.3  Backbone circuit to Atlanta (OC-192)
23  310.1   52.3     3270.3  Oregon Gigapop (OC-12)
24  273.9    2.9     2888.3  Backbone circuit to Houston (OC-192)
25  268.0    2.8     2827.0  Backbone circuit to Atlanta (OC-192)
26  256.3   10.8     2703.5  NCNI/MCNC (OC-48)
27  248.5    2.6     2620.9  Backbone circuit to Los Angeles (OC-192)
28  246.4   10.4     2598.7  Backbone circuit to Indianapolis (OC-48)
29  232.4    9.8     2451.2  Backbone circuit to Atlanta (OC-48)
30  226.0    2.4     2383.1  Backbone circuit to Sunnyvale (OC-192)
31  218.9    2.3     2308.8  GEANT New York (via MANLAN) (10GIGE)
32  208.7    2.2     2201.7  Backbone circuit to Houston (OC-192)
33  187.0    2.0     1971.8  Backbone circuit to Seattle (OC-192)
34  182.2    7.7     1921.7  Southern Crossroads (SOX) Gigapop (OC-48)
35  151.8   25.6     1601.2  NYSERnet-Buffalo (OC-12)
36  150.8   25.4     1590.4  MAGPI (OC-12)
37  134.4   22.6     1417.0  Front Range Gigapop (OC-12)
38  127.8   13.4     1348.3  NYSERNet-New York (GigE) (GIGE)
39  127.0    1.3     1339.2  Backbone circuit to Kansas City (OC-192)
40  123.9   13.0     1307.1  Indiana Gigapop (GIGE)
41  119.6    1.3     1261.7  Backbone circuit to Houston (OC-192)
42  115.8    4.9     1220.8  GEANT (Frankfurt) (OC-48)
43  112.1    4.7     1182.3  Pittsburgh Supercomputing Center (PSC) (OC-48)
44  103.6    1.1     1092.9  MREN (VLAN via STARLIGHT 6509) (10GIGE)
45   88.9   15.0      937.3  MERIT (OC-12)
46   87.7    0.9      924.9  Pacific Wave Exchange Point (10GIGE)
47   83.7    3.5      882.5  ESnet (OC-48)
48   75.7    0.8      797.9  Pacific Northwest Gigapop (10GIGE)
49   70.7   11.9      745.7  Onenet (OC-12)
50   59.1   10.0      623.2  WiscREN (OC-12)
51   57.4    2.4      605.2  OARNET (OC-48)
52   53.2    2.2      560.9  APAN via TransPAC (OC-48)
53   46.4    0.5      489.8  UMD NGIX Aggregate (10GIGE)
54   42.3    7.1      446.1  Great Plains Network (GPN) (OC-12)
55   41.6    0.4      438.8  IEEAF (OC-192)
56   40.2    6.8      423.9  University of Florida (OC-12)
57   35.8   24.2      377.9  Southeast Texas Gigapop (Houston) (OC-3)
58   34.5    0.4      364.1  CA*net3 Montreal (via MANLAN) (10GIGE)
59   33.9    5.7      357.1  Northern Lights Gigapop/ University of Minnesota (OC-12)
60   32.1   21.7      339.1  University of South Florida (OC-3)
61   30.2    0.3      318.2  ASNet (VLAN via STARLIGHT 6509) (10GIGE)
62   29.6    5.0      312.4  South Florida Gigapop/AMPATH (OC-12)
63   29.4   19.8      309.6  Iowa State (OC-3)
64   25.6   17.3      269.7  University of Arizona Gigapop (OC-3)
65   24.5    2.6      258.0  ESNET (GIGE)
66   23.2    0.2      244.8  vBNS (vlan via UMD NGIX) (10GIGE)
67   22.6   15.3      238.6  Intermountain Gigapop (Utah) (OC-3)
68   21.5   14.5      226.8  Drexel University (OC-3)
69   20.7   14.0      218.7  North Texas Gigapop (OC-3)
70   19.0    0.2      200.6  CANET-Toronto (VLAN via STARLIGHT 6509) (10GIGE)
71   17.6    0.2      185.4  NISN (vlan via UMD NGIX) (10GIGE)
72   16.9    2.8      177.9  University of Texas-Austin (OC-12)
73   15.3   10.3      161.2  Arizona State (OC-3)
74   13.9    0.1      147.1  KREONet2 (VLAN via STARLIGHT 6509)  (10GIGE)
75   13.9    9.4      146.7  CHECS-NET (NM Aggregate) (OC-3)
76   13.4    1.4      141.7  Backbone circuit to Indianapolis (GIGE)
77   11.9    8.0      125.3  Tulane University (OC-3)
78   11.1    7.5      117.5  University of Hawaii (OC-3)
79   10.8    7.3      113.4  University of Louisville (OC-3)
80   10.7    7.2      112.7  CUDI (Tunnel via Calren) (OC-3)
81   10.3    6.9      108.4  LANET (OC-3)
82   10.2    0.4      107.9  GEANT (OC-48)
83   10.0    0.1      105.3  GLORIAD (VLAN via STARLIGHT 6509) (10GIGE)
84    8.1    0.1       85.3  SINET (via MANLAN)  (10GIGE)
85    7.5    5.1       79.1  Texas Tech (OC-3)
86    6.9    4.6       72.6  University of Mississippi (PVC via Mississippi Gigapop) (OC-3)
87    6.8    0.1       71.4  HARnet (VLAN via STARLIGHT 6509) (10GIGE)
88    6.2    0.3       65.5  ESNET (OC-48)
89    5.6    3.8       59.2  Uninet (OC-3)
90    4.7    0.0       50.0  CERN (VLAN via STARLIGHT 6509) (10GIGE)
91    4.5    0.0       47.5  CANET-Winnipeg (VLAN via STARLIGHT 6509) (10GIGE)
92    4.2    2.8       43.9  University of Memphis (OC-3)
93    3.4    0.4       36.1  NGIX-West (VLAN via ESNET/I2 M5) (GIGE)
94    3.3    0.0       34.4  HEAnet (via MANLAN) (10GIGE)
95    3.0    2.0       31.4  Mississippi State (PVC via Mississippi State Gigapop) (OC-3)
96    2.8    0.0       29.8  NISN (VLAN via STARLIGHT 6509) (10GIGE)
97    2.6    1.8       27.4  Southern Mississippi (PVC via Mississippi State Gigapop) (OC-3)
98    2.5    0.1       26.4  ESNET (OC-48)
99    2.4    1.6       25.1  Worcester Polytechnic Institute (WPI) (OC-3)
100    1.9    0.0       20.2  MAX (vlan via UMD NGIX) (10GIGE)
101    1.9    0.0       19.9  DREN (vlan via UMD NGIX) (10GIGE)
102    1.8    0.0       19.4  USGS (vlan via UMD NGIX) (10GIGE)
103    1.4    0.0       15.1  DREN (VLAN via STARLIGHT 6509) (10GIGE)
104    1.1    0.7       11.5  Jackson State (PVC via Mississippi State Gigapop) (OC-3)
105    0.7    0.5        7.4  University of Texas-Dallas/Southwestern Medical Center (OC-3)
106    0.5    0.0        5.8  Qatar (via MANLAN)  (10GIGE)
107    0.2    0.0        2.4  DARPA BoSSNET (Boston South Network) (OC-48)
108    0.1    0.0        1.3  STARLIGHT (VLAN via STARLIGHT 6509) (10GIGE)
109    0.1    0.0        0.6  France Telecom - Multicast Only (VLAN via STARLIGHT 6509)  (10GIGE)
110    0.0    0.0        0.4  TransPAC/JGN2 circuit (VLAN via STARLIGHT Force10)  (10GIGE)
111    0.0    0.0        0.2  Pacific Wave Exchange Point (GIGE)
112    0.0    0.0        0.2  CA*net3 Toronto (via MANLAN)  (10GIGE)
113    0.0    0.0        0.2  CALREN North (OC-12)
114    0.0    0.0        0.1  NREN (VLAN via UMD NGIX) (10GIGE)
115    0.0    0.0        0.1  NREN (VLAN via STARLIGHT 6509) (10GIGE)
116    0.0    0.0        0.1  USGS (VLAN via STARLIGHT 6509) (10GIGE)
117    0.0    0.0        0.1  Abilene IPv6 Tunnel Router (OC-3)
118    0.0    0.0        0.0  SINET  (OC-48)
119    0.0    0.0        0.0  SURFNET (VLAN via STARLIGHT 6509) (10GIGE)
120    0.0    0.0        0.0  IEEAF (OC-12)
121    0.0    0.0        0.0  CERN temporary Demo - v4 (VLAN via STARLIGHT Force10) (10GIGE)
122    0.0    0.0        0.0  JAnet IPv6 (OC-3)
123    0.0    0.0        0.0  SINet IPv6  (OC-3)
124    0.0    0.0        0.0  Multiservice Switching Forum (MSF) (OC-12)
125    0.0    0.0        0.0  Singaren IPv6 (OC-3)
126    0.0    0.0        0.0  DREN (VLAN via STARLIGHT 6509) (10GIGE)
127    0.0    0.0        0.0  Qwest (OC-3)
128    0.0    0.0        0.0  6TAP (VLAN via STARLIGHT 6509) (10GIGE)
129    0.0    0.0        0.0  ESNET IPv6 (GIGE)
130    0.0    0.0        0.0  CERN temporary demo - v6 (VLAN via STARLIGHT Force10) (10GIGE)
131    0.0    0.0        0.0  DTF (VLAN via STARLIGHT 6509) (10GIGE)
132    0.0    0.0        0.0  Wright-Patterson Air Force Base (vlan via UMD NGIX) (10GIGE)
133    0.0    0.0        0.0  HARnet IPv6 (OC-3)
134    0.0    0.0        0.0  OARNet IPv6  (OC-3)
135    0.0    0.0        0.0  CUDI (GRE tunnel via UT-Austin) (OC-3)
136    0.0    0.0        0.0  University of Washington HD Demo for I2MM (10GIGE)
137    0.0    0.0        0.0  Keio (VLAN via Pacific Wave Los Angeles) (10GIGE)


#---------------------#
# Outbound Statistics #
#---------------------#

List of outbound traffic from Abilene, separated by destination network
and sorted from most active to least active.

    Mbps   %Util Xferred Gb  Network
   ------  ----- ----------  -------
 1 1382.2   14.5    14577.6  Backbone circuit to Indianapolis (OC-192)
 2 1330.7   14.0    14034.7  Backbone circuit to Kansas City (OC-192)
 3 1251.8   13.1    13202.1  Backbone circuit to Indianapolis (OC-192)
 4 1230.4   12.9    12977.2  Backbone circuit to Chicago (OC-192)
 5 1219.9   12.8    12865.9  Backbone circuit to Kansas City (OC-192)
 6 1081.2   11.3    11403.3  Backbone circuit to Denver (OC-192)
 7  945.6    9.9     9973.2  Backbone circuit to Chicago (OC-192)
 8  813.6    8.5     8581.1  Backbone circuit to New York City  (OC-192)
 9  675.3    7.1     7122.4  Backbone circuit to Denver (OC-192)
10  665.0    7.0     7013.5  Backbone circuit to New York (OC-192)
11  663.8    7.0     7000.6  Backbone circuit to Washington (OC-192)
12  632.4    6.6     6669.8  Backbone circuit to Los Angeles (OC-192)
13  566.3    5.9     5972.4  Backbone circuit to Sunnyvale (OC-192)
14  553.1    5.8     5833.8  Backbone circuit to Sunnyvale (OC-192)
15  535.6    5.6     5649.3  Backbone circuit to Denver (OC-192)
16  481.7    5.1     5080.1  Calren (10GIGE)
17  450.7    4.7     4753.9  Backbone circuit to Atlanta (OC-192)
18  386.2    4.0     4073.6  Backbone circuit to Seattle (OC-192)
19  324.4    3.4     3421.3  Backbone circuit to Houston (OC-192)
20  313.4   13.2     3305.2  Northern Crossroads (NOX) (OC-48)
21  273.9    2.9     2888.5  Backbone circuit to Los Angeles (OC-192)
22  268.0    2.8     2826.7  Backbone circuit to Washington D.C. (OC-192)
23  259.3   10.9     2734.5  Southern Crossroads (SOX) Gigapop (OC-48)
24  248.8   10.5     2624.4  GEANT (OC-48)
25  248.5    2.6     2620.8  Backbone circuit to Houston (OC-192)
26  246.4   10.4     2598.8  Backbone circuit to Atlanta (OC-48)
27  232.4    9.8     2451.2  Backbone circuit to Indianapolis (OC-48)
28  226.0    2.4     2383.1  Backbone circuit to Seattle (OC-192)
29  208.7    2.2     2201.5  Backbone circuit to Atlanta (OC-192)
30  202.4   21.2     2135.0  Indiana Gigapop (GIGE)
31  187.0    2.0     1971.8  Backbone circuit to Sunnyvale (OC-192)
32  184.2    7.8     1943.3  MAX (via MAX) (OC-48)
33  181.0    7.6     1908.9  NCNI/MCNC (OC-48)
34  175.9    7.4     1854.9  GEANT (Frankfurt) (OC-48)
35  151.3   25.5     1596.2  MAGPI (OC-12)
36  149.4    1.6     1575.5  MREN (VLAN via STARLIGHT 6509) (10GIGE)
37  149.1    1.6     1572.5  Pacific Northwest Gigapop (10GIGE)
38  144.7    6.1     1526.0  Microsoft (OC-48)
39  140.7   14.8     1483.6  NYSERNet-New York (GigE) (GIGE)
40  128.6    5.4     1356.7  Pittsburgh Supercomputing Center (PSC) (OC-48)
41  127.0    1.3     1339.2  Backbone circuit to Houston (OC-192)
42  126.6   21.3     1335.3  NYSERnet-Buffalo (OC-12)
43  124.7   21.0     1315.5  MERIT (OC-12)
44  119.6    1.3     1261.6  Backbone circuit to Kansas City (OC-192)
45  118.6    1.2     1250.6  Pacific Wave Exchange Point (10GIGE)
46  112.9   19.0     1190.8  Front Range Gigapop (OC-12)
47  108.7   18.3     1146.4  Great Plains Network (GPN) (OC-12)
48  100.2   16.9     1056.9  WiscREN (OC-12)
49   96.7    4.1     1020.4  APAN via TransPAC (OC-48)
50   86.7    3.7      914.1  OARNET (OC-48)
51   84.2   14.2      887.7  Oregon Gigapop (OC-12)
52   81.4   13.7      858.0  Onenet (OC-12)
53   73.2   12.3      771.7  Northern Lights Gigapop/ University of Minnesota (OC-12)
54   67.5   45.6      712.4  Southeast Texas Gigapop (Houston) (OC-3)
55   61.8    0.6      652.1  GEANT New York (via MANLAN) (10GIGE)
56   55.1    0.6      580.7  SINET (via MANLAN)  (10GIGE)
57   55.0    9.3      580.3  University of Texas-Austin (OC-12)
58   54.4    0.6      573.3  IEEAF (OC-192)
59   46.4   31.4      489.6  Intermountain Gigapop (Utah) (OC-3)
60   45.7    0.5      481.8  CA*net3 Montreal (via MANLAN) (10GIGE)
61   45.1   30.4      475.2  University of South Florida (OC-3)
62   41.9   28.3      441.4  University of Arizona Gigapop (OC-3)
63   36.2    6.1      381.3  South Florida Gigapop/AMPATH (OC-12)
64   33.1   22.3      348.7  North Texas Gigapop (OC-3)
65   30.5    5.1      322.1  University of Florida (OC-12)
66   28.2   19.1      297.7  University of Hawaii (OC-3)
67   28.2   19.0      297.3  Iowa State (OC-3)
68   27.8   18.8      293.6  Drexel University (OC-3)
69   25.4    1.1      268.1  DARPA BoSSNET (Boston South Network) (OC-48)
70   21.7   14.6      228.4  LANET (OC-3)
71   21.5   14.5      226.4  CHECS-NET (NM Aggregate) (OC-3)
72   21.2    0.2      223.2  GLORIAD (VLAN via STARLIGHT 6509) (10GIGE)
73   20.9    2.2      220.9  Backbone circuit to Indianapolis (GIGE)
74   18.2    0.2      191.7  CANET-Toronto (VLAN via STARLIGHT 6509) (10GIGE)
75   17.3   11.7      182.3  Arizona State (OC-3)
76   16.4    0.2      172.8  ASNet (VLAN via STARLIGHT 6509) (10GIGE)
77   16.1    2.7      170.2  CALREN North (OC-12)
78   15.4    0.2      162.1  KREONet2 (VLAN via STARLIGHT 6509)  (10GIGE)
79   15.0    0.6      158.3  ESNET (OC-48)
80   14.5    0.2      152.5  UMD NGIX Aggregate (10GIGE)
81   12.3    1.3      129.5  ESNET (GIGE)
82   12.1    8.2      128.1  Texas Tech (OC-3)
83   12.1    8.2      127.6  Uninet (OC-3)
84   11.8    8.0      124.9  Tulane University (OC-3)
85   10.7    0.1      112.9  HARnet (VLAN via STARLIGHT 6509) (10GIGE)
86    9.9    0.4      104.2  ESnet (OC-48)
87    9.4    6.4       99.3  CUDI (Tunnel via Calren) (OC-3)
88    9.3    0.1       98.6  NISN (vlan via UMD NGIX) (10GIGE)
89    8.1    5.5       85.7  University of Memphis (OC-3)
90    8.1    0.1       85.5  CERN (VLAN via STARLIGHT 6509) (10GIGE)
91    7.9    5.4       83.8  University of Louisville (OC-3)
92    7.4    5.0       78.2  Mississippi State (PVC via Mississippi State Gigapop) (OC-3)
93    7.3    0.1       76.8  CANET-Winnipeg (VLAN via STARLIGHT 6509) (10GIGE)
94    6.2    4.2       65.6  Jackson State (PVC via Mississippi State Gigapop) (OC-3)
95    5.8    3.9       61.0  Worcester Polytechnic Institute (WPI) (OC-3)
96    5.2    3.5       55.1  University of Mississippi (PVC via Mississippi Gigapop) (OC-3)
97    5.0    3.4       52.8  Southern Mississippi (PVC via Mississippi State Gigapop) (OC-3)
98    4.3    0.0       45.8  HEAnet (via MANLAN) (10GIGE)
99    4.3    0.0       45.1  DREN (VLAN via STARLIGHT 6509) (10GIGE)
100    3.3    0.1       35.1  ESNET (OC-48)
101    3.1    2.1       32.4  University of Texas-Dallas/Southwestern Medical Center (OC-3)
102    2.9    0.0       30.6  DREN (vlan via UMD NGIX) (10GIGE)
103    2.3    0.0       24.7  NREN (VLAN via STARLIGHT 6509) (10GIGE)
104    1.6    0.0       16.8  Qatar (via MANLAN)  (10GIGE)
105    1.6    0.0       16.4  vBNS (vlan via UMD NGIX) (10GIGE)
106    1.2    0.1       12.6  NGIX-West (VLAN via ESNET/I2 M5) (GIGE)
107    0.8    0.0        8.5  6TAP (VLAN via STARLIGHT 6509) (10GIGE)
108    0.6    0.0        5.8  France Telecom - Multicast Only (VLAN via STARLIGHT 6509)  (10GIGE)
109    0.4    0.0        4.1  MAX (vlan via UMD NGIX) (10GIGE)
110    0.3    0.0        2.9  NISN (VLAN via STARLIGHT 6509) (10GIGE)
111    0.2    0.0        2.4  USGS (VLAN via STARLIGHT 6509) (10GIGE)
112    0.2    0.0        1.8  STARLIGHT (VLAN via STARLIGHT 6509) (10GIGE)
113    0.1    0.0        1.6  NREN (VLAN via UMD NGIX) (10GIGE)
114    0.1    0.0        1.4  USGS (vlan via UMD NGIX) (10GIGE)
115    0.0    0.0        0.5  Pacific Wave Exchange Point (GIGE)
116    0.0    0.0        0.3  CA*net3 Toronto (via MANLAN)  (10GIGE)
117    0.0    0.0        0.3  SINET  (OC-48)
118    0.0    0.0        0.2  SURFNET (VLAN via STARLIGHT 6509) (10GIGE)
119    0.0    0.0        0.1  IEEAF (OC-12)
120    0.0    0.0        0.1  DTF (VLAN via STARLIGHT 6509) (10GIGE)
121    0.0    0.0        0.1  TransPAC/JGN2 circuit (VLAN via STARLIGHT Force10)  (10GIGE)
122    0.0    0.0        0.0  Abilene IPv6 Tunnel Router (OC-3)
123    0.0    0.0        0.0  ESNET IPv6 (GIGE)
124    0.0    0.0        0.0  JAnet IPv6 (OC-3)
125    0.0    0.0        0.0  CERN temporary Demo - v4 (VLAN via STARLIGHT Force10) (10GIGE)
126    0.0    0.0        0.0  Multiservice Switching Forum (MSF) (OC-12)
127    0.0    0.0        0.0  DREN (VLAN via STARLIGHT 6509) (10GIGE)
128    0.0    0.0        0.0  Qwest (OC-3)
129    0.0    0.0        0.0  CERN temporary demo - v6 (VLAN via STARLIGHT Force10) (10GIGE)
130    0.0    0.0        0.0  Keio (VLAN via Pacific Wave Los Angeles) (10GIGE)
131    0.0    0.0        0.0  DREN IPv6 only (vlan via UMD NGIX) (10GIGE)
132    0.0    0.0        0.0  Wright-Patterson Air Force Base (vlan via UMD NGIX) (10GIGE)
133    0.0    0.0        0.0  University of Washington HD Demo for I2MM (10GIGE)
134    0.0    0.0        0.0  Pacific Wave Los Angeles (10GIGE)
135    0.0    0.0        0.0  Florida A&M (PVC via HSTN LS-1010) (OC-3)
136    0.0    0.0        0.0  SINet IPv6  (OC-3)
137    0.0    0.0        0.0  CUDI (GRE tunnel via UT-Austin) (OC-3)
138    0.0    0.0        0.0  Singaren IPv6 (OC-3)
139    0.0    0.0        0.0  OARNet IPv6  (OC-3)
140    0.0    0.0        0.0  HARnet IPv6 (OC-3)
141    0.0    0.0        0.0  NOAA IPv6 (OC-3)
142    0.0    0.0        0.0  Portland State IPv6 (OC-3)
143    0.0    0.0        0.0  FIX West (VLAN via ESNET/I2 M5 ) (GIGE)