AS Number
AS49121
AS Name
INFTELE-AS
Org Name
Infinity Telecom, s.r.o.
Country / Region
Czech
Registry

ripe

RegDate

Updated

2023-07-20T14:43:26Z

AS49121 Looking Glass
IPv4Prefixes

16

IPv6Prefixes

3

IPv4 NUMs

5,888

IPv6 NUMs(/64)

196,608

5,888 IPv4 Addresses
CIDR Description IP Num
5.57.209.0/24
ROA Signed and Valid IRR Valid
Infinity Telecom, s.r.o. 256
37.77.145.0/24
ROA Signed and Valid IRR Valid
Like Media s.r.o. 256
37.221.68.0/24
ROA Signed and Valid IRR Valid
INFINITY-TELECOM 256
37.221.69.0/24
ROA Signed and Valid IRR Valid
INFINITY-TELECOM 256
37.221.70.0/24
ROA Signed and Valid IRR Valid
Infinity-Telecom 256
37.221.71.0/24
ROA Signed and Valid IRR Valid
Infinity-Telecom-Hosting 256
45.87.117.0/24
ROA Signed and Valid IRR Valid
INFINITY-BOGOTA 256
45.87.118.0/24
ROA Signed and Valid IRR Valid
Infinity-Telecom-Customers 256
45.87.119.0/24
ROA Signed and Valid IRR Valid
INFINITY-HOSTING-SERVICES 256
91.191.185.0/24
ROA Signed and Valid IRR Valid
Infinity Telecom, s.r.o. 256
149.7.252.0/22
IRR InValid
PSINet, Inc. 1024
154.57.168.0/22
IRR Valid
PSINet, Inc. 1024
185.65.69.0/24
ROA Signed and Valid IRR Valid
Infinity Telecom SK s. r. o. 256
185.186.0.0/24
ROA Signed and Valid IRR Valid
Infinity-Customers-Network-LU 256
185.232.166.0/24
ROA Signed and Valid IRR Valid
Infinity Telecom, s.r.o. 256
194.61.10.0/23
ROA Signed and Valid IRR Valid
Infinity Telecom, s.r.o. 512
CIDR Description IP NUMs(prefix /64)
2a09:e200::/48
ROA Signed and Valid IRR Valid
Infinity-Telecom 65536
2a09:e200:e200::/48
ROA Signed and Valid IRR Valid
Infinity Telecom, s.r.o. 65536
2a0d:3180:7::/48
ROA Signed and Valid IRR Valid
INFINITY-TELECOM-CUSTOMERS 65536
AS Description Country / Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS8492 OBIT-AS - "OBIT" Ltd., RU Russian Federation 83,712 38,654,705,664 IPv4 IPv4
AS48362 TKSWF-AS - Stadtwerke Feldkirch, AT Austria 7,680 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS58299 OPENFACTORY-AS - Openfactory GmbH, CH Switzerland 3,328 17,179,934,720 IPv4 IPv4
AS2914 NTT-LTD-2914 - NTT America, Inc., US United States 6,862,592 21,475,426,304 IPv4 IPv4 IPv6 IPv6
AS6939 HURRICANE - Hurricane Electric LLC, US United States 507,648 282,631,675,838,464 IPv4 IPv4 IPv6 IPv6
AS34019 HIVANE, FR France 2,816 1,245,184 IPv4 IPv4 IPv6 IPv6
AS53427 TGLOBAL-NETWORKS - TGLOBAL NETWORKS, US United States 512 16,777,216 IPv4 IPv4
AS559 SWITCH, CH Switzerland 2,183,936 176,093,790,208 IPv4 IPv4 IPv6 IPv6
AS1031 PEER-1-INTERNET - Peer 1 Internet Service LLC, US United States 4,824 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS18106 VIEWQWEST-SG-AP - Viewqwest Pte Ltd, SG Singapore 53,248 13,153,337,344 IPv4 IPv4
AS22356 Durand do Brasil Ltda, BR Brazil 29,184 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS37100 SEACOM-AS - SEACOM Limited, MU Mauritius 1,072,896 12,884,901,888 IPv4 IPv4 IPv6 IPv6
AS37468 ANGOLA-CABLES - Angola Cables, AO Angola 8,192 42,949,672,960 IPv4 IPv4 IPv6 IPv6
AS49605 DTS-AS - Digital Telecommunication Services S.r.l., IT Italy 9,472 38,654,705,664 IPv4 IPv4
AS4755 TATACOMM-AS - Tata Communications Limited, IN India 1,813,760 8,590,196,736 IPv4 IPv4 IPv6 IPv6
AS8447 A1TELEKOM-AT - A1 Telekom Austria AG, AT Austria 2,831,104 137,439,412,224 IPv4 IPv4
AS51184 FONIRA - Fonira Telekom GmbH, AT Austria 12,800 111,669,936,128 IPv4 IPv4 IPv6 IPv6
AS57304 RUBY-AS - JSC "RetnNet", RU Russian Federation 12,288 4,294,967,296 IPv4 IPv4
AS133296 WEBWERKS-AS-IN - Web Werks India Pvt. Ltd., IN India 78,336 4,581,228,544 IPv4 IPv4 IPv6 IPv6
AS6453 AS6453 - TATA COMMUNICATIONS (AMERICA) INC, US United States 574,464 55,834,640,384 IPv4 IPv4 IPv6 IPv6
AS33891 CORE-BACKBONE - Core-Backbone GmbH, DE Germany 0 0 IPv4 IPv4 IPv6 IPv6
AS14840 COMMCORP COMUNICACOES LTDA, BR Brazil 62,464 15,083,634,688 IPv4 IPv4 IPv6 IPv6
AS39351 ESAB-AS - 31173 Services AB, SE Sweden 8,448 4,295,753,728 IPv4 IPv4
AS148968 FALCORE-AS-AP - Falcore Investments Pty Ltd, AU Australia 2,304 4,295,032,832 IPv4 IPv4
AS8218 NEO-ASN - Zayo Infrastructure France SA, FR France 47,616 12,884,967,424 IPv4 IPv4 IPv6 IPv6
AS12552 IPO-EU - GlobalConnect AB, SE Sweden 578,048 274,878,955,520 IPv4 IPv4 IPv6 IPv6
AS137409 GSLNETWORKS-AS-AP - GSL Networks Pty LTD, AU Australia 49,664 120,548,687,872 IPv4 IPv4 IPv6 IPv6
AS263152 MIGO TELECOM, BR Brazil 6,144 4,294,967,296 IPv4 IPv4
AS3214 XTOM - xTom GmbH, DE Germany 27,136 112,123,379,712 IPv6 IPv6
AS20811 BRENNERCOM-AS - Brennercom S.p.A., IT Italy 69,632 103,079,215,104 IPv6 IPv6
AS1828 UNITAS - Unitas Global LLC, US United States 229,376 47,244,640,256 IPv4 IPv4 IPv6 IPv6
AS15802 DU-AS1 - Emirates Integrated Telecommunications Company PJSC, AE United Arab Emirates 1,167,360 30,064,771,072 IPv4 IPv4
AS20932 SIG-ST - Services Industriels de Geneve, CH Switzerland 9,472 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS59890 Kabel-TV-Lampert - Kabel-TV Lampert GmbH & Co KG, AT Austria 13,312 34,359,738,368 IPv4 IPv4 IPv6 IPv6
AS6762 SEABONE-NET - TELECOM ITALIA SPARKLE S.p.A., IT Italy 100,352 51,829,080,064 IPv4 IPv4 IPv6 IPv6
AS24482 SGGS-AS-AP - SG.GS, SG Singapore 21,504 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS35369 LINZAG-TELEKOM-AS - LINZ STROM GAS WAERME GmbH fuer Energiedienstleistungen und Telekommunikation, AT Austria 38,400 4,294,967,296 IPv4 IPv4
AS57463 NetIX - NetIX Communications JSC, BG Bulgaria 256 0 IPv4 IPv4
AS174 COGENT-174 - Cogent Communications, US United States 27,333,120 233,766,453,248 IPv4 IPv4 IPv6 IPv6
AS1764 NEXTLAYER-AS - Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH, AT Austria 87,296 244,813,332,480 IPv4 IPv4
AS35280 F5 - F5 Networks SARL, FR France 50,432 81,604,378,624 IPv4 IPv4 IPv6 IPv6
AS47692 NESSUS - Nessus GmbH, AT Austria 34,048 34,360,066,048 IPv6 IPv6
AS16347 INHERENT - ADISTA SAS, FR France 190,720 98,784,772,096 IPv4 IPv4
AS23106 AMERICAN TOWER DO BRASIL-COMUNICAÇÂO MULTIMÍDIA LT, BR Brazil 159,744 4,294,967,296 IPv4 IPv4
AS38880 M21-AS-AP - Micron21 Datacentre Pty Ltd, AU Australia 30,976 4,295,163,904 IPv4 IPv4
AS63927 RISE-HK - RISE ASIA TECHNOLOGY LIMITED, HK Hong Kong 2,816 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS9002 RETN-AS - RETN Limited, GB United Kingdom 33,024 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS12779 ITGATE - IT.Gate S.p.A., IT Italy 45,568 42,949,804,032 IPv4 IPv4 IPv6 IPv6
AS15547 NETPLUS - netplus.ch SA, CH Switzerland 134,144 42,949,672,960 IPv4 IPv4
AS40994 Alwyzon - Hohl IT e.U., AT Austria 2,560 4,295,032,832 IPv4 IPv4 IPv6 IPv6
AS56987 AS-ABACLOUDA - ABACLOUDA SAS, FR France 768 34,359,738,368 IPv6 IPv6
AS6057 Administracion Nacional de Telecomunicaciones, UY Uruguay 2,164,224 68,719,476,736 IPv4 IPv4 IPv6 IPv6
AS12637 SEEWEB - SEEWEB s.r.l., IT Italy 91,904 236,223,201,280 IPv4 IPv4 IPv6 IPv6
AS17557 PKTELECOM-AS-PK - Pakistan Telecommuication company limited, PK Pakistan 3,856,728 4,295,032,832 IPv4 IPv4
AS25091 IP-MAX - IP-Max SA, CH Switzerland 12,032 34,359,803,904 IPv4 IPv4 IPv6 IPv6
AS29075 IELO - IELO-LIAZO SERVICES SAS, FR France 42,240 107,374,182,400 IPv4 IPv4 IPv6 IPv6
AS39120 CONVERGENZE-AS - Convergenze S.p.A., IT Italy 36,096 12,884,901,888 IPv4 IPv4
AS49544 i3Dnet - i3D.net B.V, NL Netherlands 101,376 341,184,020,480 IPv4 IPv4 IPv6 IPv6
AS56630 MELBICOM-EU-AS - Melbikomas UAB, LT Lithuania 44,544 50,755,469,312 IPv4 IPv4 IPv6 IPv6
AS1239 SPRINTLINK - Sprint, US United States 12,166,144 212,601,143,296 IPv4 IPv4
AS15605 CONNESI - Connesi s.p.a., IT Italy 21,504 17,179,869,184 IPv4 IPv4 IPv6 IPv6
AS52320 GlobeNet Cabos Submarinos Colombia, S.A.S., CO Colombia 4,096 8,589,934,592 IPv4 IPv4 IPv6 IPv6
AS199524 GCORE - G-Core Labs S.A., LU Luxembourg 80,128 100,597,760 IPv4 IPv4
AS263812 TL Group SRL ( IPXON Networks ), AR Argentina 6,912 1,376,256 IPv4 IPv4
AS13237 LAMBDANET-AS - euNetworks GmbH, DE Germany 562,688 111,669,149,696 IPv4 IPv4
AS34927 iFog-GmbH - iFog GmbH, CH Switzerland 4,096 157,024,256 IPv4 IPv4
AS5713 SAIX-NET - Telkom SA Ltd., ZA South Africa 1,991,424 17,600,775,979,008 IPv4 IPv4
AS48919 UA-CITY-AS - UACITY Ltd., UA Ukraine 9,216 65,536 IPv4 IPv4
AS293 ESNET, US United States 134,912 4,295,098,368 IPv4 IPv4
AS3356 LEVEL3 - Level 3 Parent, LLC, US United States 29,953,308 77,329,203,200 IPv4 IPv4 IPv6 IPv6
AS132337 ANSPL-AS-AP - ALPHA NETWORKS SOLUTION PTE. LTD., SG Singapore 7,936 4,294,967,296 IPv4 IPv4
AS5511 Opentransit - Orange S.A., FR France 416,512 17,184,129,024 IPv6 IPv6
AS1299 TWELVE99 - Arelion Sweden AB, SE Sweden 229,632 17,648,310,681,600 IPv4 IPv4 IPv6 IPv6
AS35360 GARGUNET - Frederic Gargula, CH Switzerland 1,024 34,359,738,368 IPv4 IPv4 IPv6 IPv6
AS34224 NETERRA-AS - Neterra Ltd., BG Bulgaria 44,288 4,294,967,296 IPv4 IPv4
AS47147 AS-ANX - ANEXIA Internetdienstleistungs GmbH, AT Austria 1,536 196,608 IPv6 IPv6
AS3216 SOVAM-AS - PJSC "Vimpelcom", RU Russian Federation 1,031,430 4,295,098,368 IPv4 IPv4
AS34177 CELESTE-AS - CELESTE SAS, FR France 181,760 42,949,672,960 IPv4 IPv4
AS Description Country / Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS198422 BASTISION - BASTISION LIMITED, HK Hong Kong 256 0 IPv4 IPv4
AS202492 SGHL1-AS - SILVERHILL GROUP HOLDING LTD, DE Germany 14,848 0 IPv4 IPv4
AS203701 ROCKET-AS - RocketConnect OU, EE Estonia 512 65,536 IPv4 IPv4 IPv6 IPv6
AS208422 INFINITY-AS - Infinity Telecom, s.r.o., CZ Czech 256 65,536 IPv4 IPv4 IPv6 IPv6
AS212147 PGHK-AS - Proactivity Group Limited, HK Hong Kong 768 0 IPv4 IPv4
AS50103 MRI - Media Region Inc., SC Seychelles 256 0 IPv4 IPv4
AS60584 PRIME-AS - Prime Studio s.r.o., CZ Czech 256 34,359,738,368 IPv4 IPv4 IPv6 IPv6
AS150345 PGL-AS-AP - Proactivity Group Limited, HK Hong Kong 512 0 IPv4 IPv4

Peers at this Exchange Point

Country / Region IX IPv4 IPv6 Port Speed Updated
Netherlands AMS-IX - Amsterdam Internet Exchange 80.249.212.131 2001:7f8:1::a504:9121:4 10 Gbps 2023-05-15 08:01:57
India Extreme IX Mumbai - ExtremeIX Mumbai 103.77.108.99 2001:df2:1900:2::99 3 Gbps 2021-12-08 00:11:21
Czech NIX.CZ - Neutral Internet Exchange in the Czech Republic 91.210.16.146 2001:7f8:14::d1:1 10 Gbps 2022-03-30 00:01:43
Czech Peering.cz - Peering.cz eXchange 185.0.20.237 2001:7f8:7f::237 10 Gbps 2023-03-02 11:37:50
Germany DE-CIX Frankfurt 80.81.196.66 2001:7f8::bfe1:0:1 10 Gbps 2023-04-22 09:11:46
India DE-CIX Mumbai 103.27.171.206 2401:7500:fff6::17b 2 Gbps 2021-12-06 11:16:37
Netherlands Global-IX - GlobalNet 109.239.136.197 2001:b28:3ff::bfe1:0:1 10 Gbps 2023-04-25 12:10:23
Netherlands DATAIX - Global Network Managment Ltd 178.18.236.20 2a03:5f80:4:2::236:20 10 Gbps 2023-04-25 12:11:45

Private Peering Facilities

Country / Region Name City Website Updated
CE Colo Prague Prague http://www.cecolo.com/ 2020-08-02 14:04:30
GTS Telehouse Prague Prague http://www.gtsnovera.cz/ 2020-08-02 14:04:56
DC Coolhousing - Prague Prague http://www.coolhousing.net 2020-08-02 14:05:14
Cirion Bogota Bogotá http://www.ciriontechnologies.com 2021-04-27 19:18:20
Sitel Bratislava Bratislava http://www.sitel.sk 2021-12-06 11:17:40
Datacenter.com AMS1 Amsterdam https://datacenter.com/data-centers 2021-12-06 11:17:52
LuxConnect DC1.1 - Bettembourg Bettembourg https://www.luxconnect.lu 2022-12-06 08:03:07
LuxConnect DC2 - Bissen Bissen https://www.luxconnect.lu/ 2022-12-06 08:03:22
Equinix AM7 - Amsterdam, Kuiperberweg Amsterdam https://www.equinix.com/locations/netherlands-colocation/amsterdam-data-centers/am7/ 2022-12-06 08:03:32
Digital Realty Frankfurt FRA1-16 Frankfurt https://www.digitalrealty.com/data-centers/frankfurt/gip-park-area-frankfurt-am-main-germany-1 2023-01-04 10:00:45
Web Werks Mumbai 1 Mumbai http://www.webwerks.in 2023-04-22 09:00:16
Globenet Barranquilla DC Barranquilla http://www.vtal.com 2023-05-29 13:28:26
IP Address Domain NUMs Domains
5.57.209.5 7 5.57.209.11,enzima.eskutlo.de
5.57.209.30 4 5.57.209.33,anje.almanss.de
5.57.209.45 1 cyantender.net
5.57.209.55 5 5.57.209.60,mdddne.tainklo.de
5.57.209.80 11 5.57.209.100,azteq.oncosti.de
5.57.209.105 3 5.57.209.107,aumaga.eizndox.de
5.57.209.130 4 5.57.209.139,porlo.e-rezij.de
5.57.209.155 2 5.57.209.160,anthol.t-adher.de
5.57.209.181 5 5.57.209.184,sacusr.a-xduen.de
5.57.209.207 3 5.57.209.208,gemela.i-nounix.de
as-block:       AS47104 - AS50891
descr:          RIPE NCC ASN block
remarks:        These AS Numbers are assigned to network operators in the RIPE NCC service region.
mnt-by:         RIPE-NCC-HM-MNT
created:        2023-07-20T14:43:26Z
last-modified:  2023-07-20T14:43:26Z
source:         RIPE



aut-num:        AS49121
as-name:        INFTELE-AS
descr:          Infinity Telecom
org:            ORG-ITS59-RIPE
remarks:        ====================================================
remarks:        --------Uplinks--------
remarks:        ---Web Werks India Pvt. Ltd.---
import:         from AS133296 accept ANY
export:         to AS133296 announce AS-INFTELE
remarks:        ---SONDATECH S.A.S.---
import:         from AS263812 accept ANY
export:         to AS263812 announce AS-INFTELE
remarks:        ---Core-Backbone GmbH---
import:         from AS33891 accept ANY
export:         to AS33891 announce AS-INFTELE
remarks:        ---COGENT---
import:         from AS174 accept ANY
export:         to AS174 announce AS-INFTELE
remarks:        ---RETN Limited---
import:         from AS9002 accept ANY
export:         to AS9002 announce AS-INFTELE
remarks:        ---T-Mobile Czech Republic a.s.---
import:         from AS5588 accept ANY
export:         to AS5588 announce AS-INFTELE
remarks:        ---Arelion Sweden AB---
import:         from AS1299 accept ANY
export:         to AS1299 announce AS-INFTELE
remarks:        ---TATA Communications Ltd---
import:         from AS6453 accept ANY
export:         to AS6453 announce AS-INFTELE
import:         from AS4755 accept ANY
export:         to AS4755 announce AS-INFTELE
remarks:        ---Hurricane Electric LLC---
import:         from AS6939 accept ANY
export:         to AS6939 announce AS-INFTELE
remarks:        ---Orange S.A.---
import:         from AS5511 accept ANY
export:         to AS5511 announce AS-INFTELE
remarks:        ---SuperNetwork---
import:         from AS39392 accept ANY
export:         to AS39392 announce AS-INFTELE
remarks:        ---Level 3 Parent, LLC---
import:         from AS3356 accept ANY
export:         to AS3356 announce AS-INFTELE
remarks:        ---NTT America, Inc.---
import:         from AS2914 accept ANY
export:         to AS2914 announce AS-INFTELE
remarks:        ====================================================
remarks:        --------Peers--------
remarks:        ---De-cix Interwire Internet Services Private Limited---
import:         from AS59200 accept ANY
export:         to AS59200 announce AS-INFTELE
remarks:        ---Global Network Management Inc---
import:         from AS50952 accept AS-DATAIX
export:         to AS50952 announce AS-INFTELE
import:         from AS31500 accept AS-GLOBAL-NET
export:         to AS31500 announce AS-INFTELE
remarks:        ---Extreme Infocom Pvt. Ltd---
import:         from AS49378 accept AS49378
export:         to AS49378 announce AS-INFTELE
remarks:        ---Amsterdam Internet Exchange B.V.---
import:         from AS6777 accept AS-AMS-IX-RS-SETS
export:         to AS6777 announce AS-INFTELE
remarks:        ---DE-CIX Management GmbH---
import:         from AS6695 accept AS-DECIX
export:         to AS6695 announce AS-INFTELE
remarks:        ---Peering.cz s.r.o.---
import:         from AS61195 accept ANY
export:         to AS61195 announce AS-INFTELE
remarks:        ---NIX.CZ z.s.p.o.---
import:         from AS47200 accept AS-NIXCZ-RSCLIENTS
export:         to AS47200 announce AS-INFTELE
remarks:        ====================================================
import:         from AS50103 accept AS50103
export:         to AS50103 announce ANY
import:         from AS208422 accept AS208422
export:         to AS208422 announce ANY
import:         from AS202492 accept AS202492
export:         to AS202492 announce ANY
import:         from AS212147 accept AS212147
export:         to AS214147 announce ANY
import:         from AS150345 accept AS150345
export:         to AS150345 announce ANY
remarks:        ====================================================
remarks:        BGP communities accepted from downstream
remarks:        ====================================================
remarks:        1. Common, prepending to all upstreams:
remarks:        49121:3000X, where
remarks:        0 < X < 6 - prepend X times 49121 to all upstreams
remarks:        2. Specific, prepending to upstream NN
remarks:        49121:40NNX, where:
remarks:        NN - upstream
remarks:        00 - Cogent
remarks:        01 - Core-Backbone
remarks:        02 - RETN
remarks:        03 - Telia
remarks:        04 - SuperNetwork
remarks:        05 - TATA
remarks:        06 - Orange
remarks:        07 - T-Mobile
remarks:        08 - Level3
remarks:        09 - NTT
remarks:        X - Action
remarks:        X = 0 - do not announce
remarks:        0 < X < 6 - prepend X times 49121
remarks:        3. Specific, prepending to all peers
remarks:        49121:3100X, where:
remarks:        X = 0 - do not announce
remarks:        0 < X < 6 - prepend X times 49121
remarks:        4. Blackhole
remarks:        49121:666, /32 prefixes accepted
remarks:        ====================================================
admin-c:        ITN26-RIPE
tech-c:         ITN26-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         INFTELE-MNT
created:        2016-09-29T14:15:10Z
last-modified:  2023-04-27T10:35:31Z
source:         RIPE

organisation:   ORG-ITS59-RIPE
org-name:       Infinity Telecom, s.r.o.
country:        CZ
org-type:       LIR
address:        Hartigova 2660/141
address:        13000
address:        Prague
address:        CZECH REPUBLIC
phone:          +420290000000
e-mail:         noc@inftele.com
admin-c:        ITN26-RIPE
tech-c:         ITN26-RIPE
abuse-c:        AR53183-RIPE
mnt-ref:        INFTELE-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         INFTELE-MNT
created:        2019-06-12T10:02:18Z
last-modified:  2023-11-17T11:55:07Z
source:         RIPE

role:           Infinity Telecom NOC
address:        Konevova 2660/141
phone:          +420290000000
e-mail:         noc@inftele.com
nic-hdl:        ITN26-RIPE
mnt-by:         INFTELE-MNT
created:        2019-10-24T13:58:30Z
last-modified:  2019-10-27T20:34:41Z
source:         RIPE