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
AS25084, Politechnika Czestochowska
Last update of data:
09-04-2024 00:58 UTC
ASN:
AS25084 (CZESTMAN-COM-AS)
Country:
PL - Poland (Europe)
Org.:
Politechnika Czestochowska
Stats:
Peers
21
IX'es
3
Prefixes
3
IPv4
1.536
IPv6
7,9E+28
Contact:
Politechnika Czestochowska
ul. Dabrowskiego 71
42-200
Czestochowa
POLAND
PL
+48 34 3250317
History
Date
Peers
IX'es
Prefixes
IPv4
IPv6
Before 18-12-2023
23
2
3
1.536
7,9E+28
18-12-2023
+2
-
-
-
-
23-12-2023
-
+1
-
-
-
15-01-2024
-3
-
-
-
-
13-02-2024
+1
-
-
-
-
12-03-2024
-3
-
-
-
-
09-04-2024
+1
-
-
-
-
Current
21
3
3
1.536
7,9E+28
Peers
Country
Relationship
ASN
Organization
Peers
Prefix'es
Azerbaijan
Peer
AS29049
Delta Telecom Ltd
2.925
182
Brazil
Peer
AS14840
BR.Digital Provider
5.844
89
Britain (UK)
Peer
AS212483
LEVEL EIGHTY-SIX COMMUNICATIONS LTD
3.274
30
Italy
Peer
AS51185
MainStreaming SpA
4.218
30
Lithuania
Upstream
AS28917
Fiord Networks, UAB
1.941
23
Netherlands
Peer
AS49544
i3D.net B.V
6.510
134
Poland
Upstream
AS13293
AS8256-MNT
25
5
Poland
Upstream
AS196844
AS8256-MNT
212
3
Poland
Upstream
AS50607
Stowarzyszenie e-Poludnie
498
5
Poland
Peer
AS205148
Lukasz Piotrowski
145
-
Poland
Peer
AS49420
Aplitt Sp. z o.o.
843
3
Poland
Downstream
AS15373
Politechnika Czestochowska
3
7
Poland
Downstream
AS200272
x-kom sp. z o.o.
4
3
Poland
Downstream
AS202667
Klasztor OO Paulinow Jasna Gora
1
2
Poland
Downstream
AS204275
Polskie Sieci Swiatlowodowe Sp. z o.o
1
1
Poland
Downstream
AS206241
STOWARZYSZENIE DO SPRAW ROZWOJU SPOLECZENSTWA INFORMACYJNEGO SUBREGIONU POLNOCNEGO WOJEWODZTWA SLASKIEGO
2
1
Poland
Downstream
AS209860
My Net Michal Bronczkowski
2
2
Poland
Downstream
AS41056
APUS Piotr Sejfried
1
1
Poland
Downstream
AS44454
Czestochowska Spoldzielnia Mieszkaniowa "Nasza Praca"
17
4
United States
Upstream
AS20473
The Constant Company, LLC
1.241
1.198
United States
Upstream
AS6939
Hurricane Electric LLC
10.632
262
Internet eXchange (IX) connections
Country
City
IX name
Port speed
Members
Poland
Białystok, Poznań, Wrocław, Szczecin, Opole
PIONIER-IX
10 Gb
5
Poland
Warsaw
EPIX
10 Gb
547
Poland
Warsaw
Thinx
-
176
Announced (uniq) prefixes
Country
ASN
Announced prefix
Description
Size
Poland
AS25084
212.87.240.0/23
Technical University of Czestochowa
512
Poland
AS25084
212.87.244.0/22
Technical University of Czestochowa
1.024
Country
ASN
Announced prefix
Description
Size
Poland
AS25084
2a01:699::/32
The non-educational network of Technical University of Czestochowa
7,9E+28
Log
000
+000
Parse input (ASN)
000
+000
Search database for 'AS25084'
002
+002
1 ASN's found
002
+000
Done
002
+000
Load details of AS25084
017
+015
3 prefixes found
035
+018
21 peers found
040
+005
3 IX members found (3 connections)
043
+003
7 historical items loaded
043
+000
Done