iamroot.tech
Toggle navigation
Internet tools
DNS lookup
DNS propagation check
Port scan + probeing
WHOIS / RDAP lookup
HTTP/S request tool
TLS/SSL certificate check
beta
E-mail DNSBL blacklist check
Reverse DNS
CIDR calculator
beta
ASN database lookup
beta
What is my IPv4 and IPv6?
GeoIP location
QR code generator
Dev tools
Color contrast checker
Color picker
Lorem ipsum generator
URL encode/decode
HTML encode/decode
BASE64 encode/decode
Hash calculator (CRC64 - MD5 - SHA - RIPEMD)
Misc tools
Password generator
World map, day/night + local time
beta
All tools
Page nav
Page nav
iamroot.tech
Internet tools
DNS lookup
DNS propagation check
Port scan + probeing
WHOIS / RDAP lookup
HTTP/S request tool
TLS/SSL certificate check
beta
E-mail DNSBL blacklist check
Reverse DNS
CIDR calculator
beta
ASN database lookup
beta
What is my IPv4 and IPv6?
GeoIP location
QR code generator
Dev tools
Color contrast checker
Color picker
Lorem ipsum generator
URL encode/decode
HTML encode/decode
BASE64 encode/decode
Hash calculator (CRC64 - MD5 - SHA - RIPEMD)
Misc tools
Password generator
World map, day/night + local time
beta
Internet tools
DNS lookup
DNS propagation check
Port scan + probeing
WHOIS / RDAP lookup
HTTP/S request tool
TLS/SSL certificate check
beta
E-mail DNSBL blacklist check
Reverse DNS
CIDR calculator
beta
ASN database lookup
beta
What is my IPv4 and IPv6?
GeoIP location
QR code generator
Dev tools
Color contrast checker
Color picker
Lorem ipsum generator
URL encode/decode
HTML encode/decode
BASE64 encode/decode
Hash calculator (CRC64 - MD5 - SHA - RIPEMD)
Misc tools
Password generator
World map, day/night + local time
beta
CTRL+D to bookmark
Add to homescreen
×
Tap the 'Share button' at the bottom of the screen:
Scroll down the list, and select 'Add to Home Screen':
Tap the menu icon (3 dots - upper right-hand corner):
and select 'Add to homescreen'.:
ASN database
You may find these sub-pages interesting as well:
Top ASN's by country
Directory of +1.200 verified looking glass url's
NEW: ASN database statistics
Related tools
DNS lookup
DNS lookup / nslookup / DIG of DNS records. An online tool for DNS lookups. By default recursive lookups querying the authoritative name servers. Lookups on specific DNS resolvers are also possible. Additionally, it will look up secondary records and output a full log of what was done on a technical level.
WHOIS / RDAP lookup
Perform WHOIS and/or RDAP lookups on domains, IP addresses, and ASNs. Will output all available technical info, contact info, etc.
Reverse DNS
Perform reverse DNS (rDNS/PTR) lookups of any IP.
CIDR calculator
beta
IP to CIDR calculation tool with subnet info. The reverse, CIDR ranges to IP addresses, is also possible. Last but not least, it includes a tool for refactoring groups of IPs, domain names, and/or other CIDR ranges.
What is my IPv4 and IPv6?
Check your own IP - both IPv4 and IPv6. Works as a connectivity test as well.
GeoIP location
Online tool GeoIP location of any IP and/or domain.
World map, day/night + local time
beta
Beautiful day/night map of the world, with markup of all major cities including local date and time.
Result
AS42184, TKRZ Stadtwerke GmbH
Last update of data:
06-05-2024 09:04 UTC
ASN:
AS42184 (AS-TKRZ)
Country:
DE - Germany (Europe)
Org.:
TKRZ Stadtwerke GmbH
https://www.tkrz-business.de
LookingGlass
https://www.tkrz.de
@PeeringDB
Social media:
@linkedin
@instagram
@facebook
Stats:
Peers
159
IX'es
7
Prefixes
17
IPv4
+18K
IPv6
1,3E+30
Contact:
TKRZ Stadtwerke GmbH
MOORBRUECKENSTRASSE 30
D-48282
EMSDETTEN
GERMANY
DE
+49 2572 202 400
History
Date
Peers
IX'es
Prefixes
IPv4
IPv6
Before 19-11-2023
162
7
17
18.176
1,3E+30
19-11-2023
-1
-
-
-
-
26-11-2023
+1
-
-
-
-
03-12-2023
+1
-
-
-
-
10-12-2023
-2
-
-
-
-
25-12-2023
+5
-
-
-
-
08-01-2024
-2
-
-
-
-
15-01-2024
-12
-
-
-
-
22-01-2024
+11
-
-1
-256
-
29-01-2024
-18
-
-
-
-
05-02-2024
+19
-
+1
+1.024
-
12-02-2024
-27
-
-
-
-
19-02-2024
+22
-
-
-
-
26-02-2024
-2
-
-
-
-
04-03-2024
-2
-
-
-
-
11-03-2024
+2
-
-
-
-
25-03-2024
+2
-
-
-
-
08-04-2024
-3
-
-
-
-
15-04-2024
+1
-
-
-
-
22-04-2024
+3
-
-
-
-
29-04-2024
-1
-
-
-
-
Current
159
7
17
18.944
1,3E+30
- - show more (+16 entries) - -
- - show less (-16 entries) - -
Peers
Country
Relationship
ASN
Organization
Peers
Prefix'es
Angola
Upstream
AS37468
Angola Cables
2.250
10
Australia
Peer
AS8888
xTom Pty Ltd
1.454
39
Austria
Upstream
AS8447
A1 Telekom Austria AG
1.349
110
Austria
Upstream
AS48362
Stadtwerke Feldkirch
1.682
8
Austria
Peer
AS31510
Innsbrucker Kommunalbetriebe AG
912
6
Austria
Peer
AS35369
LAGIS-MNT
321
11
Austria
Peer
AS47147
ANEXIA Internetdienstleistungs GmbH
1.359
5
Austria
Peer
AS47692
Nessus GmbH
995
68
Austria
Peer
AS51184
Fonira Telekom GmbH
1.297
14
Austria
Peer
AS59890
Kabel-TV Lampert GmbH & Co KG
1.424
6
Azerbaijan
Peer
AS29049
Delta Telecom Ltd
2.925
182
Belgium
Peer
AS34872
Sarah Rossius
1.209
8
Brazil
Peer
AS14840
BR.Digital Provider
5.844
89
Brazil
Peer
AS271253
LINK BRASIL TELECOMUNICACOES LTDA
5.022
17
Britain (UK)
Upstream
AS4455
IX Reach Ltd
2.354
18
Britain (UK)
Upstream
AS9002
RETN Limited
3.280
32
Britain (UK)
Upstream
AS60068
Datacamp Limited
788
374
Britain (UK)
Peer
AS25160
Vorboss Limited
1.971
37
Britain (UK)
Peer
AS50300
CustodianDC Limited
1.102
54
Britain (UK)
Peer
AS50763
MCKAYCOM LTD
702
8
Britain (UK)
Peer
AS60326
MrSheepNET LTD
620
10
Britain (UK)
Peer
AS212483
LEVEL EIGHTY-SIX COMMUNICATIONS LTD
3.274
30
British Virgin Islands
Peer
AS200612
Gulf Bridge International Inc.
1.311
4
Burkina Faso
Peer
AS37721
Virtual Technologies & Solutions
4.639
10
Colombia
Upstream
AS52320
GlobeNet Cabos Submarinos Colombia, S.A.S.
2.114
6
Czech Republic
Peer
AS29504
Freenet Liberec, z.s.
287
2
Denmark
Peer
AS31027
GlobalConnect A/S
1.623
117
Denmark
Peer
AS42541
Fiberby ApS
1.541
6
France
Upstream
AS8218
Zayo Infrastructure France SA
1.864
25
France
Upstream
AS8309
SIPARTECH SAS
821
5
France
Upstream
AS29075
IELO-LIAZO SERVICES SAS
1.938
22
France
Upstream
AS34019
Hivane Association
1.809
10
France
Upstream
AS35280
F5 Networks SARL
5.543
35
France
Upstream
AS47160
MOJI SAS
540
12
France
Upstream
AS200780
APPLIWAVE SAS
985
34
France
Peer
AS34177
CELESTE SAS
1.471
57
France
Peer
AS56987
ABACLOUDA SAS
1.511
4
Germany
Upstream
AS3320
Deutsche Telekom AG
696
592
Germany
Upstream
AS31025
GHOSTnet GmbH
764
-
Germany
Upstream
AS33891
Core-Backbone GmbH
1.915
-
Germany
Upstream
AS34549
meerfarbig GmbH & Co. KG
1.937
76
Germany
Upstream
AS35710
weber.digital GmbH
813
10
Germany
Upstream
AS50629
LWLcom GmbH
1.768
25
Germany
Upstream
AS61955
ColocationIX GmbH
186
40
Germany
Peer
AS553
Universitaet Stuttgart
910
45
Germany
Peer
AS3214
xTom GmbH
1.638
141
Germany
Peer
AS5405
Inter.link GmbH
1.966
5
Germany
Peer
AS8454
FMO Flughafen Muenster/Osnabrueck GmbH
1
2
Germany
Peer
AS13237
euNetworks GmbH
2.323
32
Germany
Peer
AS24961
WIIT AG
1.646
53
Germany
Peer
AS25220
equada network GmbH
1.336
19
Germany
Peer
AS29140
Hostserver GmbH
1.178
3
Germany
Peer
AS43397
items management GmbH trading as 'items GmbH & Co. KG'
1
2
Germany
Peer
AS48352
LIS Logistische Informationssysteme GmbH
1
2
Germany
Peer
AS48821
Mauve Mailorder Software GmbH & CO. KG
181
3
Germany
Peer
AS49552
OpenSource Training Ralf Spenneberg
1
2
Germany
Peer
AS60802
Kevin Buehl
130
2
Germany
Peer
AS61218
4b42 UG
192
9
Germany
Peer
AS64475
Freifunk Frankfurt am Main e.V.
1.140
5
Germany
Peer
AS196731
egeplast international GmbH
1
2
Germany
Peer
AS196932
RheiNet GmbH
2
2
Germany
Peer
AS197759
Enapter AG
3
2
Germany
Peer
AS199938
Netzwerge GmbH
1.091
8
Germany
Peer
AS204702
Deutsche Windtechnik Service GmbH & Co. KG
3
2
Germany
Peer
AS204989
Rekers Digitaltechnik Beteiligungsgesellschaft mbH trading as Rekers Digitaltechnik GmbH & Co.KG
10
3
Germany
Peer
AS205112
PHILUNET GmbH
939
11
Germany
Peer
AS206356
Freifunk Essen e.V.
729
3
Germany
Peer
AS208431
Adrian Pistol
830
4
Germany
Peer
AS210035
Stiftung Mathias-Spital Rheine
1
2
Germany
Peer
AS210937
Xiufeng Guo
1.029
8
Germany
Peer
AS213151
Christian Elsen
1.066
4
Germany
Peer
AS215756
MNT-TKRZ
1
2
Germany
Downstream
AS202208
teutel GmbH
2
7
Gibraltar
Upstream
AS29632
Netassist Limited
1.124
53
Iceland
Peer
AS12969
Ljosleidarinn ehf
1.021
24
India
Upstream
AS9498
Bharti Airtel Limited
3.152
631
Ireland
Peer
AS31122
Digiweb ltd
1.033
50
Ireland
Peer
AS39122
Blacknight Internet Solutions Limited
1.224
29
Italy
Upstream
AS1267
WIND TRE S.P.A.
1.193
93
Italy
Upstream
AS28716
Retelit Digital Services S.p.A.
754
42
Italy
Upstream
AS41327
Fiber Telecom S.p.A.
2.672
11
Italy
Peer
AS12637
SEEWEB s.r.l.
1.012
56
Italy
Peer
AS12779
IT.Gate S.p.A.
1.706
25
Italy
Peer
AS15605
Connesi s.p.a.
1.452
14
Italy
Peer
AS49605
Digital Telecommunication Services S.r.l.
1.440
8
Italy
Peer
AS51185
MainStreaming SpA
3.587
30
Lithuania
Peer
AS21412
UAB "Cgates"
786
36
Luxembourg
Peer
AS199524
G-Core Labs S.A.
5.241
452
Mauritius
Upstream
AS37100
SEACOM Limited
1.687
13
Myanmar (Burma)
Peer
AS58952
Frontiir Co., Ltd
422
5
Netherlands
Upstream
AS6777
Amsterdam Internet Exchange B.V.
561
-
Netherlands
Upstream
AS8315
Accenture B. V.
288
61
Netherlands
Upstream
AS15830
Equinix (EMEA) Acquisition Enterprises B.V.
2.952
549
Netherlands
Upstream
AS50673
Serverius Holding B.V.
1.199
83
Netherlands
Peer
AS1103
AS1103-MNT
1.082
95
Netherlands
Peer
AS1140
Stichting Internet Domeinregistratie Nederland
864
4
Netherlands
Peer
AS3333
Reseaux IP Europeens Network Coordination Centre (RIPE NCC)
870
7
Netherlands
Peer
AS8283
Netwerkvereniging Coloclue
1.186
6
Netherlands
Peer
AS12859
BIT BV
1.185
59
Netherlands
Peer
AS15435
DELTA Fiber Nederland B.V.
1.036
20
Netherlands
Peer
AS34288
KSZ-CH-MNT
1.670
7
Netherlands
Peer
AS41047
Bart Vrancken trading as MLaB
3.005
5
Netherlands
Peer
AS49544
i3D.net B.V
6.694
135
Netherlands
Peer
AS51088
A2B IP B.V.
696
64
Norway
Upstream
AS50304
Blix Solutions AS
1.191
79
Norway
Upstream
AS56655
TerraHost AS
716
24
Philippines
Peer
AS17639
ComClark Network & Technology Corp
1.858
43
Poland
Upstream
AS50607
Stowarzyszenie e-Poludnie
498
5
Poland
Peer
AS56662
Marcin Gondek
1.107
2
Poland
Peer
AS205593
Marek Krolikowski trading as TAKEN.PL IT SERVICES Marek Krolikowski
646
16
Portugal
Upstream
AS47787
EDGOO NETWORKS UNIPESSOAL LDA
2.778
21
Romania
Upstream
AS9050
ORANGE ROMANIA COMMUNICATION S.A
1.490
74
Romania
Upstream
AS47734
Telecom IT Solutions SRL
792
2
Russia
Upstream
AS20485
Joint Stock Company TransTeleCom
1.817
82
Russia
Upstream
AS20764
CJSC RASCOM
1.987
5
Russia
Upstream
AS48858
JSC "ER-Telecom Holding"
1.069
4
Russia
Peer
AS35598
INETCOM CARRIER LLC
2.312
7
Serbia
Upstream
AS15958
CETIN Ltd. Belgrade
1.486
4
Serbia
Peer
AS13004
Serbian Open Exchange DOO
835
5
Singapore
Peer
AS18106
Viewqwest Pte Ltd
2.127
29
Singapore
Peer
AS24482
SG.GS
8.470
17
Singapore
Peer
AS38001
NewMedia Express Pte Ltd
643
83
Slovenia
Peer
AS3212
Telemach UG d.o.o.
1.178
44
South Africa
Upstream
AS5713
Telkom SA Ltd.
1.516
108
Spain
Upstream
AS60171
AFR-IX TELECOM SAU
1.614
22
Sri Lanka
Peer
AS45489
Sri Lanka Telecom Ltd
1.802
3
Sweden
Upstream
AS1299
Arelion Sweden AB
2.476
95
Sweden
Upstream
AS39351
31173 Services AB
2.639
47
Sweden
Peer
AS3399
Obenetwork AB
798
23
Switzerland
Upstream
AS5398
AS5398 SA
750
7
Switzerland
Upstream
AS8298
IPng Networks GmbH
2.162
5
Switzerland
Upstream
AS8758
Iway AG
1.280
46
Switzerland
Upstream
AS13030
Init7 (Switzerland) Ltd.
830
68
Switzerland
Upstream
AS25091
IP-Max SA
2.999
18
Switzerland
Upstream
AS34800
Securebit AG
368
2
Switzerland
Upstream
AS34927
iFog GmbH
2.641
59
Switzerland
Peer
AS559
SWITCH
1.262
122
Switzerland
Peer
AS15547
netplus.ch SA
1.372
38
Switzerland
Peer
AS20932
Services Industriels de Geneve
1.443
5
Switzerland
Peer
AS35360
Frederic Gargula
1.198
2
Switzerland
Peer
AS51873
Arcade Solutions AG
769
6
Switzerland
Peer
AS57777
Jeroen Massar
705
2
Switzerland
Peer
AS58057
Securebit AG
1.566
44
Switzerland
Peer
AS58299
Openfactory GmbH
1.715
10
Switzerland
Peer
AS198385
AlpineDC SA
1.039
9
Turkey
Peer
AS202365
Omer GOLGELI
540
11
Ukraine
Peer
AS48919
UACITY Ltd.
1.518
3
United Arab Emirates
Upstream
AS15802
Emirates Integrated Telecommunications Company PJSC
1.570
35
United Arab Emirates
Peer
AS59605
Zain Omantel International FZ-LLC
1.564
19
United States
Upstream
AS3257
GTT Communications Inc.
2.713
880
United States
Upstream
AS6939
Hurricane Electric LLC
10.632
262
United States
Peer
AS1239
Sprint
5.619
268
United States
Peer
AS1828
Unitas Global LLC
5.373
251
United States
Peer
AS6233
xTom
1.753
58
United States
Peer
AS14630
Invesco Group Services, Inc.
1.499
33
United States
Peer
AS14907
Wikimedia Foundation Inc.
1.672
19
United States
Peer
AS36236
NetActuate, Inc
7.343
206
United States
Peer
AS57406
Zero Distance LLC
1.404
6
Uruguay
Upstream
AS6057
Administracion Nacional de Telecomunicaciones
3.927
19
- - show more (+148 entries) - -
- - show less (-148 entries) - -
Internet eXchange (IX) connections
Country
City
IX name
Port speed
Members
Germany
Duesseldorf
OCIX Duesseldorf
10 Gb
4
Germany
Dusseldorf
DUS
100 Gb
273
Germany
Frankfurt am Main
FRA
100 Gb
1.063
Germany
Hamburg
HAM
100 Gb
215
Germany
Munich
MUC
100 Gb
226
Netherlands
Enschede
NDIX
-
23
Netherlands
Amsterdam
AMS-IX
2 Gb
845
Announced (uniq) prefixes
Country
ASN
Announced prefix
Description
Size
Germany
AS42184
45.82.124.0/22
TKRZ Stadtwerke GmbH
1.024
Germany
AS42184
88.218.84.0/22
nvb Nordhorner Versorgungsbetriebe GmbH
1.024
Germany
AS42184
89.251.128.0/20
MicroPLAN GmbH
4.096
Germany
AS42184
91.190.224.0/21
TKRZ Stadtwerke GmbH
2.048
Germany
AS42184
178.251.8.0/21
TKRZ Stadtwerke GmbH
2.048
Germany
AS42184
185.64.168.0/22
TKRZ Stadtwerke GmbH
1.024
Germany
AS42184
185.72.200.0/22
NVB
1.024
Germany
AS42184
185.124.232.0/22
Cows Online GmbH
1.024
Germany
AS42184
185.143.168.0/22
Stadtwerke Emsdetten GmbH
1.024
Germany
AS42184
185.153.140.0/22
Stadtwerke Schuettorf- Emsbueren GmbH
1.024
Germany
AS42184
188.64.248.0/21
TKRZ Stadtwerke GmbH
2.048
Germany
AS42184
194.15.152.0/22
TKRZ Stadtwerke GmbH
1.024
Germany
AS42184
194.49.22.0/24
Stadtverwaltung Greven
256
Germany
AS42184
195.66.121.0/24
Dometic Germany Holding GmbH
256
Country
ASN
Announced prefix
Description
Size
Germany
AS42184
2a02:f08::/32
TKRZ Stadtwerke GmbH
7,9E+28
Germany
AS42184
2a06:b600::/29
Cows Online GmbH
6,3E+29
Germany
AS42184
2a0f:8880::/29
Stadtwerke Schuettorf- Emsbueren GmbH
6,3E+29
- - show more (+6 entries) - -
- - show less (-6 entries) - -
Log
000
+000
Parse input (ASN)
000
+000
Search database for 'AS42184'
003
+003
1 ASN's found
003
+000
Done
003
+000
Load details of AS42184
024
+021
17 prefixes found
165
+142
159 peers found
174
+009
7 IX members found (7 connections)
181
+007
8 links loaded, 7 verified
187
+006
21 historical items loaded
187
+000
Done