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ASN database lookup
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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
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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.
Top ASN's from Taiwan
Top 3 of Taiwan
AS3462
Chunghwa Telecom Co., Ltd.
103 peers, +12M IPv4 adresses and 1,6E+32 IPv6 adresses.
AS9924
Taiwan Fixed Network, Telco and Network Service Provider.
102 peers, +2M IPv4 adresses and 2,7E+30 IPv6 adresses.
AS4780
Digital United Inc.
89 peers, +1M IPv4 adresses and 5,1E+30 IPv6 adresses.
Top 20 by count of peers
Country
ASN
Organization
Peers
IX'es
IPv4
IPv6
Taiwan
AS134823
Sky Digital Co., Ltd.
502
3
8.192
3,2E+29
Taiwan
AS203472
PENG YUJEN
195
8
-
1,0E+26
Taiwan
AS17408
AboveNet Communications Taiwan Co., Ltd
125
5
+70K
9,9E+27
Taiwan
AS9505
Chunghwa Telecom Co., Ltd.
122
9
+24K
1,6E+29
Taiwan
AS3462
Chunghwa Telecom Co., Ltd.
103
6
+12M
1,6E+32
Taiwan
AS9924
Taiwan Fixed Network, Telco and Network Service Provider.
102
4
+2M
2,7E+30
Taiwan
AS4780
Digital United Inc.
89
3
+1M
5,1E+30
Taiwan
AS205329
Kai-Jung Chen
81
17
512
1,1E+25
Taiwan
AS207705
Jyun-Kai Hu
77
5
-
4,0E+25
Taiwan
AS18041
Taiwan Digital Streaming Co.
66
2
2.304
7,1E+29
Taiwan
AS9680
HiNet Service Center in U.S.A
50
3
4.096
-
Taiwan
AS17709
Asia Pacific Telecom
47
-
+895K
5,1E+30
Taiwan
AS10133
Chief Telecom Inc.
41
1
-
-
Taiwan
AS9264
Academia Sinica
37
3
+70K
1,6E+29
Taiwan
AS7539
National Center for High-performance Computing
35
1
+85K
7,9E+28
Taiwan
AS18046
DongFong Technology Co. Ltd.
35
1
+45K
7,9E+28
Taiwan
AS57401
TSAI, PANG-WEI
33
5
256
7,3E+24
Taiwan
AS7483
Skycloud Computing co., Ltd.
30
-
6.656
-
Taiwan
AS131149
Yuan-Jhen Info., Co., Ltd
27
1
6.656
7,9E+28
Taiwan
AS211042
Frank Chang
27
2
-
2,1E+25
Top 10 by count of IPv4
Country
ASN
Organization
Peers
IX'es
IPv4
IPv6
Taiwan
AS3462
Chunghwa Telecom Co., Ltd.
103
6
+12M
1,6E+32
Taiwan
AS1659
Taiwan Academic Network (TANet) Information Center
6
1
+6M
7,9E+28
Taiwan
AS9924
Taiwan Fixed Network, Telco and Network Service Provider.
102
4
+2M
2,7E+30
Taiwan
AS9674
Far EastTone Telecommunication Co., Ltd.
3
-
+1M
7,9E+28
Taiwan
AS17421
Mobile Business Group
2
-
+1M
5,0E+27
Taiwan
AS4780
Digital United Inc.
89
3
+1M
5,1E+30
Taiwan
AS9416
Hoshin Multimedia Center Inc.
26
-
+1M
7,9E+28
Taiwan
AS17709
Asia Pacific Telecom
47
-
+895K
5,1E+30
Taiwan
AS7482
Asia Pacific On-line Service Inc.
5
-
+789K
5,0E+27
Taiwan
AS9919
New Century InfoComm Tech Co., Ltd.
3
1
+695K
5,1E+30
Top 10 by count of IPv6
Country
ASN
Organization
Peers
IX'es
IPv4
IPv6
Taiwan
AS3462
Chunghwa Telecom Co., Ltd.
103
6
+12M
1,6E+32
Taiwan
AS4780
Digital United Inc.
89
3
+1M
5,1E+30
Taiwan
AS17709
Asia Pacific Telecom
47
-
+895K
5,1E+30
Taiwan
AS9919
New Century InfoComm Tech Co., Ltd.
3
1
+695K
5,1E+30
Taiwan
AS9924
Taiwan Fixed Network, Telco and Network Service Provider.
102
4
+2M
2,7E+30
Taiwan
AS131642
Pittqiao Network Information Co.,Ltd.
17
1
+10K
1,7E+30
Taiwan
AS18182
Sony Network Taiwan Limited
7
2
+320K
1,3E+30
Taiwan
AS18041
Taiwan Digital Streaming Co.
66
2
2.304
7,1E+29
Taiwan
AS134823
Sky Digital Co., Ltd.
502
3
8.192
3,2E+29
Taiwan
AS131677
OpenFor Telecommunications Co., Ltd.
1
-
1.536
2,4E+29