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
AS18097, D.C.N. Corporation
Last update of data:
11-04-2024 06:53 UTC
ASN:
AS18097 (DCN)
Country:
JP - Japan (Asia)
Org.:
D.C.N. Corporation
Stats:
Peers
2
IX'es
-
Prefixes
22
IPv4
+85K
IPv6
7,9E+28
Contact:
D.C.N. Corporation
JP
Peers
Country
Relationship
ASN
Organization
Peers
Prefix'es
Japan
Upstream
AS7529
NetIRD Inc.
43
9
United States
Upstream
AS2914
NTT America, Inc.
1.539
343
Announced (uniq) prefixes
Country
ASN
Announced prefix
Description
Size
Japan
AS18097
27.109.120.0/22
COSMO MEDIA, INC.
1.024
Japan
AS18097
45.113.172.0/22
D.C.N. Corporation
1.024
Japan
AS18097
103.36.140.0/22
2-23-1,YOYOGI
1.024
Japan
AS18097
103.53.96.0/22
freeasy inc.
1.024
Japan
AS18097
103.83.24.0/22
EIC INC
1.024
Japan
AS18097
119.15.144.0/21
e-Broad Communications Inc
2.048
Japan
AS18097
121.100.56.0/22
4-9-2 Roppongi
1.024
Japan
AS18097
121.100.60.0/22
4-9-2 Roppongi
1.024
Japan
AS18097
123.108.84.0/22
EIC INC
1.024
Japan
AS18097
133.140.0.0/16
Japan Network Information Center
65.536
Japan
AS18097
153.124.232.0/24
trunk inc.
256
Japan
AS18097
153.124.233.0/24
trunk inc.
256
Japan
AS18097
153.124.234.0/24
trunk inc.
256
Japan
AS18097
153.124.235.0/24
trunk inc.
256
Bulgaria
AS18097
176.125.254.0/24
Neterra Ltd.
256
Japan
AS18097
210.189.176.0/22
Japan Network Information Center
1.024
Japan
AS18097
210.189.180.0/22
Japan Network Information Center
1.024
Japan
AS18097
210.189.184.0/22
Japan Network Information Center
1.024
Japan
AS18097
210.189.188.0/22
Japan Network Information Center
1.024
United States
AS18097
216.179.198.0/23
D.C.N. Corporation
512
Japan
AS18097
219.105.32.0/20
Japan Network Information Center
4.096
Country
ASN
Announced prefix
Description
Size
Japan
AS18097
2402:c400::/32
Japan Network Information Center
7,9E+28
- - show more (+11 entries) - -
- - show less (-11 entries) - -
Log
000
+000
Parse input (ASN)
000
+000
Search database for 'AS18097'
002
+002
1 ASN's found
002
+000
Done
002
+000
Load details of AS18097
047
+046
22 prefixes found
051
+004
2 peers found
052
+001
No matching IX connections found!
057
+005
1 historical items loaded
057
+000
Done