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CIDR calculator
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ASN database lookup
beta
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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 Britain (UK)
Top 3 of Britain (UK)
AS8220
COLT Technology Services Group Limited
1.859 peers, +1M IPv4 adresses and 4,8E+29 IPv6 adresses.
AS2856
British Telecommunications PLC
271 peers, +12M IPv4 adresses and 1,0E+31 IPv6 adresses.
AS5089
Virgin Media Limited
84 peers, +9M IPv4 adresses and 1,0E+31 IPv6 adresses.
Top 20 by count of peers
Country
ASN
Organization
Peers
IX'es
IPv4
IPv6
Britain (UK)
AS9002
RETN Limited
3.280
25
+30K
7,9E+28
Britain (UK)
AS212483
LEVEL EIGHTY-SIX COMMUNICATIONS LTD
3.272
19
-
5,7E+25
Britain (UK)
AS4455
IX Reach Ltd
2.354
23
+56K
2,4E+29
Britain (UK)
AS25160
Vorboss Limited
1.986
8
+181K
1,3E+30
Britain (UK)
AS8220
COLT Technology Services Group Limited
1.859
30
+1M
4,8E+29
Britain (UK)
AS41095
IPTP LTD
1.341
17
+42K
1,8E+29
Britain (UK)
AS50300
CustodianDC Limited
1.102
3
+11K
4,5E+26
Britain (UK)
AS60068
Datacamp Limited
788
29
+98K
1,8E+28
Britain (UK)
AS50763
MCKAYCOM LTD
702
3
4.864
7,1E+29
Britain (UK)
AS28792
Public Internet Ltd
692
3
6.400
7,9E+28
Britain (UK)
AS15412
FLAG TELECOM UK LIMITED
691
23
+37K
7,9E+28
Britain (UK)
AS31742
Sota Solutions Ltd.
690
3
9.984
7,1E+29
Britain (UK)
AS48070
DSM (GB) Limited
678
2
2.048
1,6E+29
Britain (UK)
AS35266
EX Networks Limited
670
3
6.912
7,1E+29
Britain (UK)
AS6894
KDDI Europe Ltd
626
3
+10K
7,9E+28
Britain (UK)
AS60326
MrSheepNET LTD
620
13
768
8,0E+28
Britain (UK)
AS207841
Inferno Communications Ltd
618
3
768
7,9E+28
Britain (UK)
AS3170
VeloxServ Communications Ltd
599
2
+14K
1,5E+30
Britain (UK)
AS30844
Liquid Telecommunications Ltd
557
20
+402K
7,1E+29
Britain (UK)
AS8426
Claranet Limited
515
17
+978K
4,0E+30
Top 10 by count of IPv4
Country
ASN
Organization
Peers
IX'es
IPv4
IPv6
Britain (UK)
AS2856
British Telecommunications PLC
271
2
+12M
1,0E+31
Britain (UK)
AS5089
Virgin Media Limited
84
4
+9M
1,0E+31
Britain (UK)
AS5607
Sky UK Limited
85
3
+8M
1,2E+30
Britain (UK)
AS786
Jisc Services Limited
99
3
+7M
2,1E+30
Britain (UK)
AS12576
EE Limited
92
1
+5M
1,3E+30
Britain (UK)
AS13285
TalkTalk Communications Limited
186
10
+3M
4,0E+30
Britain (UK)
AS5378
Vodafone Limited
34
6
+2M
6,3E+29
Britain (UK)
AS6871
British Telecommunications PLC
1
-
+2M
7,9E+28
Britain (UK)
AS8220
COLT Technology Services Group Limited
1.859
30
+1M
4,8E+29
Britain (UK)
AS9105
TalkTalk Communications Limited
1
-
+1M
-
Top 10 by count of IPv6
Country
ASN
Organization
Peers
IX'es
IPv4
IPv6
Britain (UK)
AS5400
British Telecommunications PLC
146
20
+695K
7,2E+31
Britain (UK)
AS216157
SIXNET OPERATION LTD
5
-
256
1,8E+31
Britain (UK)
AS198231
SIXNET OPERATION LTD
6
-
512
1,6E+31
Britain (UK)
AS5089
Virgin Media Limited
84
4
+9M
1,0E+31
Britain (UK)
AS2856
British Telecommunications PLC
271
2
+12M
1,0E+31
Britain (UK)
AS215158
Peerlink LTD
1
-
-
6,3E+30
Britain (UK)
AS62240
Clouvider Limited
241
12
+386K
5,4E+30
Britain (UK)
AS206150
IPXO LIMITED
1
-
+13K
5,1E+30
Britain (UK)
AS44477
STARK INDUSTRIES SOLUTIONS LTD
41
-
+413K
4,6E+30
Britain (UK)
AS41230
ASK4 Limited
122
6
+88K
4,4E+30