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
AS5610, O2 Czech Republic, a.s.
Last update of data:
02-05-2024 03:21 UTC
ASN:
AS5610 (O2-CZECH-REPUBLIC)
Country:
CZ - Czech Republic (Europe)
Org.:
O2 Czech Republic, a.s.
http://www.o2.cz
Stats:
Peers
66
IX'es
1
Prefixes
41
IPv4
+1M
IPv6
8,7E+29
Contact:
O2 Czech Republic, a.s.
Za Brumlovkou 266/2
140 22
Praha 4 - Michle
CZECH REPUBLIC
CZ
+420 2 71466184
History
Date
Peers
IX'es
Prefixes
IPv4
IPv6
Before 27-11-2023
61
1
40
+1M
8,7E+29
27-11-2023
-2
-
+1
+1.024
-
04-12-2023
-
-
-1
-1.024
-
11-12-2023
+2
-
-
-
-
17-01-2024
-2
-
-
-
-
24-01-2024
+2
-
-
-
-
31-01-2024
-6
-
-
-
-
07-02-2024
+3
-
-
-
-
14-02-2024
+1
-
-
-
-
21-02-2024
-1
-
-
-
-
28-02-2024
+1
-
+1
-
+1,2E+24
06-03-2024
+1
-
-
-
-
14-03-2024
+2
-
-
-
-
21-03-2024
-1
-
-
-
-
28-03-2024
+1
-
-
-
-
18-04-2024
+2
-
-
-
-
25-04-2024
-1
-
-
-
-
02-05-2024
+3
-
-
-
-
Current
66
1
41
+1M
8,7E+29
- - show more (+13 entries) - -
- - show less (-13 entries) - -
Peers
Country
Relationship
ASN
Organization
Peers
Prefix'es
Austria
Upstream
AS1764
Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH
967
80
Austria
Peer
AS40994
Hohl IT e.U.
384
11
Austria
Downstream
AS13105
LUKOIL Technology Services GmbH
16
4
Belgium
Peer
AS205233
KBC GLOBAL SERVICES NV
2
1
Brazil
Peer
AS14840
BR.Digital Provider
5.844
89
Britain (UK)
Upstream
AS4455
IX Reach Ltd
2.344
18
Britain (UK)
Upstream
AS60068
Datacamp Limited
788
374
Britain (UK)
Peer
AS202297
Skylon Solutions Limited
38
7
Britain (UK)
Peer
AS212483
LEVEL EIGHTY-SIX COMMUNICATIONS LTD
3.274
30
Czech Republic
Upstream
AS2852
CESNET z.s.p.o.
222
21
Czech Republic
Upstream
AS15935
ha-vel internet s.r.o.
79
12
Czech Republic
Upstream
AS39392
SH.cz s.r.o.
129
14
Czech Republic
Upstream
AS47200
NIX.CZ z.s.p.o.
13
-
Czech Republic
Upstream
AS47232
ISP Alliance a.s.
115
19
Czech Republic
Upstream
AS199490
INTERCONNECT s.r.o.
31
2
Czech Republic
Peer
AS6881
NIX.CZ z.s.p.o.
205
5
Czech Republic
Peer
AS15380
Air Navigation Services of the Czech Republic, state enterprise
2
2
Czech Republic
Peer
AS21241
Global Payments Europe, s.r.o.
2
1
Czech Republic
Peer
AS25238
MONETA Money Bank, a.s.
2
3
Czech Republic
Peer
AS25321
Brink's Cash Solutions (CZ), a.s.
1
1
Czech Republic
Peer
AS29504
Freenet Liberec, z.s.
287
2
Czech Republic
Peer
AS35096
Alef Nula a.s.
2
2
Czech Republic
Peer
AS38952
MAFRA, a.s.
1
2
Czech Republic
Peer
AS43757
ICZ a.s.
3
3
Czech Republic
Peer
AS43866
Altron a.s.
2
1
Czech Republic
Peer
AS48451
Prazska energetika, a.s.
20
2
Czech Republic
Peer
AS59747
NIX.CZ z.s.p.o.
21
1
Czech Republic
Peer
AS62102
Prazska plynarenska, a.s.
2
2
Czech Republic
Peer
AS197353
NN Management Services, s.r.o.
1
1
Czech Republic
Peer
AS197920
SKODA ICT s.r.o.
2
2
Czech Republic
Peer
AS198101
Kooperativa pojistovna, a.s., Vienna Insurance Group
20
4
Czech Republic
Peer
AS198605
AVAST Software s.r.o.
31
76
Czech Republic
Peer
AS201163
Komercni banka, a.s.
20
3
Czech Republic
Peer
AS204172
TTC TELEKOMUNIKACE s.r.o.
2
1
Czech Republic
Peer
AS206613
Tipsport.net a.s.
2
4
Czech Republic
Peer
AS207696
Dopravni podnik hl.m. Prahy, a.s.
2
2
Czech Republic
Peer
AS208712
CENDIS, s.p.
1
2
Czech Republic
Peer
AS208906
SYNOT ICT Services, a.s.
2
2
Czech Republic
Peer
AS211731
Ministry of labour and social affairs
2
3
Czech Republic
Peer
AS215711
The Ministry of Agriculture of the Czech Republic
2
3
Czech Republic
Downstream
AS16246
Nej.cz s.r.o.
41
19
Czech Republic
Downstream
AS39453
Ustav zdravotnickych informaci a statistiky Ceske republiky
1
1
Czech Republic
Downstream
AS43037
Seznam.cz, a.s.
121
7
Czech Republic
Downstream
AS49580
Monet +, a.s.
2
2
Czech Republic
Downstream
AS199059
Maurice Ward & Co., s.r.o.
1
1
Czech Republic
Downstream
AS203411
FORTUNA GAME a.s.
2
4
Czech Republic
Downstream
AS204907
Air Bank a.s.
2
2
Czech Republic
Downstream
AS206908
FORTUNA GAME a.s.
2
2
Czech Republic
Downstream
AS208950
Ezpada s.r.o
4
3
France
Upstream
AS8218
Zayo Infrastructure France SA
1.864
25
Germany
Upstream
AS33891
Core-Backbone GmbH
1.902
-
Germany
Peer
AS5405
Inter.link GmbH
1.966
5
Italy
Peer
AS51185
MainStreaming SpA
4.218
30
Netherlands
Peer
AS41047
Bart Vrancken trading as MLaB
3.005
5
Netherlands
Peer
AS49544
i3D.net B.V
6.510
134
Poland
Upstream
AS50607
Stowarzyszenie e-Poludnie
498
5
Serbia
Upstream
AS31042
Serbia BroadBand-Srpske Kablovske mreze d.o.o.
958
32
Singapore
Peer
AS24482
SG.GS
8.488
17
Slovakia
Peer
AS28952
O2 Business Services, a.s
29
11
Sweden
Upstream
AS1299
Arelion Sweden AB
2.474
95
United States
Upstream
AS174
Cogent Communications
6.785
1.463
United States
Upstream
AS1239
Sprint
5.723
268
United States
Upstream
AS6461
Zayo Bandwidth
2.660
225
United States
Upstream
AS6939
Hurricane Electric LLC
10.632
262
United States
Peer
AS36236
NetActuate, Inc
7.343
206
Downstream
AS21942
2
1
- - show more (+55 entries) - -
- - show less (-55 entries) - -
Internet eXchange (IX) connections
Country
City
IX name
Port speed
Members
Czech Republic
Praha 3
NIX.CZ
2 Tb
203
Announced (uniq) prefixes
Country
ASN
Announced prefix
Description
Size
Italy
AS5610
5.23.39.0/24
Grafton
256
Czech Republic
AS5610
37.188.128.0/17
Mobile services
32.768
Czech Republic
AS5610
80.188.0.0/16
CZ.CZNET
65.536
Czech Republic
AS5610
81.90.160.0/20
O2 InternetHome TermsNet
4.096
Czech Republic
AS5610
83.69.32.0/19
InternetHome Losan prefix
8.192
Czech Republic
AS5610
83.208.0.0/16
CZ.CZNET
65.536
Czech Republic
AS5610
85.70.0.0/15
CZ.CZNET
131.072
Czech Republic
AS5610
85.160.0.0/15
CZ.CZNET
131.072
Czech Republic
AS5610
85.193.0.0/18
Internethome Losan prefix
16.384
Czech Republic
AS5610
88.83.160.0/19
O2 InternetHome TermsNet
8.192
Czech Republic
AS5610
88.100.0.0/14
CZ.CZNET
262.144
Czech Republic
AS5610
90.176.32.0/19
CZ.CZNET
8.192
Czech Republic
AS5610
90.176.64.0/18
CZ.CZNET
16.384
Czech Republic
AS5610
90.176.128.0/17
CZ.CZNET
32.768
Czech Republic
AS5610
90.177.0.0/16
CZ.CZNET
65.536
Czech Republic
AS5610
90.178.0.0/15
CZ.CZNET
131.072
Czech Republic
AS5610
90.180.0.0/14
CZ.CZNET
262.144
Slovakia
AS5610
91.191.64.0/18
CZ.CZNET
16.384
Czech Republic
AS5610
91.193.132.0/22
PSENET-CZ
1.024
Czech Republic
AS5610
91.213.10.0/24
CGI IT Czech Republic s.r.o.
256
Czech Republic
AS5610
91.232.82.0/24
ABIS-CZ
256
Czech Republic
AS5610
92.243.192.0/19
InternetHome Losan prefix
8.192
Czech Republic
AS5610
109.80.0.0/15
CZ.CZNET
131.072
Czech Republic
AS5610
160.218.0.0/16
O2 Czech Republic, a.s.
65.536
United States
AS5610
161.195.144.0/24
O2 Czech Republic, a.s.
256
Czech Republic
AS5610
185.61.228.0/22
CZ.CZNET
1.024
Czech Republic
AS5610
185.134.61.0/24
O2 Czech Republic, a.s.
256
Czech Republic
AS5610
185.143.112.0/22
K-net Technical International Group, s.r.o.
1.024
France
AS5610
193.17.13.0/24
HP-CZ
256
Czech Republic
AS5610
193.84.12.0/22
Frenstat p.R.
1.024
Czech Republic
AS5610
194.50.248.0/23
INPA
512
Czech Republic
AS5610
194.165.47.0/24
UxNet
256
Czech Republic
AS5610
194.228.0.0/16
CZ.CZNET
65.536
Czech Republic
AS5610
195.5.186.0/24
AGROFERT CZ
256
Czech Republic
AS5610
195.246.96.0/23
PPF banka a.s.
512
Czech Republic
AS5610
217.117.208.0/20
InternetHome Losan prefix
4.096
Czech Republic
AS5610
217.194.160.0/20
O2 InternetHome TermsNet
4.096
Country
ASN
Announced prefix
Description
Size
Czech Republic
AS5610
2001:67c:dd4::/48
ITIXO s.r.o.
1,2E+24
Czech Republic
AS5610
2001:41d8::/32
Route v6 object of Eurotel Praha
7,9E+28
Czech Republic
AS5610
2a00:1028::/29
O2 CZ
6,3E+29
Czech Republic
AS5610
2a02:9b8::/31
InternetHome IPv6 prefix
1,6E+29
- - show more (+30 entries) - -
- - show less (-30 entries) - -
Log
000
+000
Parse input (ASN)
000
+000
Search database for 'AS5610'
002
+002
1 ASN's found
002
+000
Done
002
+000
Load details of AS5610
038
+036
41 prefixes found
080
+042
66 peers found
083
+003
1 IX members found (2 connections)
084
+001
1 links loaded, 1 verified
089
+005
18 historical items loaded
089
+000
Done